Last updated: March 2, 2024
The weather in Costa Rica, Peru, during January is characterized by an average temperature of 25°C (77°F). Highs can soar to 33°C (92°F), while lows may dip to 20°C (68°F). Typically, the humidity level in Costa Rica throughout January hovers around 80%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Costa Rica averages 217 mm (8.5 inches) of rainfall, typically over the course of 22 rainy days. The month enjoys an average of 12 hours 28 minutes of daylight, with the sun shining for approximately 6 hours 44 minutes each day. Additionally, there is a 17% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Costa Rica reaches a maximum of 15, 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 | 10 | 13 | 15 | 15 | 12 | 8 | 4 | 2 | 1 | 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 | |||||