World Resorts USA Galveston Island Weather

Galveston Island sea water temperature

Current sea water temperature:
+73.9°F
Minimum sea water temperature in April: 76.6°F
Maximum sea water temperature in April: 65.7°F
Average sea water temperature in April: 72.3°F

Sea water temperature for the last 10 days:

April 17 73.9°F April 12 71.1°F
April 16 73.2°F April 11 70.0°F
April 15 73.6°F April 10 69.4°F
April 14 73.9°F April 9 70.9°F
April 13 72.9°F April 8 72.1°F

When is the warmest sea in Galveston Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Galveston Island was noticed in August, July and September.

Monthly Sea Temperatures in Galveston Island, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
63.2
70.9
78.3
85
87.4
86.1
84.7
78.9
72.3
65.4
58.6
59

Sea water temperature in August, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
81
83
85
87
89
91
93
95

The average sea water temperature in August of 2024 was 88.5°F. The highest and lowest sea temperatures during the month were 90.3°F and 86.0°F.

Sea water temperature in July, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
81
83
85
87
89
91
93
95

The average sea water temperature in July of 2024 was 86.4°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.1°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
76
79
82
85
88
91
94

The average sea water temperature in September of 2024 was 84.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 80.2°F.

Best time for vacation in Galveston Island

Sunniest months:
October 16 days
June 14 days
September 13 days
Warmest months:
August 89.5 °F
July 88.7 °F
June 88.0 °F
Warmest sea temp:
August 87.5 °F
July 86.1 °F
September 85.0 °F
Coldest months:
January 58.6 °F
February 59.9 °F
December 63.6 °F
Rainiest months:
July 4 days
May 4 days
November 3 days
Windiest months:
April 11.7 mph
January 11.2 mph
May 11.0 mph

Galveston Island on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+48°F
+54°F
+73°F
+73°F
+66°F
+57°F
+75°F
+52°F
+70°F
+59°F
+52°F
+70°F
+72°F
+72°F
+57°F
24 Hours Forecast
Galveston Island
Local time: 00:14
April 18, friday
0300
70°F
N
15 mph
0600
70°F
N
13 mph
0900
73°F
N
16 mph
1200
75°F
N
19 mph
1500
77°F
N
18 mph
1800
75°F
N
16 mph
2100
73°F
NW
15 mph
April 19, saturday
0000
72°F
NW
14 mph
Units of measurement: °C / °F