Henley on Thames monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Henley on Thames

Henley on Thames average temperature chart (Celsius) Henley on Thames average temperature chart (Fahrenheit)
Average monthly temperatures in Henley on Thames (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.1 6.5 9.2 12 15.8 19 21.1 20.7 18 14.1 9.3 7
°F 42.9 43.6 48.6 53.6 60.5 66.1 69.9 69.3 64.5 57.4 48.8 44.6

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.

Henley on Thames monthly rainfall chart (mm) Henley on Thames monthly rainfall chart (inches)
Average monthly rainfall in Henley on Thames (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 66 46 59 52 58 61 50 66 63 65 66 73
inches 2.6 1.8 2.3 2 2.3 2.4 2 2.6 2.5 2.6 2.6 2.9
Rainy days 18 14 16 15 15 12 11 13 12 15 16 17

Average annual rainfall in Henley on Thames: 775.566mm (305.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Henley on Thames

Henley on Thames average daily sunshine chart
Average daily sunshine Henley on Thames
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.8 2.6 3.8 5.1 6.5 7.1 6.6 6.3 5.1 3.6 2.4 1.6

Day / night temperatures

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

Henley on Thames average minimum / maximum temperatures (Celsius) Henley on Thames average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Henley on Thames (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.4 0.4 1.6 3.2 6.2 9 10.9 10.9 9 6.5 2.9 1.3
Max °C 6.2 6.6 9.4 12.2 16.1 19.2 21.3 21 18.3 14.3 9.5 7.2
Min °F 32.7 32.7 34.9 37.8 43.1 48.2 51.6 51.5 48.1 43.7 37.2 34.3
Max °F 37.9 38.3 41.9 45.9 52 57.4 61 60.6 56.5 50.7 43.2 39.6

Sea temperature

The graph below shows the average sea temperature.

Henley on Thames average sea temperature chart (Celsius) Henley on Thames average sea temperature chart (Fahrenheit)
Average sea temperature around Henley on Thames 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.

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

Henley on Thames relative humidity averages
Average relative humidity in Henley on Thames
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
92% 88% 84% 81% 79% 79% 78% 81% 85% 89% 91% 93%

Other monthly averages

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Henley on Thames weather stats

Henley on Thames weather statistics
Hottest month: July 21.1°C 70°F
Driest month: February 46mm 1.8ins
Sunniest month: August 6.3hrs
Coldest month: January 6.1°C 43°F
Wettest month: December 73mm 2.9ins
Warmest sea: August 17°C 62.6°F
Map showing location of Henley on Thames (51.53333, -0.9) Henley on Thames map pin © Google

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