Monthly weather forecast and climate
Hoeilaart, Belgium

January, like December, in Hoeilaart, Belgium, is another cold winter month, with temperature in the range of an average low of 1°C (33.8°F) and an average high of 5°C (41°F). With an average high-temperature of 5°C (41°F) and an average low-temperature of 1°C (33.8°F), January is the coldest month. Weather in January »

February, the last month of the winter, in Hoeilaart, is a chilly month, with average temperature fluctuating between 6.3°C (43.3°F) and 1.3°C (34.3°F). In February, the average high-temperature is essentially the same as in January - a chilly 6.3°C (43.3°F). Weather in February »

The first month of the spring, March, is a cool month in Hoeilaart, Belgium, with temperature in the range of an average high of 10.7°C (51.3°F) and an average low of 3.1°C (37.6°F). In Hoeilaart, the average high-temperature in March slightly increases, from a chilly 6.3°C (43.3°F) in February, to a cool 10.7°C (51.3°F). Weather in March »

April is a mild spring month in Hoeilaart, Belgium, with average temperature fluctuating between 5.8°C (42.4°F) and 15.2°C (59.4°F). In Hoeilaart, the average high-temperature marginally rises, from a cool 10.7°C (51.3°F) in March, to a mild 15.2°C (59.4°F). Weather in April »

The last month of the spring, May, is an enjoyable month in Hoeilaart, Belgium, with average temperature varying between 17.5°C (63.5°F) and 8.2°C (46.8°F). In May, the average high-temperature is relatively the same as in April - an enjoyable 17.5°C (63.5°F). Weather in May »

The first month of the summer, June, is an agreeable month in Hoeilaart, Belgium, with average temperature ranging between max 20.8°C (69.4°F) and min 11.4°C (52.5°F). In Hoeilaart, Belgium, the average high-temperature slightly increases, from an enjoyable 17.5°C (63.5°F) in May, to an agreeable 20.8°C (69.4°F). Weather in June »

July, the same as June, in Hoeilaart, Belgium, is an agreeable summer month, with temperature in the range of an average low of 13.7°C (56.7°F) and an average high of 22.9°C (73.2°F). In Hoeilaart, the average high-temperature is practically the same as in June - a still agreeable 22.9°C (73.2°F). Weather in July »

August, the last month of the summer, in Hoeilaart, is a moderately hot month, with average temperature ranging between min 13.8°C (56.8°F) and max 23.1°C (73.6°F). August is the warmest month, with an average high-temperature of 23.1°C (73.6°F) and an average low-temperature of 13.8°C (56.8°F). Weather in August »

The first month of the autumn, September, is still a comfortable month in Hoeilaart, Belgium, with average temperature fluctuating between 19.6°C (67.3°F) and 11.3°C (52.3°F). In Hoeilaart, the average high-temperature slightly decreases, from a moderately hot 23.1°C (73.6°F) in August, to a comfortable 19.6°C (67.3°F). Weather in September »

October, like September, is another mild autumn month in Hoeilaart, Belgium, with average temperature fluctuating between 15°C (59°F) and 8°C (46.4°F). In October, the average high-temperature slightly decreases, from a comfortable 19.6°C (67.3°F) in September, to a mild 15°C (59°F). Weather in October »

November, the last month of the autumn, in Hoeilaart, is also a frosty month, with average temperature ranging between max 9.6°C (49.3°F) and min 5°C (41°F). In Hoeilaart, the average high-temperature in November decreases, from a mild 15°C (59°F) in October, to a frosty 9.6°C (49.3°F). Weather in November »

December, the first month of the winter, in Hoeilaart, is also a frosty month, with average temperature fluctuating between 6.3°C (43.3°F) and 2.4°C (36.3°F). In December, the average high-temperature slightly decreases, from a chilly 9.6°C (49.3°F) in November, to a still frosty 6.3°C (43.3°F). Weather in December »

What is the coldest month in Hoeilaart?

January is the coldest month in Hoeilaart, with an average high-temperature of 5°C (41°F) and an average low-temperature of 1°C (33.8°F).

How much does it rain in Hoeilaart?

Throughout the year, there are 179.3 rainfall days, and 469mm (18.46") of precipitation is accumulated.

When does it snow in Hoeilaart?

January through March, October through December are months with snowfall.

How much does it snow in Hoeilaart?

In Hoeilaart, during the entire year, snow falls for 13.8 days, and aggregates up to 112mm (4.41") of snow.

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.

What is the month with the lowest UV index in Hoeilaart?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hoeilaart, Belgium.

What is the least humid month in Hoeilaart?

April, July and August, with an average relative humidity of 75%, are the least humid months.

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?

April through September are months without snowfall in Hoeilaart, Belgium.

When are the longest days in Hoeilaart?

June has the longest days of the year in Hoeilaart, Belgium, with an average of 16.4h of daylight.

What are the months with the highest UV index in Hoeilaart?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Hoeilaart.

What are the months with the most sunshine in Hoeilaart?

Months with the most sunshine in Hoeilaart, Belgium, are July and August, with an average of 9h of sunshine.

What is the warmest month in Hoeilaart?

August is the warmest month in Hoeilaart, Belgium, with an average high-temperature of 23.1°C (73.6°F) and an average low-temperature of 13.8°C (56.8°F).

What is the most humid month in Hoeilaart?

With an average relative humidity of 88%, December is the most humid month in Hoeilaart.

What is the wettest month in Hoeilaart?

The month with the most rainfall in Hoeilaart 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 in Hoeilaart is December, with an average of 8.1h of daylight.

What is the month with the least sunshine in Hoeilaart?

With an average of 3.6h of sunshine, December has the least sunshine of the year in Hoeilaart, Belgium.
Average pressure - Hoeilaart, Belgium

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

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
Average rainfall - Hoeilaart, Belgium
Average rainfall days - Hoeilaart, Belgium

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
Average snowfall days - Hoeilaart, Belgium

The month with the highest number of snowfall days is February (4.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine - Hoeilaart, Belgium

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8.1h).

Months with the most sunshine are July and August (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 3.6h).

Average sunshine days - Hoeilaart, Belgium

The month with the most sunshine days is September (14.6 days).
Months with the least sunshine days are February, August and December (10.9 days).

Average UV index - Hoeilaart, Belgium
Average visibility - Hoeilaart, Belgium

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).