Galveston weather by month

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

Temperature in Galveston (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
59°F maximum daytime temperature in January in Galveston59
61°F maximum daytime temperature in February in Galveston61
68°F maximum daytime temperature in March in Galveston68
75°F maximum daytime temperature in April in Galveston75
81°F maximum daytime temperature in May in Galveston81
86°F maximum daytime temperature in June in Galveston86
88°F maximum daytime temperature in July in Galveston88
88°F maximum daytime temperature in August in Galveston88
86°F maximum daytime temperature in September in Galveston86
79°F maximum daytime temperature in October in Galveston79
70°F maximum daytime temperature in November in Galveston70
63°F maximum daytime temperature in December in Galveston63
Min temperature (night-time)
46°F minimum night-time temperature in January in Galveston46
50°F minimum night-time temperature in February in Galveston50
55°F minimum night-time temperature in March in Galveston55
64°F minimum night-time temperature in April in Galveston64
72°F minimum night-time temperature in May in Galveston72
77°F minimum night-time temperature in June in Galveston77
79°F minimum night-time temperature in July in Galveston79
79°F minimum night-time temperature in August in Galveston79
75°F minimum night-time temperature in September in Galveston75
66°F minimum night-time temperature in October in Galveston66
57°F minimum night-time temperature in November in Galveston57
50°F minimum night-time temperature in December in Galveston50
Heat & Humidity
No heat & humidity in January in Galveston0
No heat & humidity in February in Galveston0
No heat & humidity in March in Galveston0
No heat & humidity in April in Galveston0
Moderate heat & humidity in May in GalvestonM
High heat & humidity in June in GalvestonH
Very high heat & humidity in July in GalvestonVH
Very high heat & humidity in August in GalvestonVH
High heat & humidity in September in GalvestonH
Low heat & humidity in October in GalvestonL
No heat & humidity in November in Galveston0
No heat & humidity in December in Galveston0
Sea temperature
59°F sea temperature in January in Galveston59
59°F sea temperature in February in Galveston59
63°F sea temperature in March in Galveston63
70°F sea temperature in April in Galveston70
77°F sea temperature in May in Galveston77
82°F sea temperature in June in Galveston82
84°F sea temperature in July in Galveston84
86°F sea temperature in August in Galveston86
84°F sea temperature in September in Galveston84
77°F sea temperature in October in Galveston77
70°F sea temperature in November in Galveston70
63°F sea temperature in December in Galveston63

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
Daily hours of daylight
11 hours of daylight per day in January in Galveston11
11 hours of daylight per day in February in Galveston11
12 hours of daylight per day in March in Galveston12
13 hours of daylight per day in April in Galveston13
14 hours of daylight per day in May in Galveston14
14 hours of daylight per day in June in Galveston14
14 hours of daylight per day in July in Galveston14
13 hours of daylight per day in August in Galveston13
12 hours of daylight per day in September in Galveston12
11 hours of daylight per day in October in Galveston11
11 hours of daylight per day in November in Galveston11
10 hours of daylight per day in December in Galveston10
UV Index (Maximum)
UV (maximum) index 4 (Moderate) in January in Galveston4
UV (maximum) index 6 (High) in February in Galveston6
UV (maximum) index 8 (Very High) in March in Galveston8
UV (maximum) index 10 (Very High) in April in Galveston10
UV (maximum) index 10 (Very High) in May in Galveston10
UV (maximum) index 11 (Extreme) in June in Galveston11
UV (maximum) index 11 (Extreme) in July in Galveston11
UV (maximum) index 10 (Very High) in August in Galveston10
UV (maximum) index 9 (Very High) in September in Galveston9
UV (maximum) index 7 (High) in October in Galveston7
UV (maximum) index 5 (Moderate) in November in Galveston5
UV (maximum) index 4 (Moderate) in December in Galveston4

Rainfall in Galveston

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Galveston10
7 days with some rainfall in February in Galveston7
7 days with some rainfall in March in Galveston7
5 days with some rainfall in April in Galveston5
7 days with some rainfall in May in Galveston7
7 days with some rainfall in June in Galveston7
8 days with some rainfall in July in Galveston8
9 days with some rainfall in August in Galveston9
10 days with some rainfall in September in Galveston10
6 days with some rainfall in October in Galveston6
7 days with some rainfall in November in Galveston7
8 days with some rainfall in December in Galveston8
Average monthly rainfall (inches)
3.4 inches monthly rainfall in January in Galveston3.4
3.0 inches monthly rainfall in February in Galveston3.0
2.2 inches monthly rainfall in March in Galveston2.2
2.8 inches monthly rainfall in April in Galveston2.8
3.9 inches monthly rainfall in May in Galveston3.9
4.4 inches monthly rainfall in June in Galveston4.4
3.9 inches monthly rainfall in July in Galveston3.9
4.3 inches monthly rainfall in August in Galveston4.3
5.4 inches monthly rainfall in September in Galveston5.4
3.1 inches monthly rainfall in October in Galveston3.1
3.3 inches monthly rainfall in November in Galveston3.3
3.5 inches monthly rainfall in December in Galveston3.5

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.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Galveston, Texas hurricane season

% of month affected by tropical storms
0
0
0
0
0
1.4%
1.5%
2.1%
3.2%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Galveston with the USA

Below the Galveston chart shows average maximum daytime temperature for Galveston, Texas, USA and the USA (Washington).

Maximum daytime temperature (°F)

Galveston, Texas, USA
USA (Washington)
59
41
61
45
68
55
75
66
81
75
86
84
88
88
88
86
86
79
79
68
70
57
63
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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