December Weather in Arenal

Last updated: March 2, 2024

The weather in Arenal, Honduras, during December is characterized by an average temperature of 21°C (69°F). Highs can soar to 30°C (86°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Arenal throughout December hovers around 75%.

13°C (56°F)

Minimum temperature

21°C (69°F)

Average temperature

30°C (86°F)

Maximum temperature

75%

Humidity

Precipitation and Sunshine hours

In December, Arenal averages 49 mm (1.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 11 hours 13 minutes of daylight, with the sun shining for approximately 8 hours 49 minutes each day. Additionally, there is a 40% probability of sunny days during this period.

49 mm (1.9 inches)

Precipitation

12 rainy days

Rainy days

8 hours 49 minutes

Sunshine hours

40%

Chance of sun

UV Index

In December, the UV Index in Arenal reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 15 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 1 3 5 7 9 9 8 6 3 1 1 0 0
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Arenal's Climate with Cities Worldwide