World Resorts USA Siesta Key Weather

Siesta Key weather in August

Weather in Siesta Key: August

Average day temperature: 88.3°F
Average night temperature: 80.8°F
Sea water temperature: 87.4°F
Number of sunny days: 4 days
Day length: 12.7 - 13.4 hours
Number of rainy days: 4 days
Precipitation totals: 2.6 in.

Air temperature in August, °F

Show year:
2023
2022
2021

The highest day temperature during August of 2023 was 91°F. At the same time the lowest night temperature was 78°F. Day and night temperature averages during August were 89.5°F and 82.0°F.

Sea water temperature in Siesta Key in August, °F

Show year:
2023
2022
2021

The average sea water temperature in August of 2023 was 88.9°F. The highest and lowest sea temperatures during the month were 91.4°F and 86.7°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in August, in.

Precipitation total value in Siesta Key in August is 2.6 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 7.4 mph It makes August one of the least windy months of the year.

Average sunny hours

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: 6.6.

Best time for vacation in Siesta Key

Sunniest months:
March 21 days
April 18 days
May 18 days
Warmest months:
August 88.3 °F
July 88.3 °F
June 86.4 °F
Warmest sea temp:
August 87.4 °F
July 86.9 °F
September 85.8 °F
Coldest months:
January 67.5 °F
December 70.2 °F
February 71.1 °F
Rainiest months:
July 5 days
September 5 days
June 5 days
Windiest months:
November 10.7 mph
April 10.4 mph
January 10.2 mph

Siesta Key on a weather map

Siesta Key
+82°F
NW 6 mph
Feels like: +84°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+72°F
+73°F
+73°F
+73°F
+63°F
+81°F
+61°F
+86°F
+63°F
+55°F
+84°F
+84°F
+70°F
+57°F
24 Hours Forecast
Siesta Key
Local time: 10:52
May 03, friday
1200
82°F
NW
6 mph
1500
81°F
E
13 mph
1800
79°F
E
11 mph
2100
77°F
SE
6 mph
May 04, saturday
0000
77°F
W
5 mph
0300
73°F
W
11 mph
0600
72°F
W
10 mph
0900
75°F
NW
10 mph
Units of measurement: °C / °F