Saint-Brieuc monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Saint-Brieuc

Saint-Brieuc average temperature chart (Celsius) Saint-Brieuc average temperature chart (Fahrenheit)
Average monthly temperatures in Saint-Brieuc (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 8.5 10.4 12.5 15.5 18.6 20.7 20.5 18.9 15.6 11.5 9.2
°F 46.8 47.4 50.7 54.5 59.9 65.4 69.2 68.9 66 60.1 52.8 48.5

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Saint-Brieuc monthly rainfall chart (mm) Saint-Brieuc monthly rainfall chart (inches)
Average monthly rainfall in Saint-Brieuc (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 97 81 72 54 59 49 42 51 68 82 104 104
inches 3.8 3.2 2.8 2.1 2.3 1.9 1.6 2 2.7 3.2 4.1 4.1
Rainy days 20 17 17 15 15 12 11 12 13 16 19 19

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Saint-Brieuc

Saint-Brieuc average daily sunshine chart
Average daily sunshine Saint-Brieuc
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.3 3.5 4.8 6.6 7.8 8.4 8.7 7.8 6.3 4.5 3 2.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Saint-Brieuc average minimum / maximum temperatures (Celsius) Saint-Brieuc average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Saint-Brieuc (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.7 3.6 4.5 6 8.6 11.3 13.2 13.4 12.2 9.9 6.6 4.7
Max °C 8.4 8.7 10.6 12.7 15.7 18.8 20.9 20.7 19.1 15.8 11.7 9.3
Min °F 38.6 38.4 40 42.7 47.4 52.3 55.7 56 53.9 49.7 43.8 40.5
Max °F 42.8 43 45.5 48.7 53.8 59 62.6 62.6 60.1 55 48.4 44.6

Sea temperature

The graph below shows the average sea temperature.

Saint-Brieuc average sea temperature chart (Celsius) Saint-Brieuc average sea temperature chart (Fahrenheit)
Average sea temperature around Saint-Brieuc in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.6 9.6 9.5 10.5 12.4 14.8 16.8 17.6 17 15.5 13.7 11.9
°F 51 49.3 49.2 50.9 54.3 58.7 62.2 63.8 62.6 60 56.7 53.4

Wind speed

The graph below shows the average wind speed.

Saint-Brieuc average winspeed by month (km/h) Saint-Brieuc average winspeed by month (mph)
Average wind speed in Saint-Brieuc (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 19 19 17 16 16 16 16 17 18 20
mph 12 12 12 12 11 10 10 10 10 10 11 12

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Saint-Brieuc relative humidity averages
Average relative humidity in Saint-Brieuc
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
87% 85% 82% 80% 80% 80% 80% 81% 82% 84% 85% 86%

Other monthly averages

UV index Best time to go?

Saint-Brieuc weather stats

Saint-Brieuc weather statistics
Hottest month: July 20.7°C 69.3°F
Driest month: July 42mm 1.7ins
Sunniest month: July 8.7hrs
Coldest month: January 8.2°C 46.8°F
Wettest month: November 104mm 4.1ins
Warmest sea: August 17.6°C 63.7°F
Map showing location of Saint-Brieuc (48.51667, -2.78333)

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