Other facts from our historical weather data: Which is the warmest month in Saltburn-by-the-Sea? August has an average maximum temperature of 19°C (66°F) and is the warmest month of the year. Which is the coldest month in Saltburn-by-the-Sea? The coldest month is February with an average maximum temperature of 8°C (46°F). Which is the wettest month in Saltburn-by-the-Sea? November tops the wettest month list with 87mm (3.4 in) of rainfall. Which is the driest month in Saltburn-by-the-Sea? May is the driest month with 56mm (2.2 in) of precipitation. Which is the sunniest month in Saltburn-by-the-Sea? May is the sunniest month with an average of 182 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.