Weather in San Jose: July
| Average day temperature: | 74.8°F | |
| Average night temperature: | 60.1°F | |
| Sea water temperature: | 84.3°F | |
| Number of sunny days: | 1 day | |
| Day length: | 11.8 - 12.7 hours | |
| Number of rainy days: | 20 days | |
| Precipitation totals: | 15.5 in. | |
| more information | ||
14 days
forecast
forecast
| San Jose |
sea water
temperature
temperature
| San Jose |
Air temperature in July, °F
Show year:
2026
2025
2024
The highest day temperature during July of 2026 was 81°F. At the same time the lowest night temperature was 56°F. Daily and nightly averages during July were 75.1°F and 62.9°F.
Sea water temperature in San Jose in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.7°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.8°F.
Sunny, partly cloudy and cloudy days
Mostly all days in July are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in San Jose in July is 13.2 in.
Wind speed in July, mph
The average wind speed value in July is 3.7 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: 4.4.
Best time for vacation in San Jose
San Jose on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
San Jose
Local time: 13:20
August 15, saturday
1500

72°F
SW
3 mph
3 mph
1800

64°F
SW
3 mph
3 mph
2100

63°F
SW
4 mph
4 mph
August 16, sunday
0000

66°F
SW
3 mph
3 mph
0300

64°F
SW
4 mph
4 mph
0600

63°F
SW
4 mph
4 mph
0900

66°F
SW
2 mph
2 mph
1200

66°F
SW
4 mph
4 mph


























