AI-generatedGalveston, Texas at a glance
- Best time
- May – Oct
- Warmest month
- Aug · 31°
- Warmest sea
- Aug · 30.2°
- Sunshine a year
- 2,260 h
- Rain a year
- 1,216 mm
- Climate
- Subtropical
- Time zone
- UTC−6 / UTC−5
- Elevation
- 2 m
Climate in Galveston, Texas
Galveston, Texas has a subtropical climate with warm summers and mild winters. August is the warmest month with average highs of 31 °C, while January is the coolest at 16 °C. With around 2,260 hours of sunshine a year, Galveston, Texas is sunny; June is the sunniest month with 7.9 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: May – October
October is the peak of the hurricane season
Good forBeach & swimmingSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 21°
- Midday, 13:00: about 25°
- Afternoon, 16:00: about 26°
- Evening, 20:00: about 24°
- Night, 23:00: about 22°
07:2018:50
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:05–07:51 · evening 18:18–19:05
- Blue hour
- Morning 06:56–07:05 · evening 19:05–19:14
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Galveston, Texas in October?
In October, Galveston, Texas is warm: daytime highs average 26 °C, and even at night it stays warm at around 21 °C. The sea averages 25.6 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 109 mm in total. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Galveston, Texas.
More details for October
- Daylight
- 11 h 31 min07:20 – 18:50
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 18 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 39 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC−5America/Chicago
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %57 %
- Few rainy daysweight 20 %62 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Galveston, Texas
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 24.5 – 26.7 °C
Swimming season: Apr – Nov
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Galveston, Texas ranges from 14.3 °C in January to 30.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from April to November.
The sea temperature varies from year to year: in August, eight out of ten years were between 29.6 and 30.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 14.3° | 12.4° | 15.8° | cold |
| FebruaryFeb | 14.8° | 12.7° | 16.3° | cold |
| MarchMar | 18.0° | 16.3° | 19.9° | fresh |
| AprilApr | 21.7° | 20.1° | 23.2° | refreshing |
| MayMay | 25.5° | 24.6° | 26.4° | pleasant |
| JuneJun | 28.7° | 28.1° | 29.4° | warm |
| JulyJul | 29.7° | 29.2° | 30.3° | very warm |
| AugustAug | 30.2° | 29.6° | 30.8° | very warm |
| SeptemberSep | 29.0° | 28.3° | 29.9° | very warm |
| OctoberOct | 25.6° | 24.5° | 26.7° | pleasant |
| NovemberNov | 21.0° | 19.4° | 22.5° | refreshing |
| DecemberDec | 16.7° | 15.0° | 18.3° | cold |
Sunshine hours in Galveston, Texas
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.4 of 11.5 hours of daylight in Galveston, Texas, 56 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Galveston, Texas
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 7 · highSeek shade around midday; sunscreen SPF 30+, hat and sunglasses.
The sun is strongest in June (UV 11).
Minutes until sunburn in October
- Very fair skin
- about 20 min
- Fair skin
- about 25 min
- Light brown skin
- about 35 min
- Olive skin
- about 45 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Galveston, Texas: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Galveston, Texas has about 9 rainy days with 109 mm of rain in total.
Wind and clouds in Galveston, Texas
How breezy and how cloudy Galveston, Texas is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Galveston, Texas typically peaks at 19 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Nov – May.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 39 % of the sky over Galveston, Texas: mostly sunny, with about 6.4 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Galveston, Texas
How often the day gets hot in Galveston, Texas (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Galveston, Texas has about 1 hot days, with an average daytime high of 26 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Galveston, Texas
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
WarmOctober: nights around 21°. Tropical nights: a fan or air conditioning helps. Muggy on about 18 days (dew point 18 °C or more).
The coolest nights are in January (10°), the warmest in August (27°). Tropical nights of 20 °C and more are the rule from May to October; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from March to April and in November. It is muggy (dew point 18 °C or more) on about 205 days a year, mostly from April to October.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 19 | 16° | 10° | 14.3° | 4.9 h | 9 | 102 |
| FebruaryFeb | 20 | 17° | 12° | 14.8° | 4.7 h | 8 | 73 |
| MarchMar | 30 | 20° | 15° | 18.0° | 5.3 h | 9 | 86 |
| AprilApr | 67 | 23° | 19° | 21.7° | 6.4 h | 9 | 85 |
| MayMay | 85 | 27° | 23° | 25.5° | 7.0 h | 10 | 96 |
| JuneJun | 82 | 30° | 26° | 28.7° | 7.9 h | 14 | 106 |
| JulyJul | 81 | 30° | 27° | 29.7° | 7.8 h | 15 | 111 |
| AugustAug | 79 | 31° | 27° | 30.2° | 7.6 h | 15 | 113 |
| SeptemberSep | 78 | 29° | 25° | 29.0° | 6.4 h | 13 | 136 |
| OctoberOct | 84 | 26° | 21° | 25.6° | 6.4 h | 9 | 109 |
| NovemberNov | 47 | 21° | 16° | 21.0° | 5.1 h | 8 | 98 |
| DecemberDec | 17 | 17° | 12° | 16.7° | 4.5 h | 9 | 101 |
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
29.30° N, 94.80° W · 2 m · America/Chicago
Best time to visit Galveston, Texas
The best time to visit Galveston, Texas is from May to October. For a beach holiday with the sea above 21 °C, go from April to May and in October. For sightseeing, day trips and hiking, conditions are most comfortable from October to May. Rain is most frequent from June to September; the wettest month is September with 136 mm.
Galveston, Texas through the seasons
How the weather changes over the seasons, with averages for each.
Galveston, Texas in spring
Mar – May
Good
- 20–27 °C by day
- Sea 22 °C
- 6 h of sun a day
- 28 rainy days in all
Galveston, Texas in summer
Jun – Aug
Excellent
- 30–31 °C by day
- Sea 30 °C
- 8 h of sun a day
- 44 rainy days in all
Galveston, Texas in autumn
Sep – Nov
Good
- 21–29 °C by day
- Sea 25 °C
- 6 h of sun a day
- 31 rainy days in all
Galveston, Texas in winter
Dec – Feb
Poor
- 16–17 °C by day
- Sea 15 °C
- 5 h of sun a day
- 26 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Galveston, Texas for you.
Your best months: May – June, September
Based on the climate averages; tap a month to see its details.
Compare two months in Galveston, Texas
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and May bring similar holiday weather to Galveston, Texas (score 84 and 85). In May, days are 1 °C warmer than in October. The sea is about as warm in both months. May has one more rainy day. The sun shines an hour longer a day in May.
| Month | October | May |
|---|---|---|
| Weather score | 84 | 85 |
| Day high | 26° | 27° |
| Night low | 21° | 23° |
| Sea | 25.6° | 25.5° |
| Sunshine | 6.4 h | 7.0 hbetter |
| Rainy days | 9better | 10 |
| Rainfall | 109 mm | 96 mmbetter |
| Muggy days | 18better | 27 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Apr – May, Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Oct – May
15–28 °C and not too much rain
Rainy months
Jun – Sep
12 or more rainy days
Galveston, Texas month by month
The typical weather for every month at a glance.
19January16° · Sea 14° · 5 h
In January, Galveston, Texas is cool: daytime highs average 16 °C, and nights cool down to about 10 °C. The sea averages 14.3 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain falls on about 9 days, adding up to 102 mm. All in all, January is not an ideal month for a holiday in Galveston, Texas.
Galveston, Texas in January20February17° · Sea 15° · 5 h
In February, Galveston, Texas is mild: daytime highs average 17 °C, and nights cool down to about 12 °C. The sea averages 14.8 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 73 mm. All in all, February is not an ideal month for a holiday in Galveston, Texas.
Galveston, Texas in February30March20° · Sea 18° · 5 h
In March, Galveston, Texas is mild: daytime highs average 20 °C, and nights cool down to about 15 °C. The sea averages 18.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 86 mm in total. All in all, March is not an ideal month for a holiday in Galveston, Texas.
Galveston, Texas in March67April23° · Sea 22° · 6 h
In April, Galveston, Texas is warm: daytime highs average 23 °C, and nights cool down to about 19 °C. The sea averages 21.7 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain falls on about 9 days, adding up to 85 mm. The air is often humid and muggy. All in all, April is a good month for a holiday in Galveston, Texas.
Galveston, Texas in April85May27° · Sea 26° · 7 h
In May, Galveston, Texas is warm: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 25.5 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 96 mm in total. The air is often humid and muggy. All in all, May is an excellent month for a holiday in Galveston, Texas.
Galveston, Texas in May82June30° · Sea 29° · 8 h
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.
Galveston, Texas in June81July30° · Sea 30° · 8 h
In July, Galveston, Texas is hot: daytime highs average 30 °C, and even at night it stays warm at around 27 °C. The sea averages 29.7 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It rains often – on about 15 days, adding up to 111 mm. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Galveston, Texas.
Galveston, Texas in July79August31° · Sea 30° · 8 h
In August, Galveston, Texas is hot: daytime highs average 31 °C, and even at night it stays warm at around 27 °C. The sea averages 30.2 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It rains often – on about 15 days, adding up to 113 mm. On about 21 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Galveston, Texas.
Galveston, Texas in August78September29° · Sea 29° · 6 h
In September, Galveston, Texas is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 136 mm in total. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Galveston, Texas.
Galveston, Texas in September84October26° · Sea 26° · 6 h
In October, Galveston, Texas is warm: daytime highs average 26 °C, and even at night it stays warm at around 21 °C. The sea averages 25.6 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 109 mm in total. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Galveston, Texas.
Galveston, Texas in October47November21° · Sea 21° · 5 h
In November, Galveston, Texas is warm: daytime highs average 21 °C, and nights cool down to about 16 °C. The sea averages 21.0 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 98 mm. All in all, November is a so-so month for a holiday in Galveston, Texas.
Galveston, Texas in November17December17° · Sea 17° · 5 h
In December, Galveston, Texas is mild: daytime highs average 17 °C, and nights cool down to about 12 °C. The sea averages 16.7 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 101 mm in total. All in all, December is not an ideal month for a holiday in Galveston, Texas.
Galveston, Texas in DecemberGalveston, Texas compared
Put Galveston, Texas side by side with another destination.
No destination found
Galveston vs. Houston
In October the holiday weather in Galveston and Houston is about equally good (score 84 vs. 84). During the day Houston is 1 °C warmer than Galveston.
| in October | Galveston | Houston |
|---|---|---|
| Holiday score | 84 | 84 |
| Daytime high | 26° | 27° |
| Sea | 26° | – |
| Sunshine | 6 h | 6 h |
| Rainy days | 9 | 8 |
| Best time | May – Oct | Oct – Apr |
Through the year
USA in October: the best places
In October, Galveston, Texas ranks 16 among the 31 nearest destinations in this country.
- El Paso26°97
- 2Albuquerque22°94
- 3Santa Fe17°92
- 4Panama City Beach25°26°90
- 5Destin26°26°89
- 6Clearwater Beach26°27°89
- 7Sarasota28°27°89
- 8Mobile26°25°87
- 16GalvestonThis page26°26°84
Planning a trip to Galveston, Texas
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Galveston, Texas in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Galveston, Texas has its best school-holiday weather during May half-term (score 84) and its weakest during the Christmas holidays (score 18).
- 56
Easter holidays
Mar – Apr
Fair
- 22 °C by day
- Sea 21 °C
- 6.1 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 84
May half-term
May – Jun
ExcellentBest holidays
- 27 °C by day
- Sea 26 °C
- 7.2 h of sun a day
- 11 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 80
Summer holidays
Jul – Aug
Excellent
- 30 °C by day
- Sea 30 °C
- 7.7 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain, Storm season
- 84
October half-term
Oct
Excellent
- 26 °C by day
- Sea 26 °C
- 6.4 h of sun a day
- 9 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
Keep in mind: Storm season
- 18
Christmas holidays
Dec – Jan
Poor
- 17 °C by day
- Sea 16 °C
- 4.7 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h 55 min
- Distance
- 7,790 km
- Time zone
- UTC−5
- Jet lag
- About 4 days (6 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Galveston, Texas lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Galveston, Texas
When is the best time to visit Galveston, Texas?
The best time to visit Galveston, Texas is from May to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Galveston, Texas?
The sea temperature in Galveston, Texas ranges from 14.3 °C in January to 30.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from April to November.
Can you swim in Galveston, Texas in October?
Yes. In October the sea averages 25.6 °C – pleasant for swimming.
What is the warmest month in Galveston, Texas?
August is the warmest month, with average highs of 31 °C and nights around 27 °C. January is the coolest month at 16 °C.
When does it rain most in Galveston, Texas?
Rain is most frequent from June to September; the wettest month is September with 136 mm. The driest month is February with 73 mm.
How many hours of sunshine does Galveston, Texas get?
Galveston, Texas gets around 2,260 hours of sunshine a year. The sunniest month is June with 7.9 hours a day; in December there are 4.5 hours a day.
What time zone is Galveston, Texas in?
Galveston, Texas uses the time zone America/Chicago: UTC−6 in January and UTC−5 in July.
How long is the flight from London to Galveston, Texas?
A nonstop flight from London to Galveston, Texas takes about 9 h 55 min, for a straight-line distance of about 7,790 km.
When is hurricane season in Galveston, Texas?
Galveston, Texas lies in an area that Atlantic hurricanes can reach. The hurricane season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Galveston, Texas?
Galveston, Texas has its best school-holiday weather during May half-term (score 84) and its weakest during the Christmas holidays (score 18). Holiday ratings (0–100): Easter holidays 56, May half-term 84, Summer holidays 80, October half-term 84, Christmas holidays 18.
Near Galveston, Texas
Other destinations close by.
Places with a climate like Galveston, Texas
Destinations whose weather through the year is closest to Galveston, Texas's – good alternatives.