Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
The lowest temperatures are recorded in January, with averages reaching a high of 4.9°C (40.8°F) and a low of 1°C (33.8°F).Humidity
In Rotselaar, the average relative humidity in January is 86%.Rainfall
In Rotselaar, in January, during 17 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, there are 162 rainfall days, and 393mm (15.47") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Rotselaar, in January, during 4.4 snowfall days, 34mm (1.34") of snow is typically accumulated. In Rotselaar, during the entire year, snow falls for 14.4 days and aggregates up to 108mm (4.25") of snow.Daylight
In Rotselaar, the average length of the day in January is 8h and 31min.On the first day of January, sunrise is at 08:43 and sunset at 16:44. On the last day of the month, sunrise is at 08:19 and sunset at 17:29 CET.
Sunshine
The average sunshine in January in Rotselaar is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 in January translates into this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold does it get in January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Rotselaar have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January?
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).
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).
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).
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%).
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).
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).
Average snowfall in January
Rotselaar, Belgium
- Average snowfall in January: 34mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Rotselaar, Belgium
- Average daylight in January: 8h and 3min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
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).
Average UV index in January
Rotselaar, Belgium
- Average UV index in January: 2
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 in January
Rotselaar, Belgium
- Average cloud cover in January: 61
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 41).
Average visibility in January
Rotselaar, Belgium
- Average visibility in January: 8km
The 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).
