UTC Offset
UTC+02:00
Casteau, Belgium Snapshot 2026
Where is Casteau?
Casteau, Belgium
- Continent
- Europe
- Country
- Belgium
- City
- Casteau
- Population
- 3K
- Coordinates
- 50.51°, 4.01°
Casteau is a city in Belgium with a population of approximately 3K. Average temperatures range from 1°C (34°F) in January to 23°C (74°F) in August. The best time to visit is May, June, July, August.
Time in Casteau right now
Open full time & time zone page 16:56 56
Friday, May 8, 2026
IANA time zone
Europe/Brussels
Daylight saving
DST in effect
CET / CEST
Next DST change
October 25
backward -1h
Live weather in Casteau
Daylight in Casteau today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 07m
Climate normals for Casteau
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Excellent August best
Excellent September
Good October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / 1°C | 2°C / -3°C | 14days (85 mm) Wet | 3.6h Poor | 88% Very Muggy | 1.2 Low | Poor | View Details |
| February | 9°C / 3°C | 4°C / -2°C | 12days (69 mm) Wet | 5.1h Fair | 81% Humid | 1.7 Low | Poor | View Details |
| March | 11°C / 3°C | 8°C / 0°C | 13days (67 mm) Wet | 7.1h Good | 77% Humid | 3.5 Moderate | Poor | View Details |
| April | 14°C / 5°C | 12°C / 2°C | 10days (48 mm) Wet | 9.9h Good | 72% Muggy | 4.8 Moderate | Fair | View Details |
| May best | 18°C / 9°C | 17°C / 7°C | 11days (64 mm) Wet | 10.9h Excellent | 72% Muggy | 5.7 High | Good | View Details |
| June best | 22°C / 13°C | 22°C / 12°C | 11days (72 mm) Wet | 11.1h Excellent | 72% Muggy | 6.3 High | Excellent | View Details |
| July best | 23°C / 14°C | 23°C / 14°C | 9days (57 mm) Wet | 11.4h Excellent | 70% Muggy | 5.8 High | Excellent | View Details |
| August best | 23°C / 15°C | 23°C / 14°C | 11days (63 mm) Wet | 10.5h Excellent | 72% Muggy | 5.4 High | Excellent | View Details |
| September | 20°C / 12°C | 19°C / 11°C | 11days (60 mm) Wet | 8.8h Good | 76% Humid | 4.1 Moderate | Good | View Details |
| October | 16°C / 10°C | 14°C / 7°C | 13days (75 mm) Wet | 6h Fair | 82% Humid | 2.5 Moderate | Good | View Details |
| November | 10°C / 5°C | 7°C / 2°C | 12days (65 mm) Wet | 4.2h Fair | 87% Very Muggy | 1.3 Low | Poor | View Details |
| December | 8°C / 3°C | 4°C / -1°C | 13days (76 mm) Wet | 3h Poor | 89% Very Muggy | 0.9 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 6°C / 1°C . Feb: 9°C / 3°C . Mar: 11°C / 3°C . Apr: 14°C / 5°C . May: 18°C / 9°C . Jun: 22°C / 13°C . Jul: 23°C / 14°C . Aug: 23°C / 15°C . Sep: 20°C / 12°C . Oct: 16°C / 10°C . Nov: 10°C / 5°C . Dec: 8°C / 3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 85 mm. Feb: 69 mm. Mar: 67 mm. Apr: 48 mm. May: 64 mm. Jun: 72 mm. Jul: 57 mm. Aug: 63 mm. Sep: 60 mm. Oct: 75 mm. Nov: 65 mm. Dec: 76 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 88%. Feb: 81%. Mar: 77%. Apr: 72%. May: 72%. Jun: 72%. Jul: 70%. Aug: 72%. Sep: 76%. Oct: 82%. Nov: 87%. Dec: 89%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 22 km/h . Feb: 23 km/h . Mar: 21 km/h . Apr: 19 km/h . May: 18 km/h . Jun: 17 km/h . Jul: 17 km/h . Aug: 17 km/h . Sep: 18 km/h . Oct: 21 km/h . Nov: 20 km/h . Dec: 22 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 4. Oct: UV 3. Nov: UV 1. Dec: UV 1.
Frequently Asked Questions
Casteau has a population of approximately 3K.
The best months to visit Casteau are May, June, July, August, when temperatures are pleasant and rainfall is lower.
Casteau receives approximately 801mm of rainfall annually across 140 rainy days.
Casteau is located in Belgium, in the Europe region.