Lewes monthly weather averages

Average daytime temperature

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

Lewes average temperature chart (Celsius) Lewes average temperature chart (Fahrenheit)
Average monthly temperatures in Lewes (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.8 6.9 9.2 11.9 15.5 18.5 20.5 20.5 18.2 14.7 10.2 7.8
°F 44.2 44.4 48.6 53.4 59.9 65.3 68.9 68.9 64.8 58.5 50.4 46

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.

Lewes monthly rainfall chart (mm) Lewes monthly rainfall chart (inches)
Average monthly rainfall in Lewes (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 88 57 65 55 53 58 49 60 74 91 96 88
inches 3.4 2.2 2.6 2.2 2.1 2.3 1.9 2.3 2.9 3.6 3.8 3.5
Rainy days 18 14 15 14 13 11 10 12 12 14 16 16

Average daily sunshine

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

Lewes average daily sunshine chart
Average daily sunshine Lewes
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 3 4.2 5.8 7.4 7.9 7.4 7.1 5.6 4.2 2.8 1.9

Day / night temperatures

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

Lewes average minimum / maximum temperatures (Celsius) Lewes average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Lewes (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.5 1.4 2.4 4.1 7.1 9.9 11.9 11.9 10 7.7 4.1 2.3
Max °C 6.9 7.1 9.4 12.1 15.7 18.7 20.7 20.7 18.4 14.9 10.4 7.9
Min °F 34.7 34.4 36.3 39.4 44.8 49.8 53.4 53.4 50 45.9 39.3 36.1
Max °F 39.6 39.6 42.6 46.6 52.5 57.7 61.3 61.3 57.6 52.3 45 41.2

Sea temperature

The graph below shows the average sea temperature.

Lewes average sea temperature chart (Celsius) Lewes average sea temperature chart (Fahrenheit)
Average sea temperature around Lewes in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.1 8 8 9.3 11.2 13.5 15.7 17.3 17.4 15.9 13.4 10.8
°F 48.3 46.4 46.5 48.7 52.1 56.3 60.3 63.2 63.2 60.5 56.1 51.5

Wind speed

The graph below shows the average wind speed.

Lewes average winspeed by month (km/h) Lewes average winspeed by month (mph)
Average wind speed in Lewes (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 16 17 16 15 14 13 13 13 14 16 16
mph 11 10 10 10 9 9 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.

Lewes relative humidity averages
Average relative humidity in Lewes
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 85% 82% 81% 81% 81% 82% 86% 89% 90% 91%

Other monthly averages

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Lewes weather stats

Lewes weather statistics
Hottest month: July 20.5°C 68.9°F
Driest month: July 49mm 1.9ins
Sunniest month: August 7.1hrs
Coldest month: January 6.8°C 44.2°F
Wettest month: November 96mm 3.8ins
Warmest sea: September 17.4°C 63.3°F
Map showing location of Lewes (50.87363, 0.01133)

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