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December Weather in Poplar, United States

Last updated: August 27, 2025

In December, the average temperature in Poplar, United States hovers around -6°C (21°F). However, don't be surprised if you encounter extremes, with minimums plummeting to -29°C (-21°F) and maximums peaking at 14°C (58°F). Prepare for 64 mm (2.5 in) of precipitation spread over 9 days, accompanied by a high average humidity of 91%—a true winter experience!

December Temperature in Poplar

In December in Poplar, the average temperature is -6°C (21°F). Maximum temperatures can reach 14°C (58°F), while minimums can drop as low as -29°C (-21°F). Be prepared for a wide temperature range and pack accordingly for your travels!

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

The chart illustrates December temperature patterns in Poplar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poplar, December typically has an average temperature of -6°C (21°F), with highs reaching up to 14°C (58°F) and lows dropping to around -29°C (-21°F).
JanFebMarAprMayJunJulAugSepOctNovDec141429395465706760463021
Data source: Temperature data for Poplar 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 Poplar

In Poplar in December, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

December Precipitation Trends in Poplar

The chart displays monthly precipitation patterns in Poplar, 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 Poplar, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec263544819385110104961054764
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Poplar

In Poplar in December humidity is 91%. With an average temperature of -6°C (21°F), this humidity feels like wandering through a cold, damp fog that clings to your skin, making it challenging to stay warm and comfortable while exploring the surroundings.

December Average Humidity in Poplar

This chart illustrates the average monthly humidity levels in Poplar, 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 Poplar is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%89%85%76%71%70%71%73%82%88%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Poplar

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

Maximum UV Index Levels in Poplar for December

The chart shows the monthly maximum UV Index (UVI) for Poplar 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 Poplar typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810987532
Data source: Poplar 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 Poplar Compares to Other Months

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

This table compares monthly weather conditions in Poplar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)26 mm (1.0 inches)93%low
February Weather-10°C (15°F)35 mm (1.4 inches)93%moderate
March Weather-2°C (29°F)44 mm (1.7 inches)89%moderate
April Weather4°C (39°F)81 mm (3.2 inches)85%high
May Weather12°C (54°F)93 mm (3.7 inches)76%very high
June Weather19°C (66°F)85 mm (3.4 inches)71%very high
July Weather21°C (70°F)110 mm (4.3 inches)70%very high
August Weather19°C (67°F)104 mm (4.1 inches)71%very high
September Weather16°C (60°F)96 mm (3.8 inches)73%high
October Weather8°C (46°F)104 mm (4.1 inches)81%moderate
November Weather-1°C (31°F)47 mm (1.8 inches)87%moderate
December Weather-6°C (21°F)64 mm (2.5 inches)91%low

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