Houston weather in May 2025

Expect 82°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Houston in May. Check more long-term weather averages for Houston in May before you book your next holiday to Texas in 2025/2026.

  • 82°F maximum daytime temperature in May in Houston82
    82°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in May in Houston8
    8 days with some rainfall
  • 66°F minimum night-time temperature in May in Houston66
    66°F min night temperature
  • 14 hours of daylight per day in May in Houston14
    14 hours of daylight per day
  • Moderate heat & humidity in May in HoustonM
    Moderate heat & humidity
  • 4.6 inches monthly rainfall in May in Houston4.6
    4.6 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Houston10
    10 (Very High) UV index

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The May 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)  |  Imperial (°F)

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How hot is it in Houston in May?

Daytime temperatures usually reach 82°F in Houston in May with moderate heat and humidity, falling to 66°F at night.

How sunny is it in Houston in May?

There are normally 8 hours of bright sunshine each day in Houston in May - that's 59% of daylight hours.

Does it rain in Houston in May?

There are usually 8 days with some rain in Houston in May and the average monthly rainfall is 4.6 inches.

Houston May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:39 18:59
Friday, 16th May 2025 05:28 19:08
Saturday, 31st May 2025 05:22 19:17

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