Saint-Cast-le-Guildo monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Saint-Cast-le-Guildo

Saint-Cast-le-Guildo average temperature chart (Celsius) Saint-Cast-le-Guildo average temperature chart (Fahrenheit)
Average monthly temperatures in Saint-Cast-le-Guildo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 8.7 10.8 13 16.2 19.2 21.5 21.2 19.4 15.9 11.5 9
°F 46.8 47.6 51.4 55.4 61.2 66.6 70.6 70.2 67 60.6 52.7 48.3

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-Cast-le-Guildo monthly rainfall chart (mm) Saint-Cast-le-Guildo monthly rainfall chart (inches)
Average monthly rainfall in Saint-Cast-le-Guildo (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 85 70 64 50 57 47 40 47 62 76 96 91
inches 3.3 2.8 2.5 2 2.2 1.9 1.6 1.9 2.4 3 3.8 3.6
Rainy days 20 16 16 14 14 11 11 12 13 15 19 18

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Saint-Cast-le-Guildo

Saint-Cast-le-Guildo average daily sunshine chart
Average daily sunshine Saint-Cast-le-Guildo
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.3 3.6 4.9 6.7 7.9 8.5 8.8 7.9 6.4 4.6 3 2.3

Day / night temperatures

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

Saint-Cast-le-Guildo average minimum / maximum temperatures (Celsius) Saint-Cast-le-Guildo average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Saint-Cast-le-Guildo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.5 3.4 4.5 6.1 8.8 11.4 13.4 13.6 12.2 9.8 6.4 4.5
Max °C 8.4 8.8 11 13.2 16.4 19.4 21.7 21.4 19.6 16.1 11.7 9.2
Min °F 38.2 38.1 40 42.9 47.8 52.5 56 56.5 54 49.6 43.4 40
Max °F 42.6 43 45.9 49.3 54.7 59.7 63.5 63.5 60.6 55.2 48.2 44.2

Sea temperature

The graph below shows the average sea temperature.

Saint-Cast-le-Guildo average sea temperature chart (Celsius) Saint-Cast-le-Guildo average sea temperature chart (Fahrenheit)
Average sea temperature around Saint-Cast-le-Guildo 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-Cast-le-Guildo average winspeed by month (km/h) Saint-Cast-le-Guildo average winspeed by month (mph)
Average wind speed in Saint-Cast-le-Guildo (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 19 18 17 16 16 15 16 16 18 19
mph 12 12 12 11 11 10 10 9 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-Cast-le-Guildo relative humidity averages
Average relative humidity in Saint-Cast-le-Guildo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
87% 85% 81% 79% 79% 78% 78% 79% 80% 83% 85% 85%

Other monthly averages

UV index Best time to go?

Saint-Cast-le-Guildo weather stats

Saint-Cast-le-Guildo weather statistics
Hottest month: July 21.5°C 70.7°F
Driest month: July 40mm 1.6ins
Sunniest month: July 8.8hrs
Coldest month: January 8.2°C 46.8°F
Wettest month: November 96mm 3.8ins
Warmest sea: August 17.6°C 63.7°F
Map showing location of Saint-Cast-le-Guildo (48.63028, -2.25777)

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