December Weather in Onamia, United States

Last updated: June 24, 2025

In December, the average temperature in Onamia, United States hovers around -6°C (21°F). Expect a chilly range, with minimums dipping to -28°C (-18°F) and maximums reaching up to 8°C (46°F). During this month, precipitation typically totals around 52 mm (2.0 in) over about 7 days, while the average humidity remains high at 84%. Bundle up and enjoy the crisp air!

December Temperature in Onamia

In December in Onamia, the average temperature is -6°C (21°F), with maximums reaching 8°C (46°F) and minimums dropping as low as -28°C (-18°F). Travelers should be prepared for cold conditions and pack appropriate winter clothing for their visit.

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

The chart illustrates December temperature patterns in Onamia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onamia, December typically has an average temperature of -6°C (21°F), with highs reaching up to 8°C (46°F) and lows dropping to around -28°C (-18°F).

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

December Precipitation in Onamia

In Onamia in December, the precipitation amount is 52 mm (2.0 in) over a duration of 7 days.

December Precipitation Trends in Onamia

The chart displays monthly precipitation patterns in Onamia, 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 Onamia, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 7 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 Onamia

In Onamia in December humidity is 84%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold dampness seeps into your bones and slows your movements, turning each step into a shivering struggle.

December Average Humidity in Onamia

This chart illustrates the average monthly humidity levels in Onamia, 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 Onamia is approximately 84%, 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 Onamia

In Onamia 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 Onamia, you can visit Hourly UV Index in Onamia.

Maximum UV Index Levels in Onamia for December

The chart shows the monthly maximum UV Index (UVI) for Onamia 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 Onamia typically reaches 2, which falls under the low exposure category.

Data source: Onamia 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 Onamia Compares to Other Months

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

This table compares monthly weather conditions in Onamia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (13°F)	19 mm (0.7 inches)	87%	low
February Weather	-10°C (14°F)	26 mm (1.0 inches)	90%	moderate
March Weather	-1°C (30°F)	47 mm (1.8 inches)	85%	moderate
April Weather	4°C (40°F)	79 mm (3.1 inches)	84%	high
May Weather	13°C (56°F)	83 mm (3.3 inches)	78%	very high
June Weather	21°C (69°F)	87 mm (3.4 inches)	80%	very high
July Weather	23°C (73°F)	104 mm (4.1 inches)	81%	very high
August Weather	21°C (69°F)	130 mm (5.1 inches)	81%	very high
September Weather	17°C (62°F)	114 mm (4.5 inches)	81%	high
October Weather	8°C (46°F)	120 mm (4.7 inches)	84%	moderate
November Weather	-1°C (31°F)	35 mm (1.4 inches)	88%	moderate
December Weather	-6°C (21°F)	52 mm (2.0 inches)	84%	low