August Weather in Iceland: Average Temperatures, Daylight, and Rainfall

While Iceland lies just south of the Arctic Circle, the island nation transforms into an enchanting paradise during the summer months. August in Iceland promises mild temperatures, extended daylight hours, and a chance to experience the country’s unique weather phenomena. It’s important to keep in mind that the weather in Iceland is unpredictable and can change rapidly, so being prepared for all seasons is essential for a safe and enjoyable trip. Make the most of your Iceland trip with this detailed guide to Iceland’s weather in August.

Iceland Weather in August

Average Temperatures and Humidity Levels

August is a summer month in Iceland and one of the warmest months of the year. (July is typically slightly warmer.) The average temperature in August ranges between 50 degrees and 55 degrees Fahrenheit, both on the coast and in the highlands. Daytime temperatures often reach around 50 to 59 degrees but can occasionally leap up to 68 degrees. At night, the temperature drops to a comfortable 46 to 50. Visitors will notice a marked lack of air conditioning throughout the island nation.

The highest temperature ever recorded during August was 82 degrees Fahrenheit in Akureyri, which is known as the “Capital of North Iceland” and the country’s fifth largest municipality. The highest temperature recorded in Iceland, period, stands at 86.9 degrees. What would be a non-event in most of  the world, the arctic nation set this record in Teigarhorn on June 22, 1939. The highest temperature ever recorded in Iceland’s capital of Reykjavik was 76.6 degrees on August 11, 2004.

The record low for August is a much cooler 28 degrees Fahrenheit. And the lowest recorded temperature regardless of month was a respectable negative 39.5 degrees.

These extreme temperature records are rare occurrences and not something travelers should be overly concerned about. However, it’s a good idea to check the weather forecast regularly during your trip. Despite the cooler temperatures compared to tropical destinations, the weather is mild and suitable for outdoor activities. While specific humidity levels for August in Iceland are not readily available, Iceland has a relatively low humidity level because of its cool climate.

Daylight and Rainfall in August

August in Iceland is notable for its long daylight hours, even though the “midnight sun” phenomenon has ended. This provides ample daylight for tourists to immerse themselves in the country’s stunning landscapes. The sun generally rises between 4:30 a.m. and 6:00 a.m., giving an early start to the day. As for sunset, it typically occurs between 9:00 p.m. and 11:00 p.m., allowing for extended evening exploration.

This abundance of daylight is a significant benefit for outdoor enthusiasts and sightseers alike, providing a maximum amount of time to undertake activities like hiking, birdwatching, or simply exploring the towns and countryside.

Despite the plentiful sunlight, August in Iceland also sees its fair share of precipitation. The average rainfall during this month is approximately 2.4 inches. While this might not seem substantial, the showers can be sporadic and are often light, contributing to the overall freshness of the country’s air and the vibrant, lush landscapes.

It’s important to note that the weather can fluctuate dramatically in Iceland, even within the same day. Clear blue skies may suddenly give way to light rain showers, and vice versa. Therefore, visitors should come prepared for a variety of weather conditions. Packing waterproof clothing and umbrellas would be beneficial to remain comfortable and dry, and not let any unexpected weather changes interfere with the enjoyment of the breathtaking Icelandic vistas.

Understanding Iceland’s Unique Climate

The geography and location of Iceland lead to a variety of weather phenomena. Understanding these aspects allows for a deeper appreciation of Iceland’s unique weather and climate.

Geography and Rainfall Patterns

Iceland’s diverse topography, with towering mountains, sprawling coastlines, and vast lava fields, significantly influences its weather patterns. It’s generally warmer and wetter in the southern part of the country because of the Gulf Stream, while it is cooler and drier in the northern part. The interior highlands are the coldest and driest part of the country. Several factors, including elevation, wind direction, and proximity to the ocean, play a role. The North Atlantic Current, a powerful ocean current, brings mild air to Iceland, resulting in warmer temperatures than other regions at the same latitude. This current, along with the Gulf Stream, plays a significant role in shaping Iceland’s climate.

The country’s coastal areas tend to experience milder winters than the interior, largely due to the moderating effect of the North Atlantic Current. However, the coastal areas are also more prone to windstorms, particularly in the fall and winter months. The highlands of Iceland, being in the interior, are the coldest part of the country with temperatures often dropping below freezing, even in summer.

Rainfall in Iceland varies greatly across different regions. The south coast is considerably wetter with annual rainfall reaching up to 118 inches in some areas. The north coast, on the other hand, receives less precipitation with an average annual rainfall of about 16 inches. The western fjords are also relatively dry with annual rainfall of approximately 39 inches. The interior highlands are the driest region with less than 8 inches of annual rainfall.

The influence of the ocean on Iceland’s climate cannot be overstated. The warm Gulf Stream current ensures that Iceland’s coastal waters remain ice-free throughout the year, despite its high latitude. This has a significant effect on the country’s climate, making it milder than would be expected for its location just south of the Arctic Circle.

The weather in Iceland is also greatly affected by the polar front, which is where cold, polar air meets warmer air from the south. This front moves back and forth across Iceland, resulting in frequent changes in the weather. This is why the weather in Iceland can be very unpredictable, as if it was the object of a meteorological tug-of-war, with sunny weather quickly changing to rain or snow.

Historical Weather Events in Iceland

Despite its location and unique geographical features, extreme weather events in Iceland are quite rare. However, there have been a few noteworthy instances that have had significant impacts on the country and its inhabitants.

One of the most memorable weather events was the impact of Hurricane Cristobal in August 2014. This tropical cyclone formed in the Caribbean and affected several areas from Puerto Rico to Hispaniola, causing heavy rainfall, flooding, and landslides, leading to deaths and displacement of residents. Interestingly, Cristobal made its way across the Atlantic and transitioned into an extratropical cyclone, all the while maintaining its strength. As a result, it caused heavy rain and flooding in Iceland, particularly in Reykjavík. While Iceland was not subject to an actual hurricane, it did receive some of the most damaging effects from Cristobal. Further, it’s worth highlighting that such events are rare. Yet they stress the need for visitors to be mindful of the weather, especially during the hurricane season.

More recently, a unique weather phenomenon known as a “weather bomb” occurred in December 2019. A weather bomb is a rapidly intensifying storm caused by a significant drop in atmospheric pressure within a 24-hour period. This storm resulted in hurricane-force winds, which caused widespread power outages and led to Iceland’s first-ever red alert. Coupled with heavy snowfall, this weather event prompted road closures and significant efforts by emergency services to restore power and ensure public safety.

In an even rarer occurrence, the “Great Iceland Hurricane” of 2022 took the record as the northernmost tropical cyclone on record, surpassing Hurricane Faith. Occurring during the hyperactive 2022 Atlantic Hurricane Season, this powerful Category 4 storm was not only the deadliest but also one of the costliest hurricanes in Europe’s history, causing severe damage and claiming thousands of lives. Again, Iceland technically only experienced the remnants of the storm, which were still quite destructive.

The weather in Iceland can indeed be hazardous due to strong storms, high winds, and the possibility of deadly ocean waves. Though such extreme weather events in Iceland are quite rare, they serve as a halting reminder of the need for visitors to stay informed and take necessary precautions. At the same time, such historical extremes shouldn’t deter travelers from experiencing the unique beauty and charm that Iceland has to offer.

Essential Information for Visiting Iceland in August

Recommended Packing List

Given Iceland’s unpredictable weather, it’s wise to opt for layered clothing. Garments made from moisture-wicking or fast-drying materials are ideally suited for the Icelandic climate. Essentials like waterproof hiking boots, a waterproof jacket, and a hat are a must. In addition, travelers should consider packing the following items:

• Layered Clothing: Consider thermal tops and bottoms appropriate for the cool temperatures.
• Footwear for City and Country: Pack lighter shoes for comfortable city walking, and water-resistant boots for countryside excursions.
• Sun Protection: Don’t forget a hat and sunglasses to shield yourself from the sun.
• Backpack: Ideal for carrying essentials during day trips and hikes.
• Warm Apparel: Bring jackets and sweaters for higher altitudes, particularly if you plan to visit the glaciers or embark on a whale watching tour.
• Swimsuit: An absolute must for experiencing the geothermal pools!

Items You Can Purchase or Rent Locally

Don’t worry if you’ve forgotten to pack something, since there are plenty of stores in Iceland where you can buy necessary items. Also, most adventure activities provide rental equipment.

• Sunscreen: Shield your skin from harmful UV rays.
• Water Bottle: It’s important to keep hydrated, even in the cooler climate.
• Sunglasses: These not only protect your eyes from the sun but also from the intense reflections off water surfaces.

Activities and Events in August

Outdoor Adventures

Fun Water Activities

August in Iceland is an ideal time for various water activities. Travelers can experience exhilarating river rafting on the Hvítá River, or take a jet boat ride through the Hvítá River canyon for an added thrill. For those heading north, rafting options on the West and East Glacial River Canyons are also available.

Tranquil Sea Kayaking Experiences

For more serene water experiences, sea kayaking in the Geldinganes Fjord near Reykjavik provides an opportunity to enjoy Iceland’s picturesque coastline. Be sure to stay vigilant during your journey, as there’s a chance you might spot curious seals along the way.

Hiking and Berry Picking Heaven

August is an excellent time for hiking in various locations such as Landmannalaugar or Thórsmörk. The island nation is also home to wonderful national parks. The month also coincides with the berry season in Iceland. Hence, hikers will want to be on the lookout for ripe berry bushes to partake of on various hiking trails.

Unforgettable Camping Experiences

With pleasant weather conditions, August is considered the best month for camping in Iceland. Campers can enjoy the stunning views of waterfalls, glaciers, mountain peaks, or hot springs. Lucky late August campers may even get to witness the mesmeric Northern Lights.

Quintessential Road Trips

Road trippers can take advantage of the clear roads in August to explore Iceland’s famous Ring Road or the newer Arctic Coast Way. Both offer breathtaking views of well-known waterfalls, mountains, glaciers, and black sand beaches.

Horse Riding Tours

Lastly, horse riding tours on the unique Icelandic horse breed offer a distinct experience, allowing visitors to traverse the stunning Icelandic landscapes in a unique way.

Celebrations and Festivals

Traditional Icelandic Festivals

Numerous festivals and events are held in August. The Þjóðhátíð National Festival, held in Herjólfsdalur, Westman Islands, is one of them, featuring fireworks, bonfires, and singing. Additionally, Commerce Day, celebrated on August 7th, is a public holiday for merchants and other service industry workers.

Reykjavík Pride and Reykjavík Jazz Festival

The LGBTQ+ community is celebrated during Reykjavík Pride from August, followed by the Reykjavík Jazz Festival in late August, which showcases local and international jazz talent.

Reykjavik Culture Night and Reykjavik Marathon

The Reykjavik Culture Night on August 19th offers free admission to museums and other cultural events. It coincides with the Reykjavik Marathon, which provides a choice of race lengths. The month concludes with the Reykjavik International Film Festival.

Local Festivals: A Glimpse into the Icelandic Culture

Smaller but fascinating local festivals such as the Icelandic Horse Festival in Hella, the Westman Islands Festival in Vestmannaeyjar, and the Great Fish Day in Dalvík also take place in August. These offer insights into local culture, unique traditions, and Icelandic industries.

Iconic Sightseeing and Wildlife Encounters

Visiting the Golden Circle, South Coast, and Jökulsárlón

Popular sightseeing activities include visiting iconic sites like the Golden Circle, the South Coast, and Jökulsárlón glacier lagoon.

Bird and Whale Watching Opportunities

While at Jökulsárlón, travelers can enjoy some birding or whale watching. Puffins, those adorable arctic birds, are commonly spotted in the Westfjords and South Iceland.

Planning Your Visit

Before planning your visit, it’s advisable to check with local tourist information offices or the official tourism site for Iceland for the most current and detailed information regarding these activities and events.

Conclusion

From cascading waterfalls to vibrant cultural festivals, Iceland in August is a rare artic gem of an island nation. Yet, part of its charm lies in its unpredictable weather, where the whims of Mother Nature can shift in an instant, often running through all four seasons in a single day. Being well-prepared will allow travelers to make the most of Iceland’s wind-swept plains, sunlit mountains, and pristine fjords. The magic of Iceland lies in its raw, unspoiled beauty. But, like all untamed environments, it calls for your respect and caution.

The photo featured at the top of this post is © JavenLin/ via Getty Images