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 its high average temperature of 6°C (42.8°F) and a low of 1.7°C (35.1°F), January is regarded as the coldest month.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 86%.Rainfall
In January, in Pontoise, the rain falls for 17.3 days. Throughout January, 39mm (1.54") of precipitation is accumulated. Throughout the year, there are 193.4 rainfall days, and 555mm (21.85") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Pontoise, in January, during 2.7 snowfall days, 22mm (0.87") of snow is typically accumulated. Throughout the year, in Pontoise, there are 9.2 snowfall days, and 81mm (3.19") of snow is accumulated.Daylight
In January, the average length of the day is 8h and 46min.On the first day of the month, sunrise is at 08:45 and sunset at 17:04. On the last day of January, in Pontoise, sunrise is at 08:24 and sunset at 17:45 CET.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year in Pontoise.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Pontoise. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. 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. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What part of the year is the coldest in Pontoise?
Is it cold in Pontoise during January?
What are the most humid months in Pontoise?
What is the average humidity in January in Pontoise?
How many days does it rain in January in Pontoise?
How much does it snow in Pontoise in January?
What is the average length of the day in January in Pontoise?
When are sunrise and sunset in January in Pontoise?
What is the month with the least sunshine in Pontoise?
How long on average sun shines in January in Pontoise?
What is the month with the lowest UV index in Pontoise?
How high is the UV index in January in Pontoise?
Average temperature in January
Pontoise, France
- Average high temperature in January: 6°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in January: 1.7°C
The month with the highest average low temperature is August (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (1.7°C).
Average pressure in January
Pontoise, France
- Average pressure in January: 1017.3mbar
The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in January
Pontoise, France
- Average wind speed in January: 14.9km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in January
Pontoise, France
- Average humidity in January: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Pontoise, France
- Average rainfall in January: 39mm
The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in January
Pontoise, France
- Average rainfall days in January: 17.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in January
Pontoise, France
- Average snowfall in January: 22mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Pontoise, France
- Average snowfall days in January: 2.7 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Pontoise, France
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Pontoise, France
- Average sunshine days in January: 9.3 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is June (8 days).
Average UV index in January
Pontoise, France
- 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
Pontoise, France
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in January
Pontoise, France
- Average visibility in January: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
Pontoise, France
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