If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Limon: The hottest months are usually July and August with an average temp of 71°F, while the coldest months are February and January with an average of 34°F. The snowiest months in Limon are October, February, January, and December, with each month seeing an average of 6 inches of snowfall.