Houston Weather in May: Climate, Temperature & Travel Tips
Avg 24.2°C · 202mm rain — May is spring in Houston.
- Avg high
- 28.7 °C
- Avg low
- 20.3 °C
- Avg
- 24.2 °C
- Precipitation
- 202 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
May in Houston, United States brings spring conditions: average temperature 24.2°C, average high 28.7°C, average low 20.3°C. Monthly rainfall averages 202mm, making it a wet time of year.
Conditions are pleasant for most travel activities.
What to Pack
- Short sleeves and light pants; sunglasses
- Light shoes or sandals
- Compact umbrella and waterproof jacket
Best Things to Do
- Walking tours and city exploration
- Parks and outdoor cafes
- Seasonal food and night markets (where applicable)
Pros and Cons of Visiting in May
Pros:
- Pleasant temperatures for walking and outdoor sightseeing
- Shoulder season often means smaller crowds and lower prices
Cons:
- Frequent rain — pack waterproof gear
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 August 28.5°C
- 2 July 28.4°C
- 3 June 27.2°C
- 1 January 11.9°C
- 2 February 13.9°C
- 3 December 14.3°C
FAQ
01 What is the average temperature in Houston in May? +
The average is 24.2°C, with a high of 29°C and a low of 20°C.
02 What is Houston like to visit in May? +
It is spring in Houston, which is ideal for outdoor exploration.
03 Does it rain often in Houston during May? +
Average rainfall is 202mm, which is high — expect frequent rain.
04 What should I pack for Houston in May? +
Short sleeves and light pants; sunglasses; Light shoes or sandals.
05 Is May a peak travel season for Houston? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17