If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Ambato: The hottest months are usually November and October with an average temp of 52°F, while the coldest months are July and August with an average of 49°F. The rainiest months in Ambato are April, March, May, and November, with each month seeing an average of 15 inches of rainfall.