Other facts from our historical weather data: When is summer in Valladolid?The hottest season / summer takes place in June, July, August and September. Does Valladolid have a dry season? Yes, the months of July and August are very dry. Which is the warmest month in Valladolid? July has an average maximum temperature of 31°C (88°F) and is the warmest month of the year. Which is the coldest month in Valladolid? The coldest month is January with an average maximum temperature of 10°C (50°F). Which is the wettest month in Valladolid? October tops the wettest month list with 63mm (2.5 in) of rainfall. Which is the driest month in Valladolid? August is the driest month with 16mm (0.6 in) of precipitation. Which is the sunniest month in Valladolid? July is the sunniest month with an average of 365 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.