Measurements:
°C
°F
Posillipo
50°F
S 2 mph
Feels like: 50°F
Precip: 0%
World Resorts Italy Posillipo Weather

Posillipo Sea Water Temperature

Current Sea Water Temperature:
+59.6°F
Maximum Sea Water Temperature in February: 61.4°F
Minimum Sea Water Temperature in February: 57.8°F
Average water temperature in February: 59.6°F

Sea Water Temperature for the Last 10 Days:

February 17 59.6°F February 12 60.0°F
February 16 59.8°F February 11 59.4°F
February 15 59.6°F February 10 60.0°F
February 14 60.2°F February 09 60.2°F
February 13 60.0°F February 08 60.2°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
February 57.3 °F
December 57.4 °F
The most rainy months:
December 5 days
November 5 days
January 4 days
The most windy months:
March 6 mph
January 6 mph
April 6 mph

Posillipo on the Weather Map

Italy Resorts:
NAME
Amalfi +42
Bari +50
Cagliari +48
Catania +46
Florence +42
Genoa +40
Lido di Jesolo +42
Naples +50
Palermo +50
Reggio di Calabria +52
Rimini +46
Rome +42
Sicily +36
Tropea +50
Venice +42
24 Hours Weather Forecast
Posillipo
Local time: 03:36
18 feb, wednesday
0600 50°F
SW
2 mph
0900 54°F
NW
3 mph
1200 56°F
N
6 mph
1500 58°F
NE
11 mph
1800 56°F
NE
11 mph
2100 56°F
NE
13 mph
19 feb, thursday
0000 56°F
NE
8 mph
0300 56°F
NE
9 mph