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Best time to visit Galveston, TX, USA

Our verdict

The best time to visit Galveston is March-May

If you’re looking to travel to Galveston for your next trip but aren’t sure when to go and when to avoid, this article is all you’ll need. The best time to visit Galveston is March-May due to the excellent all-round weather conditions, and it’s also not during the height of peak travel periods, so it’s not likely to be as busy.

The very hottest temperatures in Galveston get to around 32℃ (90℉) in the height of summer. The weather in the winter, especially around January, can reach a minimum of 9℃ (48℉).

If you’re a sun-chaser and want to visit Galveston when the days are longest, you should visit in August. The wet season in Galveston usually falls during the months surrounding September each year. It’s not uncommon to get some decent rainfall or light showers during this time, but on some days the weather tends to be fine for a majority of the day, with only a few drops of rain falling from a passing shower.

Learn everything you need to know to help you decide when to go to Galveston below, and don’t forget to use the awesome travel tools we know and love to help you find the best deals and make booking your vacation a breeze!

Warmest month

August

Least rainfall

February

Most daylight

August

Galveston seasons

Before you continue, it’s important to know when the seasons are in Galveston as they might be different to yours depending on where in the world you’re travelling from. Galveston is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Galveston

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Galveston for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Galveston climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Galveston for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Galveston in January

  • Average temperature: 13℃ (56℉)
  • Average high temperature: 15℃ (60℉)
  • Average low temperature: 11℃ (52℉)
  • Average humidity: 77%
  • Average sunny days: 18 days
  • Average rainfall: 31mm (1") over 10 days
18 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Galveston in January, make sure you pack a warm jacket or coat.


Galveston in February

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 17℃ (62℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 81%
  • Average sunny days: 15 days
  • Average rainfall: 19mm (1") over 11 days
15 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Galveston in February, make sure you pack a light jumper or hoodie.


Galveston in March

  • Average temperature: 18℃ (64℉)
  • Average high temperature: 20℃ (67℉)
  • Average low temperature: 16℃ (61℉)
  • Average humidity: 81%
  • Average sunny days: 18 days
  • Average rainfall: 19mm (1") over 11 days
18 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Galveston in March, make sure you pack a light jumper or hoodie.


Galveston in April

  • Average temperature: 21℃ (70℉)
  • Average high temperature: 23℃ (73℉)
  • Average low temperature: 19℃ (67℉)
  • Average humidity: 79%
  • Average sunny days: 17 days
  • Average rainfall: 25mm (1") over 11 days
17 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Galveston in April, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Galveston in May

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 26℃ (79℉)
  • Average low temperature: 23℃ (74℉)
  • Average humidity: 79%
  • Average sunny days: 18 days
  • Average rainfall: 47mm (2") over 11 days
18 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Galveston in May, make sure you pack t-shirts and light clothing.


Galveston in June

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 77%
  • Average sunny days: 13 days
  • Average rainfall: 59mm (2") over 14 days
13 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Galveston in June, make sure you pack t-shirts and light clothing.


Galveston in July

  • Average temperature: 29℃ (84℉)
  • Average high temperature: 30℃ (87℉)
  • Average low temperature: 28℃ (82℉)
  • Average humidity: 76%
  • Average sunny days: 10 days
  • Average rainfall: 74mm (3") over 18 days
10 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Galveston in July, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Galveston in August

  • Average temperature: 29℃ (85℉)
  • Average high temperature: 31℃ (87℉)
  • Average low temperature: 28℃ (82℉)
  • Average humidity: 75%
  • Average sunny days: 9 days
  • Average rainfall: 84mm (3") over 19 days
9 days
of pure sunshine
19 days
of showers or rain

What to pack: If you’re heading to Galveston in August, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Galveston in September

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 26℃ (78℉)
  • Average humidity: 75%
  • Average sunny days: 8 days
  • Average rainfall: 109mm (4") over 20 days
8 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Galveston in September, make sure you pack t-shirts and light clothing.

Galveston in October

  • Average temperature: 24℃ (75℉)
  • Average high temperature: 26℃ (78℉)
  • Average low temperature: 22℃ (71℉)
  • Average humidity: 72%
  • Average sunny days: 16 days
  • Average rainfall: 58mm (2") over 12 days
16 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Galveston in October, make sure you pack t-shirts and light clothing.


Galveston in November

  • Average temperature: 19℃ (65℉)
  • Average high temperature: 21℃ (69℉)
  • Average low temperature: 16℃ (61℉)
  • Average humidity: 75%
  • Average sunny days: 18 days
  • Average rainfall: 38mm (1") over 10 days
18 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Galveston in November, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Galveston in December

  • Average temperature: 15℃ (59℉)
  • Average high temperature: 17℃ (63℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 79%
  • Average sunny days: 14 days
  • Average rainfall: 35mm (1") over 13 days
14 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Galveston in December, make sure you pack a light jumper or hoodie.


Top FAQs

The hottest month of the year in Galveston is usually August, where temperatures tend to rise to around 31℃ (87℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Galveston is generally around February. The dry season often coincides with cooler weather, so you should check the temperatures in February first to make sure it’s still a good time to go.
The rainiest time of year in Galveston is generally around September, although the wetter season can sometimes extend a few months either side of September too.
If you want to get the most out of your time visiting Galveston, or if you're just afraid of the dark, the days in August are usually the longest between sunrise and sunset.

Galveston map