Bletchley monthly weather averages

Average daytime temperature

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

Bletchley average temperature chart (Celsius) Bletchley average temperature chart (Fahrenheit)
Average monthly temperatures in Bletchley (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.1 6.5 9.3 12 15.8 19.1 21.1 20.8 18.1 14.3 9.3 7
°F 43 43.6 48.7 53.7 60.5 66.3 70 69.5 64.6 57.7 48.7 44.5

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.

Bletchley monthly rainfall chart (mm) Bletchley monthly rainfall chart (inches)
Average monthly rainfall in Bletchley (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 53 38 52 48 54 55 50 57 53 55 56 60
inches 2.1 1.5 2 1.9 2.1 2.1 1.9 2.3 2.1 2.2 2.2 2.4
Rainy days 17 13 15 14 14 12 11 12 12 14 16 15

Average annual rainfall in Bletchley: 681.267mm (268.2 inches)

Average daily sunshine

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

Bletchley average daily sunshine chart
Average daily sunshine Bletchley
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.7 2.4 3.6 4.8 6.3 6.9 6.3 6 5 3.6 2.3 1.6

Day / night temperatures

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

Bletchley average minimum / maximum temperatures (Celsius) Bletchley average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Bletchley (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.6 0.4 1.8 3.4 6.2 9.1 11.1 11 9.1 6.6 3 1.3
Max °C 6.3 6.6 9.5 12.3 16.1 19.3 21.4 21.1 18.4 14.5 9.5 7.1
Min °F 33 32.7 35.2 38 43.1 48.4 51.9 51.7 48.3 43.8 37.3 34.3
Max °F 38.1 38.3 42.1 46 52 57.6 61.2 60.8 56.7 50.9 43.2 39.6

Sea temperature

The graph below shows the average sea temperature.

Bletchley average sea temperature chart (Celsius) Bletchley average sea temperature chart (Fahrenheit)
Average sea temperature around Bletchley in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.9 7.9 7.9 9.1 11 13.3 15.5 17 17 15.6 13.2 10.7
°F 48 46.2 46.2 48.4 51.8 55.9 59.9 62.6 62.6 60 55.7 51.3

Wind speed

The graph below shows the average wind speed.

Bletchley average winspeed by month (km/h) Bletchley average winspeed by month (mph)
Average wind speed in Bletchley (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 17 16 14 13 13 13 13 14 16 16
mph 10 10 10 10 9 8 8 8 8 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.

Bletchley relative humidity averages
Average relative humidity in Bletchley
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
92% 89% 84% 81% 80% 80% 79% 81% 85% 89% 91% 93%

Other monthly averages

UV index Best time to go?

Bletchley weather stats

Bletchley weather statistics
Hottest month: July 21.1°C 70°F
Driest month: February 38mm 1.5ins
Sunniest month: June 6.9hrs
Coldest month: January 6.1°C 43°F
Wettest month: December 60mm 2.4ins
Warmest sea: August 17°C 62.6°F
Map showing location of Bletchley (51.99334, -0.73471) Bletchley map pin © Google

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