Other facts from our historical weather data: Which is the warmest month in Pagham? 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 Pagham? The coldest month is February with an average maximum temperature of 9°C (48°F). Which is the wettest month in Pagham? November tops the wettest month list with 115mm (4.5 in) of rainfall. Which is the driest month in Pagham? May is the driest month with 55mm (2.2 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.