Normal weather for Galveston 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.

In December, there is an average of 108 mm of precipitation, spread over 12 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.

Galveston in December		New York
Average Temperature	20°C	9°C
High Temp	22°C	12°C
Low Temp	17°C	4°C
Total Precipitation	108 mm	133 mm
Rainy Days	12 days	17 days
Total Snowfall	0,1 cm	9,7 cm
Snowy Days	1 day	3 days

Start of December

The month of December starts in Galveston with mild temps, averaging around 21°C during the day and nights around 14°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.

With the temperature difference between day and night, it’s smart to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

Mid December

By mid-December, daytime temps drop to around 20°C, with nights around 14°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

End of December

By the end of December, the average daytime temperature in Galveston is around 20°C, while nighttime temps are about 14°C. A shower might pop up, but overall, the weather will be dry and sunny.

Because temperatures drop in the evening, wearing layers is recommended. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

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Water temperature

The water temperature at Galveston is 20°C this month. Refreshing if you feel like a swim.

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?

Looking for sun? December isn’t a good month to be in Galveston. The temperature is nice, but there’s too much chance of rain.

The hurricane season in Galveston runs from June to November.

Temperature records for Galveston in December

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 high and low temperatures in December for Galveston, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Precipitation in December in Galveston

The chart below shows the average daily precipitation in December for Galveston, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 12 days of precipitation in Galveston.

Daily Precipitation in December in Galveston

Daily Snowfall in December in Galveston

This chart shows the average daily snowfall in December in Galveston, measured in centimeters. 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 few years.

Total Precipitation in December in Galveston Over the Years

This chart shows the average precipitation in December in Galveston, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Snowfall in December in Galveston per year

This chart shows the average snowfall in December in Galveston, measured in centimeters, over the past few years.

Snowfall in December in Galveston over the past years

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Daily Climate in December for Galveston

Click on any day in December to get detailed info about the usual weather on that day in Galveston. Check out the historical temperatures and precipitation over the past 10 years on this day.

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.