Measurements:
°C
°F
Posillipo
88°F
NE 7 mph
Feels like: 92°F
Precip: 2%
World Resorts Italy Posillipo Weather

Posillipo Sea Water Temperature

Current Sea Water Temperature:
+82.0°F
Maximum Sea Water Temperature in June: 84.6°F
Minimum Sea Water Temperature in June: 69.8°F
Average water temperature in June: 77.2°F

Sea Water Temperature for the Last 10 Days:

June 21 82.0°F June 16 77.0°F
June 20 80.2°F June 15 77.2°F
June 19 79.6°F June 14 77.0°F
June 18 79.0°F June 13 77.4°F
June 17 77.8°F June 12 77.8°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
April 6 mph
January 6 mph

Posillipo on the Weather Map

Italy Resorts:
NAME
Amalfi +96
Bari +86
Bibione +92
Florence +102
Genoa +90
Lido di Jesolo +90
Naples +88
Palermo +90
Rimini +90
Rome +102
Sanremo +82
Scalea +90
Sicily +96
Tropea +84
Venice +90
24 Hours Weather Forecast
Posillipo
Local time: 11:42
21 jun, sunday
1200 88°F
NE
7 mph
1500 90°F
NE
11 mph
1800 88°F
E
6 mph
2100 84°F
E
3 mph
22 jun, monday
0000 82°F
N
5 mph
0300 80°F
NW
4 mph
0600 80°F
NW
2 mph
0900 84°F
N
2 mph