Weather in San Jose: July
| Average day temperature: | 74.8°F | |
| Average night temperature: | 59.9°F | |
| Sea water temperature: | 84.1°F | |
| Number of sunny days: | 1 day | |
| Day length: | 11.7 - 12.7 hours | |
| Number of rainy days: | 21 days | |
| Precipitation totals: | 16.3 in. | |
| more information | ||
14 days
forecast
forecast
| San Jose |
sea water
temperature
temperature
| San Jose |
Air temperature in July, °F
Show year:
2025
2024
2023
The highest day temperature during July of 2025 was 78°F. At the same time the lowest night temperature was 56°F. Daily and nightly averages during July were 73.3°F and 59.8°F.
Sea water temperature in San Jose in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 85.1°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.0°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 13.9 in.
Wind speed in July, mph
The average wind speed value in July is 3.9 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: 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: 22:00
December 05, friday
0000

54°F
W
5 mph
5 mph
0300

54°F
W
5 mph
5 mph
0600

54°F
W
5 mph
5 mph
0900

70°F
SW
2 mph
2 mph
1200

79°F
S
2 mph
2 mph
1500

72°F
SE
2 mph
2 mph
1800

57°F
SW
2 mph
2 mph
2100

55°F
W
4 mph
4 mph



























