Reykjavik weather in August
“Green, wet, atmospheric. Bring proper waterproofs.”
Roughly 14 rainy days across the month, on average.
August is Reykjavik's warmest month, with average highs of 13°C (55°F) and lows of 8.3°C (47°F). You'll experience roughly 105mm of rainfall spread across 14 rainy days, so precipitation is frequent but usually brief. The silver lining is nearly 9 hours of daily sunshine, giving you extended daylight for exploring this vibrant capital.
August marks peak tourist season in Iceland as families and travelers chase the midnight sun phenomenon, though Reykjavik itself sees fewer crowds than nature destinations. The city buzzes with cultural events, outdoor markets, and street festivals. It's warm enough for comfortable walking tours, yet cool enough that you won't overheat during activity-packed days.
For 2026 travel, book accommodations early if visiting August—prices peak during this month. Pack layers since weather shifts quickly between sun and rain. August offers the best balance of warmth and daylight hours for first-time visitors exploring both the city and surrounding regions like the Golden Circle and South Coast.
What to pack for Reykjavik in August
August weather in Reykjavik demands layering despite mild temperatures. Rain arrives frequently, so waterproof gear is essential. Bring breathable base layers you can add or remove as conditions change throughout the day.
- Waterproof rain jacket (packable)
- Merino wool thermal base layers
- Fleece sweater or midlayer
- Waterproof hiking trousers
- Waterproof walking boots
What to pack for Reykjavik in August
- →Lightweight fleeceAmazon · shop this
- →Merino travel socksAmazon · shop this
- →Packable rain jacketAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Waterproof dry bagAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
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Where to stay in Reykjavik
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Reykjavik across trusted platforms.
Compare hotels on Booking.com→Things worth doing
Golden Circle day trip, Blue Lagoon geothermal spa, Perlan museum and observation deck, whale watching tours from Old Harbour, coastal walks at Reykjanes Peninsula.
Other places with a similar climate right now
Reykjavik in August — FAQ
Q01Is August a good time to visit Reykjavik?
Is August a good time to visit Reykjavik?
It is a fair time to visit — expect variable conditions and plan flexibility. In August, Reykjavik averages a high of 13°C (55°F) and a low of 8°C (47°F), with 105mm of rainfall across roughly 14 rainy days.
Q02What is the average temperature in Reykjavik in August?
What is the average temperature in Reykjavik in August?
The average high temperature in Reykjavik during August is 13°C (55°F), with an average low of 8°C (47°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Reykjavik have in August?
How many rainy days does Reykjavik have in August?
Reykjavik averages approximately 14 rainy days in August, with a total monthly rainfall of about 105mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Reykjavik in August?
What should I pack for Reykjavik in August?
For Reykjavik in August, pack a merino base layer for evenings, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Reykjavik in August?
How crowded is Reykjavik in August?
Tourist crowds in Reykjavik during August are typically moderate. Consider this when planning accommodation — prices track crowd levels closely.