Measurements:
°C
°F
Posillipo
72°F
N 4 mph
Feels like: 72°F
Precip: 4%
World Resorts Italy Posillipo Weather

Posillipo Sea Water Temperature

Current Sea Water Temperature:
+77.6°F
Maximum Sea Water Temperature in October: 79.6°F
Minimum Sea Water Temperature in October: 70.0°F
Average water temperature in October: 74.7°F

Sea Water Temperature for the Last 10 Days:

October 03 77.6°F September 28 78.4°F
October 02 77.8°F September 27 79.0°F
October 01 77.6°F September 26 80.0°F
September 30 78.0°F September 25 81.0°F
September 29 78.2°F September 24 81.2°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Posillipo was 89.1°F. The maximum and minimum values were 88.2°F and 89.8°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Posillipo was 84.6°F. The maximum and minimum values were 78.0°F and 89.0°F respectively.

Best Time to Visit Posillipo
The most sunny months:
July 27 days
June 23 days
August 23 days
The most warm months:
July 92.2 °F
August 91.5 °F
June 85.7 °F
Warmest sea temperature:
August 85.4 °F
July 84.3 °F
September 81.5 °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
F°
Amalfi +62
Bari +72
Bibione +54
Catania +68
Florence +64
Genoa +50
Lido di Jesolo +58
Naples +72
Palermo +58
Rimini +58
Rome +64
Scalea +48
Sicily +64
Tropea +68
Venice +58
24 Hours Weather Forecast
Posillipo
Local time: 04:57
04 oct, sunday
0600 72°F
N
4 mph
0900 72°F
NW
2 mph
1200 74°F
NE
5 mph
1500 74°F
E
8 mph
1800 76°F
E
10 mph
2100 76°F
SE
7 mph
05 oct, monday
0000 76°F
SE
4 mph
0300 74°F
E
3 mph