January Weather in Jay, United States

Last updated: June 24, 2025

In Jay, United States, the average temperature in January hovers around -7°C (20°F). Expect chilly extremes, with minimums dipping to -31°C (-24°F) and maximums reaching 12°C (53°F). During this month, precipitation totals 83 mm (3.3 in), typically spread over 8 days. Additionally, the average humidity stands at a brisk 91%, ensuring a truly frosty atmosphere.

January Temperature in Jay

In January in Jay, the average temperature is -7°C (20°F). The maximum can reach 12°C (53°F) and the minimum can be as low as -31°C (-24°F). Be prepared for very cold weather and pack accordingly when traveling to Jay during this time.

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

The chart illustrates January temperature patterns in Jay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jay, January typically has an average temperature of -7°C (20°F), with highs reaching up to 12°C (53°F) and lows dropping to around -31°C (-24°F).

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

January Precipitation in Jay

In Jay in January, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.

January Precipitation Trends in Jay

The chart displays monthly precipitation patterns in Jay, 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 Jay, January typically receives around 83 mm (3.3 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 Jay

In Jay in January humidity is 91%. With an average temperature of -7°C (20°F), this humidity feels like an icy embrace that clings to your skin, making travel uncomfortable and challenging as every breath feels damp and heavy in the frigid air.

January Average Humidity in Jay

This chart illustrates the average monthly humidity levels in Jay, 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 Jay is approximately 91%, 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 Jay

In Jay 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 Jay, you can visit Hourly UV Index in Jay.

Maximum UV Index Levels in Jay for January

The chart shows the monthly maximum UV Index (UVI) for Jay 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 Jay typically reaches 2, which falls under the low exposure category.

Data source: Jay 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 Jay Compares to Other Months

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

This table compares monthly weather conditions in Jay, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	83 mm (3.3 inches)	91%	low
February Weather	-5°C (22°F)	85 mm (3.4 inches)	89%	moderate
March Weather	-1°C (30°F)	73 mm (2.9 inches)	85%	moderate
April Weather	6°C (42°F)	126 mm (5.0 inches)	84%	very high
May Weather	12°C (54°F)	85 mm (3.4 inches)	78%	very high
June Weather	18°C (65°F)	80 mm (3.1 inches)	72%	very high
July Weather	21°C (70°F)	128 mm (5.0 inches)	75%	very high
August Weather	20°C (68°F)	88 mm (3.5 inches)	74%	very high
September Weather	16°C (61°F)	69 mm (2.7 inches)	77%	high
October Weather	10°C (49°F)	129 mm (5.1 inches)	85%	moderate
November Weather	2°C (35°F)	110 mm (4.3 inches)	86%	moderate
December Weather	-4°C (25°F)	117 mm (4.6 inches)	85%	low