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December Weather in Johnsonburg, United States

Last updated: June 24, 2025

In December, the average temperature in Johnsonburg, United States hovers around 1°C (34°F). Expect a range from a chilly -15°C (5°F) to a milder 17°C (63°F). During this time, precipitation amounts to 107 mm (4.2 in), typically spread over 14 days, along with an average humidity of 88%. Bundle up and be prepared for damp weather!

December Temperature in Johnsonburg

In December in Johnsonburg, the average temperature is 1°C (34°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -15°C (5°F). This time of year requires travelers to be prepared for a wide range of temperatures, so packing layers is essential for a comfortable visit.

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

The chart illustrates December temperature patterns in Johnsonburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnsonburg, December typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (63°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec283238485967727064543933
Data source: Temperature data for Johnsonburg 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 Johnsonburg

In Johnsonburg in December, the precipitation amount is 107 mm (4.2 in) spread over a period of 14 days.

December Precipitation Trends in Johnsonburg

The chart displays monthly precipitation patterns in Johnsonburg, 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 Johnsonburg, December typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec9812310513415113312910212612298107
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Johnsonburg

In Johnsonburg in December humidity is 88%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel feel damp and brisk, where every breath carries a crisp bite, and the air clings to your skin, urging you to seek warmth and comfort.

December Average Humidity in Johnsonburg

This chart illustrates the average monthly humidity levels in Johnsonburg, 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 Johnsonburg is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Johnsonburg

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

Maximum UV Index Levels in Johnsonburg for December

The chart shows the monthly maximum UV Index (UVI) for Johnsonburg 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 Johnsonburg typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Johnsonburg 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 Johnsonburg Compares to Other Months

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

This table compares monthly weather conditions in Johnsonburg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)98 mm (3.9 inches)89%moderate
February Weather0°C (32°F)123 mm (4.9 inches)90%moderate
March Weather3°C (38°F)105 mm (4.1 inches)89%high
April Weather9°C (48°F)134 mm (5.3 inches)88%very high
May Weather15°C (59°F)151 mm (6.0 inches)80%very high
June Weather20°C (67°F)133 mm (5.3 inches)79%very high
July Weather22°C (72°F)129 mm (5.1 inches)74%very high
August Weather21°C (71°F)101 mm (4.0 inches)64%very high
September Weather18°C (65°F)126 mm (5.0 inches)67%very high
October Weather12°C (54°F)122 mm (4.8 inches)81%high
November Weather4°C (39°F)98 mm (3.8 inches)89%moderate
December Weather1°C (34°F)107 mm (4.2 inches)88%low

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