January Weather in Costa Rica

Last updated: March 2, 2024

The weather in Costa Rica, Brazil, during January is characterized by an average temperature of 26°C (79°F). Highs can soar to 35°C (95°F), while lows may dip to 19°C (66°F). Typically, the humidity level in Costa Rica throughout January hovers around 85%.

19°C (66°F)

Minimum temperature

26°C (79°F)

Average temperature

35°C (95°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In January, Costa Rica averages 160 mm (6.3 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 13 hours 22 minutes of daylight, with the sun shining for approximately 8 hours 10 minutes each day. Additionally, there is a 24% probability of sunny days during this period.

160 mm (6.3 inches)

Precipitation

16 rainy days

Rainy days

8 hours 10 minutes

Sunshine hours

24%

Chance of sun

UV Index

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 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 9 12 15 15 13 10 6 3 1 1 0
Exposure Low Moderate VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 25 min 30 min 45 min

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