Climate West Sussex is the sunniest county in the United Kingdom, according to Met Office records. Over the 29 years to 2011 it averaged 1902 hours of sunshine per year. Sunshine totals are highest near the coast with Bognor Regis often having the highest in mainland England, including a total of 2237 hours in 1990. Mean annual temperature for southern coastal counties is around 11 °C. The coldest month, January, has mean daily minimum temperatures of around 3 °C near the coast and lower inland. July tends to be the warmest month when mean daily maxima tend to be around 20 °C. A maximum temperature of 35.4 °C occurred at North Heath, Pulborough on 26 June 1976. Coastal high temperatures are often moderated by cooler sea breezes.
Climate West Sussex is the sunniest county in the United Kingdom, according to Met Office records. Over the 29 years to 2011 it averaged 1902 hours of sunshine per year. Sunshine totals are highest near the coast with Bognor Regis often having the highest in mainland England, including a total of 2237 hours in 1990. Mean annual temperature for southern coastal counties is around 11 °C. The coldest month, January, has mean daily minimum temperatures of around 3 °C near the coast and lower inland. July tends to be the warmest month when mean daily maxima tend to be around 20 °C. A maximum temperature of 35.4 °C occurred at North Heath, Pulborough on 26 June 1976. Coastal high temperatures are often moderated by cooler sea breezes.