Temperatures in December
It's pleasantly warm in December in Galveston with an average temperature of 20°C. Temperatures this month range from a low of 17°C to a high of 22°C. At night, you can expect temperatures between 11°C and 15°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Galveston in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Galveston with mild temperatures, averaging around 21°C during the day and nights close to 14°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-December
By mid-December, the average daytime temperature drops to around 20°C, with nights close to 14°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of December
By the end of December, the average daytime temperature in Galveston will be around 20°C, with nights close to 14°C. A shower might show up, but overall the weather will be dry and sunny.
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Water temperature
The water temperature at Galveston is 20°C this month. Refreshing if you fancy a swim.
Precipitation in December
In December, there is an average of 108 mm of precipitation, spread over 7 days. Of the total precipitation, about 0,1 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 22% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Galveston. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Galveston in December |
London | ||
|---|---|---|---|
 Average Temperature |
20°C | 9°C | |
 High Temp |
22°C | 11°C | |
| Low Temp |
17°C | 8°C | |
 Total Precipitation |
108 mm | 67 mm | |
| Rainy Days |
7 days | 10 days | |
 Total Snowfall |
0,1 cm | 1,2 cm | |
| Snowy Days |
1 day | 1 day | |
November
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is December a good time to visit Galveston?
After some sun? Then December isn’t the best time to be in Galveston. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in Galveston runs from June to November.
Temperature records for Galveston in December
With 28°C, Galveston hit the highest temperature in the last 10 years in December 2021. The lowest daytime temperature in this month was 1°C in 2022. The extreme night temperatures ranged from a low of -6°C to a high of 23°C.
Check out the climate of Galveston for all months and discover the best travel time
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Daily Temperature in December in Galveston
This chart shows the average daily temperatures, both day and night, for each day in December in Galveston, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Galveston
The chart below shows the average daily precipitation in December for Galveston, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 7 days of rain in Galveston.
Daily Snowfall in December in Galveston
This chart shows the average daily snowfall in December in Galveston, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.
Daily UV Index in December in Galveston
This chart shows the average daily UV index in December in Galveston, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Galveston Over the Years
This chart shows the average temperature in December in Galveston, measured in degrees Celsius, over the past years.
Total Precipitation in December in Galveston Over the Years
This chart shows the average precipitation in December in Galveston, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in December in Galveston per year
This chart shows the average snowfall in December in Galveston, measured in centimetres, over the past years.
Daily climate in December for Galveston
Click on a specific day in December for detailed info on the typical weather on that day in Galveston. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Galveston
Have you been to Galveston in December?
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Average Weather in Galveston by Month
Click on a month below to see detailed weather info for Galveston. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Galveston for all months at once
