Galveston weather in January 2026

Expect daytime maximum temperatures of 59°F in Galveston, Texas in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 3.4 inches of rainfall in the month.

  • 59°F maximum daytime temperature in January in Galveston59
    59°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in January in Galveston10
    10 days with some rainfall
  • 46°F minimum night-time temperature in January in Galveston46
    46°F min night temperature
  • 11 hours of daylight per day in January in Galveston11
    11 hours of daylight per day
  • No heat & humidity in January in Galveston0
    No heat & humidity
  • 3.4 inches monthly rainfall in January in Galveston3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in January in Galveston4
    4 (Moderate) UV index
  • 59°F sea temperature in January in Galveston59
    59°F sea temperature

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The January 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 warm is it in Galveston in January?

Daytime temperatures usually reach 59°F in Galveston in January, falling to 46°F at night.

How sunny is it in Galveston in January?

There are normally 5 hours of bright sunshine each day in Galveston in January - that's 45% of daylight hours.

How warm is the sea around Galveston in January?

The average sea temperature around Galveston in January is 59°F.

Does it rain in Galveston in January?

There are usually 10 days with some rain in Galveston in January and the average monthly rainfall is 3.4 inches.

Galveston January sunrise & sunset times

Browse the sunrise and sunset times for Galveston in January 2026. Select a month to view Galveston sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:14 17:32
Friday, 16th January 2026 07:14 17:44
Saturday, 31st January 2026 07:09 17:57

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