Galveston weather in June 2025

Expect 30°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Galveston in June. Check more long-term weather averages for Galveston in June before you book your next holiday to Texas in 2025/2026.

  • 30°C maximum daytime temperature in June in Galveston30
    30°C max day temperature
  • 10 hours of sunshine per day
  • 7 days with some rainfall in June in Galveston7
    7 days with some rainfall
  • 25°C minimum night-time temperature in June in Galveston25
    25°C min night temperature
  • 14 hours of daylight per day in June in Galveston14
    14 hours of daylight per day
  • High heat & humidity in June in GalvestonH
    High heat & humidity
  • 111 mm monthly rainfall in June in Galveston111
    111 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in June in Galveston11
    11 (Extreme) UV index
  • 28°C sea temperature in June in Galveston28
    28°C sea temperature

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The June weather guide for Texas (Galveston) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Galveston in June?

Daytime temperatures usually reach 30°C in Galveston in June with high heat and humidity, falling to 25°C at night.

How sunny is it in Galveston in June?

There are normally 10 hours of bright sunshine each day in Galveston in June - that's 71% of daylight hours.

How warm is the sea around Galveston in June?

The average sea temperature around Galveston in June is 28°C.

Does it rain in Galveston in June?

There are usually 7 days with some rain in Galveston in June and the average monthly rainfall is 111mm.

What is the chance of a hurricane in Galveston in June?

On average less than 1 day in June in Galveston is likely to be affected by the passage of one or more tropical storms.

Galveston June sunrise & sunset times

Browse the sunrise and sunset times for Galveston in June 2025. Select a month to view Galveston sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 05:20 19:14
Sunday, 15th June 2025 05:19 19:20
Monday, 30th June 2025 05:23 19:23

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