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
Weather in January
Temperature
With an average high-temperature of 5.8°C (42.4°F) and an average low-temperature of 3.3°C (37.9°F), January is the coldest month in Alphen aan den Rijn.Humidity
The months with the highest humidity in Alphen aan den Rijn are January and December, with an average relative humidity of 83%.Rainfall
In Alphen aan den Rijn, in January, during 16.6 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 183.4 rainfall days, and 400mm (15.75") of precipitation is accumulated.Snowfall
Months with snowfall in Alphen aan den Rijn are January through March, November and December. In Alphen aan den Rijn, in January, during 2.3 snowfall days, 10mm (0.39") of snow is typically accumulated. Throughout the year, there are 9.5 snowfall days, and 46mm (1.81") of snow is accumulated.Daylight
In Alphen aan den Rijn, the average length of the day in January is 8h and 22min.On the first day of January, sunrise is at 08:49 and sunset at 16:39. On the last day of the month, sunrise is at 08:23 and sunset at 17:25 CET.
Sunshine
In January, the average sunshine in Alphen aan den Rijn, Netherlands, is 3.7h.UV index
The months with the lowest UV index in Alphen aan den Rijn are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What part of the year is the coldest in Alphen aan den Rijn?
Is it cold in Alphen aan den Rijn during January?
What are the most humid months in Alphen aan den Rijn?
What is the average humidity in January in Alphen aan den Rijn?
How many days does it rain in January in Alphen aan den Rijn?
How much does it snow in Alphen aan den Rijn in January?
What is the average length of the day in January in Alphen aan den Rijn?
What time are sunrise and sunset in January in Alphen aan den Rijn?
How many hours of sunshine does Alphen aan den Rijn have in January?
What is the month with the lowest UV index in Alphen aan den Rijn?
How high is the UV index in January in Alphen aan den Rijn?
Average temperature in January
Alphen aan den Rijn, Netherlands
- Average high temperature in January: 5.8°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in January: 3.3°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in January
Alphen aan den Rijn, Netherlands
- Average pressure in January: 1014.6mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in January
Alphen aan den Rijn, Netherlands
- Average wind speed in January: 23.3km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (16.1km/h).
Average humidity in January
Alphen aan den Rijn, Netherlands
- Average humidity in January: 83%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in January
Alphen aan den Rijn, Netherlands
- Average rainfall in January: 30mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in January
Alphen aan den Rijn, Netherlands
- Average rainfall days in January: 16.6 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in January
Alphen aan den Rijn, Netherlands
- Average snowfall in January: 10mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Alphen aan den Rijn, Netherlands
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is February (3.8 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
Alphen aan den Rijn, Netherlands
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in January
Alphen aan den Rijn, Netherlands
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in January
Alphen aan den Rijn, Netherlands
- 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
Alphen aan den Rijn, Netherlands
- Average cloud cover in January: 62
The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in January
Alphen aan den Rijn, Netherlands
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
Alphen aan den Rijn, Netherlands
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