Galveston (TX)
May
Weather in Galveston, Texas for May 2026
Your guide to Galveston weather in May - trends and predictions
In general, the average temperature in Galveston at the beginning of May is 24.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 26.1 °F by the end of May.
The climate of Galveston in May is notably wet, with an average of 15 rainy days, and a total of 195 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
25°/23°
Temperatures
31 km/h
Avg max wind
90 %
Avg humidity
Galveston Weather May
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Temperatures trend during May in Galveston
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May weather in Galveston day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate rain at times | 24° /23° | 2.3 mm | 5 | |
| May 2 | Moderate or heavy rain shower | 24° /23° | 8.4 mm | 5 | |
| May 3 |  Patchy rain possible | 26° /22° | 0.9 mm | 6 | |
| May 4 |  Cloudy | 25° /22° | 0 mm | 6 | |
| May 5 | Moderate or heavy rain shower | 24° /23° | 29.6 mm | 5 | |
| May 6 | Moderate or heavy rain shower | 25° /23° | 75.8 mm | 6 | |
| May 7 | Moderate or heavy rain shower | 25° /24° | 25.2 mm | 6 | |
| May 8 | Moderate or heavy rain shower | 25° /23° | 7.4 mm | 6 | |
| May 9 | Patchy rain possible | 26° /22° | 17.6 mm | 6 | |
| May 10 | Patchy rain possible | 25° /21° | 4 mm | 6 | |
| May 11 | Cloudy | 23° /19° | 0.2 mm | 5 | |
| May 12 |  Partly cloudy | 25° /19° | 0 mm | 7 | |
| May 13 | Patchy rain possible | 24° /23° | 0.1 mm | 5 | |
| May 14 |  Overcast | 25° /23° | 0 mm | 6 | |
| May 15 | Overcast | 24° /24° | 0 mm | 5 | |
| May 16 | Patchy rain possible | 25° /23° | 0.2 mm | 6 | |
| May 17 | Overcast | 24° /24° | 0 mm | 5 | |
| May 18 | Overcast | 25° /24° | 0.2 mm | 6 | |
| May 19 | Overcast | 25° /24° | 0 mm | 6 | |
| May 20 | Overcast | 25° /24° | 0 mm | 6 | |
| May 21 | Moderate or heavy rain shower | 26° /24° | 7.7 mm | 6 | |
| May 22 | Patchy rain possible | 26° /24° | 0.7 mm | 6 | |
| May 23 | Moderate rain at times | 26° /24° | 2.4 mm | 6 | |
| May 24 | Moderate rain at times | 26° /25° | 4.2 mm | 6 | |
| May 25 |  Thundery outbreaks possible | 26° /25° | 0 mm | 6 | |
| May 26 | Thundery outbreaks possible | 26° /25° | 0 mm | 6 | |
| May 27 | Thundery outbreaks possible | 26° /25° | 0 mm | 6 | |
| May 28 | Light rain shower | 26° /26° | 3.2 mm | 6 | |
| May 29 |  Patchy light rain with thunder | 26° /25° | 4.9 mm | 6 | |
| May 30 |  Fog | 27° /26° | 0 mm | 6 | |
| May 31 | Fog | 26° /24° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Galveston in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Galveston forecast closer to your planned date for the most up-to-date weather information.
Change Month
Galveston in May - FAQ
What are the expected maximum and minimum temperatures in Galveston during May?
During May, expect a variety of temperatures with highs around 25° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Galveston during May?
Significant rainfall exceeding 195 mm is expected in Galveston during May, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Galveston during May?
The average wind speed in Galveston during May is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Galveston
Explore the daily rainfall trends and prepare for Galvestons May weather 💧
UV exposure in Galveston during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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