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December Weather in Union Hill-Novelty Hill, United States

Last updated: June 24, 2025

In Union Hill-Novelty Hill, United States, the average temperature in December hovers around 4°C (40°F), with a minimum plunging to -10°C (14°F) and a maximum rising to 14°C (57°F). During this time, precipitation averages 248 mm (9.8 in) over the course of 19 days, contributing to a high average humidity level of 88%.

December Temperature in Union Hill-Novelty Hill

In December in Union Hill-Novelty Hill, the average temperature is 4°C (40°F). Maximum temperatures can reach 14°C (57°F), while minimums can drop as low as -10°C (14°F). Be prepared for chilly weather and pack accordingly for your travels!

December Weather in Union Hill-Novelty Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Union Hill-Novelty Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union Hill-Novelty Hill, December typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (57°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec413944495560646559504540
Data source: Temperature data for Union Hill-Novelty Hill 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 Union Hill-Novelty Hill

In Union Hill-Novelty Hill in December, the total precipitation amount is 248 mm (9.8 in), occurring over the course of 19 days.

December Precipitation Trends in Union Hill-Novelty Hill

The chart displays monthly precipitation patterns in Union Hill-Novelty Hill, 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 Union Hill-Novelty Hill, December typically receives around 248 mm (9.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec21524216715494883427124220239248
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Union Hill-Novelty Hill

In Union Hill-Novelty Hill in December, humidity is 88%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and prompting you to seek cozy indoor activities instead.

December Average Humidity in Union Hill-Novelty Hill

This chart illustrates the average monthly humidity levels in Union Hill-Novelty Hill, 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 Union Hill-Novelty Hill is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Union Hill-Novelty Hill

In Union Hill-Novelty Hill 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 Union Hill-Novelty Hill, you can visit Hourly UV Index in Union Hill-Novelty Hill.

Maximum UV Index Levels in Union Hill-Novelty Hill for December

The chart shows the monthly maximum UV Index (UVI) for Union Hill-Novelty Hill 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 Union Hill-Novelty Hill typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987522
Data source: Union Hill-Novelty Hill 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 Union Hill-Novelty Hill Compares to Other Months

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

This table compares monthly weather conditions in Union Hill-Novelty Hill, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)215 mm (8.5 inches)86%low
February Weather4°C (39°F)242 mm (9.5 inches)86%moderate
March Weather7°C (44°F)167 mm (6.6 inches)87%moderate
April Weather9°C (49°F)154 mm (6.1 inches)84%high
May Weather13°C (56°F)94 mm (3.7 inches)81%very high
June Weather16°C (60°F)88 mm (3.5 inches)82%very high
July Weather18°C (65°F)33 mm (1.3 inches)79%very high
August Weather18°C (65°F)27 mm (1.0 inches)63%very high
September Weather15°C (60°F)124 mm (4.9 inches)62%high
October Weather10°C (50°F)220 mm (8.7 inches)83%moderate
November Weather7°C (45°F)238 mm (9.4 inches)89%low
December Weather4°C (40°F)248 mm (9.8 inches)88%low

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