Measurements:
°C
°F
Posillipo
68°F
N 8 mph
Feels like: 68°F
Precip: 0%
World Resorts Italy Posillipo Weather

Posillipo Sea Water Temperature

Current Sea Water Temperature:
+64.2°F
Maximum Sea Water Temperature in April: 66.6°F
Minimum Sea Water Temperature in April: 57.6°F
Average water temperature in April: 61.5°F

Sea Water Temperature for the Last 10 Days:

April 19 64.2°F April 14 62.2°F
April 18 63.8°F April 13 64.0°F
April 17 63.2°F April 12 64.0°F
April 16 63.4°F April 11 63.2°F
April 15 62.6°F April 10 62.0°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 +68
Bari +66
Bibione +68
Cagliari +68
Catania +70
Florence +72
Genoa +66
Lido di Jesolo +66
Naples +68
Palermo +68
Rimini +62
Rome +72
Sicily +68
Tropea +64
Venice +64
24 Hours Weather Forecast
Posillipo
Local time: 17:52
19 apr, sunday
1800 68°F
N
8 mph
2100 64°F
NW
6 mph
20 apr, monday
0000 64°F
NW
7 mph
0300 62°F
NW
8 mph
0600 62°F
NW
8 mph
0900 64°F
NW
8 mph
1200 66°F
N
9 mph
1500 68°F
N
9 mph