Monthly climate guide
Geneva weather in August
With highs near 24°C (75°F) and lows around 14°C (57°F), August feels warm in Geneva. Rainfall averages about 83 mm (some rain) and the sky is often cloudy. Daytime highs are about the same as July and 4°C warmer than September.
What stands out in August
- Just 50 km apart, but Geneva runs about 2°C warmer than Lausanne this month.
- Check the hourly forecast before heading to United Nations Office — showers are likely.
- In Geneva, August is late summer.
- Skies are at their clearest this time of year.
August is typically Geneva's warmest month.
Avg high
24°C
75°F
Avg low
14°C
57°F
Rainfall
83 mm
some rain
Humidity
67%
relative
Sky
56%
cloud · often cloudy
Geneva weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 3°C / 38°F | -3°C / 26°F | 106 mm | 85% | 77% |
| February | 4°C / 40°F | -3°C / 26°F | 76 mm | 82% | 73% |
| March | 9°C / 48°F | 0°C / 33°F | 75 mm | 79% | 66% |
| April | 14°C / 56°F | 4°C / 39°F | 77 mm | 76% | 67% |
| May | 16°C / 61°F | 7°C / 45°F | 124 mm | 78% | 71% |
| June | 21°C / 69°F | 12°C / 53°F | 111 mm | 76% | 66% |
| July | 23°C / 74°F | 14°C / 57°F | 99 mm | 70% | 58% |
| August | 24°C / 75°F | 14°C / 57°F | 83 mm | 67% | 56% |
| September | 20°C / 68°F | 10°C / 50°F | 73 mm | 71% | 58% |
| October | 16°C / 60°F | 6°C / 43°F | 94 mm | 77% | 66% |
| November | 9°C / 49°F | 2°C / 35°F | 100 mm | 81% | 73% |
| December | 5°C / 40°F | -2°C / 29°F | 123 mm | 82% | 74% |
What to pack for August
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is August a good time to visit Geneva?
Our Geneva guide recommends: May to September, for warm days and long evenings by the lake.
A day trip along Lake Geneva to the Lavaux vineyard terraces (a short train ride away) is one of the most rewarding half-days from the city.
Best time to visit Geneva →Other Switzerland cities in August
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Geneva weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/switzerland/geneva/august
<a href="https://weathercompare.eu/weather/switzerland/geneva/august">Geneva weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/switzerland/geneva" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Geneva weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/switzerland/geneva/august">Geneva weather in August</a> – WeatherCompare</p>
Geneva in August: quick answers
Is August a good time to visit Geneva?
Yes. August is one of the best months for Geneva, with highs around 24°C and about 83 mm of rain.
How warm is Geneva in August?
Average highs are about 24°C (75°F) and average lows about 14°C (57°F), based on 10 years of daily data.
Does it rain a lot in Geneva in August?
Geneva typically gets around 83 mm of rain in August — some rain.
When is the best time to visit Geneva?
May to September, for warm days and long evenings by the lake.
Figures are long-term averages for the area around Geneva (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.