January Weather in Cornwells Heights, United States

Last updated: June 24, 2025

In January, the average temperature in Cornwells Heights, United States hovers around 2°C (36°F), with a minimum dipping to -17°C (2°F) and a peak reaching 20°C (68°F). Expect about 63 mm (2.5 in) of precipitation across 9 days, accompanied by a high average humidity of 84%.

January Temperature in Cornwells Heights

In January in Cornwells Heights, the average temperature is 2°C (36°F). The maximum can reach 20°C (68°F), while the minimum can drop as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

January Weather in Cornwells Heights: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Cornwells Heights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cornwells Heights, January typically has an average temperature of 2°C (36°F), with highs reaching up to 20°C (68°F) and lows dropping to around -17°C (2°F).

Data source: Temperature data for Cornwells Heights generated using information from the Copernicus Climate Change Service.

January Precipitation in Cornwells Heights

In Cornwells Heights in January, the total precipitation amount is 63 mm (2.5 in) spread over a duration of 9 days.

January Precipitation Trends in Cornwells Heights

The chart displays monthly precipitation patterns in Cornwells Heights, 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 Cornwells Heights, January typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Cornwells Heights

In Cornwells Heights in January, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

January Average Humidity in Cornwells Heights

This chart illustrates the average monthly humidity levels in Cornwells Heights, 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 Cornwells Heights is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Cornwells Heights

In Cornwells Heights in January, 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 Cornwells Heights, you can check the information here.

Maximum UV Index Levels in Cornwells Heights for January

The chart shows the monthly maximum UV Index (UVI) for Cornwells Heights 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 Cornwells Heights typically reaches 3, which falls under the moderate exposure category.

Data source: Cornwells Heights 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 Cornwells Heights Compares to Other Months

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

This table compares monthly weather conditions in Cornwells Heights, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	63 mm (2.5 inches)	84%	moderate
February Weather	4°C (39°F)	108 mm (4.2 inches)	83%	moderate
March Weather	7°C (44°F)	108 mm (4.3 inches)	83%	high
April Weather	12°C (55°F)	103 mm (4.0 inches)	81%	very high
May Weather	18°C (64°F)	127 mm (5.0 inches)	78%	very high
June Weather	23°C (74°F)	99 mm (3.9 inches)	79%	very high
July Weather	26°C (79°F)	129 mm (5.1 inches)	74%	very high
August Weather	25°C (77°F)	129 mm (5.1 inches)	72%	very high
September Weather	22°C (71°F)	86 mm (3.4 inches)	75%	very high
October Weather	16°C (61°F)	112 mm (4.4 inches)	81%	high
November Weather	8°C (47°F)	83 mm (3.3 inches)	85%	moderate
December Weather	4°C (40°F)	102 mm (4.0 inches)	84%	moderate