August · Iceland
Best time to visit Þingvellir in August Weather, crowds & prices
Weather in Þingvellir in August
Average temperature 9°C, 101 mm of rain, about 9 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
6.3/10
Ranked #3 of 12 months
- Avg temp
- 9°C
- Rainfall
- 101 mm
- Humidity
- 83%
- Days with 6h+ sun
- 9
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Þingvellir scores 6.3/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 9°C, 101 mm of rain, and roughly 9 days with 6+ hours of sunshine this month.
Þingvellir is where Iceland’s parliament began-rift valley paths between Eurasian and North American plates. Best window: the short high-summer window when daylight peaks.
August in Þingvellir: mixed conditions, plan around the weather
August averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 101 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 6.3/10 here, 3rd of 12 months, against 7.5/10 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. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Þingvellir in August?
- In August, Þingvellir averages 9°C, 101 mm of rain, and about 9 days with 6+ hours of sunshine. Its climate-comfort score is 6.3/10.
- Is August a good time to visit Þingvellir?
- August earns a 6.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Þingvellir in August?
- Expect about 101 mm of rain in August. Average humidity is 83% and there are about 9 days with 6+ hours of sunshine.
Curated in Þingvellir
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Þingvellir, Iceland. Live activities and tours from GetYourGuide, matched to this destination.