If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Barichara: The hottest months are usually February and January with an average temp of 69°F, while the coldest months are November and December with an average of 67°F. The rainiest months in Barichara are May, October, August, and April, with each month seeing an average of 22 inches of rainfall.