Measurements:
°C
°F
Posillipo
70°F
E 14 mph
Feels like: 70°F
Precip: 3%
World Resorts Italy Posillipo Weather

Posillipo Sea Water Temperature

Current Sea Water Temperature:
+73.0°F
Maximum Sea Water Temperature in October: 79.6°F
Minimum Sea Water Temperature in October: 70.0°F
Average water temperature in October: 74.8°F

Sea Water Temperature for the Last 10 Days:

October 24 73.0°F October 19 73.8°F
October 23 73.6°F October 18 73.8°F
October 22 74.0°F October 17 74.4°F
October 21 74.2°F October 16 74.4°F
October 20 73.8°F October 15 74.8°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: 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°
Bari +72
Bibione +58
Catania +76
Florence +66
Genoa +60
Lido di Jesolo +60
Naples +70
Ostia +70
Palermo +70
Rimini +62
Rome +66
Scalea +64
Sicily +72
Tropea +68
Venice +60
24 Hours Weather Forecast
Posillipo
Local time: 12:03
24 oct, saturday
1500 70°F
E
21 mph
1800 70°F
E
20 mph
2100 66°F
E
15 mph
25 oct, sunday
0000 66°F
SE
16 mph
0300 60°F
S
7 mph
0600 60°F
SW
7 mph
0900 62°F
SW
4 mph
1200 66°F
E
1 mph