Weather in San Antonio: July
| Average day temperature: | 56.6°F | |
| Average night temperature: | 50.2°F | |
| Sea water temperature: | 54.3°F | |
| Number of sunny days: | 17 days | |
| Day length: | 10.0 - 10.5 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 1.0 in. | |
| more information | ||
14 days
forecast
forecast
| San Antonio |
sea water
temperature
temperature
| San Antonio |
Air temperature in July, °F
Show year:
2026
2025
2024
The highest day temperature during July of 2026 was 62°F. At the same time the lowest night temperature was 44°F. Daily and nightly averages during July were 58.0°F and 52.4°F.
Sea water temperature in San Antonio in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 54.5°F. The highest and lowest sea temperatures during the month were 56.7°F and 52.7°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 San Antonio in July is 1.0 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 7.9 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: 7.2.
Best time for vacation in San Antonio
San Antonio on a weather map
Places in Chile:
Name
°F
24 Hours Forecast
San Antonio
Local time: 13:48
August 26, wednesday
1500

54°F
N
7 mph
7 mph
1800

55°F
NW
7 mph
7 mph
2100

54°F
N
9 mph
9 mph
August 27, thursday
0000

54°F
N
9 mph
9 mph
0300

52°F
N
9 mph
9 mph
0600

52°F
N
8 mph
8 mph
0900

54°F
N
7 mph
7 mph
1200

54°F
NE
7 mph
7 mph




























