Weather in Houston in May 2025
Average weather
Average temperature in Houston in May
The temperature in May is +30°C on average, with a range between a maximum of +33°C during the day and a minimum of +16°C at night.
The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +30°C to +31°C.
Is Houston warm or cold in May?
Houston is typically warm in May.
Maximum temperatures go up compared to the previous month from +26°C to +30°C. The minimum temperature also goes up from +16°C to +21°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how May is compared to other months in Houston:
Climate in Houston in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +26°C | +30°C | +32°C | ||||
| Min. temperature | ||||||
| +1°C | +8°C | +12°C | ||||
| Max. temperature | ||||||
| +34°C | +36°C | +40°C | ||||
| Rainfall | ||||||
| 99 mm | 122 mm | 119 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Humidity | ||||||
| 72% | 74% | 74% | ||||
| Air pressure | ||||||
| 1013 HPa | 1013 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 6 | 4 | 4 | ||||
| Cloudy days | ||||||
| 10 | 9 | 6 | ||||
| Rainy days | ||||||
| 11 | 12 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +26°C to +30°C during the day. Prepare for more rain. Average rainfall goes from 99 mm to 122 mm. Humidity rises from 72% to 74%. The average wind speed doesn’t change much during May, staying around 3 m/s. The days becoming less sunny, going from 6 sunny days in April to 4 in May.
June brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Houston is gradually increasing during May, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last May in Houston?
Climate Change over Years
The climate in Houston in May has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+24°C) and the highest in 2012 (+28°C). The driest year was 2011 with only 709 mm of rainfall, and the wettest year was 2021 with 2058 mm.
FAQ
Is May a good time to visit Houston?
Can you sunbathe in Houston in May?
Is Houston rainy in May?
Is it sunny in Houston in May?
Other cities in USA
Monthly weather in Houston
Source of the data
For this page, we’ve looked at the typical weather in Houston, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.