World Resorts USA Siesta Key

Siesta Key Monthly Weather Averages

Please click on any column to get detailed information about Siesta Key weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Siesta Key is august. The average daily temp is 88.3°F. The average nightly temp is 80.8°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 87.4°F.

Precipitation total, in.

January is the month with least precipitations during the year. The average precipitation totals for this month is 0.4 in. The month with most precipitation total is September.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

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
+81°F
N 15 mph
Feels like: +86°F
Precip.: 0%
Places in USA:
Name
°F
+59°F
+64°F
+72°F
+72°F
+64°F
+63°F
+82°F
+66°F
+84°F
+63°F
+66°F
+84°F
+86°F
+86°F
+50°F
24 Hours Forecast
Siesta Key
Local time: 12:21
May 09, thursday
1500
81°F
NE
14 mph
1800
81°F
NE
11 mph
2100
79°F
NE
9 mph
May 10, friday
0000
77°F
NE
10 mph
0300
77°F
NE
7 mph
0600
77°F
N
9 mph
0900
79°F
N
14 mph
1200
81°F
NE
13 mph
Units of measurement: °C / °F