August · Switzerland
Best time to visit Geneva in August Weather, crowds & prices
Weather in Geneva in August
Average temperature 21°C, 73 mm of rain, about 24 days with 6+ hours of sunshine and 61% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
9.0/10
Ranked #2 of 12 months
- Avg temp
- 21°C
- Rainfall
- 73 mm
- Humidity
- 61%
- Days with 6h+ sun
- 24
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Geneva scores 9.0/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 21°C, 73 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Geneva's Jet d'Eau and Lake Léman glow May–Sep when warm, dry days frame crisp Mont Blanc views.
August in Geneva — one of the year's strongest windows (2nd)
August averages 21°C (70°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 73 mm, so plan one flexible day in three; you still get about 24 days with 6+ hours of sunshine and 14 hours of daylight.
A 9/10 puts this among the year's best months in Geneva (2nd of 12); only July scores higher, at 9.3/10.
Pack light clothing, a hat and real sun protection, a packable rain layer.
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 Geneva in August?
- In August, Geneva averages 21°C, 73 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 9.0/10.
- Is August a good time to visit Geneva?
- August earns a 9.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Geneva in August?
- Expect about 73 mm of rain in August. Average humidity is 61% and there are about 24 days with 6+ hours of sunshine.
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Geneva, Switzerland. Live activities and tours from GetYourGuide, matched to this destination.