Longboat Key Weather in May

What's the weather like in Longboat Key (Florida) in May 2025?

The climate in Longboat Key during May can be summarized as hot, humid and a little damp.

May is in the spring in Longboat Key and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 20°C (67°F) is normal.

Longboat Key weather averages (imperial / metric)
Daytime temperature 30.8°C 87.4°F
Nightly temperature 19.7°C 67.4°F
Average temperature 25.2°C 77.4°F
Daily sunshine 10.8 hrs
Avg rainfall 80 mm 3.2 ins
Rainy days 7 days
Sea temperature 24.9°C 76.8°F
Humidity 71%
Windspeed 14.4kph 9 mph

On average May is the 6th wettest month of the year in Longboat Key with around 80mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.8 hours of sunshine per day.

May temperatures in Longboat Key

Longboat Key average temperature in May

May rainfall

Longboat Key average rain in May

May hourly sunshine

Longboat Key average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Longboat Key in May 2024.