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Weather in Wallonia for May 2026

Your guide to Wallonia weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Wallonia at the beginning of May is 15.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.1 °C by the end of May.

    • Rain 🌧️

  • Wallonia experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 87.6 mm.

Average dry days
1
Dry days
Average rainy days
30
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/8°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Wallonia Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Cloudy
18°
2
Heavy rain at times
16°
3
Cloudy
15°
4
Patchy rain possible
15°
5
Patchy rain possible
15°
6
Patchy rain possible
16°
7
Patchy rain possible
16°
8
Patchy rain possible
17°
9
Partly cloudy
19°
10
Sunny
19°
11
Patchy rain possible
20°
12
Patchy rain possible
19°
13
Patchy rain possible
19°
14
Moderate or heavy rain shower
20°
15
Patchy rain possible
17°
16
Moderate rain at times
17°
17
Moderate or heavy rain shower
17°
18
Patchy rain possible
17°
19
Moderate rain at times
19°
20
Patchy rain possible
20°
21
Overcast
18°
22
Light rain shower
16°
23
Patchy rain possible
17°
24
Moderate rain at times
16°
25
Light rain shower
17°
26
Light rain shower
18°
27
Light rain shower
17°
28
Light rain shower
18°
29
Partly cloudy
18°
30
Patchy rain possible
19°
31
Sunny
20°

What’s the Weather Like in Wallonia This May?

Discover the average temperatures and weather trends across Wallonia’s cities this May.
Patchy rain possibleLiège17 °C / 8 °CPatchy rain possibleCharleroi16 °C / 8 °CPatchy rain possibleNamur17 °C / 7 °CPatchy rain possibleBrugelette17 °C / 9 °CPatchy rain possibleTournai21 °C / 6 °CMore Locations

Temperatures trend during May in Wallonia

See the weather trend as well as the moving average line

May weather in Wallonia day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Cloudy
Cloudy
 18° /7° 1.4 mm 4
2 May Heavy rain at times
Heavy rain at times
 16° /6° 1.8 mm 4
3 May Cloudy
Cloudy
 15° /4° 2.5 mm 4
4 May Patchy rain possible
Patchy rain possible
 15° /5° 1.1 mm 4
5 May Patchy rain possible
Patchy rain possible
 15° /6° 1.2 mm 3
6 May Patchy rain possible
Patchy rain possible
 16° /5° 2.4 mm 3
7 May Patchy rain possible
Patchy rain possible
 16° /6° 2.4 mm 4
8 May Patchy rain possible
Patchy rain possible
 17° /6° 0.4 mm 4
9 May Partly cloudy
Partly cloudy
 19° /7° 4.2 mm 5
10 May Sunny
Sunny
 19° /9° 2.2 mm 4
11 May Patchy rain possible
Patchy rain possible
 20° /8° 1.6 mm 5
12 May Patchy rain possible
Patchy rain possible
 19° /9° 2.5 mm 4
13 May Patchy rain possible
Patchy rain possible
 19° /7° 1.8 mm 4
14 May Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /7° 2 mm 5
15 May Patchy rain possible
Patchy rain possible
 17° /6° 3.4 mm 4
16 May Moderate rain at times
Moderate rain at times
 17° /7° 5.7 mm 4
17 May Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /7° 3.3 mm 4
18 May Patchy rain possible
Patchy rain possible
 17° /7° 3.2 mm 4
19 May Moderate rain at times
Moderate rain at times
 19° /7° 2.4 mm 4
20 May Patchy rain possible
Patchy rain possible
 20° /8° 2.6 mm 5
21 May Overcast
Overcast
 18° /9° 3 mm 4
22 May Light rain shower
Light rain shower
 16° /8° 1.8 mm 4
23 May Patchy rain possible
Patchy rain possible
 17° /6° 2.1 mm 4
24 May Moderate rain at times
Moderate rain at times
 16° /7° 3.4 mm 4
25 May Light rain shower
Light rain shower
 17° /7° 2.8 mm 4
26 May Light rain shower
Light rain shower
 18° /7° 2.4 mm 4
27 May Light rain shower
Light rain shower
 17° /7° 3.3 mm 4
28 May Light rain shower
Light rain shower
 18° /7° 3.4 mm 4
29 May Partly cloudy
Partly cloudy
 18° /7° 4.4 mm 4
30 May Patchy rain possible
Patchy rain possible
 19° /7° 1.1 mm 5
31 May Sunny
Sunny
 20° /9° 3.6 mm 5
Next
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.
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Wallonia in May - FAQ

What are the expected maximum and minimum temperatures in Wallonia during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wallonia during May?
Moderate rainfall is anticipated in Wallonia during May, with a total of 87.6 mm spread over approximately 30 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Wallonia during May?
The average wind speed in Wallonia during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Wallonia

Explore the daily rainfall trends and prepare for Wallonias May weather 💧
Provinces in Wallonia
Select a province for an accurate weather forecast
Province de LiègeProvince de NamurProvince du Hainaut
Top locations in Wallonia
Select a location for an accurate weather forecast
BrugeletteCharleroiLiègeNamurTournai
More Locations

Quick links

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Location coordinates Where is Wallonia?

Get accurate weather forecasts for Wallonia, located at latitude 50.634 and longitude 5.567. Stay updated with localized weather information tailored for Wallonia.

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