The temperatures in Galveston during June are extremely high, between 27°C and hot as 29°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of June in Galveston. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Galveston in June 2025.
If you’re planning to visit Galveston in the near future, we highly recommend that you review the 14 day weather forecast for Galveston before you arrive.