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December Weather in Johnson Siding, United States

Last updated: June 24, 2025

In Johnson Siding, United States, the average temperature in December hovers around -2°C (28°F), with minimums plunging to -27°C (-17°F) and maximums reaching up to 19°C (66°F). Expect about 31 mm (1.2 in) of precipitation spread over 7 days, and a notable average humidity of 75%, creating a crisp, chilly atmosphere perfect for cozy indoor activities.

December Temperature in Johnson Siding

In December in Johnson Siding, the average temperature is -2°C (28°F), with maximums reaching 19°C (66°F) and minimums dipping as low as -27°C (-17°F). It's advisable to dress warmly and prepare for a wide range of temperatures if you're planning to travel during this time.

December Weather in Johnson Siding: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Johnson Siding, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnson Siding, December typically has an average temperature of -2°C (28°F), with highs reaching up to 19°C (66°F) and lows dropping to around -27°C (-17°F).
JanFebMarAprMayJunJulAugSepOctNovDec252033374862676457413428
Data source: Temperature data for Johnson Siding 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 Johnson Siding

In Johnson Siding in December, the precipitation amount is 31 mm (1.2 in) over the course of 7 days.

December Precipitation Trends in Johnson Siding

The chart displays monthly precipitation patterns in Johnson Siding, 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 Johnson Siding, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1935529113710615510160602331
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Johnson Siding

In Johnson Siding in December humidity is 75%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Johnson Siding

This chart illustrates the average monthly humidity levels in Johnson Siding, 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 Johnson Siding is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%78%64%66%74%84%85%85%76%71%73%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Johnson Siding

In Johnson Siding 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 Johnson Siding, you can visit Hourly UV Index in Johnson Siding.

Maximum UV Index Levels in Johnson Siding for December

The chart shows the monthly maximum UV Index (UVI) for Johnson Siding 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 Johnson Siding typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356991111108632
Data source: Johnson Siding 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 Johnson Siding Compares to Other Months

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

This table compares monthly weather conditions in Johnson Siding, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)19 mm (0.7 inches)73%moderate
February Weather-7°C (20°F)35 mm (1.4 inches)78%moderate
March Weather1°C (33°F)52 mm (2.0 inches)64%high
April Weather3°C (38°F)91 mm (3.6 inches)66%very high
May Weather9°C (48°F)137 mm (5.4 inches)74%very high
June Weather17°C (62°F)106 mm (4.2 inches)84%extreme
July Weather20°C (67°F)155 mm (6.1 inches)85%extreme
August Weather18°C (65°F)101 mm (4.0 inches)85%very high
September Weather14°C (58°F)60 mm (2.4 inches)76%very high
October Weather5°C (41°F)60 mm (2.3 inches)71%high
November Weather1°C (34°F)23 mm (0.9 inches)73%moderate
December Weather-2°C (28°F)31 mm (1.2 inches)75%low

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