January weather forecast
Boissy-aux-Cailles, France

January

Weather in January

January, like December, is a frosty winter month in Boissy-aux-Cailles, France, with temperature in the range of an average high of 6°C (42.8°F) and an average low of 1.8°C (35.2°F).

Temperature

January stands out as Boissy-aux-Cailles's coldest month, with an average high-temperature of 6°C (42.8°F) and a low-temperature of 1.8°C (35.2°F).

Humidity

The months with the highest humidity in Boissy-aux-Cailles are January and December, with an average relative humidity of 86%.

Rainfall

In Boissy-aux-Cailles, in January, during 13.3 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Boissy-aux-Cailles, during the entire year, the rain falls for 153.5 days and collects up to 330mm (12.99") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Boissy-aux-Cailles, during January, snow falls for 2.4 days and regularly aggregates up to 14mm (0.55") of snow. Throughout the year, in Boissy-aux-Cailles, there are 8.2 snowfall days, and 51mm (2.01") of snow is accumulated.

Daylight

In January, the average length of the day in Boissy-aux-Cailles is 8h and 52min.
On the first day of January in Boissy-aux-Cailles, sunrise is at 08:41 and sunset at 17:05. On the last day of the month, sunrise is at 08:20 and sunset at 17:46 CET.

Sunshine

January has the least sunshine of the year in Boissy-aux-Cailles, with an average of 3.9h of sunshine.

UV index

The months with the lowest UV index in Boissy-aux-Cailles are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 in January translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

What time of the year is the coldest in Boissy-aux-Cailles?
With average temperatures fluctuating between a high of 6°C (42.8°F) and a low of 1.8°C (35.2°F), January stands out as the coldest month.
How cold is it in Boissy-aux-Cailles in January?
In Boissy-aux-Cailles, 6°C (42.8°F) is the average high-temperature and 1.8°C (35.2°F) is the average low-temperature during January.
What is the most humid month in Boissy-aux-Cailles?
The months with the highest humidity are January and December, with an average relative humidity of 86%.
What is the average humidity in January in Boissy-aux-Cailles?
In January, the average relative humidity is 86%.
How many days does it rain in January in Boissy-aux-Cailles?
In Boissy-aux-Cailles, France, during January, the rain falls for 13.3 days and regularly aggregates up to 20mm (0.79") of precipitation.
How much does it snow in Boissy-aux-Cailles in January?
In Boissy-aux-Cailles, France, in January, during 2.4 snowfall days, 14mm (0.55") of snow is typically accumulated.
How many hours of daylight does Boissy-aux-Cailles have in January?
The average day length in January is 8h and 52min.
What time are sunrise and sunset in January in Boissy-aux-Cailles?
On the first day of January in Boissy-aux-Cailles, France, sunrise is at 08:41 and sunset at 17:05. On the last day of the month, sunrise is at 08:20 and sunset at 17:46 CET.
What is the month with the least sunshine in Boissy-aux-Cailles?
The month with the least sunshine in Boissy-aux-Cailles is January, with an average of 3.9h of sunshine.
How many hours of sunshine does Boissy-aux-Cailles have in January?
In January, the average sunshine duration in Boissy-aux-Cailles is 3.9h.
What is the month with the lowest UV index in Boissy-aux-Cailles?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Boissy-aux-Cailles.
What is the UV index intensity in January in Boissy-aux-Cailles?
In Boissy-aux-Cailles, France, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Boissy-aux-Cailles, France
Average temperature in January
Boissy-aux-Cailles, France
  • Average high temperature in January: 6°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (6°C).

  • Average low temperature in January: 1.8°C

The month with the highest average low temperature is August (15°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).

Average pressure in January - Boissy-aux-Cailles, France
Average pressure in January
Boissy-aux-Cailles, France
  • Average pressure in January: 1017.8mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).

Average wind speed in January - Boissy-aux-Cailles, France
Average wind speed in January
Boissy-aux-Cailles, France
  • Average wind speed in January: 14.4km/h

The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in January - Boissy-aux-Cailles, France
Average humidity in January
Boissy-aux-Cailles, 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 (69%).

Average rainfall in January - Boissy-aux-Cailles, France
Average rainfall in January
Boissy-aux-Cailles, France
  • Average rainfall in January: 20mm

The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in January - Boissy-aux-Cailles, France
Average rainfall days in January
Boissy-aux-Cailles, France
  • Average rainfall days in January: 13.3 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is September (9.1 days).

Average snowfall in January - Boissy-aux-Cailles, France
Average snowfall in January
Boissy-aux-Cailles, France
  • Average snowfall in January: 14mm

The months with the highest snowfall are February and December (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in January - Boissy-aux-Cailles, France
Average snowfall days in January
Boissy-aux-Cailles, France
  • Average snowfall days in January: 2.4 days

The month with the highest number of snowfall days is February (2.7 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 - Boissy-aux-Cailles, France
Average daylight in January /
Average sunshine in January
Boissy-aux-Cailles, France
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in January - Boissy-aux-Cailles, France
Average sunshine days in January
Boissy-aux-Cailles, France
  • Average sunshine days in January: 13.6 days

The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is June (11 days).

Average UV index in January - Boissy-aux-Cailles, France
Average UV index in January
Boissy-aux-Cailles, 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 - Boissy-aux-Cailles, France
Average cloud cover in January
Boissy-aux-Cailles, France
  • Average cloud cover in January: 60

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).

Average visibility in January - Boissy-aux-Cailles, France
Average visibility in January
Boissy-aux-Cailles, France
  • Average visibility in January: 9km

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

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