January Weather in Cullman, United States

Last updated: June 24, 2025

In January, the average temperature in Cullman, United States hovers around 7°C (45°F), showcasing a range that can drop to a brisk -14°C (7°F) or rise to a warm 25°C (78°F). Expect about 117 mm (4.6 in) of precipitation over 10 days, contributing to a high average humidity of 87%. Prepare for a mix of chilly and mild days while navigating the often damp atmosphere!

January Temperature in Cullman

In January in Cullman, the average temperature is 7°C (45°F). Maximum temperatures can reach 25°C (78°F), while minimums can drop as low as -14°C (7°F). Travelers should be prepared for a wide range of weather conditions, from mild days to cold nights.

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

The chart illustrates January temperature patterns in Cullman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cullman, January typically has an average temperature of 7°C (45°F), with highs reaching up to 25°C (78°F) and lows dropping to around -14°C (7°F).

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

January Precipitation in Cullman

In Cullman in January, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.

January Precipitation Trends in Cullman

The chart displays monthly precipitation patterns in Cullman, 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 Cullman, January typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 10 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 Cullman

In Cullman in January, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.

January Average Humidity in Cullman

This chart illustrates the average monthly humidity levels in Cullman, 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 Cullman is approximately 87%, 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 Cullman

In Cullman in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Cullman for better planning.

Maximum UV Index Levels in Cullman for January

The chart shows the monthly maximum UV Index (UVI) for Cullman 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 Cullman typically reaches 4, which falls under the moderate exposure category.

Data source: Cullman 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 Cullman Compares to Other Months

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

This table compares monthly weather conditions in Cullman, 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 (45°F)	117 mm (4.6 inches)	87%	moderate
February Weather	10°C (50°F)	186 mm (7.3 inches)	87%	high
March Weather	13°C (56°F)	184 mm (7.3 inches)	85%	very high
April Weather	16°C (62°F)	147 mm (5.8 inches)	82%	very high
May Weather	22°C (72°F)	100 mm (4.0 inches)	83%	very high
June Weather	25°C (77°F)	127 mm (5.0 inches)	82%	extreme
July Weather	27°C (80°F)	106 mm (4.2 inches)	78%	extreme
August Weather	26°C (80°F)	107 mm (4.2 inches)	67%	very high
September Weather	24°C (76°F)	104 mm (4.1 inches)	64%	very high
October Weather	19°C (66°F)	134 mm (5.3 inches)	74%	high
November Weather	11°C (51°F)	76 mm (3.0 inches)	87%	high
December Weather	9°C (48°F)	157 mm (6.2 inches)	88%	moderate