If you're hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Santa Verónica: The hottest months are usually March and February with an average temp of 82°F, while the coldest months are January and December with an average of 81°F. The rainiest months in Santa Verónica are October, September, August, and November, with each month seeing an average of 11 inches of rainfall.