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December Weather in Pine Grove, United States

Last updated: June 24, 2025

In December, the average temperature in Pine Grove, United States hovers around 3°C (39°F), with nighttime lows potentially dropping to -14°C (6°F) and daytime highs reaching a warm 19°C (67°F). Expect 120 mm (4.7 in) of precipitation spread over approximately 13 days, accompanied by a high humidity level of 86%.

December Temperature in Pine Grove

In December in Pine Grove, the average temperature is 3°C (39°F). Maximums can reach 19°C (67°F), while minimums can drop as low as -14°C (6°F). Be prepared for a wide range of temperatures when traveling during this month.

December Weather in Pine Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Pine Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pine Grove, December typically has an average temperature of 3°C (39°F), with highs reaching up to 19°C (67°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec333844546471757369594438
Data source: Temperature data for Pine Grove 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 Pine Grove

In Pine Grove in December, the precipitation amount is 120 mm (4.7 in) spread over 13 days.

December Precipitation Trends in Pine Grove

The chart displays monthly precipitation patterns in Pine Grove, 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 Pine Grove, December typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9213111614514016612610110411186120
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pine Grove

In Pine Grove in December, humidity is 86%. With an average temperature of 3°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers for comfort while exploring.

December Average Humidity in Pine Grove

This chart illustrates the average monthly humidity levels in Pine Grove, 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 Pine Grove is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pine Grove

In Pine Grove 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 Pine Grove, you can check the information here.

Maximum UV Index Levels in Pine Grove for December

The chart shows the monthly maximum UV Index (UVI) for Pine Grove 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 Pine Grove typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098653
Data source: Pine Grove 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 Pine Grove Compares to Other Months

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

This table compares monthly weather conditions in Pine Grove, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)92 mm (3.6 inches)88%moderate
February Weather3°C (38°F)131 mm (5.2 inches)88%moderate
March Weather7°C (44°F)116 mm (4.6 inches)88%high
April Weather12°C (54°F)145 mm (5.7 inches)86%very high
May Weather18°C (64°F)140 mm (5.5 inches)82%very high
June Weather21°C (71°F)166 mm (6.5 inches)84%very high
July Weather24°C (75°F)125 mm (4.9 inches)82%very high
August Weather23°C (73°F)101 mm (4.0 inches)73%very high
September Weather20°C (69°F)104 mm (4.1 inches)73%very high
October Weather15°C (59°F)111 mm (4.4 inches)81%high
November Weather7°C (44°F)86 mm (3.4 inches)89%moderate
December Weather3°C (39°F)120 mm (4.7 inches)86%moderate

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