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December Weather in Buffalo, United States

Last updated: June 24, 2025

In December, the average temperature in Buffalo, United States hovers around 12°C (54°F). However, prepare for a range that can dip as low as -2°C (28°F) and soar to a warm 28°C (83°F). Expect about 106 mm (4.2 in) of precipitation over approximately 8 days, combined with an average humidity of 87% that adds to the area's climate charm.

December Temperature in Buffalo

In December in Buffalo, the average temperature is 12°C (54°F), with maximums reaching up to 28°C (83°F) and minimums dropping as low as -2°C (28°F). Be prepared for a wide range of temperatures when traveling to Buffalo during this time.

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

The chart illustrates December temperature patterns in Buffalo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buffalo, December typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (83°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec505262677582858680705954
Data source: Temperature data for Buffalo 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 Buffalo

In Buffalo in December, the precipitation amount is 106 mm (4.2 in) over a span of 8 days.

December Precipitation Trends in Buffalo

The chart displays monthly precipitation patterns in Buffalo, 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 Buffalo, December typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec981221051331719471939612774107
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Buffalo

In Buffalo in December humidity is 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

December Average Humidity in Buffalo

This chart illustrates the average monthly humidity levels in Buffalo, 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 Buffalo is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Buffalo

In Buffalo in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Buffalo for better planning.

Maximum UV Index Levels in Buffalo for December

The chart shows the monthly maximum UV Index (UVI) for Buffalo 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 Buffalo typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111111121110864
Data source: Buffalo 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 Buffalo Compares to Other Months

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

This table compares monthly weather conditions in Buffalo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)98 mm (3.9 inches)79%moderate
February Weather11°C (52°F)122 mm (4.8 inches)80%high
March Weather17°C (63°F)105 mm (4.1 inches)78%very high
April Weather19°C (67°F)133 mm (5.2 inches)79%extreme
May Weather24°C (76°F)171 mm (6.7 inches)81%extreme
June Weather28°C (82°F)94 mm (3.7 inches)77%extreme
July Weather30°C (86°F)70 mm (2.8 inches)71%extreme
August Weather30°C (86°F)93 mm (3.7 inches)67%extreme
September Weather27°C (81°F)96 mm (3.8 inches)69%very high
October Weather21°C (71°F)127 mm (5.0 inches)73%very high
November Weather15°C (59°F)74 mm (2.9 inches)82%high
December Weather12°C (54°F)106 mm (4.2 inches)87%moderate

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