Farnham monthly weather averages

Average daytime temperature

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

Farnham average temperature chart (Celsius) Farnham average temperature chart (Fahrenheit)
Average monthly temperatures in Farnham (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.6 6.9 9.6 12.4 16.2 19.3 21.4 21 18.4 14.6 9.7 7.5
°F 43.8 44.5 49.2 54.3 61.2 66.7 70.5 69.7 65.1 58.3 49.5 45.4

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.

Farnham monthly rainfall chart (mm) Farnham monthly rainfall chart (inches)
Average monthly rainfall in Farnham (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 70 47 58 50 58 51 48 54 63 67 69 73
inches 2.8 1.9 2.3 2 2.3 2 1.9 2.1 2.5 2.6 2.7 2.9
Rainy days 18 14 16 15 15 12 11 13 13 15 17 18

Average annual rainfall in Farnham: 759.8mm (299.1 inches)

Average daily sunshine

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

Farnham average daily sunshine chart
Average daily sunshine Farnham
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 2.7 3.9 5.4 6.8 7.2 6.9 6.6 5.3 3.8 2.6 1.8

Day / night temperatures

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

Farnham average minimum / maximum temperatures (Celsius) Farnham average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Farnham (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.7 0.7 1.9 3.6 6.6 9.5 11.6 11.2 9.2 6.8 3.1 1.6
Max °C 6.7 7.1 9.8 12.6 16.5 19.5 21.7 21.2 18.6 14.8 9.9 7.6
Min °F 33.3 33.3 35.3 38.5 43.8 49.1 52.8 52.2 48.6 44.2 37.6 34.9
Max °F 38.7 39 42.4 46.6 52.7 58.1 61.9 61.2 57 51.4 43.7 40.3

Sea temperature

The graph below shows the average sea temperature.

Farnham average sea temperature chart (Celsius) Farnham average sea temperature chart (Fahrenheit)
Average sea temperature around Farnham 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.

Farnham average winspeed by month (km/h) Farnham average winspeed by month (mph)
Average wind speed in Farnham (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 14 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.

Farnham relative humidity averages
Average relative humidity in Farnham
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
92% 88% 84% 80% 78% 78% 78% 80% 85% 89% 91% 93%

Other monthly averages

UV index Best time to go?

Farnham weather stats

Farnham weather statistics
Hottest month: July 21.4°C 70.5°F
Driest month: February 47mm 1.9ins
Sunniest month: August 6.6hrs
Coldest month: January 6.6°C 43.9°F
Wettest month: December 73mm 2.9ins
Warmest sea: August 17°C 62.6°F
Map showing location of Farnham (51.21433, -0.79587) Farnham map pin © Google

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