August · Iceland
Best time to visit Reykjavik in August Weather, crowds & prices
Weather in Reykjavik in August
Average temperature 10°C, 127 mm of rain, about 9 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
6.2/10
Ranked #4 of 12 months
- Avg temp
- 10°C
- Rainfall
- 127 mm
- Humidity
- 85%
- Days with 6h+ sun
- 9
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Reykjavik scores 6.2/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 10°C, 127 mm of rain, and roughly 9 days with 6+ hours of sunshine this month.
Northern lights nearby and geothermal days peak in the bright June-August window.
August in Reykjavik — workable with trade-offs
August averages 10°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 127 mm this is a genuinely wet month: about 9 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6.2/10 here, 4th of 12 months, against 7.6/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
Plan for peak pricing, with this is one of the busiest months here.
Frequently asked
- What is the weather like in Reykjavik in August?
- In August, Reykjavik averages 10°C, 127 mm of rain, and about 9 days with 6+ hours of sunshine. Its climate-comfort score is 6.2/10.
- Is August a good time to visit Reykjavik?
- August earns a 6.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Reykjavik in August?
- Expect about 127 mm of rain in August. Average humidity is 85% and there are about 9 days with 6+ hours of sunshine.
Curated in Reykjavik
Tickets & experiences
Things to do in Reykjavik
Reykjavik, Iceland. Live activities and tours from GetYourGuide, matched to this destination.