Weather in Nettuno: July
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Average day temperature: | 85.1°F |
| Average night temperature: | 74.2°F | |
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Sea water temperature: | 78.1°F |
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Number of sunny days: | 29 days |
| Day length: | 14.4 - 15.1 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.6 in. | |
| more information | ||
14 days
forecast
forecast
| Nettuno |
sea water
temperature
temperature
| Nettuno |
Air temperature in July, °F
Show year:
2026
2025
2024
The highest day temperature during July of 2026 was 90°F. At the same time the lowest night temperature was 72°F. Daily and nightly averages during July were 86.4°F and 75.6°F.
Sea water temperature in Nettuno in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 81.5°F. The highest and lowest sea temperatures during the month were 84.9°F and 77.0°F.
Sunny, partly cloudy and cloudy days
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Nettuno in July is 0.5 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 8.2 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 13.3.
Best time for vacation in Nettuno
Nettuno on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Nettuno
Local time: 17:27
August 06, thursday
1800
88°F
SE
14 mph
14 mph
2100
82°F
SE
12 mph
12 mph
August 07, friday
0000
81°F
S
4 mph
4 mph
0300
79°F
SE
6 mph
6 mph
0600
79°F
SE
9 mph
9 mph
0900
86°F
SE
3 mph
3 mph
1200
90°F
E
13 mph
13 mph
1500
88°F
E
12 mph
12 mph
