Basel-City
May
Weather in Basel-City for May 2025
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 17 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 20 °C by the end of May.
The climate of Basel-City in May is notably wet, with an average of 15 rainy days.
Is May a good time to visit Basel-City? check out the best time to travel to Basel-City page.
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16
Dry days
15
Rainy days
0
Snow days
20°/8°
Temperatures
13 km/h
Avg max wind
83 %
Avg humidity
Basel-City in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2 15° | 3  16° | 4  18° | |||
| 5  19° | 6 17° | 7  17° | 8 17° | 9 18° | 10 17° | 11 18° |
| 12 19° | 13 18° | 14 19° | 15 15° | 16 14° | 17 15° | 18  18° |
| 19 18° | 20 19° | 21 19° | 22 19° | 23 17° | 24 18° | 25 20° |
| 26 20° | 27 20° | 28  21° | 29 21° | 30 19° | 31 19° |
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Temperatures trend during May in Basel-City
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 17° /9° | 2.2 mm | 4 | |
| 2 May | Patchy rain possible | 15° /6° | 5.4 mm | 4 | |
| 3 May | Partly cloudy | 16° /5° | 0.6 mm | 4 | |
| 4 May | Overcast | 18° /6° | 2.6 mm | 4 | |
| 5 May | Heavy rain at times | 19° /10° | 5.7 mm | 5 | |
| 6 May | Overcast | 17° /10° | 8.5 mm | 4 | |
| 7 May | Moderate rain at times | 17° /8° | 4.4 mm | 4 | |
| 8 May | Moderate or heavy rain shower | 17° /9° | 3.2 mm | 4 | |
| 9 May | Heavy rain at times | 18° /7° | 7.2 mm | 4 | |
| 10 May | Moderate or heavy rain shower | 17° /7° | 4.6 mm | 5 | |
| 11 May | Moderate or heavy rain shower | 18° /7° | 2.9 mm | 4 | |
| 12 May | Patchy rain possible | 19° /8° | 1.7 mm | 5 | |
| 13 May | Heavy rain at times | 18° /9° | 3.7 mm | 5 | |
| 14 May | Heavy rain at times | 19° /9° | 10 mm | 5 | |
| 15 May | Moderate or heavy rain shower | 15° /8° | 14.2 mm | 4 | |
| 16 May | Patchy rain possible | 14° /9° | 2.6 mm | 4 | |
| 17 May | Overcast | 15° /6° | 8.6 mm | 4 | |
| 18 May | Cloudy | 18° /5° | 3.1 mm | 4 | |
| 19 May | Overcast | 18° /6° | 0.2 mm | 4 | |
| 20 May | Overcast | 19° /8° | 1.8 mm | 5 | |
| 21 May | Overcast | 19° /11° | 5.7 mm | 5 | |
| 22 May | Moderate rain at times | 19° /10° | 2.7 mm | 5 | |
| 23 May | Patchy rain possible | 17° /11° | 4.2 mm | 4 | |
| 24 May | Overcast | 18° /8° | 2.7 mm | 4 | |
| 25 May | Patchy rain possible | 20° /8° | 1.2 mm | 5 | |
| 26 May | Cloudy | 20° /9° | 1.5 mm | 5 | |
| 27 May | Overcast | 20° /10° | 6.2 mm | 5 | |
| 28 May | Sunny | 21° /8° | 0.1 mm | 5 | |
| 29 May | Partly cloudy | 21° /10° | 2.3 mm | 6 | |
| 30 May | Overcast | 19° /9° | 7.7 mm | 5 | |
| 31 May | Partly cloudy | 19° /9° | 3.9 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.
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 20° 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 217.2 mm is expected in Basel-City during May, occurring over more than 15 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.
What to pack to Basel-City in May?
As you prepare for your trip to Basel-City in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Basel-City, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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