Wallonia
May
Weather in Wallonia for May 2025
Your guide to Wallonia weather in May - trends and predictions
In general, the average temperature in Wallonia at the beginning of May is 16.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.6 °C by the end of May.
The climate of Wallonia in May is notably wet, with an average of 12 rainy days.
Is May a good time to visit Wallonia? check out the best time to travel to Wallonia page.
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19
Dry days
12
Rainy days
0
Snow days
19°/6°
Temperatures
16 km/h
Avg max wind
82 %
Avg humidity
Wallonia in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  14° | 3  15° | 4 18° | |||
| 5 17° | 6 17° | 7  17° | 8 17° | 9 16° | 10 17° | 11 19° |
| 12 20° | 13 20° | 14 21° | 15 16° | 16 14° | 17 15° | 18 15° |
| 19 18° | 20 18° | 21 20° | 22 18° | 23 18° | 24 16° | 25 18° |
| 26  20° | 27  18° | 28  20° | 29 18° | 30 16° | 31 20° |
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Temperatures trend during May in Wallonia
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 | Moderate or heavy rain shower | 19° /9° | 3.5 mm | 5 | |
| 2 May | Patchy rain possible | 14° /7° | 3.6 mm | 3 | |
| 3 May | Overcast | 15° /4° | 4.1 mm | 4 | |
| 4 May | Overcast | 18° /6° | 1.6 mm | 4 | |
| 5 May | Patchy rain possible | 17° /8° | 1 mm | 4 | |
| 6 May | Patchy rain possible | 17° /8° | 4.5 mm | 4 | |
| 7 May | Heavy rain at times | 17° /9° | 4.9 mm | 4 | |
| 8 May | Patchy rain possible | 17° /8° | 0.9 mm | 4 | |
| 9 May | Moderate or heavy rain shower | 16° /8° | 9.8 mm | 4 | |
| 10 May | Moderate or heavy rain shower | 17° /7° | 4.7 mm | 4 | |
| 11 May | Patchy rain possible | 19° /8° | 1.1 mm | 5 | |
| 12 May | Heavy rain at times | 20° /10° | 5.5 mm | 5 | |
| 13 May | Patchy rain possible | 20° /9° | 1.5 mm | 5 | |
| 14 May | Patchy rain possible | 21° /9° | 1.8 mm | 5 | |
| 15 May | Patchy rain possible | 16° /9° | 6.2 mm | 4 | |
| 16 May | Patchy rain possible | 14° /7° | 10.9 mm | 4 | |
| 17 May | Overcast | 15° /6° | 4.1 mm | 4 | |
| 18 May | Overcast | 15° /6° | 4.7 mm | 4 | |
| 19 May | Overcast | 18° /6° | 2.5 mm | 4 | |
| 20 May | Overcast | 18° /8° | 1.2 mm | 4 | |
| 21 May | Overcast | 20° /10° | 6.1 mm | 5 | |
| 22 May | Patchy rain possible | 18° /11° | 0.8 mm | 5 | |
| 23 May | Patchy rain possible | 18° /8° | 0.9 mm | 4 | |
| 24 May | Patchy rain possible | 16° /7° | 2.9 mm | 4 | |
| 25 May | Overcast | 18° /7° | 0.4 mm | 4 | |
| 26 May | Sunny | 20° /7° | 2.5 mm | 5 | |
| 27 May | Cloudy | 18° /6° | 3.1 mm | 5 | |
| 28 May | Partly cloudy | 20° /7° | 3 mm | 5 | |
| 29 May | Cloudy | 18° /9° | 9 mm | 4 | |
| 30 May | Overcast | 16° /6° | 2.4 mm | 4 | |
| 31 May | Sunny | 20° /7° | 1.7 mm | 5 | |
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Important Notice
Our weather forecast for Wallonia 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 Wallonia forecast closer to your planned date for the most up-to-date weather information.
Wallonia in May - FAQ
What are the expected maximum and minimum temperatures in Wallonia during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wallonia during May?
Significant rainfall exceeding 177.4 mm is expected in Wallonia during May, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Wallonia during May?
The average wind speed in Wallonia during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Wallonia in May?
As you prepare for your trip to Wallonia 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 Wallonia, 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 Wallonia
Explore the daily rainfall trends and prepare for Wallonias May weather 💧
UV exposure in Wallonia during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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