Galveston weather by month

Check out Galveston weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Galveston (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	59	61	68	75	81	86	88	88	86	79	70	63
Min temperature (night-time)	46	50	55	64	72	77	79	79	75	66	57	50
Heat & Humidity	0	0	0	0	M	H	VH	VH	H	L	0	0
Sea temperature	59	59	63	70	77	82	84	86	84	77	70	63

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Galveston

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	6	7	7	9	10	10	9	8	8	6	5
Daily hours of daylight	11	11	12	13	14	14	14	13	12	11	11	10
UV Index (Maximum)	4	6	8	10	10	11	11	10	9	7	5	4

Rainfall in Galveston

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	10	7	7	5	7	7	8	9	10	6	7	8
Average monthly rainfall (inches)	3.4	3.0	2.2	2.8	3.9	4.4	3.9	4.3	5.4	3.1	3.3	3.5

More about Galveston

Galveston by month

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

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The climate guide for Texas (Galveston) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Galveston?

Galveston has a temperate climate with hot summers and some rainfall in all months.

Galveston weather in January

Expect daytime maximum temperatures of 59°F in Galveston, Texas in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 3.4 inches of rainfall in the month.

59
59°F max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
46
46°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.4
3.4 inches of monthly rainfall
4
4 (Moderate) UV index
59
59°F sea temperature

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Galveston weather in February

Expect daytime maximum temperatures of 61°F in Galveston, Texas in February based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 3.0 inches of rainfall in the month.

61
61°F max day temperature
6
6 hours of sunshine per day
7
7 days with some rainfall
50
50°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.0
3.0 inches of monthly rainfall
6
6 (High) UV index
59
59°F sea temperature

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Galveston weather in March

Expect daytime maximum temperatures of 68°F in Galveston, Texas in March based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.2 inches of rainfall in the month.

68
68°F max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
55
55°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
2.2
2.2 inches of monthly rainfall
8
8 (Very High) UV index
63
63°F sea temperature

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Galveston weather in April

Expect daytime maximum temperatures of 75°F in Galveston, Texas in April based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.8 inches of rainfall in the month.

75
75°F max day temperature
7
7 hours of sunshine per day
5
5 days with some rainfall
64
64°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
10
10 (Very High) UV index
70
70°F sea temperature

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Galveston weather in May

Expect daytime maximum temperatures of 81°F in Galveston, Texas in May based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 3.9 inches of rainfall in the month.

81
81°F max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
72
72°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
3.9
3.9 inches of monthly rainfall
10
10 (Very High) UV index
77
77°F sea temperature

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Galveston weather in June

Expect daytime maximum temperatures of 86°F in Galveston, Texas in June and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 4.4 inches of rainfall in the month.

86
86°F max day temperature
10
10 hours of sunshine per day
7
7 days with some rainfall
77
77°F min night temperature
14
14 hours of daylight per day
H
High heat & humidity
4.4
4.4 inches of monthly rainfall
11
11 (Extreme) UV index
82
82°F sea temperature

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Galveston weather in July

Expect daytime maximum temperatures of 88°F in Galveston, Texas in July and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 3.9 inches of rainfall in the month.

88
88°F max day temperature
10
10 hours of sunshine per day
8
8 days with some rainfall
79
79°F min night temperature
14
14 hours of daylight per day
VH
Very High heat & humidity
3.9
3.9 inches of monthly rainfall
11
11 (Extreme) UV index
84
84°F sea temperature

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Galveston weather in August

Expect daytime maximum temperatures of 88°F in Galveston, Texas in August and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 4.3 inches of rainfall in the month.

88
88°F max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
79
79°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
4.3
4.3 inches of monthly rainfall
10
10 (Very High) UV index
86
86°F sea temperature

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Galveston weather in September

Expect daytime maximum temperatures of 86°F in Galveston, Texas in September and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 5.4 inches of rainfall in the month.

86
86°F max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
5.4
5.4 inches of monthly rainfall
9
9 (Very High) UV index
84
84°F sea temperature

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Galveston weather in October

Expect daytime maximum temperatures of 79°F in Galveston, Texas in October based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 3.1 inches of rainfall in the month.

79
79°F max day temperature
8
8 hours of sunshine per day
6
6 days with some rainfall
66
66°F min night temperature
11
11 hours of daylight per day
L
Low heat & humidity
3.1
3.1 inches of monthly rainfall
7
7 (High) UV index
77
77°F sea temperature

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Galveston weather in November

Expect daytime maximum temperatures of 70°F in Galveston, Texas in November based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 3.3 inches of rainfall in the month.

70
70°F max day temperature
6
6 hours of sunshine per day
7
7 days with some rainfall
57
57°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.3
3.3 inches of monthly rainfall
5
5 (Moderate) UV index
70
70°F sea temperature

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Galveston weather in December

Expect daytime maximum temperatures of 63°F in Galveston, Texas in December based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 3.5 inches of rainfall in the month.

63
63°F max day temperature
5
5 hours of sunshine per day
8
8 days with some rainfall
50
50°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
4
4 (Moderate) UV index
63
63°F sea temperature

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