Other facts from our historical weather data: Which months have the greatest rainfall in Gilgil? Most rainfall (rainy season) is seen in April and November. Which is the warmest month in Gilgil? February has an average maximum temperature of 26°C (79°F) and is the warmest month of the year. Which is the coldest month in Gilgil? The coldest month is September with an average maximum temperature of 20°C (68°F). Which is the wettest month in Gilgil? April tops the wettest month list with 184mm (7.2 in) of rainfall. Which is the driest month in Gilgil? February is the driest month with 48mm (1.9 in) of precipitation. Which is the sunniest month in Gilgil? January is the sunniest month with an average of 245 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.