When you travel with your pet, keeping track of the weather can help you make the trip more safe and fun for everyone. The hottest months are usually March and April, with an average temperature of 27°C, while the coldest months are December and January, with an average of 26°C. The rainiest months in San Francisco de Coyote are October, September, June and August, with each month seeing an average of 390 mm of rainfall.