Galveston weather in October 2025

Expect 26°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Galveston in October. Check more long-term weather averages for Galveston in October before you book your next holiday to Texas in 2025/2026.

  • 26°C maximum daytime temperature in October in Galveston26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in October in Galveston6
    6 days with some rainfall
  • 19°C minimum night-time temperature in October in Galveston19
    19°C min night temperature
  • 11 hours of daylight per day in October in Galveston11
    11 hours of daylight per day
  • Low heat & humidity in October in GalvestonL
    Low heat & humidity
  • 80 mm monthly rainfall in October in Galveston80
    80 mm of monthly rainfall
  • UV (maximum) index 7 (High) in October in Galveston7
    7 (High) UV index
  • 25°C sea temperature in October in Galveston25
    25°C sea temperature

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The October 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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More about the USA

How hot is it in Galveston in October?

Daytime temperatures usually reach 26°C in Galveston in October with low heat and humidity, falling to 19°C at night.

How sunny is it in Galveston in October?

There are normally 8 hours of bright sunshine each day in Galveston in October - that's 66% of daylight hours.

How warm is the sea around Galveston in October?

The average sea temperature around Galveston in October is 25°C.

Does it rain in Galveston in October?

There are usually 6 days with some rain in Galveston in October and the average monthly rainfall is 80mm.

Galveston October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:13 18:04
Thursday, 16th October 2025 06:21 17:47
Friday, 31st October 2025 06:32 17:34

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