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December Weather in Oglala, United States

Last updated: June 24, 2025

In Oglala, United States, the average temperature in December hovers around -1°C (31°F), with extremes that can dip to a chilly -22°C (-7°F) or rise to a comfortable 22°C (72°F). During this month, expect about 26 mm (1.0 in) of precipitation spread over approximately 5 days, while the air maintains an average humidity of 75%. Prepare accordingly for the varied weather conditions!

December Temperature in Oglala

In December in Oglala, the average temperature is -1°C (31°F), with a maximum that can reach 22°C (72°F) and a minimum that can dip as low as -22°C (-7°F). Be prepared for a wide range of temperatures if you're planning to travel during this time!

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

The chart illustrates December temperature patterns in Oglala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oglala, December typically has an average temperature of -1°C (31°F), with highs reaching up to 22°C (72°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec272337455670777365473930
Data source: Temperature data for Oglala 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 Oglala

In Oglala in December, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.

December Precipitation Trends in Oglala

The chart displays monthly precipitation patterns in Oglala, 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 Oglala, December typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec152553639951453343411726
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Oglala

In Oglala 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 Oglala

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

In Oglala 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 Oglala, you can check the information here.

Maximum UV Index Levels in Oglala for December

The chart shows the monthly maximum UV Index (UVI) for Oglala 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 Oglala typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891111108543
Data source: Oglala 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 Oglala Compares to Other Months

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

This table compares monthly weather conditions in Oglala, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)15 mm (0.6 inches)73%moderate
February Weather-5°C (24°F)25 mm (1.0 inches)78%moderate
March Weather3°C (37°F)52 mm (2.1 inches)64%high
April Weather7°C (45°F)63 mm (2.5 inches)66%very high
May Weather13°C (56°F)99 mm (3.9 inches)74%very high
June Weather21°C (71°F)51 mm (2.0 inches)84%extreme
July Weather25°C (77°F)45 mm (1.8 inches)85%extreme
August Weather23°C (73°F)33 mm (1.3 inches)85%very high
September Weather18°C (65°F)43 mm (1.7 inches)76%very high
October Weather8°C (47°F)41 mm (1.6 inches)71%moderate
November Weather4°C (39°F)17 mm (0.7 inches)73%moderate
December Weather-1°C (31°F)26 mm (1.0 inches)75%moderate

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