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
With an average high-temperature of 5.1°C (41.2°F) and an average low-temperature of 1.1°C (34°F), January is the coldest month.Humidity
In January, the average relative humidity is 87%.Rainfall
In January, the rain falls for 16.8 days. Throughout January, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 199.1 rainfall days, and 535mm (21.06") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In January, it is snowing for 4.8 days. Throughout January, 35mm (1.38") of snow is accumulated. In Jette, during the entire year, snow falls for 16.4 days and aggregates up to 133mm (5.24") of snow.Daylight
In Jette, the average length of the day in January is 8h and 32min.On the first day of January, sunrise is at 08:45 and sunset at 16:46. On the last day of the month, sunrise is at 08:20 and sunset at 17:31 CET.
Sunshine
In January, the average sunshine is 3.9h.UV index
The months with the lowest UV index in Jette, Belgium, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Jette?
How cold is it in Jette in January?
What is the average humidity in January in Jette?
How much does it rain in Jette in January?
How many days does it snow in January in Jette?
How many hours of daylight does Jette have in January?
When is the sunrise / sunset in January in Jette?
How many hours of sunshine does Jette have in January?
When is the lowest UV index in Jette?
What is the UV index reading in January in Jette?
Average temperature in January
Jette, Belgium
- Average high temperature in January: 5.1°C
The warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in January: 1.1°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in January
Jette, Belgium
- Average pressure in January: 1016.1mbar
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
Jette, Belgium
- Average wind speed in January: 17.1km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in January
Jette, Belgium
- Average humidity in January: 87%
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 in January
Jette, Belgium
- Average rainfall in January: 43mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in January
Jette, Belgium
- Average rainfall days in January: 16.8 days
The months with the highest number of rainy days are May and July (18.8 days).
The months with the least rainy days are February and September (13.7 days).
Average snowfall in January
Jette, Belgium
- Average snowfall in January: 35mm
The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Jette, Belgium
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is February (5.2 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
Jette, Belgium
- Average daylight in January: 8h and 3min
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
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in January
Jette, Belgium
- Average sunshine days in January: 9.3 days
The month with the most sunshine days is March (12.5 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in January
Jette, 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
Jette, Belgium
- Average cloud cover in January: 62
The months with the most cloud cover are January and December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in January
Jette, 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).
