Switzerland · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Geneva are May, June and September, when daytime temperatures are agreeable and rainfall is relatively low.
Geneva sees its warmest weather in July, when daytime highs average around 27°C, and its coolest in January (around 5°C).
Annual precipitation totals roughly 946mm — October is typically the wettest month (~97mm) and February the driest (~56mm).
Rainfall is spread fairly evenly through the year, so no single season is dramatically wetter than the rest.
July is the sunniest month, with about 269 hours of sunshine.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 5° / -1°C | 73mm | 🤔 Fair |
| February | 7° / -1°C | 56mm | 🤔 Fair |
| March | 12° / 2°C | 62mm | 🤔 Fair |
| April | 16° / 5°C | 67mm | 👍 Good |
| May | 20° / 9°C | 79mm | 🌟 Great |
| June | 24° / 13°C | 83mm | 🌟 Great |
| July | 27° / 15°C | 79mm | 👍 Good |
| August | 26° / 14°C | 81mm | 🌟 Great |
| September | 21° / 11°C | 91mm | 🌟 Great |
| October | 16° / 7°C | 97mm | 👍 Good |
| November | 9° / 3°C | 89mm | 🤔 Fair |
| December | 6° / 0°C | 90mm | ⚠️ Challenging |
January in Geneva is cold, with average daytime highs around 5°C (41°F) and nighttime lows near -1°C (30°F). Expect roughly 73mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 61 hours of sunshine over the month (~2h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
February in Geneva is cold, with average daytime highs around 7°C (45°F) and nighttime lows near -1°C (30°F). Expect roughly 56mm of precipitation spread over about 8 rainy days, with little rainfall.
☀️ About 96 hours of sunshine over the month (~3h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
March in Geneva is chilly, with average daytime highs around 12°C (53°F) and nighttime lows near 2°C (35°F). Expect roughly 62mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
☀️ About 161 hours of sunshine over the month (~5h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
April in Geneva is mild, with average daytime highs around 16°C (61°F) and nighttime lows near 5°C (41°F). Expect roughly 67mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
☀️ About 187 hours of sunshine over the month (~6h/day).
🎒 What to pack — light jacket · layers for cool evenings
May in Geneva is pleasantly warm, with average daytime highs around 20°C (68°F) and nighttime lows near 9°C (48°F). Expect roughly 79mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 212 hours of sunshine over the month (~7h/day).
🎒 What to pack — light layers · comfortable walking shoes
June in Geneva is pleasantly warm, with average daytime highs around 24°C (76°F) and nighttime lows near 13°C (55°F). Expect roughly 83mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
☀️ About 246 hours of sunshine over the month (~8h/day).
🎒 What to pack — light layers · comfortable walking shoes
July in Geneva is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 15°C (58°F). Expect roughly 79mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
☀️ About 269 hours of sunshine over the month (~9h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses
August in Geneva is warm, with average daytime highs around 26°C (79°F) and nighttime lows near 14°C (58°F). Expect roughly 81mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
☀️ About 242 hours of sunshine over the month (~8h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses
September in Geneva is pleasantly warm, with average daytime highs around 21°C (70°F) and nighttime lows near 11°C (51°F). Expect roughly 91mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
☀️ About 184 hours of sunshine over the month (~6h/day).
🎒 What to pack — light layers · comfortable walking shoes
October in Geneva is mild, with average daytime highs around 16°C (60°F) and nighttime lows near 7°C (45°F). Expect roughly 97mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 116 hours of sunshine over the month (~4h/day).
🎒 What to pack — light jacket · layers for cool evenings
November in Geneva is chilly, with average daytime highs around 9°C (49°F) and nighttime lows near 3°C (37°F). Expect roughly 89mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 65 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
December in Geneva is cold, with average daytime highs around 6°C (42°F) and nighttime lows near 0°C (32°F). Expect roughly 90mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 48 hours of sunshine over the month (~2h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf