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December Weather in Hardin, United States

Last updated: June 24, 2025

In December, the average temperature in Hardin, United States hovers around 3°C (38°F), with extremes ranging from a chilling -18°C (-1°F) to a warm 24°C (75°F). Expect about 33 mm (1.3 in) of precipitation over 5 days and a notably high average humidity of 86%, making for a rather crisp and damp atmosphere.

December Temperature in Hardin

In December in Hardin, the average temperature is 3°C (38°F). Maximums can reach 24°C (75°F), while minimums can plummet to -18°C (-1°F). Be prepared for a wide range of temperatures when traveling to Hardin during this time.

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

The chart illustrates December temperature patterns in Hardin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hardin, December typically has an average temperature of 3°C (38°F), with highs reaching up to 24°C (75°F) and lows dropping to around -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec313346546677797672574438
Data source: Temperature data for Hardin 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 Hardin

In Hardin in December, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.

December Precipitation Trends in Hardin

The chart displays monthly precipitation patterns in Hardin, 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 Hardin, December typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec58471068821711310191741124733
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hardin

In Hardin in December humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.

December Average Humidity in Hardin

This chart illustrates the average monthly humidity levels in Hardin, 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 Hardin is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hardin

In Hardin 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 Hardin, you can check the information here.

Maximum UV Index Levels in Hardin for December

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

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

This table compares monthly weather conditions in Hardin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)58 mm (2.3 inches)80%moderate
February Weather0°C (33°F)47 mm (1.9 inches)78%moderate
March Weather8°C (46°F)106 mm (4.2 inches)75%high
April Weather12°C (54°F)87 mm (3.4 inches)77%very high
May Weather19°C (66°F)217 mm (8.5 inches)82%very high
June Weather25°C (77°F)113 mm (4.5 inches)83%extreme
July Weather26°C (80°F)101 mm (4.0 inches)81%extreme
August Weather25°C (77°F)91 mm (3.6 inches)78%very high
September Weather22°C (72°F)74 mm (2.9 inches)72%very high
October Weather14°C (57°F)112 mm (4.4 inches)72%high
November Weather7°C (44°F)47 mm (1.8 inches)84%moderate
December Weather3°C (38°F)33 mm (1.3 inches)86%moderate

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