Chepstow monthly weather averages

Contents

Average daytime temperature

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

Chepstow average temperature chart (Celsius) Chepstow average temperature chart (Fahrenheit)
Average monthly temperatures in Chepstow (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7 7.1 9.5 12.3 15.7 18.9 20.8 20.3 17.8 14.2 10 7.8
°F 44.5 44.8 49.1 54.1 60.2 66 69.4 68.6 64 57.5 49.9 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.

Chepstow monthly rainfall chart (mm) Chepstow monthly rainfall chart (inches)
Average monthly rainfall in Chepstow (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 92 69 70 57 64 60 56 68 78 83 86 97
inches 3.6 2.7 2.8 2.2 2.5 2.4 2.2 2.7 3.1 3.3 3.4 3.8
Rainy days 19 14 17 15 15 13 11 14 14 17 17 18

Average annual rainfall in Chepstow: 928.633mm (365.6 inches)

Average daily sunshine

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

Chepstow average daily sunshine chart
Average daily sunshine Chepstow
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 2.6 3.9 5.3 6.4 7.2 6.6 6.3 5 3.4 2.5 1.8

Day / night temperatures

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

Chepstow average minimum / maximum temperatures (Celsius) Chepstow average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Chepstow (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.5 1.4 2.6 4.1 6.9 9.9 11.8 11.7 9.8 7.3 3.9 2.3
Max °C 7.1 7.3 9.7 12.5 15.9 19.1 21 20.6 18 14.4 10.1 7.9
Min °F 34.7 34.4 36.6 39.4 44.4 49.8 53.2 53 49.6 45.1 39 36.1
Max °F 39.7 39.7 43 46.9 52.5 58.1 61.5 61 57 51.4 44.6 41.2

Sea temperature

The graph below shows the average sea temperature.

Chepstow average sea temperature chart (Celsius) Chepstow average sea temperature chart (Fahrenheit)
Average sea temperature around Chepstow in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.1 9.3 9.2 10 11.3 13.1 15 16.2 16.2 15.1 13.4 11.7
°F 50.2 48.7 48.6 49.9 52.3 55.5 59 61.2 61.2 59.2 56.2 53

Wind speed

The graph below shows the average wind speed.

Chepstow average winspeed by month (km/h) Chepstow average winspeed by month (mph)
Average wind speed in Chepstow (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 18 16 16 14 14 14 14 15 16 17
mph 11 11 11 10 10 9 9 9 9 9 10 11

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.

Chepstow relative humidity averages
Average relative humidity in Chepstow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 88% 84% 81% 81% 81% 81% 82% 86% 89% 90% 92%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Chepstow weather stats

Chepstow weather statistics
Hottest month: July 20.8°C 69.4°F
Driest month: July 56mm 2.2ins
Sunniest month: June 7.2hrs
Coldest month: January 7°C 44.6°F
Wettest month: December 97mm 3.8ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Chepstow (51.64087, -2.67683) Chepstow map pin © Google

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