Weather in Basel for May 2025
In general, the average temperature in Basel 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 in May is notably wet, with an average of 15 rainy days.
Is May a good time to visit Basel? check out the best time to travel to Basel page.
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Basel in May average weather
| 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
May weather day by day
| 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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Guide for Basel in May
In Basel, Switzerland, May marks the transition from spring to early summer, bringing about pleasant weather conditions. At the beginning of the month, the average temperature hovers around 15°, with mild and comfortable conditions prevailing.
The days are gradually becoming longer, allowing for more daylight hours to explore the city and its surroundings. Additionally, the chance of rainfall is moderate, so it's advisable to pack an umbrella or light rain jacket when venturing outdoors.
As the month progresses towards the end of May, the temperatures in Basel tend to rise, reaching an average of 19°. The city experiences an increase in sunshine hours, making it an ideal time to visit outdoor attractions such as the Rhine River and the Old Town.
The evenings remain cool and refreshing, perfect for leisurely strolls along the charming streets or enjoying al fresco dining at local restaurants.
Overall, May in Basel offers a delightful blend of mild temperatures, increasing sunshine, and blooming flora, making it an excellent time to visit this picturesque Swiss city.
Basel in May - FAQ
What to pack to Basel in May?
As you prepare for your trip to Basel 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, 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
May rainfall patterns in Basel
UV exposure in Basel during May
Quick links
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