Siesta Key (FL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Siesta Key.
Climate overview of Siesta Key
Temperatures in Siesta Key, Florida, United States of America, shift moderately through the seasons. The warmest month is August at 32°C (90°F), and the coolest is January at 22°C (72°F).
Rainfall is high, totalling around 1102 mm (43 in) per year. September is the wettest month and November the driest. The city also experiences a distinct dry season from November to December.
Siesta Key Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Siesta Key — and find the best time to visit.
Monthly Temperature in Siesta Key
The weather in Siesta Key changes moderately throughout the year, offering enough variation to appreciate each season. Average maximum daytime temperatures range from a very warm 32°C (90°F) in August, the warmest time of the year, to a pleasant 22°C (72°F) during cooler months like January.
At night, you can expect temperatures ranging from 25°C (77°F) in August to around 12°C (54°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Siesta Key
Siesta Key has a notably wet climate with abundant precipitation, recording 1102 mm (43 in) of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, September it receives heavy rainfall, averaging 190 mm (7.5 in) of precipitation, recorded across 18 rainy days. In contrast, the driest month November brings less rainfall, with 33 mm (1.3 in) over 5 rainy days. For more details, please visit our Siesta Key Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Siesta Key
The wettest months are July, August and September, when precipitation is at its highest. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Siesta Key
What is the best time to visit Siesta Key?
January, February, March, April, October, November and December typically offer the most optimal weather in Siesta Key. In contrast, August and September tend to have less optimal conditions. Siesta Key has a distinct dry season from November to December.
What temperatures can I expect in Siesta Key?
Daytime highs range from 22°C (72°F) in January to 32°C (90°F) in August. Nighttime lows range from 12°C (54°F) to 25°C (77°F).
How much rain does Siesta Key get?
Annual rainfall is around 1102 mm (43 in). September is the wettest month with 190 mm (7.5 in), while November is the driest with 33 mm (1.3 in).
Siesta Key 3-Day Forecast
Siesta Key (FL) 3-Day Forecast
Siesta Key on the map
Siesta Key is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.