Other facts from our historical weather data: Which is the warmest month in Grindleford Bridge? July has an average maximum temperature of 20°C (68°F) and is the warmest month of the year. Which is the coldest month in Grindleford Bridge? The coldest month is January with an average maximum temperature of 7°C (45°F). Which is the wettest month in Grindleford Bridge? June tops the wettest month list with 95mm (3.7 in) of rainfall. Which is the driest month in Grindleford Bridge? March is the driest month with 71mm (2.8 in) of precipitation. Which is the sunniest month in Grindleford Bridge? May is the sunniest month with an average of 199 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.