Longboat Key (FL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Longboat Key.
Climate overview of Longboat Key
Longboat Key, Florida, United States of America, sees big temperature differences between seasons, with August peaking at 32°C (90°F) and January dropping to 21°C (70°F).
Annual rainfall is moderate at around 988 mm (39 in), with August being the wettest month. The city also has a distinct dry season from November to December, with very warm summers and pleasant winters. The sunniest month is May, with 10.5 hours of sunshine per day on average.
Longboat Key Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Longboat Key - and find the best time to visit.
Monthly Temperature in Longboat Key
Visitors to Longboat Key can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 32°C (90°F) in August. In January, the coolest month of the year, temperatures drop to a pleasant 21°C (70°F).
At night, temperatures range from around 25°C (77°F) in August to 12°C (54°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Longboat Key
Generally, Longboat Key experiences moderate precipitation patterns, averaging 988 mm (39 in) yearly. Longboat Key can be quite wet during August, receiving approximately 174 mm (6.9 in) of precipitation over 22 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 28 mm (1.1 in) of precipitation spread across 6 rainy days. For more details, please visit our Longboat Key Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Longboat Key
Longboat Key can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.5 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 6.4 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Longboat Key by Month
The relative humidity is high throughout the year in Longboat Key.
The city experiences its highest humidity in August, reaching 78%. In April, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Longboat Key
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April, October, November and December
- Warmest weather: June, July, August and September
- Most sunshine: April and May
- Wettest months: June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from November to December, with very warm summers and pleasant winters
Frequently asked questions about the climate in Longboat Key
What is the best time to visit Longboat Key?
January, February, March, April, October, November and December typically offer the most optimal weather in Longboat Key. In contrast, June, July, August and September tend to have less optimal conditions. Longboat Key has a distinct dry season from November to December, with very warm summers and pleasant winters.
What temperatures can I expect in Longboat Key?
Daytime highs range from 21°C (70°F) in January to 32°C (90°F) in August. Nighttime lows range from 12°C (54°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Longboat Key get?
Annual rainfall is around 988 mm (39 in). August is the wettest month with 174 mm (6.9 in), while December is the driest with 28 mm (1.1 in).
How sunny is Longboat Key?
Longboat Key receives around 2,924 hours of sunshine per year. May is the sunniest month with 314 hours, while December is the cloudiest with just 191 hours. Overall, Longboat Key enjoys abundant sunshine.
Longboat Key 3-Day Forecast
Longboat Key on the map
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