If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Jechica: The hottest months are usually February and January with an average temp of 54°F, while the coldest months are July and August with an average of 40°F. The rainiest months in Jechica are August, June, May, and July, with each month seeing an average of 22 inches of rainfall.