Other facts from our historical weather data: Which months have the greatest rainfall in Chaloklum? Most rainfall (rainy season) is seen in May, September, October and November. Which is the hottest month in Chaloklum? May has an average maximum temperature of 31°C (88°F) and is the hottest month of the year. Which is the coolest month in Chaloklum? The coolest month is January with an average maximum temperature of 29°C (84°F). Which is the wettest month in Chaloklum? October tops the wettest month list with 319mm (12.6 in) of rainfall. Which is the driest month in Chaloklum? February is the driest month with 44mm (1.7 in) of precipitation. Which is the sunniest month in Chaloklum? March is the sunniest month with an average of 240 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.