World Resorts USA Mustang Island Weather

Mustang Island weather in January

Weather in Mustang Island: January

Average day temperature: 62.1°F
Average night temperature: 57.1°F
Sea water temperature: 61.4°F
Number of sunny days: 10 days
Day length: 10.4 - 10.9 hours
Number of rainy days: 1 day
Precipitation totals: 0.5 in.

Air temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
88
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 67°F. At the same time the lowest night temperature was 38°F. Daily and nightly averages during January were 54.0°F and 52.9°F.

Sea water temperature in Mustang Island in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
49
53
57
61
65
69
73

The average sea water temperature in January of 2025 was 59.1°F. The highest and lowest sea temperatures during the month were 66.9°F and 53.1°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
32%
29%
39%

Number of sunny, partly cloudy and cloudy days in January is almost equal.

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
0.9
1.3
1.6
1.9
2.2
1.2
1.2
1.6
1.0
1.8
1.2
1.2
1.6
1.0
1.8

Precipitation total value in Mustang Island in January is 0.5 in. Other months of the year show relatively similar values.

Wind speed in January, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.3
4.6
7.0
9.3
11.6
13.9
16.2
11.8
11.6
11.3
10.6
11.2
12.3
13.0
13.5
13.5
12.9
12.5
11.8
11.6
11.3
10.6
11.2
12.3
13.0
13.5
13.5
12.9
12.5
12.4

The average wind speed value in January is 12.4 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.1
4.7
6.3
7.9
9.4
11.0
5.2
5.6
7.6
8.0
8.9
9.2
9.2
7.4
6.4
6.4
5.3
5.2
5.6
7.6
8.0
8.9
9.2
9.2
7.4
6.4
6.4
5.3
5.3

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 5.3.

Best time for vacation in Mustang Island

Sunniest months:
July 16 days
August 16 days
October 15 days
Warmest months:
August 89.5 °F
July 88.4 °F
June 87.2 °F
Warmest sea temp:
August 86.4 °F
September 85.2 °F
July 85.2 °F
Coldest months:
January 62.1 °F
February 62.5 °F
December 66.8 °F
Rainiest months:
July 4 days
September 3 days
May 2 days
Windiest months:
April 13.5 mph
May 13.5 mph
June 13.0 mph

Mustang Island on a weather map

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Places in USA:
Name
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+55°F
+54°F
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24 Hours Forecast
Mustang Island
Local time: 07:25
April 17, thursday
0900
72°F
N
19 mph
1200
75°F
N
20 mph
1500
75°F
NW
22 mph
1800
73°F
NW
23 mph
2100
72°F
NW
17 mph
April 18, friday
0000
72°F
NW
19 mph
0300
72°F
N
19 mph
0600
72°F
N
22 mph
Units of measurement: °C / °F