Last updated: March 2, 2024
The weather in Mercedes, Costa Rica, during January is characterized by an average temperature of 19°C (67°F). Highs can soar to 25°C (78°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Mercedes throughout January hovers around 68%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Mercedes averages 89 mm (3.5 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 11 hours 38 minutes of daylight, with the sun shining for approximately 8 hours 10 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In January, the UV Index in Mercedes reaches a maximum of 12, 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 | 1 | 3 | 6 | 10 | 12 | 12 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||