City in Basel-Stadt, Switzerland
Basel weather by month and the best time to visit
When to go to Basel
Jun–Aug is best for floating down the Rhine and Art Basel (June); Fasnacht is Feb–Mar. Winters are grey and damp; Christmas market runs late Nov–Dec.
Basel weather by month
Average daily high, rainfall and conditions.
- Jan4°75 mm
- Feb6°60 mm
- Mar11°74 mm
- Apr16°75 mm
- May20°118 mm
- Jun24°105 mm
- Jul25°107 mm
- Aug25°110 mm
- Sep21°79 mm
- Oct16°94 mm
- Nov10°77 mm
- Dec5°86 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 4°C40°F | -2°C29°F | 75 mm | 91% | Cold |
| February | 6°C42°F | -2°C29°F | 60 mm | 88% | Cold |
| March | 11°C51°F | 1°C35°F | 74 mm | 83% | Cold |
| April | 16°C60°F | 5°C42°F | 75 mm | 79% | Cool |
| May | 20°C67°F | 10°C49°F | 118 mm | 79% | Pleasant |
| June | 24°C75°F | 14°C57°F | 105 mm | 77% | Pleasant |
| July | 25°C78°F | 15°C60°F | 107 mm | 76% | Pleasant |
| August | 25°C77°F | 15°C59°F | 110 mm | 77% | Pleasant |
| September | 21°C69°F | 11°C51°F | 79 mm | 80% | Pleasant |
| October | 16°C61°F | 7°C44°F | 94 mm | 86% | Cool |
| November | 10°C49°F | 2°C36°F | 77 mm | 90% | Cold |
| December | 5°C41°F | -1°C31°F | 86 mm | 91% | Cold |
Best months across Switzerland
| Place | Best months | Warmest month |
|---|---|---|
| Zurich | May–Sep | Jul (24°C) |
| Geneva | May–Sep | Jul (27°C) |
| Lucerne | May–Sep | Jul (24°C) |
| Interlaken | Jun–Sep | Jul (25°C) |
| Zermatt | Jan–Mar, Jul–Sep | Jul (19°C) |
| Bern | May–Sep | Jul (24°C) |
| Basel | May–Sep | Jul (25°C) |
| Lausanne | May–Sep | Jul (26°C) |
| Lugano | Apr–Jun, Sep–Oct | Jul (28°C) |
| Grindelwald | Jan–Feb, Jun–Sep | Jul (22°C) |
| St. Moritz | Jan–Mar, Jul–Sep | Jul (18°C) |
| Montreux | May–Jun, Sep–Oct | Jul (26°C) |
Quick answers
What is the best month to visit Basel?
May–Sep. Jun–Aug is best for floating down the Rhine and Art Basel (June); Fasnacht is Feb–Mar. Winters are grey and damp; Christmas market runs late Nov–Dec.
When is the rainy season in Basel?
Rain peaks in May with about 118 mm. No month averages 150 mm or more.
What is the hottest month in Basel?
July, with average highs of 25°C (78°F).
How cold does Basel get?
The coolest nights are in January, averaging -2°C (29°F).
More about Basel
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 1.8°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.