Planning for the weather is a good way to make your trip to Valenca relaxing and enjoyable, especially when you're splurging. The hottest months are usually February and January with an average temp of 75°F, while the coldest months are July and August with an average of 66°F. The rainiest months in Valenca are January, December, November, and February, with each month seeing an average of 10 inches of rainfall.