Trégastel monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Trégastel

Trégastel average temperature chart (Celsius) Trégastel average temperature chart (Fahrenheit)
Average monthly temperatures in Trégastel (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.5 8.6 10.3 12.2 15.1 18 20.2 20 18.4 15.5 11.6 9.5
°F 47.4 47.5 50.5 54 59.2 64.5 68.4 68.1 65.2 59.8 52.9 49.2

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.

Trégastel monthly rainfall chart (mm) Trégastel monthly rainfall chart (inches)
Average monthly rainfall in Trégastel (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 112 94 81 59 62 52 46 59 76 89 113 119
inches 4.4 3.7 3.2 2.3 2.4 2 1.8 2.3 3 3.5 4.4 4.7
Rainy days 21 17 18 15 15 12 11 13 14 16 19 20

Average annual rainfall in Trégastel: 1007.733mm (396.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Trégastel

Trégastel average daily sunshine chart
Average daily sunshine Trégastel
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.3 3.4 4.6 6.5 7.8 8.3 8.5 7.6 6.2 4.4 3 2.3

Day / night temperatures

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

Trégastel average minimum / maximum temperatures (Celsius) Trégastel average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Trégastel (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4 3.9 4.6 6 8.5 11 13 13.2 12 10 6.7 5
Max °C 8.7 8.8 10.4 12.4 15.3 18.2 20.4 20.2 18.6 15.6 11.8 9.7
Min °F 39.1 38.9 40.3 42.8 47.3 51.8 55.4 55.8 53.6 50 44 40.9
Max °F 43.3 43.3 45.5 48.6 53.4 58.3 62.1 62.1 59.5 55 48.6 45.1

Sea temperature

The graph below shows the average sea temperature.

Trégastel average sea temperature chart (Celsius) Trégastel average sea temperature chart (Fahrenheit)
Average sea temperature around Trégastel in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11 10.2 10.1 10.8 12.5 14.9 16.8 17.6 16.8 15.3 13.6 12.1
°F 51.7 50.3 50.1 51.5 54.6 58.8 62.3 63.7 62.3 59.6 56.6 53.7

Wind speed

The graph below shows the average wind speed.

Trégastel average winspeed by month (km/h) Trégastel average winspeed by month (mph)
Average wind speed in Trégastel (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 19 19 17 16 16 15 16 17 18 20
mph 12 12 12 12 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.

Trégastel relative humidity averages
Average relative humidity in Trégastel
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
88% 86% 83% 81% 81% 81% 82% 83% 83% 85% 86% 87%

Other monthly averages

UV index Best time to go?

Trégastel weather stats

Trégastel weather statistics
Hottest month: July 20.2°C 68.4°F
Driest month: July 46mm 1.8ins
Sunniest month: July 8.5hrs
Coldest month: January 8.5°C 47.3°F
Wettest month: December 119mm 4.7ins
Warmest sea: August 17.6°C 63.7°F
Map showing location of Trégastel (48.81667, -3.5) Trégastel map pin © Google

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