Typical August highs at Jamaica Beach reach about 89°F, with reliable beach weather April to October. Jamaica Beach is located in Galveston, Texas.
Galveston, Texas · live parking & conditions · updated June 19, 2026
In a typical year August is the warmest month here, with highs near 89°F, and it's reliably beach weather April to October. Tap Jamaica Beach on the map for live surf, wind, water temperature, UV and tide times.
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