January weather forecast and climate
Rotselaar, Belgium

Weather in January

January, like December, in Rotselaar, Belgium, is a wintry winter month, with average temperature varying between 1°C (33.8°F) and 4.9°C (40.8°F).

Temperature

The coldest month is January, with an average high-temperature of 4.9°C (40.8°F) and an average low-temperature of 1°C (33.8°F).

Humidity

The average relative humidity in Rotselaar is 86%.

Rainfall

In Rotselaar, during 17 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Rotselaar, Belgium, during the entire year, the rain falls for 162 days and collects up to 393mm (15.47") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In January, it is snowing for 4.4 days. Throughout January, 34mm (1.34") of snow is accumulated. Throughout the year, in Rotselaar, Belgium, there are 14.4 snowfall days, and 108mm (4.25") of snow is accumulated.

Daylight

The average length of the day in Rotselaar, Belgium, is 8.5h.

Sunshine

In January, the average sunshine in Rotselaar is 3.9h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Rotselaar?

The coldest month in Rotselaar is January, with an average high-temperature of 4.9°C (40.8°F) and an average low-temperature of 1°C (33.8°F).

What is the temperature in January in Rotselaar?

In Rotselaar, in January, the average high-temperature is 4.9°C (40.8°F), and the average low-temperature is 1°C (33.8°F).

What is the average humidity in January in Rotselaar?

In January, the average relative humidity in Rotselaar, Belgium, is 86%.

How many days does it rain in January in Rotselaar?

In Rotselaar, in January, it is raining for 17 days, with typically 42mm (1.65") of accumulated precipitation.

How much does it snow in Rotselaar in January?

In Rotselaar, Belgium, in January, snow falls for 4.4 days, with typically accumulated 34mm (1.34") of snow.

How many hours of daylight does Rotselaar have in January?

In January, the average length of the day in Rotselaar, Belgium, is 8.5h.

How long on average sun shines in January in Rotselaar?

In Rotselaar, the average sunshine in January is 3.9h.

What are the months with the lowest UV index in Rotselaar?

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

How high is the UV index in January in Rotselaar?

In Rotselaar, Belgium, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in January
Rotselaar, Belgium

Average temperature in January - Rotselaar, Belgium
  • Average high temperature in January: 4.9°C

The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in January: 1°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1°C).

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Average pressure in January
Rotselaar, Belgium

Average pressure in January - Rotselaar, Belgium
  • Average pressure in January: 1016.2mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).

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Average wind speed in January
Rotselaar, Belgium

Average wind speed in January - Rotselaar, Belgium
  • Average wind speed in January: 17.2km/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 January
Rotselaar, Belgium

Average humidity in January - Rotselaar, Belgium
  • Average humidity in January: 86%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in January
Rotselaar, Belgium

Average rainfall in January - Rotselaar, Belgium
  • Average rainfall in January: 42mm

The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is September (16mm).

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Average rainfall days in January
Rotselaar, Belgium

Average rainfall days in January - Rotselaar, Belgium
  • Average rainfall days in January: 17 days

The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is September (8.5 days).

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Average snowfall in January
Rotselaar, Belgium

Average snowfall in January - Rotselaar, Belgium
  • Average snowfall in January: 34mm

The month with the highest snowfall is February (41mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in January
Rotselaar, Belgium

Average snowfall days in January - Rotselaar, Belgium
  • Average snowfall days in January: 4.4 days

The month with the highest number of snowfall days is February (5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Rotselaar, Belgium

Average daylight in January / Average sunshine in January - Rotselaar, Belgium
  • Average daylight in January: 8.5h

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8h).

  • Average sunshine in January: 3.9h

The month with the most sunshine is July (Average sunshine: 9.2h).
The month with the least sunshine is December (Average sunshine: 3.8h).

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Average sunshine days in January
Rotselaar, Belgium

Average sunshine days in January - Rotselaar, Belgium
  • Average sunshine days in January: 8.8 days

The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is February (8.7 days).

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Average UV index in January
Rotselaar, Belgium

Average UV index in January - Rotselaar, Belgium
  • Average UV index in January: 2

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 January
Rotselaar, Belgium

Average cloud cover in January - Rotselaar, Belgium
  • Average cloud cover in January: 61

The month with the most cloud cover is December (Cloud cover 62).
Months with the least cloud cover are April and August (Cloud cover 41).

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Average visibility in January
Rotselaar, Belgium

Average visibility in January - Rotselaar, Belgium
  • Average visibility in January: 8km

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

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