San José weather in July
July in San José: warm, soaked, with clean air — fine if you can take 26 rainy days.
#6 of 12 months in San José · #637 of 897 destinations to visit in July · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on San José in July
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San José climate normals — July
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 65°F | |
| Rainfall | 286 mm / 11.3 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | 19°C / 67°F | |
| Sunshine | 8 h/day | |
| Daylight | 12.6 h | |
| Wind | 9 km/h / 5 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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San José in July — FAQ
- Is July a good time to visit San José?
- July in San José: warm, soaked, with clean air — fine if you can take 26 rainy days. It ranks #6 of 12 months for San José on SeasonMap's comfort score (69/100).
- What is the weather like in San José in July?
- In July, San José averages a daily high of 24.6°C and a low of 18.5°C, with about 286.3 mm of rain over roughly 26.4 rainy days.
- What is the air quality in San José in July?
- San José has a mean US Air Quality Index of about 31 in July.