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Galveston Weather in December
Thinking of visiting Galveston in December? Expect moderate temperatures reaching 18°C (64°F) during the day, dropping to 11°C (52°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Galveston in December
Historically, the month has about 9 days of rain, averaging 82 mm (3.2 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Galveston in December
December in Galveston brings moderate temperatures, with highs of 18°C (64°F) and nights around 11°C (52°F). December marks the winter season. Conditions are often most pleasant around the middle of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Galveston in December
The area enjoys a moderate level of sunlight, with around 151 hours. It's a good balance between sunny and cloudy days.If your ideal day consists of dry skies and pleasant temperatures, March, April, May and November typically offer the best circumstances for Galveston.
Galveston Temperature in December
Min Temperature
11°C (52°F)
Max Temperature
18°C (64°F)
Chance of Rain
30%
Precipitation
82 mm (3.2 in)
Rainy days
9 days
Sunshine
151 hours
Percentage Sunshine
48%
Galveston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Galveston - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Galveston typically stay consistent throughout December, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in December
Historical weather records for Galveston in December
Browse day-by-day weather records for Galveston spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Galveston historical weather extremes in December
Based on weather observations in Galveston between 1997 and 2025, these are the recorded extremes during December.
- The hottest December day on record in Galveston reached 27°C (81°F) (December 28, 2021).
- The lowest overnight temperature recorded in December was -6°C (21°F) (December 23, 2022).
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Galveston in December
For Galveston in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Galveston in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling6/10 -
Walking6/10 -
Barbeque6/10 -
Camping8/10 -
Outdoor sports9/10
Galveston 3-Day Forecast
More climate data for Galveston
See the full Galveston climate overview or explore weather in the United States of America.
Popular in December
Where to go in December - average daytime high across popular destinations.
Miami Beach
25°C (77°F) Kissimmee24°C (75°F) Orlando
24°C (75°F) Destin
18°C (64°F) Los Angeles18°C (64°F) Big Bear Lake9°C (48°F) New York City8°C (46°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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