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December Weather in Glen Head, United States

Last updated: June 24, 2025

In December, the average temperature in Glen Head, United States hovers around 5°C (40°F). Expect chilly conditions with minimums dipping to -9°C (16°F) and maximums rising to 16°C (62°F). Precipitation is notable, totaling 134 mm (5.3 in) over 11 days, while humidity remains on the higher side at 80%, creating a crisp, damp atmosphere.

December Temperature in Glen Head

In December in Glen Head, the average temperature is 5°C (40°F). The maximum can reach 16°C (62°F), and the minimum can be as low as -9°C (16°F). It's advisable to pack layers and be prepared for cold weather while exploring the area.

December Weather in Glen Head: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Glen Head, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glen Head, December typically has an average temperature of 5°C (40°F), with highs reaching up to 16°C (62°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec353640495868767570614840
Data source: Temperature data for Glen Head 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 Glen Head

In Glen Head in December, the precipitation amount is 134 mm (5.3 in) spread over 11 days.

December Precipitation Trends in Glen Head

The chart displays monthly precipitation patterns in Glen Head, 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 Glen Head, December typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec821201051291259013711896145102134
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Glen Head

In Glen Head in December, humidity is 80%. With an average temperature of 5°C (40°F), this humidity feels like a damp chill settling on your skin, making travel uncomfortable and requiring extra layers to stay warm while navigating the cool, misty atmosphere.

December Average Humidity in Glen Head

This chart illustrates the average monthly humidity levels in Glen Head, 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 Glen Head is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Glen Head

In Glen Head 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 Glen Head, you can visit Hourly UV Index in Glen Head.

Maximum UV Index Levels in Glen Head for December

The chart shows the monthly maximum UV Index (UVI) for Glen Head 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 Glen Head typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Glen Head 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 Glen Head Compares to Other Months

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

This table compares monthly weather conditions in Glen Head, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)82 mm (3.2 inches)84%moderate
February Weather2°C (36°F)120 mm (4.7 inches)82%moderate
March Weather5°C (41°F)105 mm (4.1 inches)81%high
April Weather9°C (49°F)129 mm (5.1 inches)78%very high
May Weather14°C (58°F)125 mm (4.9 inches)69%very high
June Weather20°C (69°F)90 mm (3.6 inches)69%very high
July Weather24°C (76°F)137 mm (5.4 inches)62%very high
August Weather24°C (75°F)118 mm (4.7 inches)65%very high
September Weather21°C (70°F)96 mm (3.8 inches)68%very high
October Weather16°C (61°F)145 mm (5.7 inches)74%high
November Weather9°C (48°F)102 mm (4.0 inches)82%moderate
December Weather5°C (40°F)134 mm (5.3 inches)80%low

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