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December Weather in Edgemont, United States

Last updated: June 24, 2025

In Edgemont, United States, the average temperature in December hovers around -1°C (31°F), with temperatures dipping as low as -25°C (-12°F) and occasionally reaching a maximum of 21°C (70°F). The month sees about 23 mm (0.9 in) of precipitation spread over 5 days, contributing to an average humidity of 75%.

December Temperature in Edgemont

In December in Edgemont, the average temperature is -1°C (31°F). Maximum temperatures can reach 21°C (70°F), while the minimum can drop to as low as -25°C (-12°F). Travelers should be prepared for a wide temperature range, from chilly days to surprisingly warm spells.

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

The chart illustrates December temperature patterns in Edgemont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Edgemont, December typically has an average temperature of -1°C (31°F), with highs reaching up to 21°C (70°F) and lows dropping to around -25°C (-12°F).
JanFebMarAprMayJunJulAugSepOctNovDec272437445569757264463830
Data source: Temperature data for Edgemont 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 Edgemont

In Edgemont in December, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

December Precipitation Trends in Edgemont

The chart displays monthly precipitation patterns in Edgemont, 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 Edgemont, December typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec152745598358533533472023
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Edgemont

In Edgemont in December humidity is 75%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket, making travel uncomfortable as the damp air clings to your skin, chilling you to the bone despite the cold temperatures.

December Average Humidity in Edgemont

This chart illustrates the average monthly humidity levels in Edgemont, 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 Edgemont 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 Edgemont

In Edgemont 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 Edgemont, you can check the information here.

Maximum UV Index Levels in Edgemont for December

The chart shows the monthly maximum UV Index (UVI) for Edgemont 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 Edgemont typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891111108643
Data source: Edgemont 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 Edgemont Compares to Other Months

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

This table compares monthly weather conditions in Edgemont, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)15 mm (0.6 inches)73%moderate
February Weather-5°C (24°F)26 mm (1.0 inches)78%moderate
March Weather3°C (38°F)45 mm (1.8 inches)64%high
April Weather7°C (44°F)59 mm (2.3 inches)66%very high
May Weather13°C (55°F)83 mm (3.3 inches)74%very high
June Weather21°C (69°F)58 mm (2.3 inches)84%extreme
July Weather24°C (75°F)53 mm (2.1 inches)85%extreme
August Weather22°C (72°F)35 mm (1.4 inches)85%very high
September Weather18°C (64°F)33 mm (1.3 inches)76%very high
October Weather8°C (46°F)47 mm (1.8 inches)71%high
November Weather3°C (38°F)20 mm (0.8 inches)73%moderate
December Weather-1°C (31°F)23 mm (0.9 inches)75%moderate

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