December Weather in Nikiski

Last updated: March 2, 2024

The weather in Nikiski, United States, during December is characterized by an average temperature of -2°C (29°F). Highs can soar to 5°C (41°F), while lows may dip to -10°C (15°F). Typically, the humidity level in Nikiski throughout December hovers around 98%.

-10°C (15°F)

Minimum temperature

-2°C (29°F)

Average temperature

5°C (41°F)

Maximum temperature

98%

Humidity

Precipitation and Sunshine hours

In December, Nikiski averages 109 mm (4.3 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 5 hours 46 minutes of daylight, with the sun shining for approximately 1 hours 16 minutes each day. Additionally, there is a 20% probability of sunny days during this period.

109 mm (4.3 inches)

Precipitation

17 rainy days

Rainy days

1 hours 16 minutes

Sunshine hours

20%

Chance of sun

UV Index

In December, the UV Index in Nikiski reaches a maximum of 1, indicating a level of Low exposure. The most intense UV radiation typically occurs between 10:00 and 12:00, 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	0	0	1	1	1	1	1	1	0	0	0	0
Exposure	Low
Time to burn	45 min