Cwmbran monthly weather averages

Average daytime temperature

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

Cwmbran average temperature chart (Celsius) Cwmbran average temperature chart (Fahrenheit)
Average monthly temperatures in Cwmbran (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.8 6.9 9.2 12 15.3 18.3 20.3 19.9 17.5 14 9.8 7.8
°F 44.3 44.4 48.6 53.5 59.5 65 68.5 67.9 63.5 57.2 49.6 46

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.

Cwmbran monthly rainfall chart (mm) Cwmbran monthly rainfall chart (inches)
Average monthly rainfall in Cwmbran (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 126 92 94 70 72 71 65 87 103 112 116 130
inches 4.9 3.6 3.7 2.8 2.8 2.8 2.5 3.4 4 4.4 4.6 5.1
Rainy days 20 14 17 15 15 14 12 15 15 18 18 19

Average annual rainfall in Cwmbran: 1186mm (466.9 inches)

Average daily sunshine

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

Cwmbran average daily sunshine chart
Average daily sunshine Cwmbran
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.8 2.6 3.9 5.4 6.5 7.1 6.5 6.3 4.9 3.3 2.5 1.7

Day / night temperatures

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

Cwmbran average minimum / maximum temperatures (Celsius) Cwmbran average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Cwmbran (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.5 1.2 2.4 3.9 6.7 9.7 11.5 11.5 9.7 7.3 3.9 2.3
Max °C 7 7 9.4 12.2 15.5 18.6 20.5 20.2 17.7 14.2 10 7.9
Min °F 34.6 34.2 36.3 38.9 44.1 49.4 52.7 52.6 49.5 45.1 38.9 36.1
Max °F 39.6 39.4 42.6 46.4 52 57.4 60.8 60.4 56.7 51.3 44.4 41.2

Sea temperature

The graph below shows the average sea temperature.

Cwmbran average sea temperature chart (Celsius) Cwmbran average sea temperature chart (Fahrenheit)
Average sea temperature around Cwmbran in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.2 9.3 9.2 9.9 11.2 13.1 15.1 16.2 16.1 14.9 13.3 11.6
°F 50.3 48.8 48.6 49.8 52.2 55.6 59.1 61.2 60.9 58.8 55.9 52.9

Wind speed

The graph below shows the average wind speed.

Cwmbran average winspeed by month (km/h) Cwmbran average winspeed by month (mph)
Average wind speed in Cwmbran (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 18 19 17 16 16 15 15 16 16 18 19
mph 12 11 12 11 10 10 9 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.

Cwmbran relative humidity averages
Average relative humidity in Cwmbran
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 89% 85% 83% 82% 83% 83% 84% 87% 90% 90% 92%

Other monthly averages

UV index Best time to go?

Cwmbran weather stats

Cwmbran weather statistics
Hottest month: July 20.3°C 68.5°F
Driest month: July 65mm 2.6ins
Sunniest month: August 6.3hrs
Coldest month: February 6.9°C 44.4°F
Wettest month: December 130mm 5.1ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Cwmbran (51.65446, -3.02281) Cwmbran map pin © Google

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