Galveston weather in July 2025

Expect 88°F 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.

  • 88°F maximum daytime temperature in July in Galveston88
    88°F max day temperature
  • 10 hours of sunshine per day
  • 8 days with some rainfall in July in Galveston8
    8 days with some rainfall
  • 79°F minimum night-time temperature in July in Galveston79
    79°F 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
  • 3.9 inches monthly rainfall in July in Galveston3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in July in Galveston11
    11 (Extreme) UV index
  • 84°F sea temperature in July in Galveston84
    84°F 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)  |  Imperial (°F)

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How hot is it in Galveston in July?

Daytime temperatures usually reach 88°F in Galveston in July with very high heat and humidity, falling to 79°F 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 84°F.

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 3.9 inches.

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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