December Weather in Omak, United States

Last updated: June 24, 2025

In December, the average temperature in Omak, United States hovers around -3°C (27°F), with fluctuations that can see lows of -23°C (-8°F) and highs reaching 13°C (56°F). Expect 72 mm (2.8 in) of precipitation spread across approximately 12 days, while the air remains notably damp with an average humidity of 93%.

December Temperature in Omak

In December in Omak, the average temperature is -3°C (27°F). The maximum can reach 13°C (56°F) and the minimum can be as low as -23°C (-8°F). It's essential to pack warm clothing and be prepared for a wide range of temperatures when traveling during this month.

December Weather in Omak: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Omak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omak, December typically has an average temperature of -3°C (27°F), with highs reaching up to 13°C (56°F) and lows dropping to around -23°C (-8°F).

Data source: Temperature data for Omak generated using information from the Copernicus Climate Change Service.

December Precipitation in Omak

In Omak in December, the total precipitation amount is 72 mm (2.8 in) over the course of 12 days.

December Precipitation Trends in Omak

The chart displays monthly precipitation patterns in Omak, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Omak, December typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Omak

In Omak in December humidity is 93%. With an average temperature of -3°C (27°F), this humidity feels like a damp chill that seeps through your clothes, making travel uncomfortable and forcing you to bundle up against the biting cold while navigating the wet conditions.

December Average Humidity in Omak

This chart illustrates the average monthly humidity levels in Omak, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Omak is approximately 93%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Omak

In Omak in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Omak, you can visit Hourly UV Index in Omak.

Maximum UV Index Levels in Omak for December

The chart shows the monthly maximum UV Index (UVI) for Omak in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Omak typically reaches 2, which falls under the low exposure category.

Data source: Omak December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Omak Compares to Other Months

Weather in Omak varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Omak, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Omak, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	78 mm (3.1 inches)	90%	low
February Weather	-4°C (26°F)	55 mm (2.2 inches)	91%	moderate
March Weather	2°C (36°F)	56 mm (2.2 inches)	89%	moderate
April Weather	7°C (45°F)	43 mm (1.7 inches)	85%	high
May Weather	13°C (56°F)	42 mm (1.6 inches)	82%	very high
June Weather	17°C (63°F)	19 mm (0.8 inches)	81%	very high
July Weather	21°C (71°F)	4 mm (0.1 inches)	84%	very high
August Weather	20°C (69°F)	7 mm (0.3 inches)	75%	very high
September Weather	14°C (58°F)	26 mm (1.0 inches)	74%	high
October Weather	6°C (44°F)	48 mm (1.9 inches)	85%	moderate
November Weather	1°C (34°F)	66 mm (2.6 inches)	88%	moderate
December Weather	-3°C (27°F)	72 mm (2.8 inches)	93%	low