Measurements:
°C
°F
Posillipo
82°F
NE 4 mph
Feels like: 82°F
Precip: 0%
World Resorts Italy Posillipo Weather

Posillipo Sea Water Temperature

Current Sea Water Temperature:
+73.8°F
Maximum Sea Water Temperature in May: 74.2°F
Minimum Sea Water Temperature in May: 61.8°F
Average water temperature in May: 68.2°F

Sea Water Temperature for the Last 10 Days:

May 30 73.8°F May 25 70.0°F
May 29 73.4°F May 24 69.6°F
May 28 72.8°F May 23 69.2°F
May 27 71.6°F May 22 68.6°F
May 26 70.8°F May 21 68.2°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 +86
Bari +78
Bibione +82
Catania +82
Florence +86
Genoa +80
Lido di Jesolo +82
Naples +80
Palermo +80
Rimini +80
Rome +88
Scalea +74
Sicily +84
Tropea +76
Venice +82
24 Hours Weather Forecast
Posillipo
Local time: 12:53
30 may, saturday
1500 82°F
E
10 mph
1800 80°F
E
8 mph
2100 76°F
E
5 mph
31 may, sunday
0000 74°F
SE
4 mph
0300 74°F
SE
3 mph
0600 72°F
N
4 mph
0900 74°F
N
6 mph
1200 78°F
NE
7 mph