Average temperatures, rainfall and packing tips for Houston, United States in May
🌡️ Avg high
30°C
🌙 Avg low
22°C
🌧️ Rainfall
~290 mm
📊 Warmth rank
#5 of 12
May in Houston at a glance
May in Houston is typically hot, with average daytime highs around 30°C and nights near 22°C. Temperature-wise it sits mid-range for Houston (the 5th warmest month).
May is one of the wetter months in Houston, with around 290 mm of rain - plan around showers.
What to pack for Houston in May
Light, breathable clothing (cotton or linen)
Sun protection: hat, sunglasses and SPF
A refillable water bottle
A rain jacket or umbrella - this is one of the wetter months
Houston - year at a glance
HighLow · May highlighted
Is May a good time to visit Houston?
🧳 May is one of the most comfortable months to visit Houston - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In May, Houston averages a daytime high of about 30°C and a night-time low of around 22°C, based on recent historical data.
Does it rain in Houston in May?
May is one of the wetter months in Houston, with around 290 mm of rain - plan around showers.
Is May a good time to visit Houston?
May is one of the most comfortable months to visit Houston - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.