Visiting local bars in Islas Secas is better in good weather. These rainfall averages and temperatures can help you decide the best time for bar hopping. The hottest months are usually April and March with an average temp of 82°F, while the coldest months are January and December with an average of 77°F. The rainiest months in Islas Secas are October, August, September, and June, with each month seeing an average of 20 inches of rainfall.