December Weather in Siwalan

Last updated: March 2, 2024

The weather in Siwalan, Indonesia, during December is characterized by an average temperature of 28°C (82°F). Highs can soar to 31°C (89°F), while lows may dip to 25°C (78°F). Typically, the humidity level in Siwalan throughout December hovers around 75%.

25°C (78°F)

Minimum temperature

28°C (82°F)

Average temperature

31°C (89°F)

Maximum temperature

75%

Humidity

Precipitation and Sunshine hours

In December, Siwalan averages 271 mm (10.7 inches) of rainfall, typically over the course of 28 rainy days. The month enjoys an average of 12 hours 30 minutes of daylight, with the sun shining for approximately 8 hours 59 minutes each day. Additionally, there is a 7% probability of sunny days during this period.

271 mm (10.7 inches)

Precipitation

28 rainy days

Rainy days

8 hours 59 minutes

Sunshine hours

7%

Chance of sun

UV Index

In December, the UV Index in Siwalan reaches a maximum of 13, 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 13 13 11 7 4 2 1 0 0
Exposure Low Moderate VeryHigh Extreme High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 25 min 30 min 45 min

Compare Siwalan's Climate with Cities Worldwide