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Average climate of West Sussex

The climate of West Sussex has an average yearly temperature of 16°C. Throughout the year, the average monthly temperature can drop to 9°C and rise to 22°C.

Annually, about 734 mm of rain falls. This gives a good overview of how much rain to expect in West Sussex. Additionally, about 1,8 cm of snow falls each year.

The best time to visit West Sussex is June until September. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit West Sussex.

Temperature 9 to 22°C
Rain 734 mm
Snow 1,8 cm
  • Average yearly temperature: 16°C
  • Highest temperature: 22°C in July
  • Lowest temperature: 9°C in January and February
  • Precipitation: 734 mm per year, averaging 61 mm per month
  • Driest months: 38 mm in April, 40 mm in May and July
  • Wettest months: 92 mm in October, 89 mm in November and 83 mm in January
  • Snowfall: 1,8 cm per year

Climate table West Sussex

The climate table for West Sussex shows the average temperatures, precipitation, snowfall, and UV index per month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 9 9 11 14 17 20 22 21 20 16 12 10
Nighttime temperature (°C) 4 4 5 6 9 13 15 15 13 10 7 6
Precipitation (mm) 83 58 51 38 40 46 40 68 46 92 89 83
Snowfall (cm) 0,3 0,3 1,1 0 0 0 0 0 0 0 0 0,1
UV Index 2 3 4 6 7 7 7 6 5 4 2 2
Best month No No No No No Yes Yes Yes Yes No No No

Temperature per month in West Sussex

This graph shows the average high temperatures in degrees Celsius for each month in West Sussex, England

Temperature per month in West Sussex, England

Precipitation per month in West Sussex

This graph shows the average monthly precipitation in millimeters in West Sussex, England.

Precipitation per month in West Sussex, England

Snowfall per month in West Sussex

This graph shows the average snowfall in centimeters per month in West Sussex, England.

Snowfall per month in West Sussex, England

UV index per month in West Sussex

This graph shows the average UV index per month in West Sussex, England.

UV index per month in West Sussex, England

Yearly temperature in West Sussex

This graph shows the average yearly temperature in West Sussex, England, measured in degrees Celsius.

Yearly temperature in West Sussex, England

Yearly total precipitation in West Sussex

This graph shows the average yearly precipitation in millimeters in West Sussex, England.

Precipitation per year in West Sussex, England

Yearly snowfall in West Sussex

This graph shows the average yearly snowfall in West Sussex, England, measured in centimeters.

Snowfall per year in West Sussex, England

Weather experiences in West Sussex

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Average weather in West Sussex per month

Click on a month below to see in detail how the weather typically is in West Sussex and what to expect. Based on the historical weather data of West Sussex, you can view the average temperature, precipitation, wind, and UV index for each day of the month.