August · Iceland
Best time to visit Gullfoss in August Weather, crowds & prices
Weather in Gullfoss in August
Average temperature 6°C, 123 mm of rain, about 9 days with 6+ hours of sunshine and 89% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
5.4/10
Ranked #3 of 12 months
- Avg temp
- 6°C
- Rainfall
- 123 mm
- Humidity
- 89%
- Days with 6h+ sun
- 9
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Gullfoss scores 5.4/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 6°C, 123 mm of rain, and roughly 9 days with 6+ hours of sunshine this month.
Gullfoss tumbles in two wide tiers into a canyon on the Hvítá river, part of Iceland's Golden Circle route.
August in Gullfoss: mixed conditions, plan around the weather
Expect 6°C (43°F) in August. A good month for city streets, viewpoints and long meals; leave swimming for another season.
123 mm of rain signals a properly wet month, with only about 9 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.4/10 on the same scale — 3rd of 12 months, versus 6.6/10 for the best month here.
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.
Expect peak pricing, and 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 Gullfoss in August?
- In August, Gullfoss averages 6°C, 123 mm of rain, and about 9 days with 6+ hours of sunshine. Its climate-comfort score is 5.4/10.
- Is August a good time to visit Gullfoss?
- August earns a 5.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Gullfoss in August?
- Expect about 123 mm of rain in August. Average humidity is 89% and there are about 9 days with 6+ hours of sunshine.
Curated in Gullfoss
Tickets & experiences
Things to do in Gullfoss
Gullfoss, Iceland. Live activities and tours from GetYourGuide, matched to this destination.