Basel Climate by Month
Basel, Basel-City, Switzerland
Warm summers and cool winters, with rain spread through the year.
The climate in Basel is one of warm summers and cool winters, with rain spread through the year. July is the warmest month, with highs around 80°F (27°C); January is the coolest at 42°F (5°C), and nights dip to 31°F (0°C). About 29 in (745 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 80°F(27°C)
- Average high, July
- Coldest nights
- 31°F(0°C)
- Average low, January
- Rain per year
- 29 in(745 mm)
- No clear rainy season
- Humidity
- 73%
- Sunniest: June
Best and worst months in Basel
Best for weatherJune is the best time for weather in Basel: highs near 76°F (25°C) and about 2.9 in (73 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 42°F (5°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Basel weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 42°F(5°C) | 31°F(0°C) | 1.9 in(47 mm) | 82% | 1.1 |
| FebFebruary | 45°F(7°C) | 32°F(0°C) | 1.8 in(45 mm) | 76% | 1.8 |
| MarMarch | 54°F(12°C) | 37°F(3°C) | 1.7 in(44 mm) | 68% | 3.0 |
| AprApril | 62°F(17°C) | 42°F(5°C) | 2.0 in(52 mm) | 68% | 4.4 |
| MayMay | 69°F(21°C) | 49°F(9°C) | 3.1 in(80 mm) | 71% | 5.1 |
| JunJuneBest | 76°F(25°C) | 55°F(13°C) | 2.9 in(73 mm) | 69% | 6.0 |
| JulJuly | 80°F(27°C) | 58°F(15°C) | 3.2 in(81 mm) | 66% | 5.9 |
| AugAugust | 79°F(26°C) | 58°F(14°C) | 2.9 in(74 mm) | 67% | 5.0 |
| SepSeptember | 71°F(21°C) | 52°F(11°C) | 2.5 in(63 mm) | 71% | 3.6 |
| OctOctober | 60°F(16°C) | 45°F(7°C) | 2.5 in(64 mm) | 81% | 2.2 |
| NovNovember | 49°F(10°C) | 38°F(3°C) | 2.3 in(58 mm) | 84% | 1.2 |
| DecDecember | 43°F(6°C) | 33°F(1°C) | 2.5 in(64 mm) | 77% | 0.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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