Houston weather in January 2026

Expect daytime maximum temperatures of 15°C in Houston 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 84 mm of rainfall in the month.

  • 15°C maximum daytime temperature in January in Houston15
    15°C max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in January in Houston10
    10 days with some rainfall
  • 6°C minimum night-time temperature in January in Houston6
    6°C min night temperature
  • 10 hours of daylight per day in January in Houston10
    10 hours of daylight per day
  • No heat & humidity in January in Houston0
    No heat & humidity
  • 84 mm monthly rainfall in January in Houston84
    84 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in January in Houston4
    4 (Moderate) UV index

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The January weather guide for Texas (Houston) 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 warm is it in Houston in January?

Daytime temperatures usually reach 15°C in Houston in January, falling to 6°C at night.

How sunny is it in Houston in January?

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

Does it rain in Houston in January?

There are usually 10 days with some rain in Houston in January and the average monthly rainfall is 84mm.

Houston January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:17 17:34
Friday, 16th January 2026 07:17 17:46
Saturday, 31st January 2026 07:12 17:58

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