Other facts from our historical weather data: Which is the warmest month in Hunstanton? 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 Hunstanton? The coldest month is February with an average maximum temperature of 8°C (46°F). Which is the wettest month in Hunstanton? October tops the wettest month list with 90mm (3.5 in) of rainfall. Which is the driest month in Hunstanton? April is the driest month with 54mm (2.1 in) of precipitation. Which is the sunniest month in Hunstanton? July is the sunniest month with an average of 207 hours of sunshine. 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.