January Weather in Kennesaw, United States

Last updated: June 24, 2025

In January, the average temperature in Kennesaw, United States hovers around 7°C (45°F). During this month, temperatures can swing from a chilling -12°C (10°F) to a warm 24°C (76°F). With an average precipitation of 113 mm (4.5 in) spread over 10 days, and humidity levels at 86%, it’s clear that this month brings a mix of weather conditions.

January Temperature in Kennesaw

In January in Kennesaw, the average temperature is 7°C (45°F), with maximums reaching 24°C (76°F) and minimums dropping as low as -12°C (10°F). Travelers should be prepared for a wide range of temperatures, from mild days to potentially frosty nights.

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

The chart illustrates January temperature patterns in Kennesaw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kennesaw, January typically has an average temperature of 7°C (45°F), with highs reaching up to 24°C (76°F) and lows dropping to around -12°C (10°F).

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

January Precipitation in Kennesaw

In Kennesaw in January, the total precipitation amount is 113 mm (4.5 in) over the course of 10 days.

January Precipitation Trends in Kennesaw

The chart displays monthly precipitation patterns in Kennesaw, 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 Kennesaw, January typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Kennesaw

In Kennesaw in January, humidity is 86%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.

January Average Humidity in Kennesaw

This chart illustrates the average monthly humidity levels in Kennesaw, 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 Kennesaw is approximately 86%, 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 Kennesaw

In Kennesaw 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 Kennesaw for better planning.

Maximum UV Index Levels in Kennesaw for January

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

Data source: Kennesaw 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 Kennesaw Compares to Other Months

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

This table compares monthly weather conditions in Kennesaw, 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)	113 mm (4.5 inches)	86%	moderate
February Weather	10°C (50°F)	158 mm (6.2 inches)	84%	high
March Weather	13°C (56°F)	142 mm (5.6 inches)	83%	very high
April Weather	16°C (62°F)	132 mm (5.2 inches)	81%	very high
May Weather	21°C (71°F)	111 mm (4.4 inches)	81%	extreme
June Weather	24°C (76°F)	127 mm (5.0 inches)	81%	extreme
July Weather	26°C (79°F)	117 mm (4.6 inches)	83%	extreme
August Weather	26°C (78°F)	150 mm (5.9 inches)	81%	very high
September Weather	23°C (74°F)	114 mm (4.5 inches)	82%	very high
October Weather	18°C (65°F)	137 mm (5.4 inches)	78%	very high
November Weather	11°C (52°F)	85 mm (3.4 inches)	86%	high
December Weather	9°C (48°F)	142 mm (5.6 inches)	89%	moderate