January Weather in Jefferson Heights, United States

Last updated: June 24, 2025

In January, the average temperature in Jefferson Heights, United States hovers around -3°C (27°F). Expect extremes, with minimums plunging to -24°C (-10°F) and maximums reaching 17°C (62°F). This month also sees 71 mm (2.8 in) of precipitation spread over 8 days, contributing to a relatively high average humidity of 89%.

January Temperature in Jefferson Heights

In January, in Jefferson Heights, the average temperature is -3°C (27°F). The maximum can reach 17°C (62°F), while the minimum can drop to as low as -24°C (-10°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable.

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

The chart illustrates January temperature patterns in Jefferson Heights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jefferson Heights, January typically has an average temperature of -3°C (27°F), with highs reaching up to 17°C (62°F) and lows dropping to around -24°C (-10°F).

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

January Precipitation in Jefferson Heights

In Jefferson Heights in January, the precipitation amount is 71 mm (2.8 in) over the course of 8 days.

January Precipitation Trends in Jefferson Heights

The chart displays monthly precipitation patterns in Jefferson 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 Jefferson Heights, January typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 8 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 Jefferson Heights

In Jefferson Heights in January, humidity is 89%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and breath a visible frost as you navigate through the wintery landscape.

January Average Humidity in Jefferson Heights

This chart illustrates the average monthly humidity levels in Jefferson 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 Jefferson Heights is approximately 89%, 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 Jefferson Heights

In Jefferson 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 Jefferson Heights, you can check the information here.

Maximum UV Index Levels in Jefferson Heights for January

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

Data source: Jefferson 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 Jefferson Heights Compares to Other Months

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

This table compares monthly weather conditions in Jefferson Heights, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	71 mm (2.8 inches)	89%	moderate
February Weather	-2°C (29°F)	88 mm (3.4 inches)	88%	moderate
March Weather	2°C (35°F)	81 mm (3.2 inches)	86%	high
April Weather	8°C (47°F)	139 mm (5.5 inches)	84%	very high
May Weather	14°C (58°F)	118 mm (4.6 inches)	76%	very high
June Weather	19°C (67°F)	111 mm (4.4 inches)	72%	very high
July Weather	22°C (72°F)	168 mm (6.6 inches)	66%	very high
August Weather	21°C (70°F)	141 mm (5.5 inches)	64%	very high
September Weather	18°C (64°F)	109 mm (4.3 inches)	72%	very high
October Weather	12°C (54°F)	147 mm (5.8 inches)	81%	high
November Weather	4°C (39°F)	97 mm (3.8 inches)	87%	moderate
December Weather	0°C (31°F)	97 mm (3.8 inches)	84%	low