Old Windsor monthly weather averages

Contents

Average daytime temperature

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

Old Windsor average temperature chart (Celsius) Old Windsor average temperature chart (Fahrenheit)
Average monthly temperatures in Old Windsor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.7 7.2 9.8 12.6 16.4 19.7 21.8 21.4 18.7 14.9 10 7.6
°F 44.1 45 49.7 54.7 61.6 67.4 71.3 70.5 65.6 58.8 50 45.7

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.

Old Windsor monthly rainfall chart (mm) Old Windsor monthly rainfall chart (inches)
Average monthly rainfall in Old Windsor (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 60 40 53 48 54 52 45 54 57 62 61 64
inches 2.4 1.6 2.1 1.9 2.1 2 1.8 2.1 2.2 2.5 2.4 2.5
Rainy days 18 14 16 15 14 12 11 13 12 14 16 17

Average annual rainfall in Old Windsor: 700.534mm (275.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Old Windsor

Old Windsor average daily sunshine chart
Average daily sunshine Old Windsor
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 2.7 3.9 5.3 6.7 7.3 6.7 6.5 5.3 3.8 2.5 1.7

Day / night temperatures

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

Old Windsor average minimum / maximum temperatures (Celsius) Old Windsor average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Old Windsor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1 1.1 2.2 4 7 9.9 12 11.6 9.7 7.2 3.5 1.9
Max °C 6.9 7.4 10 12.9 16.7 19.9 22.1 21.6 18.9 15.1 10.2 7.8
Min °F 33.7 33.9 36 39.1 44.5 49.8 53.5 52.9 49.5 44.9 38.2 35.3
Max °F 39 39.6 43 47.1 53.2 58.8 62.6 61.9 57.7 52 44.2 40.6

Sea temperature

The graph below shows the average sea temperature.

Old Windsor average sea temperature chart (Celsius) Old Windsor average sea temperature chart (Fahrenheit)
Average sea temperature around Old Windsor 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.

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

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.

Old Windsor relative humidity averages
Average relative humidity in Old Windsor
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 86% 82% 79% 77% 76% 76% 79% 84% 88% 90% 91%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Old Windsor weather stats

Old Windsor weather statistics
Hottest month: July 21.8°C 71.2°F
Driest month: February 40mm 1.6ins
Sunniest month: August 6.5hrs
Coldest month: January 6.7°C 44.1°F
Wettest month: December 64mm 2.5ins
Warmest sea: August 17°C 62.6°F
Map showing location of Old Windsor (51.45807, -0.58674) Old Windsor map pin © Google

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