The highest day temperature in March 2026 was 65°F. The lowest night temperature was 46°F. The average values for day and night temperatures during March were 59.8°F и 53.4°F respectivly.

The average sea surface temperature in March 2026 for Posillipo was 60.3°F. The maximum and minimum values were 59.0°F and 61.2°F respectively.

You can expect various weather conditions during March. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in March for Posillipo is 0.9 in.

The average wind speed in March is 6.7 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Posillipo in March is 7.0 hours.