Other facts from our historical weather data: Which is the warmest month in Brighton & Hove? August has an average maximum temperature of 20°C (68°F) and is the warmest month of the year. Which is the coldest month in Brighton & Hove? The coldest month is February with an average maximum temperature of 9°C (48°F). Which is the wettest month in Brighton & Hove? November tops the wettest month list with 115mm (4.5 in) of rainfall. Which is the driest month in Brighton & Hove? May is the driest month with 54mm (2.1 in) of precipitation. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.