Weather in Naples: March
![]() |
Average day temperature: | 80.0°F |
Average night temperature: | 65.5°F | |
![]() |
Sea water temperature: | 73.7°F |
![]() |
Number of sunny days: | 19 days |
Day length: | 11.6 - 12.4 hours | |
![]() |
Number of rainy days: | 1 day |
Precipitation totals: | 0.4 in. | |
more information |
forecast
Naples |
temperature
Naples |
Air temperature in March, °F
Day temperature | Night temperature |
The highest day temperature during March of 2025 was 90°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during March were 80.3°F and 60.8°F.
Sea water temperature in Naples in March, °F
The average sea water temperature in March of 2025 was 71.4°F. The highest and lowest sea temperatures during the month were 74.3°F and 70.2°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in March are sunny but cloudy days are also possible.
Precipitation total in March, in.
Precipitation total value in Naples in March is 0.4 in. Other months of the year show relatively similar values.
The average wind speed value in March is 9.4 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 8.6.
Best time for vacation in Naples
Naples on a weather map

18 mph

17 mph

10 mph

8 mph

7 mph

7 mph

13 mph

18 mph