You'll likely spend much of your trip indoors, but if you're planning to venture beyond the casino, taking a look at local weather data can help you. The hottest months are usually January and December with an average temp of 64°F, while the coldest months are July and June with an average of 53°F. The rainiest months in Reyes are February, December, March, and January, with each month seeing an average of 12 inches of rainfall.