Other facts from our historical weather data: Which months have the greatest rainfall in Kulan? Most rainfall (rainy season) is seen in February, March and July. When is winter in Kulan? The coldest season / winter is in the following months: January, February, March and December. Which is the warmest month in Kulan? July has an average maximum temperature of 19°C (66°F) and is the warmest month of the year. Which is the coldest month in Kulan? The coldest month is January with an average maximum temperature of -5°C (23°F). Which is the wettest month in Kulan? February tops the wettest month list with 180mm (7.1 in) of rainfall. Which is the driest month in Kulan? October is the driest month with 45mm (1.8 in) of precipitation. Which is the sunniest month in Kulan? June is the sunniest month with an average of 246 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.