December Weather in Sultan

Last updated: March 2, 2024

The weather in Sultan, United States, during December is characterized by an average temperature of 2°C (36°F). Highs can soar to 9°C (49°F), while lows may dip to -8°C (17°F). Typically, the humidity level in Sultan throughout December hovers around 88%.

-8°C (17°F)

Minimum temperature

2°C (36°F)

Average temperature

9°C (49°F)

Maximum temperature

88%

Humidity

Precipitation and Sunshine hours

In December, Sultan averages 300 mm (11.8 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 8 hours 26 minutes of daylight, with the sun shining for approximately 2 hours 36 minutes each day. Additionally, there is a 11% probability of sunny days during this period.

300 mm (11.8 inches)

Precipitation

20 rainy days

Rainy days

2 hours 36 minutes

Sunshine hours

11%

Chance of sun

UV Index

In December, the UV Index in Sultan reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 45 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 0 1 1 1 1 2 1 1 1 1 0 0 0
Exposure Low
Time to burn 45 min

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