The temperatures should be the same regardless. The area is in the Tropic of Cancer and the suns rays are almost overhead anyways in that area. The same holds true of the Equator and the Tropic of Capricorn. After one gets to the outer extremes of the Tropics, the weather starts to cool off depending on the season in that part of the globe.
Leaving the US will be cooler in January and warmer in March.
Class is dismissed.