Thornbury monthly weather averages

Average daytime temperature

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

Thornbury average temperature chart (Celsius) Thornbury average temperature chart (Fahrenheit)
Average monthly temperatures in Thornbury (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6 6.1 8.7 11.6 15.2 18.3 20.4 19.8 17.1 13.5 9 6.9
°F 42.8 43 47.6 52.9 59.3 64.9 68.7 67.7 62.9 56.3 48.1 44.4

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.

Thornbury monthly rainfall chart (mm) Thornbury monthly rainfall chart (inches)
Average monthly rainfall in Thornbury (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 72 52 61 53 60 54 51 63 64 64 66 77
inches 2.8 2.1 2.4 2.1 2.4 2.1 2 2.5 2.5 2.5 2.6 3
Rainy days 19 14 17 15 16 14 11 14 13 17 18 18

Average annual rainfall in Thornbury: 785.067mm (309.1 inches)

Average daily sunshine

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

Thornbury average daily sunshine chart
Average daily sunshine Thornbury
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 2.5 3.7 4.9 6.2 6.7 6.2 5.8 4.7 3.3 2.4 1.7

Day / night temperatures

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

Thornbury average minimum / maximum temperatures (Celsius) Thornbury average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Thornbury (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.7 0.6 1.8 3.4 6 8.9 10.8 10.6 8.7 6.4 2.9 1.4
Max °C 6.2 6.3 8.9 11.8 15.4 18.5 20.6 20.1 17.4 13.7 9.1 7
Min °F 33.2 33 35.2 38.1 42.8 48 51.4 51 47.6 43.4 37.2 34.5
Max °F 38.1 38.1 41.5 45.7 51.3 56.7 60.3 59.5 55.4 50 42.8 39.6

Sea temperature

The graph below shows the average sea temperature.

Thornbury average sea temperature chart (Celsius) Thornbury average sea temperature chart (Fahrenheit)
Average sea temperature around Thornbury in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.5 8.6 8.5 9.3 10.8 12.9 14.9 16 15.8 14.5 12.8 11
°F 49 47.4 47.3 48.7 51.5 55.1 58.8 60.8 60.4 58.2 55.1 51.8

Wind speed

The graph below shows the average wind speed.

Thornbury average winspeed by month (km/h) Thornbury average winspeed by month (mph)
Average wind speed in Thornbury (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 19 16 15 14 14 13 14 14 16 16
mph 10 10 12 10 9 9 9 8 9 9 10 10

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.

Thornbury relative humidity averages
Average relative humidity in Thornbury
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 84% 81% 80% 81% 80% 81% 89% 89% 90% 92%

Other monthly averages

UV index Best time to go?

Thornbury weather stats

Thornbury weather statistics
Hottest month: July 20.4°C 68.7°F
Driest month: July 51mm 2ins
Sunniest month: June 6.7hrs
Coldest month: January 6°C 42.8°F
Wettest month: December 77mm 3ins
Warmest sea: August 16°C 60.8°F
Map showing location of Thornbury (52.23333, -2.55) Thornbury map pin © Google

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