Measurements:
°C
°F
Posillipo
92°F
NE 9 mph
Feels like: 98°F
Precip: 3%
World Resorts Italy Posillipo Weather

Posillipo Sea Water Temperature

Current Sea Water Temperature:
+88.2°F
Maximum Sea Water Temperature in August: 89.0°F
Minimum Sea Water Temperature in August: 79.6°F
Average water temperature in August: 84.7°F

Sea Water Temperature for the Last 10 Days:

August 01 88.2°F July 27 85.2°F
July 31 87.6°F July 26 86.0°F
July 30 87.0°F July 25 86.8°F
July 29 87.0°F July 24 88.2°F
July 28 86.0°F July 23 88.4°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Posillipo was 86.1°F. The maximum and minimum values were 84.0°F and 88.6°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 92.2 °F
August 91.7 °F
June 85.7 °F
Warmest sea temperature:
August 84.8 °F
July 84.3 °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
Baia Domizia +102
Bari +94
Bibione +108
Florence +104
Genoa +90
Lido di Jesolo +98
Naples +92
Palermo +94
Rimini +92
Rome +104
Sanremo +86
Scalea +94
Sicily +104
Tropea +88
Venice +98
24 Hours Weather Forecast
Posillipo
Local time: 16:27
01 aug, saturday
1800 92°F
E
6 mph
2100 90°F
SE
3 mph
02 aug, sunday
0000 86°F
N
6 mph
0300 84°F
NW
7 mph
0600 82°F
NW
6 mph
0900 86°F
N
6 mph
1200 90°F
NE
7 mph
1500 92°F
NE
9 mph