Sun, sea & sand

Galveston, Texas weather in June

Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.

82

Holiday weather in June

Excellent

Best time to visit: May – October

What is the weather like in Galveston, Texas in June?

In June, Galveston, Texas is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 28.7 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 14 rainy days and 106 mm in total. On about 10 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is an excellent month for a holiday in Galveston, Texas.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score858281
Day27°30°30°
Night23°26°27°
Sea26°29°30°
Sun7 h8 h8 h
Rain days101415

More details for June

Daylight
14 h 0 min06:19 – 20:19
UV index
11 · extremeclear sky, noon (estimate)All months
Muggy days
30 daysdew point 18 °C or moreAll months
Wind
19 km/haverage daily peakAll months
Cloud cover
49 %on averageAll months
Hot days
10 days30 °C or moreAll months
Time zone
UTC−5America/Chicago

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %82 %
  • Few rainy daysweight 20 %31 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in June

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Galveston, Texas in June: quick answers

Is Galveston, Texas hot in June?

Yes. In June, Galveston, Texas is hot: daytime highs average 30 °C and nights stay around 26 °C. On about 10 days the thermometer climbs to 30 °C or more.

Can you swim in Galveston, Texas in June?

Yes. In June the sea averages 28.7 °C – lovely and warm for swimming.

Does it rain much in Galveston, Texas in June?

Rain is frequent, with about 14 rainy days and 106 mm in total.

Galveston, Texas month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences