nomadseason

December Weather in Buffalo, United States

Last updated: June 24, 2025

In December, the average temperature in Buffalo, United States hovers around 4°C (40°F). Residents and visitors may experience a chilly minimum of -13°C (8°F), while the mercury could rise as high as 26°C (78°F) on warmer days. Precipitation is moderate, with an average of 26 mm (1.0 in) spread over 2 days, and the air remains quite humid at around 83%.

December Temperature in Buffalo

In December in Buffalo, the average temperature is 4°C (40°F), with maximums reaching 26°C (78°F) and minimums dropping to as low as -13°C (8°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 4°C (40°F), with highs reaching up to 26°C (78°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec363649576778827974594739
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 precipitation amount is 26 mm (1.0 in) over the course of 2 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 26 mm (1.0 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2513645211860445549621226
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 83%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring you to bundle up while bracing against the heavy, cold air.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%67%70%82%82%81%76%67%72%80%83%
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 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 Buffalo, you can check the information here.

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 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111119753
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 Weather2°C (36°F)25 mm (1.0 inches)75%moderate
February Weather2°C (37°F)13 mm (0.5 inches)76%high
March Weather10°C (50°F)64 mm (2.5 inches)67%high
April Weather14°C (57°F)52 mm (2.1 inches)70%very high
May Weather19°C (67°F)118 mm (4.6 inches)82%extreme
June Weather26°C (78°F)60 mm (2.4 inches)82%extreme
July Weather28°C (82°F)44 mm (1.7 inches)81%extreme
August Weather26°C (80°F)55 mm (2.2 inches)76%extreme
September Weather23°C (74°F)49 mm (1.9 inches)67%very high
October Weather15°C (59°F)62 mm (2.4 inches)72%high
November Weather8°C (47°F)12 mm (0.5 inches)80%moderate
December Weather4°C (40°F)26 mm (1.0 inches)83%moderate

Compare Buffalo's Climate with Cities Worldwide