Other facts from our historical weather data: Which months have the greatest rainfall in Valentia? Most rainfall (rainy season) is seen in January, October, November and December. Which is the warmest month in Valentia? August has an average maximum temperature of 18°C (64°F) and is the warmest month of the year. Which is the coldest month in Valentia? The coldest month is February with an average maximum temperature of 10°C (50°F). Which is the wettest month in Valentia? December tops the wettest month list with 172mm (6.8 in) of rainfall. Which is the driest month in Valentia? June is the driest month with 97mm (3.8 in) of precipitation. Which is the sunniest month in Valentia? May is the sunniest month with an average of 180 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.