Galveston weather in July 2025

Expect 31°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Galveston in July. Check more long-term weather averages for Galveston in July before you book your next holiday to Texas in 2025/2026.

  • 31°C maximum daytime temperature in July in Galveston31
    31°C max day temperature
  • 10 hours of sunshine per day
  • 8 days with some rainfall in July in Galveston8
    8 days with some rainfall
  • 26°C minimum night-time temperature in July in Galveston26
    26°C min night temperature
  • 14 hours of daylight per day in July in Galveston14
    14 hours of daylight per day
  • Very high heat & humidity in July in GalvestonVH
    Very High heat & humidity
  • 98 mm monthly rainfall in July in Galveston98
    98 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in July in Galveston11
    11 (Extreme) UV index
  • 29°C sea temperature in July in Galveston29
    29°C sea temperature

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The July 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 July?

Daytime temperatures usually reach 31°C in Galveston in July with very high heat and humidity, falling to 26°C at night.

How sunny is it in Galveston in July?

There are normally 10 hours of bright sunshine each day in Galveston in July - that's 72% of daylight hours.

How warm is the sea around Galveston in July?

The average sea temperature around Galveston in July is 29°C.

Does it rain in Galveston in July?

There are usually 8 days with some rain in Galveston in July and the average monthly rainfall is 98mm.

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

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

Galveston July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:24 19:23
Wednesday, 16th July 2025 05:31 19:20
Thursday, 31st July 2025 05:39 19:12

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