Weather in Ostia: July
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Average day temperature: | 85.5°F |
| Average night temperature: | 74.7°F | |
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Sea water temperature: | 77.9°F |
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Number of sunny days: | 29 days |
| Day length: | 14.4 - 15.2 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.5 in. | |
| more information | ||
14 days
forecast
forecast
| Ostia |
sea water
temperature
temperature
| Ostia |
Air temperature in July, °F
Show year:
2025
2024
2023
The highest day temperature during July of 2025 was 86°F. At the same time the lowest night temperature was 67°F. Daily and nightly averages during July were 81.7°F and 73.4°F.
Sea water temperature in Ostia in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 78.7°F. The highest and lowest sea temperatures during the month were 83.1°F and 74.5°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 Ostia in July is 0.3 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 8.5 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 Ostia
Ostia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ostia
Local time: 10:47
January 01, thursday
1200
50°F
NW
11 mph
11 mph
1500
52°F
N
15 mph
15 mph
1800
52°F
NW
17 mph
17 mph
2100
54°F
N
17 mph
17 mph
January 02, friday
0000
54°F
N
15 mph
15 mph
0300
54°F
NE
12 mph
12 mph
0600
54°F
NE
16 mph
16 mph
0900
55°F
NE
19 mph
19 mph
