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Weather in Basel for May 2025

Your guide to Basel weather in May - trends and predictions
  • 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.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/8°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Basel in May average weather

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Temperatures trend during May in Basel

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May weather day by day

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Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
17° /9° 2.2 mm 4
2 May Patchy rain possible
Patchy rain possible
15° /6° 5.4 mm 4
3 May Partly cloudy
Partly cloudy
16° /5° 0.6 mm 4
4 May Overcast
Overcast
18° /6° 2.6 mm 4
5 May Heavy rain at times
Heavy rain at times
19° /10° 5.7 mm 5
6 May Overcast
Overcast
17° /10° 8.5 mm 4
7 May Moderate rain at times
Moderate rain at times
17° /8° 4.4 mm 4
8 May Moderate or heavy rain shower
Moderate or heavy rain shower
17° /9° 3.2 mm 4
9 May Heavy rain at times
Heavy rain at times
18° /7° 7.2 mm 4
10 May Moderate or heavy rain shower
Moderate or heavy rain shower
17° /7° 4.6 mm 5
11 May Moderate or heavy rain shower
Moderate or heavy rain shower
18° /7° 2.9 mm 4
12 May Patchy rain possible
Patchy rain possible
19° /8° 1.7 mm 5
13 May Heavy rain at times
Heavy rain at times
18° /9° 3.7 mm 5
14 May Heavy rain at times
Heavy rain at times
19° /9° 10 mm 5
15 May Moderate or heavy rain shower
Moderate or heavy rain shower
15° /8° 14.2 mm 4
16 May Patchy rain possible
Patchy rain possible
14° /9° 2.6 mm 4
17 May Overcast
Overcast
15° /6° 8.6 mm 4
18 May Cloudy
Cloudy
18° /5° 3.1 mm 4
19 May Overcast
Overcast
18° /6° 0.2 mm 4
20 May Overcast
Overcast
19° /8° 1.8 mm 5
21 May Overcast
Overcast
19° /11° 5.7 mm 5
22 May Moderate rain at times
Moderate rain at times
19° /10° 2.7 mm 5
23 May Patchy rain possible
Patchy rain possible
17° /11° 4.2 mm 4
24 May Overcast
Overcast
18° /8° 2.7 mm 4
25 May Patchy rain possible
Patchy rain possible
20° /8° 1.2 mm 5
26 May Cloudy
Cloudy
20° /9° 1.5 mm 5
27 May Overcast
Overcast
20° /10° 6.2 mm 5
28 May Sunny
Sunny
21° /8° 0.1 mm 5
29 May Partly cloudy
Partly cloudy
21° /10° 2.3 mm 6
30 May Overcast
Overcast
19° /9° 7.7 mm 5
31 May Partly cloudy
Partly cloudy
19° /9° 3.9 mm 5
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Important Notice
Our weather forecast for Basel 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 forecast closer to your planned date for the most up-to-date weather information.

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

Is May a good time to visit Basel?
Yes, May is a good time to traveling to Basel, read more about the best time to visit Basel.
What are the expected maximum and minimum temperatures in Basel 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 during May?
Significant rainfall exceeding 217.2 mm is expected in Basel 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 during May?
The average wind speed in Basel during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

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

Explore the daily rainfall trends and prepare for Basels May weather 💧

UV exposure in Basel during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Basel?

Get accurate weather forecasts for Basel, located at latitude 47.558 and longitude 7.573. Stay updated with localized weather information tailored for Basel.

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