Last updated: March 2, 2024
The weather in Santiago, Costa Rica, during August is characterized by an average temperature of 22°C (71°F). Highs can soar to 27°C (81°F), while lows may dip to 18°C (64°F). Typically, the humidity level in Santiago throughout August hovers around 82%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Santiago averages 762 mm (30.0 inches) of rainfall, typically over the course of 31 rainy days. The month enjoys an average of 12 hours 24 minutes of daylight, with the sun shining for approximately 6 hours 16 minutes each day. Additionally, there is a 5% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Santiago reaches a maximum of 13, 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 | 4 | 7 | 11 | 13 | 13 | 12 | 8 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||