The chart below provides historical data on average temperature highs and lows, rainfall and Gulf water temperatures.
SIESTA KEY WEATHER
Siesta Key has an almost-perfect subtropical climate. Average temperatures are a balmy 75 degrees! Temperatures are moderated by breezes off the Gulf of Mexico. It is rarely less than 60 degrees during the winter or over 93 degrees in the summer.
Month |
High |
Low |
Rainfall |
Gulf Water |
|
January |
72° |
51° |
2.9″ |
63° |
|
February |
74° |
53° |
2.6″ |
64° |
|
March |
77° |
57° |
3.3″ |
68° |
|
April |
82° |
60° |
1.8″ |
74° |
|
May |
87° |
65° |
2.8″ |
78° |
|
June |
90° |
71° |
7.4″ |
83° |
|
July |
91° |
73° |
8.7″ |
86° |
|
August |
91° |
73° |
9.4″ |
87° |
|
September |
90° |
72° |
7.2″ |
85° |
|
October |
85° |
65° |
2.9″ |
79° |
|
November |
80° |
59° |
2.3″ |
72° |
|
December |
74° |
53° |
2.4″ |
67° |