Last updated: March 2, 2024
The weather in San Isidro, Costa Rica, during July is characterized by an average temperature of 22°C (73°F). Highs can soar to 25°C (77°F), while lows may dip to 20°C (69°F). Typically, the humidity level in San Isidro throughout July hovers around 85%.
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Average temperature
Maximum temperature
Humidity
In July, San Isidro averages 784 mm (30.8 inches) of rainfall, typically over the course of 31 rainy days. The month enjoys an average of 12 hours 35 minutes of daylight, with the sun shining for approximately 8 hours 2 minutes each day. Additionally, there is a 12% probability of sunny days during this period.
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Rainy days
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Chance of sun
In July, the UV Index in San Isidro reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 2 | 5 | 8 | 12 | 14 | 14 | 12 | 9 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||