Galveston weather by month

Warmest month

August

94°F (34°C) average high

Coolest month

January

47°F (8°C) average low

Wettest month

September

4.5 in (115 mm) of rain

Driest month

February

2.1 in (54 mm) of rain

Average temperature and rainfall in Galveston by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

Month	Avg high	Avg low	Record low / high	Rainfall	Humidity	Wind
January	63°F	47°F	29°F / 78°F	3.2 in	72%	9 mph
February	68°F	51°F	17°F / 81°F	2.1 in	76%	10 mph
March	76°F	58°F	30°F / 87°F	2.4 in	72%	10 mph
April	79°F	62°F	42°F / 89°F	2.6 in	73%	11 mph
May	86°F	68°F	44°F / 93°F	4.1 in	72%	10 mph
June	90°F	76°F	70°F / 98°F	4.3 in	76%	8 mph
July	92°F	77°F	67°F / 100°F	2.4 in	73%	8 mph
August	94°F	78°F	73°F / 103°F	4.1 in	72%	7 mph
September	90°F	75°F	62°F / 97°F	4.5 in	74%	8 mph
October	84°F	66°F	47°F / 96°F	2.9 in	73%	9 mph
November	74°F	57°F	32°F / 88°F	2.3 in	74%	9 mph
December	68°F	52°F	28°F / 82°F	2.6 in	76%	9 mph

Frost and snow-likely months in Galveston

No month in Galveston averages a night of 36°F (2°C) or below. The coldest month is January with an average low of 47°F (8°C) and a record low of 29°F (-2°C), so frost is rare and snow is very unlikely.

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Galveston

The most comfortable time to visit Galveston is generally March to April and November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around September, totalling about 37.4 in (950 mm) a year.

Travellers who prefer heat should aim for August, when highs average 94°F (34°C). September is the month to avoid if rain would spoil your plans — it averages 4.5 in (115 mm), roughly 2× the rainfall of the driest month (February).

Galveston climate: your questions

Does it snow in Galveston?

No: the coldest month in Galveston is January with an average low of 47°F (8°C) and a record low of 29°F (-2°C), so snow is very unlikely. What is falling now: Galveston weather today.

Which months are best for visiting Galveston?

March to April and November are the most comfortable months in Galveston, with highs near 76°F (25°C). August is the warmest month, averaging 94°F (34°C) by day; September is the wettest, with 4.5 in (115 mm); and January is the coolest, with lows near 47°F (8°C). What it is doing today: Galveston weather today.

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Galveston forecast for what is happening now.