World Resorts USA Siesta Key Weather

Siesta Key weather in April

Weather in Siesta Key: April

Average day temperature: 81.0°F
Average night temperature: 68.5°F
Sea water temperature: 75.8°F
Number of sunny days: 18 days
Day length: 12.5 - 13.2 hours
Number of rainy days: 2 days
Precipitation totals: 0.8 in.

Air temperature in April, °F

Show year:
2026
2025
2024

The highest day temperature during April of 2026 was 88°F. At the same time the lowest night temperature was 60°F. Daily and nightly averages during April were 82.8°F and 66.4°F.

Sea water temperature in Siesta Key in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 73.8°F. The highest and lowest sea temperatures during the month were 76.8°F and 71.2°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in April, in.

Precipitation total value in Siesta Key in April is 0.8 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 10.3 mph It makes April one of the most 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 April is: 9.6.

Best time for vacation in Siesta Key

Sunniest months:
March 21 days
May 19 days
April 18 days
Warmest months:
August 88.3 °F
July 88.3 °F
June 87.0 °F
Warmest sea temp:
August 87.5 °F
July 87.1 °F
September 85.9 °F
Coldest months:
January 66.9 °F
February 70.7 °F
December 70.9 °F
Rainiest months:
July 4 days
September 4 days
June 4 days
Windiest months:
October 10.6 mph
November 10.5 mph
January 10.4 mph

Siesta Key on a weather map

Siesta Key
+81°F
SW 14 mph
Feels like: +86°F
Precip.: 18%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
Siesta Key
Local time: 12:09
October 29, thursday
1500
82°F
SW
13 mph
1800
82°F
SW
11 mph
2100
77°F
SW
12 mph
October 30, friday
0000
75°F
SW
12 mph
0300
73°F
SW
12 mph
0600
73°F
SW
11 mph
0900
75°F
SW
12 mph
1200
82°F
W
14 mph
Units of measurement: °C / °F