Siesta Key Weather: May
 |
Average Day Temperature: | 89.2°F |
|
Average Night Temperature: | 76.3°F |
|
Sea Water Temperature: | 84.3°F |
|
Number of Sunny Days: | 19 days |
| Sunshine Hours: | 13.2 - 13.7 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
14 day weather
forecast
forecast
| Siesta Key |
Sea Water
Temperature
Temperature
| Siesta Key |
Air Temperature in May, °F
The highest day temperature in May 2026 was 96°F. The lowest night temperature was 67°F. The average values for day and night temperatures during May were 91.4°F и 75.8°F respectivly.
Siesta Key Water Sea Temperature in May, °F
The average sea surface temperature in May 2026 for Siesta Key was 84.8°F. The maximum and minimum values were 80.2°F and 88.8°F respectively.
Sunny, Cloudy and Gloomy days
Most of the days in May are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Siesta Key is 0.9 in.
Wind Speed in May, mph
The average wind speed in May is 9.1 mph.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Siesta Key in May is 9.9 hours.
Siesta Key on the Weather Map
USA Resorts:
NAME
F°
| Boston |  |
+90 |
| Chicago | |
+76 |
| Hawaii |  |
+78 |
| Honolulu | |
+78 |
| Houston |  |
+86 |
| Las Vegas | |
+92 |
| Los Angeles |  |
+70 |
| Maui | |
+70 |
| Miami | |
+82 |
| Miami Beach | |
+84 |
| New York | |
+94 |
| San Diego | |
+64 |
| San Francisco | |
+60 |
| Sarasota | |
+94 |
| Tampa | |
+92 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Siesta Key
Local time: 13:00
04 jun, thursday
| 1500 |  |
88°F | W 12 mph |
| 1800 |  |
88°F | SW 11 mph |
| 2100 |  |
82°F | W 18 mph |
05 jun, friday
| 0000 | |
78°F | W 16 mph |
| 0300 | |
78°F | W 12 mph |
| 0600 | |
76°F | W 10 mph |
| 0900 | |
78°F | W 12 mph |
| 1200 | |
84°F | W 12 mph |