Other facts from our historical weather data: When is winter in Nesjum? The coldest season / winter is in the following months: January, February and December. Which is the warmest month in Nesjum? July has an average maximum temperature of 12°C (54°F) and is the warmest month of the year. Which is the coldest month in Nesjum? The coldest month is February with an average maximum temperature of 3°C (37°F). Which is the wettest month in Nesjum? October tops the wettest month list with 236mm (9.3 in) of rainfall. Which is the driest month in Nesjum? May is the driest month with 105mm (4.1 in) of precipitation. Which is the sunniest month in Nesjum? May is the sunniest month with an average of 172 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.