Climate and monthly weather forecast
Galveston, TX

the colorful red night sky in the seaside city of Galveston in Texas
the colorful red night sky in the seaside city of Galveston in Texas

Weather in January

January, the same as December, in Galveston, Texas, is another mild winter month, with an average temperature varying between 59.7°F (15.4°C) and 51.6°F (10.9°C). January is the coldest month, with an average high-temperature of 59.7°F (15.4°C) and an average low-temperature of 51.6°F (10.9°C). Weather in January »

Weather in February

February, the last month of the winter in Galveston, is a comfortable month, with an average temperature fluctuating between 62.2°F (16.8°C) and 54.9°F (12.7°C). In February, the average high-temperature is almost the same as in January - an enjoyable 62.2°F (16.8°C). Weather in February »

Weather in March

March, the first month of the spring in Galveston, is still a comfortable month, with an average temperature varying between 61°F (16.1°C) and 67.3°F (19.6°C). In Galveston, the average high-temperature in March is practically the same as in February - a still enjoyable 67.3°F (19.6°C). Weather in March »

Weather in April

April is an agreeable spring month in Galveston, Texas, with temperature in the range of an average low of 66.9°F (19.4°C) and an average high of 73°F (22.8°C). In April, the average high-temperature marginally rises from a comfortable 67.3°F (19.6°C) in March to an agreeable 73°F (22.8°C). Weather in April »

Weather in May

May, the last month of the spring in Galveston, is a warm month, with an average temperature varying between 73.8°F (23.2°C) and 79.3°F (26.3°C). In May, the average high-temperature marginally rises from a pleasant 73°F (22.8°C) in April to a moderately hot 79.3°F (26.3°C). Weather in May »

Weather in June

June, the first month of the summer in Galveston, is still a warm month, with an average temperature fluctuating between 79.5°F (26.4°C) and 84.7°F (29.3°C). In June, the average high-temperature marginally rises from 79.3°F (26.3°C) in May to a still warm 84.7°F (29.3°C). Weather in June »

Weather in July

July in Galveston, Texas, is a hot summer month, with an average temperature varying between 86.4°F (30.2°C) and 81.7°F (27.6°C). In July, the average high-temperature is relatively the same as in June - a tropical 86.4°F (30.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Galveston, Texas, with an average temperature varying between 81.9°F (27.7°C) and 87.4°F (30.8°C). The warmest month is August, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 81.9°F (27.7°C). The average heat index in August is computed to be a torrid 101.5°F (38.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Galveston, Texas, with an average temperature varying between 84.2°F (29°C) and 78.4°F (25.8°C). In Galveston, the average high-temperature in September is practically the same as in August - a moderately hot 84.2°F (29°C). Weather in September »

Weather in October

October, like September, in Galveston, Texas, is another warm autumn month, with an average temperature fluctuating between 70.9°F (21.6°C) and 78.1°F (25.6°C). In Galveston, the average high-temperature in October slightly decreases from a warm 84.2°F (29°C) in September to a still moderately hot 78.1°F (25.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Galveston, is also an agreeable month, with an average temperature fluctuating between 68.9°F (20.5°C) and 61.3°F (16.3°C). In Galveston, the average high-temperature in November decreases from a warm 78.1°F (25.6°C) in October to an agreeable 68.9°F (20.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Galveston, Texas, with an average temperature fluctuating between 62.6°F (17°C) and 54.9°F (12.7°C). In Galveston, the average high-temperature in December slightly decreases from a pleasant 68.9°F (20.5°C) in November to an enjoyable 62.6°F (17°C). Weather in December »
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FAQ

What is the coldest month in Galveston?

January is the coldest month in Galveston, with an average high-temperature of 59.7°F (15.4°C) and an average low-temperature of 51.6°F (10.9°C).

How many days does it rain in Galveston?

Throughout the year, in Galveston, Texas, there are 161.9 rainfall days, and 24.33" (618mm) of precipitation is accumulated.

When does it snow in Galveston?

January and February are months with snowfall in Galveston.

When does it snow the most in Galveston?

January has the most snowfall days of the year in Galveston, Texas. Snow falls for 0.3 days.

How many days does it snow in Galveston?

Throughout the year, in Galveston, Texas, there are 0.4 snowfall days.

What month is the ocean coldest in Galveston?

With an average ocean temperature of 56.5°F (13.6°C), January is the month with the coldest seawater.

When is the lowest UV index in Galveston?

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Galveston.

What is the most humid month in Galveston?

February and March, with an average relative humidity of 81%, are most humid months in Galveston.

What is the driest month in Galveston?

February and March are months with the least rain in Galveston, Texas, when the rain falls for 10.8 days and typically aggregates up to 0.75" (19mm) of rain.

When it does not snow in Galveston?

March through December are months without snowfall in Galveston, Texas.

When is Daylight Saving Time (DST) in Galveston?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the month with the highest UV index in Galveston?

The months with the highest UV index are May through September, with an average maximum UV index of 7.

When are the longest days in Galveston?

With an average of 13h and 59min of daylight, June has the longest days of the year in Galveston.

What is the warmest month in Galveston?

With an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 81.9°F (27.7°C), August is the warmest month.

What is the month with the warmest ocean in Galveston?

August is the month with the warmest seawater in Galveston, Texas, with an average ocean temperature of 87.3°F (30.7°C).

What month has the most sunshine in Galveston?

August has the most sunshine of the year, with an average of 10.9h of sunshine.

What is the rainiest month in Galveston?

The month with the most rainfall in Galveston is September, when the rain falls for 19.9 days and typically aggregates up to 4.29" (109mm) of precipitation.

What is the least humid month in Galveston?

With an average relative humidity of 72%, October is the least humid month in Galveston.

What is the month with the shortest days in Galveston?

The month with the shortest days is December, with an average of 10h and 19min of daylight.

What is the month with the least sunshine in Galveston?

The month with the least sunshine in Galveston, Texas, is December, with an average of 4.9h of sunshine.

Average temperature
Galveston, TX

Average temperature - Galveston, TX

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (59.7°F).

The month with the highest average low temperature is August (81.9°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).

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Average pressure
Galveston, TX

Average pressure - Galveston, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Galveston, TX

Average wind speed - Galveston, TX

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).

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Average humidity
Galveston, TX

Average humidity - Galveston, TX

The months with the highest relative humidity are February and March (81%).
The month with the lowest relative humidity is October (72%).

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Average rainfall
Galveston, TX

Average rainfall - Galveston, TX

The wettest month (with the highest rainfall) is September (4.29").
The driest months (with the least rainfall) are February and March (0.75").

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Average rainfall days
Galveston, TX

Average rainfall days - Galveston, TX

The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is January (10.1 days).

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Average snowfall days
Galveston, TX

Average snowfall days - Galveston, TX

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature
Galveston, TX

Average sea temperature - Galveston, TX

The best month for swimming (with the highest average sea temperature) is August (87.2°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).

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Average daylight / Average sunshine
Galveston, TX

Average daylight / Average sunshine - Galveston, TX

The month with the longest days is June (Average daylight: 13h and 59min).
The month with the shortest days is December (Average daylight: 10h and 19min).

The month with the most sunshine is August (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 4.9h).

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Average sunshine days
Galveston, TX

Average sunshine days - Galveston, TX

The month with the most sunshine days is January (18.2 days).
The month with the least sunshine days is August (8.3 days).

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Average UV index
Galveston, TX

Average UV index - Galveston, TX

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average visibility
Galveston, TX

Average visibility - Galveston, TX

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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