Other facts from our historical weather data: Which is the warmest month in Malborough? 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 Malborough? The coldest month is February with an average maximum temperature of 10°C (50°F). Which is the wettest month in Malborough? November tops the wettest month list with 118mm (4.6 in) of rainfall. Which is the driest month in Malborough? July is the driest month with 58mm (2.3 in) of precipitation. Which is the sunniest month in Malborough? May is the sunniest month with an average of 222 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.