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December Weather in Onaga, United States

Last updated: June 24, 2025

In December, the average temperature in Onaga, United States hovers around 2°C (36°F). While you may experience a chilly minimum of -19°C (-1°F), don't be surprised if temperatures soar to a maximum of 23°C (74°F). Expect 28 mm (1.1 in) of precipitation spread over approximately 3 days, with an average humidity of 84% creating a crisp atmosphere throughout the month.

December Temperature in Onaga

In December in Onaga, the average temperature is 2°C (36°F). Maximum temperatures can reach 23°C (74°F), while minimums can drop as low as -19°C (-1°F). Be prepared for a wide range of temperatures during your travels, and pack accordingly to enjoy your stay.

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

The chart illustrates December temperature patterns in Onaga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onaga, December typically has an average temperature of 2°C (36°F), with highs reaching up to 23°C (74°F) and lows dropping to around -19°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec303145536477807671554336
Data source: Temperature data for Onaga generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Onaga

In Onaga in December, the precipitation amount is 28 mm (1.1 in) over the course of 3 days.

December Precipitation Trends in Onaga

The chart displays monthly precipitation patterns in Onaga, 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 Onaga, December typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec3331987521310387110751113628
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Onaga

In Onaga in December, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Onaga

This chart illustrates the average monthly humidity levels in Onaga, 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 Onaga is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Onaga

In Onaga in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Onaga, you can check the information here.

Maximum UV Index Levels in Onaga for December

The chart shows the monthly maximum UV Index (UVI) for Onaga 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 Onaga typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Onaga 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 Onaga Compares to Other Months

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

This table compares monthly weather conditions in Onaga, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)33 mm (1.3 inches)76%moderate
February Weather-1°C (31°F)31 mm (1.2 inches)77%moderate
March Weather7°C (45°F)98 mm (3.9 inches)70%high
April Weather12°C (53°F)75 mm (2.9 inches)73%very high
May Weather18°C (65°F)213 mm (8.4 inches)82%very high
June Weather25°C (77°F)103 mm (4.1 inches)82%extreme
July Weather27°C (80°F)87 mm (3.4 inches)81%extreme
August Weather24°C (76°F)110 mm (4.3 inches)78%very high
September Weather22°C (72°F)75 mm (2.9 inches)71%very high
October Weather13°C (56°F)111 mm (4.4 inches)71%high
November Weather6°C (43°F)36 mm (1.4 inches)81%moderate
December Weather2°C (36°F)28 mm (1.1 inches)84%moderate

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