Weather in Chula Vista: July
| Average day temperature: | 77.5°F | |
| Average night temperature: | 68.1°F | |
| Sea water temperature: | 67.3°F | |
| Number of sunny days: | 25 days | |
| Day length: | 13.8 - 14.3 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.0 in. | |
| more information | ||
14 days
forecast
forecast
| Chula Vista |
sea water
temperature
temperature
| Chula Vista |
Air temperature in July, °F
Show year:
2025
2024
2023
The highest day temperature during July of 2025 was 76°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during July were 72.1°F and 64.6°F.
Sea water temperature in Chula Vista in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 65.5°F. The highest and lowest sea temperatures during the month were 68.7°F and 62.4°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 Chula Vista in July is 0.0 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 6.0 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: 11.5.
Best time for vacation in Chula Vista
Chula Vista on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Chula Vista
Local time: 20:12
December 23, tuesday
2100

63°F
NW
2 mph
2 mph
December 24, wednesday
0000

61°F
NW
9 mph
9 mph
0300

61°F
N
13 mph
13 mph
0600

63°F
NW
14 mph
14 mph
0900

66°F
NW
8 mph
8 mph
1200

68°F
N
25 mph
25 mph
1500

66°F
NE
14 mph
14 mph
1800

63°F
SW
7 mph
7 mph



























