Galveston skyline looking south toward the Gulf of Mexico

Weather · May

Galveston weather in May

Average highs of 84°F, lows of 72°F and 3.0 in of rain, from 30 years of weather records.

May is Galveston’s 5th warmest month, with average highs of 84°F and lows of 72°F. That is 6° warmer than April, and 5° above the yearly average high.

Average high
84°F
Average low
72°F
Precipitation
3.0 in
Wet days
5
Sunrise · sunset
6:27 AM · 8:03 PM

May across the year

  1. 63°49°Jan
  2. 66°52°Feb
  3. 72°58°Mar
  4. 78°65°Apr
  5. 84°72°May
  6. 90°78°Jun
  7. 91°80°Jul
  8. 92°80°Aug
  9. 89°76°Sep
  10. 82°69°Oct
  11. 72°59°Nov
  12. 66°52°Dec

High and low Rain

What to wear in May

  • Warm days: shorts and T-shirts.
  • Pack an umbrella or rain jacket: rain or snow falls on about 5 days this month.

May is good for

Around Galveston

Downtown Galveston, Texas
DowntownGalveston2008madame.furie / Christine H. · CC BY-SA 2.0
Sunset over the Gulf of mexico, Galveston
Gfp-texas-galveston-sunset-over-the-gulfYinan Chen · Public Domain
View southwest along the beach in Galveston, Galveston County, Texas
2025-09-13 12 20 02 View southwest along the beach in Galveston, Galveston County, TexasFamartin · CC BY-SA 4.0

See Galveston

A look around town before you go.

Guidebook for your next trip to Galveston, TX 🏝️ Most Texans travel to @galvestonisland to hang out video thumbnail

THINGS TO DO · YOUTUBE SHORT

Guidebook for your next trip to Galveston, TX 🏝️ Most Texans travel to @galvestonisland to hang out

A local activity Short shared by My Curly Adventures.

Watch on YouTube ↗

May compared with the months around it

MonthHighLowRain
April78°F65°F2.1 in
May84°F72°F3.0 in
June90°F78°F4.2 in

Planning a trip? See the best time to visit Galveston and today’s forecast.

Questions

How hot does it get in Galveston in May?

Average highs are 84°F and average lows 72°F, for a daily mean of 78°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Galveston in May?

May averages 3.0 in of precipitation over about 5 days with at least 0.01 in. It is the 10th wettest month of the year.

What time is sunset in Galveston in May?

Around mid-May the sun rises about 6:27 AM and sets about 8:03 PM, for roughly 13.6 hours of daylight.

Is May a good time to visit Galveston?

The mildest months for visiting are February, March, April. May is warm.

NOAA U.S. Climate Normals 1991–2020, Galveston Scholes Fld station (4.3 mi from downtown). Sunrise and sunset are calculated for May 15 at the city’s coordinates.

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