January Weather in West Decatur, United States

Last updated: June 24, 2025

In January, the average temperature in West Decatur, United States hovers around -3°C (27°F). Expect chilly extremes with a minimum of -27°C (-16°F) and a generous maximum of 17°C (63°F). During this month, precipitation is notable, averaging 79 mm (3.1 in) over 12 days, all while maintaining a high humidity level of 89%. Prepare accordingly for the wintry weather!

January Temperature in West Decatur

In January in West Decatur, the average temperature is -3°C (27°F), with maximums reaching up to 17°C (63°F) and minimums plummeting as low as -27°C (-16°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm and lighter clothing for varied weather conditions.

January Weather in West Decatur: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in West Decatur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Decatur, January typically has an average temperature of -3°C (27°F), with highs reaching up to 17°C (63°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in West Decatur

In West Decatur in January, the precipitation amount is 79 mm (3.1 in) over a period of 12 days.

January Precipitation Trends in West Decatur

The chart displays monthly precipitation patterns in West Decatur, 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 West Decatur, January typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 12 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 West Decatur

In West Decatur 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 West Decatur

This chart illustrates the average monthly humidity levels in West Decatur, 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 West Decatur 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 West Decatur

In West Decatur 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 West Decatur, you can check the information here.

Maximum UV Index Levels in West Decatur for January

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

Data source: West Decatur 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 West Decatur Compares to Other Months

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

This table compares monthly weather conditions in West Decatur, 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)	79 mm (3.1 inches)	89%	moderate
February Weather	-1°C (31°F)	109 mm (4.3 inches)	90%	moderate
March Weather	3°C (38°F)	92 mm (3.6 inches)	89%	high
April Weather	9°C (48°F)	119 mm (4.7 inches)	88%	very high
May Weather	15°C (59°F)	145 mm (5.7 inches)	80%	very high
June Weather	19°C (67°F)	115 mm (4.5 inches)	79%	very high
July Weather	22°C (72°F)	121 mm (4.8 inches)	74%	very high
August Weather	21°C (71°F)	107 mm (4.2 inches)	64%	very high
September Weather	18°C (64°F)	122 mm (4.8 inches)	67%	very high
October Weather	12°C (54°F)	117 mm (4.6 inches)	81%	high
November Weather	4°C (39°F)	87 mm (3.4 inches)	89%	moderate
December Weather	0°C (33°F)	95 mm (3.8 inches)	88%	low