October weather forecast and climate
Hoeilaart, Belgium

Weather in October

October, like September, is another mild autumn month in Hoeilaart, Belgium, with average temperature fluctuating between 8°C (46.4°F) and 15°C (59°F).

Temperature

In Hoeilaart, Belgium, the average high-temperature in October slightly decreases, from an enjoyable 19.6°C (67.3°F) in September, to a moderate 15°C (59°F). The average low-temperature, in Hoeilaart, is 8°C (46.4°F).

Humidity

The average relative humidity in October is 83%.

Rainfall

In October, in Hoeilaart, the rain falls for 14.5 days. Throughout October, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 179.3 rainfall days, and 469mm (18.46") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 13.8 snowfall days, and 112mm (4.41") of snow is accumulated.

Daylight

In Hoeilaart, Belgium, the average length of the day is 10.7h.

Sunshine

The average sunshine in October is 5.5h.

UV index

In Hoeilaart, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in October in Hoeilaart?

In Hoeilaart, Belgium, in October, the average high-temperature is 15°C (59°F), and the average low-temperature is 8°C (46.4°F).

What is the average humidity in October in Hoeilaart?

In Hoeilaart, Belgium, the average relative humidity in October is 83%.

How much does it rain in Hoeilaart in October?

In Hoeilaart, Belgium, during October, the rain falls for 14.5 days and regularly aggregates up to 35mm (1.38") of precipitation.

When does it start snowing in Hoeilaart?

October is the first month it typically snows in Hoeilaart. Throughout October, in the average 0.1 snowfall days, it receives 2mm (0.08") of snow.

What is the average length of the day in October in Hoeilaart?

The average length of the day in October in Hoeilaart, Belgium, is 10.7h.

How long on average sun shines in October in Hoeilaart?

The average sunshine in October in Hoeilaart is 5.5h.

What is the UV index reading in October in Hoeilaart?

In October, the average daily maximum UV index in Hoeilaart is 3. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in October
Hoeilaart, Belgium

Average temperature in October - Hoeilaart, Belgium
  • Average high temperature in October: 15°C

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).

  • Average low temperature in October: 8°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).

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Average pressure in October
Hoeilaart, Belgium

Average pressure in October - Hoeilaart, Belgium
  • Average pressure in October: 1016.4mbar

The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).

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Average wind speed in October
Hoeilaart, Belgium

Average wind speed in October - Hoeilaart, Belgium
  • Average wind speed in October: 14km/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).

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Average humidity in October
Hoeilaart, Belgium

Average humidity in October - Hoeilaart, Belgium
  • Average humidity in October: 83%

The month with the highest relative humidity is December (88%).
Months with the lowest relative humidity are April, July and August (75%).

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Average rainfall in October
Hoeilaart, Belgium

Average rainfall in October - Hoeilaart, Belgium
  • Average rainfall in October: 35mm

The wettest month (with the highest rainfall) is December (54mm).
The driest month (with the least rainfall) is April (25mm).

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Average rainfall days in October
Hoeilaart, Belgium

Average rainfall days in October - Hoeilaart, Belgium
  • Average rainfall days in October: 14.5 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).

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Average snowfall in October
Hoeilaart, Belgium

Average snowfall in October - Hoeilaart, Belgium
  • Average snowfall in October: 2mm

The month with the highest snowfall is January (34mm).
Months with the least snowfall are April, May, June, July, August and September (0mm).

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Average snowfall days in October
Hoeilaart, Belgium

Average snowfall days in October - Hoeilaart, Belgium
  • Average snowfall days in October: 0.1 days

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).

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Average daylight in October /
Average sunshine in October
Hoeilaart, Belgium

Average daylight in October / Average sunshine in October - Hoeilaart, Belgium
  • Average daylight in October: 10.7h

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

  • Average sunshine in October: 5.5h

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

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Average sunshine days in October
Hoeilaart, Belgium

Average sunshine days in October - Hoeilaart, Belgium
  • Average sunshine days in October: 13.5 days

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).

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Average UV index in October
Hoeilaart, Belgium

Average UV index in October - Hoeilaart, Belgium
  • Average UV index in October: 3

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Hoeilaart, Belgium

Average cloud cover in October - Hoeilaart, Belgium
  • Average cloud cover in October: 49

The month with the most cloud cover is December (Cloud cover 62).
Months with the least cloud cover are April and August (Cloud cover 42).

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Average visibility in October
Hoeilaart, Belgium

Average visibility in October - Hoeilaart, Belgium
  • Average visibility in October: 9km

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).

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