Brest
France
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Brest, France

January, the same as December, in Brest, France, is another chilly winter month, with average temperature fluctuating between 4.4°C (39.9°F) and 9.3°C (48.7°F).

Temperature

The coldest month is January, with an average high-temperature of 9.3°C (48.7°F) and an average low-temperature of 4.4°C (39.9°F).

Humidity

Months with the highest humidity are January, October and December, with an average relative humidity of 86%.

Rainfall

In Brest, it is raining for 17.7 days, with typically 143.8mm (5.66") of accumulated precipitation. Throughout the year, there are 159 rainfall days, and 1210mm (47.64") of precipitation is accumulated.

Snowfall

Months with snowfall in Brest, France, are January through May, November and December. In January, in Brest, snow falls for 2 days. In Brest, during the entire year, snow falls for 8.4 days.

Sea temperature

In Brest, the average water temperature is 10.9°C (51.6°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In January, the average length of the day is 8.9h.

Sunshine

With an average of 2h of sunshine, January has the least sunshine of the year in Brest.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Brest. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Brest?

January is the coldest month, with an average high-temperature of 9.3°C (48.7°F) and an average low-temperature of 4.4°C (39.9°F).

What is the temperature in January in Brest?

In January, the average high-temperature is 9.3°C (48.7°F), and the average low-temperature is 4.4°C (39.9°F).

What are the most humid months in Brest?

Months with the highest humidity in Brest are January, October and December, with an average relative humidity of 86%.

What is the average humidity in January in Brest?

In January, the average relative humidity in Brest, France, is 86%.

How much does it rain in Brest in January?

In January, in Brest, the rain falls for 17.7 days. Throughout January, 143.8mm (5.66") of precipitation is accumulated.

How many days does it snow in January in Brest?

In Brest, France, during January, snow falls for 2 days.

What is the water temperature in January in Brest?

In January, the average sea temperature in Brest is 10.9°C (51.6°F). Swimming in 10.9°C (51.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Brest have in January?

In Brest, France, the average length of the day in January is 8.9h.

What is the month with the least sunshine in Brest?

With an average of 2h of sunshine, January has the least sunshine of the year in Brest.

How many hours of sunshine does Brest have in January?

In January, the average sunshine in Brest is 2h.

When is the lowest UV index in Brest?

Months with the lowest UV index are January, November and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Brest?

In January, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.
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

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%

Months with the highest relative humidity are January, October and December (86%).
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).
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: 8.9h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in January: 2h

The month with the most sunshine is June (Average sunshine: 6.4h).
The month with the least sunshine is January (Average sunshine: 2h).

Average UV index in January - Brest, France
  • Average UV index in January: 1

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, November and December (UV index 1).