nomadseason

January Weather in Cornell, United States

Last updated: June 24, 2025

In January, the average temperature in Cornell, United States hovers around -9°C (16°F). However, be prepared for a wide temperature range, with minimums plunging to -33°C (-26°F) and maximums reaching up to 7°C (45°F). This month also sees around 32 mm (1.2 in) of precipitation over approximately 6 days, contributing to an average humidity of 88%. Stay warm and cozy!

January Temperature in Cornell

In January in Cornell, the average temperature is -9°C (16°F). The maximum can reach 7°C (45°F), and the minimum can be as low as -33°C (-26°F). Travelers should be well-prepared for extremely cold weather and fluctuating temperatures during this time.

January Weather in Cornell: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Cornell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cornell, January typically has an average temperature of -9°C (16°F), with highs reaching up to 7°C (45°F) and lows dropping to around -33°C (-26°F).
JanFebMarAprMayJunJulAugSepOctNovDec161632425768726862473222
Data source: Temperature data for Cornell 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.

January Precipitation in Cornell

In Cornell in January, the precipitation amount is 32 mm (1.2 in), which occurs over a span of 6 days.

January Precipitation Trends in Cornell

The chart displays monthly precipitation patterns in Cornell, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Cornell, January typically receives around 32 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec32475689122120121123981154860
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Cornell

In Cornell in January humidity is 88%. With an average temperature of -9°C (16°F), this humidity feels like a biting cold that seeps into your bones, making travel outside feel much more daunting and uncomfortable, as each breath turns into a cloud of mist in the frigid air.

January Average Humidity in Cornell

This chart illustrates the average monthly humidity levels in Cornell, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Cornell is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Cornell

In Cornell in January, 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 Cornell, you can visit Hourly UV Index in Cornell.

Maximum UV Index Levels in Cornell for January

The chart shows the monthly maximum UV Index (UVI) for Cornell in January, 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 January, the maximum UV index in Cornell typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Cornell January 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 January Weather in Cornell Compares to Other Months

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

This table compares monthly weather conditions in Cornell, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)32 mm (1.2 inches)88%low
February Weather-9°C (17°F)47 mm (1.9 inches)89%moderate
March Weather0°C (32°F)56 mm (2.2 inches)86%moderate
April Weather6°C (42°F)89 mm (3.5 inches)85%high
May Weather14°C (58°F)122 mm (4.8 inches)79%very high
June Weather20°C (69°F)120 mm (4.7 inches)80%very high
July Weather22°C (72°F)121 mm (4.8 inches)80%very high
August Weather20°C (68°F)123 mm (4.9 inches)78%very high
September Weather17°C (62°F)98 mm (3.9 inches)80%high
October Weather8°C (47°F)114 mm (4.5 inches)84%moderate
November Weather0°C (32°F)48 mm (1.9 inches)89%moderate
December Weather-5°C (23°F)60 mm (2.4 inches)85%low

Compare Cornell's Climate with Cities Worldwide