Climate of West Sussex, United Kingdom
Area-weighted average across West Sussex. For where people actually live and travel, see the cities below.
West Sussex, a subdivision of United Kingdom, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 4.4°C / 39.9°F in February to 16.6°C / 61.9°F in July, with rainfall from 45 mm / 1.8 in to 89 mm / 3.5 in depending on the season (799 mm / 31.5 in total across the year).
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 4.5°C40.1°F | 89 mm3.5″ | — |
| February | 4.4°C39.9°F | 58 mm2.3″ | — |
| March | 6.3°C43.3°F | 65 mm2.6″ | — |
| April | 8.2°C46.8°F | 52 mm2″ | — |
| May | 11.6°C52.9°F | 49 mm1.9″ | — |
| June | 14.3°C57.7°F | 55 mm2.2″ | — |
| July | 16.6°C61.9°F | 45 mm1.8″ | Sunny & Mild |
| August | 16.4°C61.5°F | 55 mm2.2″ | — |
| September | 14°C57.2°F | 71 mm2.8″ | — |
| October | 10.8°C51.4°F | 84 mm3.3″ | — |
| November | 7.2°C45°F | 87 mm3.4″ | — |
| December | 5.4°C41.7°F | 89 mm3.5″ | — |
Frequently asked questions
What is the best time to visit West Sussex?
The best months to visit West Sussex, United Kingdom for sunny, dry weather are July. The warmest month is July at an area-wide average of 16.6°C / 61.9°F, and the driest is July with about 45 mm / 1.8 in of rainfall.
What is the climate of West Sussex?
West Sussex, United Kingdom has area-weighted monthly average temperatures ranging from 4.4°C / 39.9°F in February to 16.6°C / 61.9°F in July. Annual rainfall averages about 799 mm / 31.5 in, with the wettest month being January (89 mm / 3.5 in) and the driest July (45 mm / 1.8 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in West Sussex?
The hottest month in West Sussex is July, with an area-wide average temperature of 16.6°C / 61.9°F.
What is the coldest month in West Sussex?
The coldest month in West Sussex is February, with an area-wide average temperature of 4.4°C / 39.9°F.
When does it rain most in West Sussex?
The wettest month in West Sussex is January, averaging about 89 mm / 3.5 in of rainfall. The driest is July with about 45 mm / 1.8 in.