Naples weather in May 2026

Q: How hot is it in Naples in May?

Daytime temperatures usually reach 29°C in Naples in May with high heat and humidity, falling to 23°C at night.

Q: How sunny is it in Naples in May?

There are normally 10 hours of bright sunshine each day in Naples in May - that's 72% of daylight hours.

Q: How warm is the sea around Naples in May?

The average sea temperature around Naples in May is 27°C.

Q: Does it rain in Naples in May?

There are usually 11 days with some rain in Naples in May and the average monthly rainfall is 150mm.

Expect daytime maximum temperatures of 86°F in Naples, Florida in May and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 4.0 inches of rainfall in the month.

86
86°F max day temperature
10
10 hours of sunshine per day
8
8 days with some rainfall
68
68°F min night temperature
13
13 hours of daylight per day
H
High heat & humidity
4.0
4.0 inches of monthly rainfall
11
11 (Extreme) UV index
79
79°F sea temperature

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The May weather guide for Florida (Naples) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)