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December weather forecast in Galveston

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

30 November, sun

	764 mmHg		77%
	6.1 m/s		+20

30 November, Sunday. day, 20°; night, 13°; partly cloudy

1 December, mon

	765 mmHg		74%
	5.2 m/s		+19

1 December, Monday. day, 19°; night, 11°; clear

2 December, tue

	765 mmHg		78%
	5.2 m/s		+19

2 December, Tuesday. day, 19°; night, 12°; clear

3 December, wed

	764 mmHg		80%
	5.7 m/s		+19

3 December, Wednesday. day, 20°; night, 14°; partly cloudy

4 December, thu

	765 mmHg		80%
	5.3 m/s		+19

4 December, Thursday. day, 19°; night, 14°; rain

5 December, fri

	765 mmHg		80%
	5.5 m/s		+19

5 December, Friday. day, 18°; night, 12°; rain

6 December, sat

	765 mmHg		78%
	5.5 m/s		+19

6 December, Saturday. day, 18°; night, 11°; partly cloudy

7 December, sun

	765 mmHg		79%
	5.3 m/s		+19

7 December, Sunday. day, 17°; night, 11°; overcast

8 December, mon

	764 mmHg		82%
	6 m/s		+18

8 December, Monday. day, 19°; night, 11°; rain

9 December, tue

	764 mmHg		80%
	5.8 m/s		+18

9 December, Tuesday. day, 19°; night, 12°; rain

10 December, wed

	765 mmHg		74%
	6.4 m/s		+18

10 December, Wednesday. day, 18°; night, 11°; clear

11 December, thu

	765 mmHg		76%
	6 m/s		+18

11 December, Thursday. day, 18°; night, 10°; clear

12 December, fri

	765 mmHg		76%
	6 m/s		+18

12 December, Friday. day, 18°; night, 11°; rain

13 December, sat

	764 mmHg		79%
	6 m/s		+18

13 December, Saturday. day, 18°; night, 11°; rain

14 December, sun

	764 mmHg		79%
	5.9 m/s		+18

14 December, Sunday. day, 19°; night, 11°; clear

15 December, mon

	764 mmHg		80%
	6.3 m/s		+18

15 December, Monday. day, 19°; night, 12°; clear

16 December, tue

	764 mmHg		79%
	6.1 m/s		+18

16 December, Tuesday. day, 18°; night, 12°; partly cloudy

17 December, wed

	765 mmHg		77%
	5.8 m/s		+17

17 December, Wednesday. day, 17°; night, 10°; clear

18 December, thu

	765 mmHg		78%
	5.6 m/s		+17

18 December, Thursday. day, 18°; night, 9°; clear

19 December, fri

	765 mmHg		76%
	6.1 m/s		+17

19 December, Friday. day, 17°; night, 10°; clear

20 December, sat

	765 mmHg		78%
	6.3 m/s		+17

20 December, Saturday. day, 17°; night, 11°; rain

21 December, sun

	765 mmHg		76%
	5.7 m/s		+17

21 December, Sunday. day, 18°; night, 11°; clear

22 December, mon

	764 mmHg		80%
	6 m/s		+17

22 December, Monday. day, 18°; night, 11°; rain

23 December, tue

	764 mmHg		78%
	6.6 m/s		+17

23 December, Tuesday. day, 18°; night, 10°; rain

24 December, wed

	765 mmHg		76%
	6.3 m/s		+17

24 December, Wednesday. day, 17°; night, 10°; rain

25 December, thu

	765 mmHg		74%
	6.1 m/s		+17

25 December, Thursday. day, 15°; night, 9°; partly cloudy

26 December, fri

	765 mmHg		78%
	5.9 m/s		+17

26 December, Friday. day, 16°; night, 9°; overcast

27 December, sat

	764 mmHg		80%
	5.7 m/s		+17

27 December, Saturday. day, 18°; night, 10°; partly cloudy

28 December, sun

	764 mmHg		79%
	6.1 m/s		+17

28 December, Sunday. day, 18°; night, 10°; partly cloudy

29 December, mon

	764 mmHg		78%
	5.4 m/s		+17

29 December, Monday. day, 17°; night, 10°; clear

30 December, tue

	764 mmHg		79%
	5.3 m/s		+17

30 December, Tuesday. day, 17°; night, 10°; overcast

31 December, wed

	763 mmHg		82%
	5.4 m/s		+17

31 December, Wednesday. day, 18°; night, 11°; overcast

1 January, thu

	764 mmHg		79%
	6.1 m/s		+17

1 January, Thursday. day, 17°; night, 11°; overcast

2 January, fri

	766 mmHg		76%
	6.4 m/s		+16

2 January, Friday. day, 16°; night, 10°; overcast

3 January, sat

	766 mmHg		75%
	5.8 m/s		+16

3 January, Saturday. day, 15°; night, 8°; clear

Average data for 10 years

Galveston December

11

sunny days

10

days with precipitation

9

cloudy days

11 sunny days; 10 days with precipitation; 9 cloudy days;

78

%

air humidity

4

m/s

WindS

107

mm of precipitation

(9% of annual average)

+18

°C

Water temperature

air humidity 78%; 107 millimeters of precipitation (9% of annual average); Wind southerly 4 Meters per second; Water temperature +18°

Weather graphs for December

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

SE

S

S

S

S

SE

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SE

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Houston
Austin
Texas City
San Antonio
Palestine
Baton Rouge
Tyler
The Woodlands
Cameron

Cities with similar weather in December

Alanya
Side
Belek
Los Angeles
Paphos
Jerba
Limassol
Rhodes
Aqaba

The weather forecast for December 2025 is based on historical data from the past 10 years.

In December, the weather in Galveston is typically warm. Average daily high temperature in December is about 18 degrees above zero. On average, Galveston has 11 sunny, 10 rainy, 6 partly cloudy, and 4 cloudy days in December. The rains are usually heavy.

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