Trewen monthly weather averages

Average daytime temperature

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

Trewen average temperature chart (Celsius) Trewen average temperature chart (Fahrenheit)
Average monthly temperatures in Trewen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.6 7.4 9.1 11.3 14 16.9 18.8 18.6 16.8 14 10.4 8.6
°F 45.7 45.3 48.3 52.3 57.3 62.5 65.8 65.5 62.2 57.2 50.8 47.5

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.

Trewen monthly rainfall chart (mm) Trewen monthly rainfall chart (inches)
Average monthly rainfall in Trewen (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 171 117 114 75 81 76 83 98 109 139 149 167
inches 6.7 4.6 4.5 3 3.2 3 3.3 3.8 4.3 5.5 5.9 6.6
Rainy days 21 16 18 15 15 14 13 15 16 18 20 21

Average annual rainfall in Trewen: 1425.966mm (561.4 inches)

Average daily sunshine

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

Trewen average daily sunshine chart
Average daily sunshine Trewen
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 3 4.3 6.4 7.3 7.3 7.1 6.7 5.5 3.7 2.7 1.9

Day / night temperatures

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

Trewen average minimum / maximum temperatures (Celsius) Trewen average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Trewen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.7 2.3 3.2 4.6 7.2 9.9 11.9 11.8 10.3 8.3 5.1 3.7
Max °C 7.8 7.5 9.2 11.5 14.2 17.1 19 18.8 17 14.2 10.6 8.8
Min °F 36.8 36.1 37.8 40.2 45 49.8 53.3 53.2 50.5 46.9 41.1 38.6
Max °F 41.4 40.8 43.2 46.4 51.3 56.3 59.7 59.5 56.5 52.2 46 43.2

Sea temperature

The graph below shows the average sea temperature.

Trewen average sea temperature chart (Celsius) Trewen average sea temperature chart (Fahrenheit)
Average sea temperature around Trewen in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.2 9.4 9.2 9.8 11.4 13.6 15.7 16.6 16.1 14.7 13 11.5
°F 50.4 48.9 48.5 49.7 52.6 56.5 60.2 61.9 61 58.5 55.4 52.7

Wind speed

The graph below shows the average wind speed.

Trewen average winspeed by month (km/h) Trewen average winspeed by month (mph)
Average wind speed in Trewen (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 23 22 21 19 18 17 16 17 18 19 21 22
mph 14 14 13 12 11 10 10 10 11 12 13 14

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.

Trewen relative humidity averages
Average relative humidity in Trewen
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
92% 90% 87% 84% 84% 85% 85% 86% 88% 90% 90% 92%

Other monthly averages

UV index Best time to go?

Trewen weather stats

Trewen weather statistics
Hottest month: July 18.8°C 65.8°F
Driest month: April 75mm 3ins
Sunniest month: May 7.3hrs
Coldest month: February 7.4°C 45.3°F
Wettest month: January 171mm 6.7ins
Warmest sea: August 16.6°C 61.9°F
Map showing location of Trewen (50.61667, -4.46667) Trewen map pin © Google

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