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

October weather forecast and climate
Brest, France

October, the same as September, in Brest, France, is another mild autumn month, with average temperature varying between 9.6°C (49.3°F) and 15.7°C (60.3°F).

Temperature

In October, the average high-temperature marginally drops, from an enjoyable 19.1°C (66.4°F) in September, to a moderate 15.7°C (60.3°F). In October, the average low-temperature is 9.6°C (49.3°F).

Humidity

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

Rainfall

In Brest, during 15.7 rainfall days, 129mm (5.08") of precipitation is typically accumulated. Throughout the year, there are 159 rainfall days, and 1210mm (47.64") of precipitation is accumulated.

Snowfall

In Brest snow does not fall in June through October.

Sea temperature

In Brest, France, the average seawater temperature in October is 15.3°C (59.5°F).
Note: Swimming in 15.3°C (59.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

The average length of the day in Brest is 10.8h.

Sunshine

In October, the average sunshine in Brest is 3.5h.

UV index

In Brest, France, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. 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.

What is the temperature in October in Brest?

The average high-temperature, in October, in Brest, is 15.7°C (60.3°F), while the average low-temperature is 9.6°C (49.3°F).

What are the most humid months in Brest?

January, October and December, with an average relative humidity of 86%, are most humid months in Brest.

What is the average humidity in October in Brest?

The average relative humidity in October in Brest is 86%.

How much does it rain in Brest in October?

In Brest, France, in October, during 15.7 rainfall days, 129mm (5.08") of precipitation is typically accumulated.

Does it snow in Brest in October?

In Brest, in October, it doesn't snow. In November, it regularly snows.

When it does not snow in Brest?

In Brest, France, snow does not fall in June through October.

How cold is the water in October in Brest?

In Brest, the average seawater temperature in October is 15.3°C (59.5°F). Swimming in 15.3°C (59.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in October in Brest?

In Brest, the average length of the day in October is 10.8h.

How many hours of sunshine does Brest have in October?

In October, the average sunshine is 3.5h.

How high is the UV index in October in Brest?

In October, the average daily maximum UV index in Brest is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in October - Brest, France
  • Average high temperature in October: 15.7°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 October: 9.6°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 October - Brest, France
  • Average humidity in October: 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 October - Brest, France
  • Average rainfall in October: 129mm

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 October - Brest, France
  • Average rainfall days in October: 15.7 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 October - Brest, France
  • Average snowfall days in October: 0 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 October - Brest, France
  • Average sea temperature in October: 15.3°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 October / Average sunshine in October - Brest, France
  • Average daylight in October: 10.8h

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 October: 3.5h

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 October - Brest, France
  • Average UV index in October: 3

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).