Best Time to Visit Geneva
The best time to visit Geneva is June to August, when the average temperature is 17–19°C and rainfall is low for Geneva, at 93–100 mm a month.
Geneva weather by month
The wettest month in Geneva is May with 111 mm of rain, and the warmest is July at an average 19°C. The coolest is January at -1°C.
| Month | Average temperature | Rainfall | Verdict |
|---|---|---|---|
| January | -1°C / 31°F | 98 mm | Cold |
| February | 0°C / 32°F | 73 mm | Cold |
| March | 4°C / 39°F | 90 mm | Cold |
| April | 8°C / 47°F | 75 mm | Cool |
| May | 12°C / 54°F | 111 mm | Cool |
| June | 17°C / 62°F | 100 mm | Best |
| July | 19°C / 66°F | 93 mm | Best |
| August | 18°C / 65°F | 99 mm | Best |
| September | 14°C / 58°F | 76 mm | Cool |
| October | 10°C / 50°F | 91 mm | Cool |
| November | 4°C / 40°F | 96 mm | Cold |
| December | 0°C / 33°F | 106 mm | Cold |
How we pick the best months
- Best: an average temperature of 15–28°C and low rainfall for Geneva: under 150 mm, and no more than 118 mm, a quarter above Geneva's median month (never set below 60 mm).
- If no month qualifies, we show the three driest months that average 10–30°C instead.
- Wet: 150 mm of rain or more. Rainy: more than 118 mm. Hot: 29°C or more on average. Cool: under 15°C. Cold: under 5°C.
Averages cover day and night, so afternoons are warmer than the figure shown. Weather is only one reason to pick a month: school holidays, festivals and prices matter too.
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Where these numbers come from
Monthly averages for January 2001 – December 2020 from the NASA POWER project, for the area around Cointrin (GVA) at 46.24, 6.11. The model covers a grid about 50 km across, so a coastal or hilly spot can run a degree or two different. Retrieved 12 September 2026.
The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center (LaRC) Prediction of Worldwide Energy Resource (POWER) Project funded through the NASA Earth Science/Applied Science Program.