World Resorts USA Mustang Island Weather

Mustang Island weather in August

Weather in Mustang Island: August

Average day temperature: 89.5°F
Average night temperature: 83.3°F
Sea water temperature: 86.4°F
Number of sunny days: 16 days
Day length: 12.7 - 13.4 hours
Number of rainy days: 1 day
Precipitation totals: 0.8 in.

Air temperature in August, °F

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2023
2022
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0
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105
120
Day temperature   
Night temperature

The highest day temperature during August of 2024 was 89°F. At the same time the lowest night temperature was 82°F. Daily and nightly averages during August were 86.7°F and 85.1°F.

Sea water temperature in Mustang Island in August, °F

Show year:
2024
2023
2022
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79
82
85
88
91
94

The average sea water temperature in August of 2024 was 87.8°F. The highest and lowest sea temperatures during the month were 89.2°F and 85.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
50%
41%
9%

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, 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 August is 0.8 in. Other months of the year show relatively similar values.

Wind speed in August, 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
12.3
13.0
13.5
13.5
12.9
12.5
12.4
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 August is 11.2 mph It makes August one of the least windy months of the year.

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
9.2
9.2
7.4
6.4
6.4
5.3
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 August is: 8.9.

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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24 Hours Forecast
Mustang Island
Local time: 22:26
April 06, sunday
0000
63°F
S
27 mph
0300
57°F
S
26 mph
0600
52°F
SE
26 mph
0900
52°F
SE
23 mph
1200
61°F
SE
20 mph
1500
68°F
SE
19 mph
1800
70°F
S
21 mph
2100
63°F
S
17 mph
Units of measurement: °C / °F