Weather in Diano Marina: July
| Average day temperature: | 79.6°F | |
| Average night temperature: | 70.4°F | |
| Sea water temperature: | 76.7°F | |
| Number of sunny days: | 24 days | |
| Day length: | 14.6 - 15.4 hours | |
| Number of rainy days: | 1 day | |
| Precipitation totals: | 0.8 in. | |
| more information | ||
forecast
| Diano Marina |
temperature
| Diano Marina |
Air temperature in July, °F
The highest day temperature during July of 2025 was 82°F. At the same time the lowest night temperature was 64°F. Daily and nightly averages during July were 76.7°F and 70.8°F.
Sea water temperature in Diano Marina in July, °F
The average sea water temperature in July of 2025 was 78.3°F. The highest and lowest sea temperatures during the month were 81.7°F and 76.5°F.
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Diano Marina in July is 0.5 in. Other months of the year show relatively similar values.
The average wind speed value in July is 6.2 mph It makes July lest windy month of the year.
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: 11.3.
Best time for vacation in Diano Marina
Diano Marina on a weather map

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