Overijse Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Overijse.
Climate overview of Overijse
The climate in Overijse, Flemish Brabant, Belgium, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in July to 7°C (45°F) in January.
The city receives around 836 mm (33 in) of rain/snowfall per year. It experiences warm summers and cold winters. August is the wettest month and April the driest. Sunshine peaks in May, when the city sees around 6.3 hours of sunshine per day.
Overijse Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Overijse - and find the best time to visit.
Monthly Temperature in Overijse
In Overijse, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 7°C (45°F) in January.
Nighttime temperatures range from 14°C (57°F) in July to 1°C (34°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Overijse
On average, Overijse receives a reasonable amount of rain/snowfall, with an annual precipitation of 836 mm (33 in). The wettest period in Overijse occurs in August, which receives around 81 mm (3.2 in) of precipitation. During the driest month, April, Overijse experiences moderate rainfall, totaling 56 mm (2.2 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Overijse Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Overijse
In Overijse, summer days are longer and more sunny, with daily sunshine hours peaking at 6.3 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Overijse by Month
The city experiences its highest humidity in January, reaching 89%. In May, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Overijse
The mean wind speed varies between 3 m/s (6 knots) and 4 m/s (8 knots) throughout the year. It is lowest in April, May, June, July, August, September, October and November and highest during January, February, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Overijse
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: May, June, July and August
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Overijse
What is the best time to visit Overijse?
June, July, August and September typically offer the most optimal weather in Overijse. In contrast, January, February and December tend to have less optimal conditions. Overijse has warm summers and cold winters.
What temperatures can I expect in Overijse?
Daytime highs range from 7°C (45°F) in January to 24°C (75°F) in July. Nighttime lows range from 1°C (34°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Overijse get?
Annual rainfall is around 836 mm (33 in). August is the wettest month with 81 mm (3.2 in), while April is the driest with 56 mm (2.2 in).
How sunny is Overijse?
Overijse receives around 1,484 hours of sunshine per year. May is the sunniest month with 189 hours, while December is the cloudiest with just 44 hours.
Overijse 3-Day Forecast
Overijse on the map
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