December Weather in Pullman

Last updated: March 2, 2024

The weather in Pullman, United States, during December is characterized by an average temperature of 1°C (33°F). Highs can soar to 11°C (53°F), while lows may dip to -10°C (14°F). Typically, the humidity level in Pullman throughout December hovers around 90%.

-10°C (14°F)

Minimum temperature

1°C (33°F)

Average temperature

11°C (53°F)

Maximum temperature

90%

Humidity

Precipitation and Sunshine hours

In December, Pullman averages 85 mm (3.3 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 8 hours 35 minutes of daylight, with the sun shining for approximately 3 hours 45 minutes each day. Additionally, there is a 15% probability of sunny days during this period.

85 mm (3.3 inches)

Precipitation

15 rainy days

Rainy days

3 hours 45 minutes

Sunshine hours

15%

Chance of sun

UV Index

In December, the UV Index in Pullman reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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	2	2	2	1	1	0	0	0	0
Exposure	Low
Time to burn	45 min