Measurements:
°C
°F
Posillipo
56°F
W 2 mph
Feels like: 56°F
Precip: 0%
World Resorts Italy Posillipo Weather

Posillipo Sea Water Temperature

Current Sea Water Temperature:
+60.2°F
Maximum Sea Water Temperature in March: 62.2°F
Minimum Sea Water Temperature in March: 56.6°F
Average water temperature in March: 59.5°F

Sea Water Temperature for the Last 10 Days:

March 09 60.2°F March 04 60.2°F
March 08 59.8°F March 03 60.2°F
March 07 59.8°F March 02 60.2°F
March 06 60.2°F March 01 60.2°F
March 05 59.0°F February 28 59.8°F

When is the Warmest Sea for Posillipo?

According to our data for the last three years for Posillipo the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Posillipo was 83.4°F. The maximum and minimum values were 80.6°F and 85.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Posillipo was 84.0°F. The maximum and minimum values were 81.4°F and 86.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Posillipo was 81.8°F. The maximum and minimum values were 78.8°F and 83.6°F respectively.

Best Time to Visit Posillipo
The most sunny months:
July 27 days
June 23 days
August 22 days
The most warm months:
July 92.4 °F
August 91.7 °F
June 85.8 °F
Warmest sea temperature:
August 84.8 °F
July 84.0 °F
September 81.0 °F
The most cold months:
January 54.5 °F
December 57.4 °F
February 57.5 °F
The most rainy months:
December 5 days
November 5 days
January 4 days
The most windy months:
March 6 mph
January 6 mph
April 6 mph

Posillipo on the Weather Map

Italy Resorts:
NAME
Amalfi +50
Bari +50
Cagliari +52
Catania +54
Florence +48
Genoa +48
Lido di Jesolo +48
Naples +56
Palermo +48
Reggio di Calabria +50
Rimini +48
Rome +46
Sicily +44
Tropea +50
Venice +48
24 Hours Weather Forecast
Posillipo
Local time: 04:48
10 mar, tuesday
0600 56°F
W
2 mph
0900 58°F
SW
2 mph
1200 62°F
NE
6 mph
1500 62°F
NE
7 mph
1800 60°F
E
4 mph
2100 58°F
SE
2 mph
11 mar, wednesday
0000 58°F
S
2 mph
0300 56°F
NW
0 mph