Measurements:
°C
°F
CURRENT WEATHER
13:31
Nettuno
80°F
N 7 mph
Feels like: 82°F
Precip: 0%
World Resorts Italy Nettuno Weather

7 Day Weather Forecast

05.30
sat
DAY
80°F
N 7 mph
precip
0%
NIGHT
70°F
SE 7 mph
precip
0%
05.31
sun
DAY
80°F
E 9 mph
precip
0%
NIGHT
68°F
SE 1 mph
precip
0%
06.01
mon
DAY
78°F
N 12 mph
precip
0%
NIGHT
68°F
NW 9 mph
precip
0%
06.02
tue
DAY
78°F
NW 15 mph
precip
0%
NIGHT
70°F
NW 6 mph
precip
0%
06.03
wed
DAY
76°F
NW 19 mph
precip
0%
NIGHT
68°F
N 5 mph
precip
0%
06.04
thu
DAY
78°F
E 12 mph
precip
0%
NIGHT
68°F
E 3 mph
precip
0%
06.05
fri
DAY
80°F
N 9 mph
precip
0%
NIGHT
72°F
SE 5 mph
precip
0%

Nettuno Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Nettuno was 18.5°F. The maximum and minimum values were 17.3°F and 21.2°F respectively.

Nettuno on the Weather Map

Best Time to Visit Nettuno
The most sunny months:
July 28 days
August 27 days
June 25 days
The most warm months:
August 89.8 °F
July 88.9 °F
June 82.5 °F
Warmest sea temperature:
August 82.4 °F
July 81.0 °F
September 79.4 °F
The most cold months:
January 55.1 °F
February 56.3 °F
December 58.0 °F
The most rainy months:
November 7 days
December 5 days
March 5 days
The most windy months:
February 9 mph
November 9 mph
January 8 mph
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