nomadseason

December Weather in Buffalo, United States

Last updated: June 24, 2025

In Buffalo, United States, the average temperature in December hovers around -3°C (28°F), with a remarkable range that can drop to a chilling -28°C (-18°F) or spike to a warm 21°C (70°F). Expect some rain, as 20 mm (0.8 in) of precipitation typically falls over 4 days, contributing to an average humidity of 79%.

December Temperature in Buffalo

In December in Buffalo, the average temperature is -3°C (28°F), with maximums reaching 21°C (70°F) and minimums plummeting to -28°C (-18°F). Be prepared for a wide temperature range, making this an ideal time for travelers who enjoy both winter activities and milder days.

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 -3°C (28°F), with highs reaching up to 21°C (70°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec221833415468747061443527
Data source: Temperature data for Buffalo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Buffalo

In Buffalo in December, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 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 20 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec112028587745664042501320
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Buffalo

In Buffalo in December, humidity is 79%. With an average temperature of -3°C (28°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration brisk and invigorating, yet potentially uncomfortably damp if you're not dressed warmly enough.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%70%70%76%84%85%85%77%73%74%79%
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 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 Buffalo, you can visit Hourly UV Index in Buffalo.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101098532
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 Weather-5°C (22°F)11 mm (0.4 inches)77%low
February Weather-8°C (18°F)20 mm (0.8 inches)80%moderate
March Weather1°C (33°F)28 mm (1.1 inches)70%moderate
April Weather5°C (41°F)58 mm (2.3 inches)70%very high
May Weather12°C (54°F)77 mm (3.0 inches)76%very high
June Weather20°C (68°F)45 mm (1.8 inches)84%very high
July Weather23°C (74°F)66 mm (2.6 inches)85%very high
August Weather21°C (71°F)40 mm (1.6 inches)84%very high
September Weather16°C (62°F)42 mm (1.6 inches)77%very high
October Weather7°C (44°F)50 mm (2.0 inches)73%moderate
November Weather1°C (35°F)13 mm (0.5 inches)74%moderate
December Weather-3°C (28°F)20 mm (0.8 inches)79%low

Compare Buffalo's Climate with Cities Worldwide