Basel-City (Basel)
May
Weather in Basel-City for May 2026
Your guide to Basel-City weather in May - trends and predictions
In general, the average temperature in Basel-City at the beginning of May is 16.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.9 °C by the end of May.
Basel-City experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 112 mm.
Temperatures
Rain 🌧️
4
Dry days
27
Rainy days
0
Snow days
18°/8°
Temperatures
13 km/h
Avg max wind
81 %
Avg humidity
Basel-City Weather May
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Temperatures trend during May in Basel-City
See the weather trend as well as the moving average line
May weather in Basel-City day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 17° /7° | 2.8 mm | 4 | |
| 2 May | Patchy rain possible | 17° /7° | 4.7 mm | 4 | |
| 3 May |  Sunny | 18° /6° | 1.1 mm | 4 | |
| 4 May | Light rain shower | 17° /6° | 3.2 mm | 4 | |
| 5 May |  Moderate or heavy rain shower | 15° /8° | 7.5 mm | 3 | |
| 6 May | Moderate or heavy rain shower | 14° /7° | 8.4 mm | 3 | |
| 7 May | Patchy rain possible | 16° /6° | 3.4 mm | 4 | |
| 8 May | Patchy rain possible | 17° /7° | 1.9 mm | 4 | |
| 9 May | Sunny | 20° /7° | 2.9 mm | 5 | |
| 10 May | Sunny | 18° /8° | 4.1 mm | 5 | |
| 11 May | Moderate or heavy rain shower | 19° /8° | 4.7 mm | 5 | |
| 12 May | Patchy rain possible | 18° /8° | 2.6 mm | 4 | |
| 13 May | Patchy rain possible | 18° /9° | 2.6 mm | 4 | |
| 14 May | Sunny | 19° /8° | 4.1 mm | 5 | |
| 15 May |  Heavy rain at times | 17° /7° | 6.9 mm | 4 | |
| 16 May | Moderate or heavy rain shower | 16° /8° | 2.9 mm | 4 | |
| 17 May | Moderate or heavy rain shower | 17° /7° | 5.4 mm | 4 | |
| 18 May | Sunny | 19° /7° | 2.1 mm | 5 | |
| 19 May | Light rain shower | 19° /8° | 0.6 mm | 5 | |
| 20 May | Patchy rain possible | 21° /10° | 1.9 mm | 5 | |
| 21 May | Light rain shower | 19° /10° | 7 mm | 4 | |
| 22 May | Patchy rain possible | 19° /9° | 2.4 mm | 4 | |
| 23 May | Patchy rain possible | 18° /9° | 3.4 mm | 4 | |
| 24 May | Patchy rain possible | 17° /7° | 1.8 mm | 4 | |
| 25 May |  Cloudy | 19° /8° | 1.4 mm | 5 | |
| 26 May | Light rain shower | 19° /8° | 2.2 mm | 5 | |
| 27 May | Moderate rain at times | 20° /9° | 3.2 mm | 5 | |
| 28 May | Sunny | 19° /8° | 0.5 mm | 5 | |
| 29 May | Patchy rain possible | 20° /8° | 1.2 mm | 5 | |
| 30 May | Sunny | 20° /8° | 3.1 mm | 5 | |
| 31 May | Sunny | 22° /9° | 2.1 mm | 5 | |
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Important Notice
Our weather forecast for Basel-City in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Basel-City forecast closer to your planned date for the most up-to-date weather information.
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Basel-City in May - FAQ
What are the expected maximum and minimum temperatures in Basel-City during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Basel-City during May?
Significant rainfall exceeding 112 mm is expected in Basel-City during May, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Basel-City during May?
The average wind speed in Basel-City during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Basel-City
Explore the daily rainfall trends and prepare for Basel-Citys May weather 💧
UV exposure in Basel-City during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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