Geneva in Summer — Weather & What to Expect
Summer in Geneva (June, July, August) averages daytime highs of 25.9°C and lows of 16.2°C, with around 255.4mm of rain across the season (31 rainy days in total). It includes some of the best months of the year to visit (June, July, August).
In the northern hemisphere, summer in Geneva covers June, July, August.
Summer in Geneva month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| June | 24.4°C | 15.1°C | 90.5mm | 13 | 10/10 |
| July | 26.8°C | 16.7°C | 99.2mm | 10 | 10/10 |
| August | 26.5°C | 16.8°C | 65.7mm | 8 | 10/10 |
What to pack for Geneva in summer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
Frequently Asked Questions
Is summer a good time to visit Geneva?
Summer in Geneva rates around 10/10 — excellent time to visit. Average highs are 25.9°C with 255.4mm of rain across the season.
How hot is Geneva in summer?
Daytime highs average 25.9°C (78.6°F) across June, July, August, with nights around 16.2°C.
What months are summer in Geneva?
Geneva is in the northern hemisphere, so summer covers June, July, August.
See also: best time to visit Geneva · Geneva annual climate · Geneva in spring · Geneva in autumn · Geneva in winter
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Once you know what summer in Geneva looks like, find out exactly what to pack for Geneva at 247PackingList. For currency, language and country facts, see the Switzerland guide at 247CountryInfo.
Summer in Geneva — what to pack
Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →Check clothing sizes in Switzerland at 247Sizing before you shop.
More summer travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.