Last updated: March 2, 2024
The weather in Zarcero, 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 14°C (57°F). Typically, the humidity level in Zarcero throughout January hovers around 71%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Zarcero averages 67 mm (2.7 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 11 hours 34 minutes of daylight, with the sun shining for approximately 7 hours 21 minutes each day. Additionally, there is a 32% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Zarcero reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 9 | 11 | 12 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||