Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average UV index in January
January
Weather in January
Temperature
The month of January sees the lowest average temperatures, reaching 9.3°C (48.7°F) at the peak and 4.4°C (39.9°F) at the low.Humidity
January, October and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Brest, France, in January, it is raining for 17.7 days, with typically 144mm (5.67") of accumulated precipitation. Throughout the year, there are 159 rainfall days, and 1210mm (47.64") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Brest, during January, snow falls for 2 days. Throughout the year, there are 8.4 snowfall days.Sea temperature
In January, the average sea temperature is 10.9°C (51.6°F).Note: Swimming in 10.9°C (51.6°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
In Brest, France, the average length of the day in January is 8h and 51min.On the first day of the month, sunrise is at 09:09 and sunset at 17:33. On the last day of January, in Brest, sunrise is at 08:48 and sunset at 18:14 CET.
Sunshine
The month with the least sunshine in Brest is January, with an average of 2h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Brest, France. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in January converts into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Brest?
What are the temperatures in Brest in January?
What are the most humid months in Brest?
What is the average humidity in January in Brest?
How many days does it rain in January in Brest?
How many days does it snow in January in Brest?
What is the water temperature in January in Brest?
How many hours of daylight does Brest have in January?
What time are sunrise and sunset in January in Brest?
What is the month with the least sunshine in Brest?
How long on average sun shines in January in Brest?
When is the lowest UV index in Brest?
How high is the UV index in January in Brest?
Average temperature in January
Brest, France
- Average high temperature in January: 9.3°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in January: 4.4°C
The months with the highest average low temperature are July and August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).
Average humidity in January
Brest, France
- Average humidity in January: 86%
The months with the highest relative humidity are January, October and December (86%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in January
Brest, France
- Average rainfall in January: 143.8mm
The wettest month (with the highest rainfall) is December (147.8mm).
The driest month (with the least rainfall) is June (59.8mm).
Average rainfall days in January
Brest, France
- Average rainfall days in January: 17.7 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is June (8.6 days).
Average snowfall days in January
Brest, France
- Average snowfall days in January: 2 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in January
Brest, France
- Average sea temperature in January: 10.9°C
The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (10.2°C).
Average daylight in January /
Average sunshine in January
Brest, 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: 2h and 0min
The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average UV index in January
Brest, France
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).
