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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in Hoeilaart, Belgium, with an average temperature ranging between max 5°C (41°F) and min 1°C (33.8°F). The month of January, characterized by an average high of 5°C (41°F) and a low of 1°C (33.8°F), is recognized as the coldest. Weather in January »
Weather in February
February, the last month of the winter in Hoeilaart, is a frosty month, with an average temperature fluctuating between 6.3°C (43.3°F) and 1.3°C (34.3°F). February's arrival brings an average high-temperature of a chilly 6.3°C (43.3°F), demonstrating subtle variation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Hoeilaart, is a fresh month, with an average temperature varying between 10.7°C (51.3°F) and 3.1°C (37.6°F). March signifies a subtle uplift in the average high-temperature, adjusting from a chilly 6.3°C (43.3°F) in February to a cool 10.7°C (51.3°F). Weather in March »
Weather in April
April is a mild spring month in Hoeilaart, Belgium, with an average temperature ranging between min 5.8°C (42.4°F) and max 15.2°C (59.4°F). In Hoeilaart, the average high-temperature in April slightly increases from a cool 10.7°C (51.3°F) in March to a moderate 15.2°C (59.4°F). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Hoeilaart, Belgium, with an average temperature ranging between min 8.2°C (46.8°F) and max 17.5°C (63.5°F). The unfolding of May shows an average high-temperature of a still refreshing 17.5°C (63.5°F), indicating a slight variance from April's 15.2°C (59.4°F). Weather in May »
Weather in June
June, the first month of the summer in Hoeilaart, is a pleasant month, with an average temperature varying between 11.4°C (52.5°F) and 20.8°C (69.4°F). The shift from May to June sees a slight increase in the average high-temperature, transitioning from an enjoyable 17.5°C (63.5°F) to an agreeable 20.8°C (69.4°F). Weather in June »
Weather in July
July, the same as June, in Hoeilaart, Belgium, is another pleasant summer month, with an average temperature fluctuating between 13.7°C (56.7°F) and 22.9°C (73.2°F). The commencement of July brings an average high-temperature of a still agreeable 22.9°C (73.2°F), marking an inconsequential divergence from June. Weather in July »
Weather in August
August, the last month of the summer in Hoeilaart, is a moderately hot month, with an average temperature ranging between max 23.1°C (73.6°F) and min 13.8°C (56.8°F). Hoeilaart experiences its highest temperatures in August, with an average peak of 23.1°C (73.6°F) and a low of 13.8°C (56.8°F). Weather in August »
Weather in September
September, the first month of the autumn in Hoeilaart, is still a comfortable month, with an average temperature ranging between max 19.6°C (67.3°F) and min 11.3°C (52.3°F). Transition into September subtly marks a drop in the average high-temperature, moderately moving from a warm 23.1°C (73.6°F) in August to a comfortable 19.6°C (67.3°F). Weather in September »
Weather in October
October, the same as September, in Hoeilaart, Belgium, is a moderate autumn month, with temperature in the range of an average low of 8°C (46.4°F) and an average high of 15°C (59°F). The onset of October brings a small shift in high-temperatures, falling from a refreshing 19.6°C (67.3°F) in September to a moderate 15°C (59°F). Weather in October »
Weather in November
November, the last month of the autumn in Hoeilaart, is another chilly month, with an average temperature fluctuating between 9.6°C (49.3°F) and 5°C (41°F). November comes with a drop in the average high-temperature, falling from October's refreshing 15°C (59°F) to a frosty 9.6°C (49.3°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Hoeilaart, Belgium, with an average temperature fluctuating between 6.3°C (43.3°F) and 2.4°C (36.3°F). The arrival of December signals a subtle shift in temperature, down from 9.6°C (49.3°F) in November to a still frosty 6.3°C (43.3°F). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Hoeilaart?
The month of January, characterized by an average high of 5°C (41°F) and a low of 1°C (33.8°F), is recognized as the coldest.
How many days does it rain in Hoeilaart?
In Hoeilaart, during the entire year, the rain falls for 179.3 days and collects up to 469mm (18.46") of precipitation.
When does it snow in Hoeilaart?
January through March, October through December are months with snowfall in Hoeilaart.
When does it snow the most in Hoeilaart?
The month with the most snowfall is January, when snow falls for 4.1 days and typically aggregates up to 34mm (1.34") of snow.
How many days does it snow in Hoeilaart?
Throughout the year, in Hoeilaart, Belgium, there are 13.8 snowfall days, and 112mm (4.41") of snow is accumulated.
When is the lowest UV index in Hoeilaart?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the least humid month in Hoeilaart?
April, July and August, with an average relative humidity of 75%, are the least humid months in Hoeilaart.
What is the driest month in Hoeilaart?
April is the month with the least rainfall in Hoeilaart, Belgium. Rain falls for 13.7 days and accumulates 25mm (0.98") of precipitation.
When it does not snow in Hoeilaart?
In Hoeilaart, snow does not fall in April through September.
When are the longest days in Hoeilaart?
June has the longest days of the year, with an average of 16h and 24min of daylight.
When is the highest UV index in Hoeilaart?
June through August, with an average maximum UV index of 5, are months with the highest UV index.
What are the months with the most sunshine in Hoeilaart?
The months with the most sunshine are July and August, with an average of 9h of sunshine.
What time of the year is the hottest in Hoeilaart?
In Hoeilaart, the average temperatures in August are the highest, with a peak at 23.1°C (73.6°F) and a low of 13.8°C (56.8°F).
When is Daylight Saving Time (DST) in Hoeilaart?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Hoeilaart, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the most humid month in Hoeilaart?
The most humid month is December, with an average relative humidity of 88%.
What is the wettest month in Hoeilaart?
The month with the most rainfall in Hoeilaart, Belgium, is December, when the rain falls for 17 days and typically aggregates up to 54mm (2.13") of precipitation.
What is the month with the shortest days in Hoeilaart?
The month with the shortest days is December, with an average of 8h and 0min of daylight.
What is the month with the least sunshine in Hoeilaart?
The month with the least sunshine in Hoeilaart, Belgium, is December, with an average of 3.6h of sunshine.
Average temperature
Hoeilaart, Belgium
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5°C).
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure
Hoeilaart, Belgium
- Average pressure in January:
1016.2mbar - Average pressure in February:
1015.2mbar - Average pressure in March:
1016mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.5mbar - Average pressure in June:
1016.2mbar
- Average pressure in July:
1015.7mbar - Average pressure in August:
1015.7mbar - Average pressure in September:
1017.4mbar - Average pressure in October:
1016.4mbar - Average pressure in November:
1012.5mbar - Average pressure in December:
1016.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed
Hoeilaart, Belgium
- Average wind speed in January:
17.2km/h - Average wind speed in February:
17.6km/h - Average wind speed in March:
15.7km/h - Average wind speed in April:
12.7km/h - Average wind speed in May:
12.5km/h - Average wind speed in June:
12.3km/h
- Average wind speed in July:
11.9km/h - Average wind speed in August:
11.7km/h - Average wind speed in September:
12.1km/h - Average wind speed in October:
14km/h - Average wind speed in November:
15.8km/h - Average wind speed in December:
18.1km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity
Hoeilaart, Belgium
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall
Hoeilaart, Belgium
The wettest month (with the highest rainfall) is December (54mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days
Hoeilaart, Belgium
- Average rainfall days in January:
14.6 days - Average rainfall days in February:
11.6 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
14.7 days - Average rainfall days in December:
17 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (11.6 days).
Average snowfall
Hoeilaart, Belgium
The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days
Hoeilaart, Belgium
- Average snowfall days in January:
4.1 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hoeilaart, Belgium
- Average daylight in January:
8h and 3min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 3min - Average daylight in June:
16h and 2min
- Average daylight in July:
16h and 0min - Average daylight in August:
14h and 3min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
9h and 0min - Average daylight in December:
8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
9h and 0min - Average sunshine in August:
9h and 0min - Average sunshine in September:
7h and 3min - Average sunshine in October:
5h and 3min - Average sunshine in November:
4h and 1min - Average sunshine in December:
3h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days
Hoeilaart, Belgium
- Average sunshine days in January:
11.9 days - Average sunshine days in February:
10.9 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
11.9 days - Average sunshine days in December:
10.9 days
The month with the most sunshine days is September (14.6 days).
The months with the least sunshine days are February, August and December (10.9 days).
Average UV index
Hoeilaart, Belgium
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Hoeilaart, Belgium
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility
Hoeilaart, Belgium
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Hoeilaart, Belgium
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