January Weather in Florence, United States

Last updated: June 24, 2025

In January, the average temperature in Florence, United States hovers around -2°C (28°F), with extremes reaching as low as -23°C (-10°F) and peaking at 17°C (62°F). Expect light precipitation totaling 15 mm (0.6 in) spread over 4 days, and prepare for a humid atmosphere with an average humidity of 88%.

January Temperature in Florence

In January in Florence, the average temperature is -2°C (28°F). The maximum can reach 17°C (62°F), while the minimum can drop as low as -23°C (-10°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates January temperature patterns in Florence, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Florence, January typically has an average temperature of -2°C (28°F), with highs reaching up to 17°C (62°F) and lows dropping to around -23°C (-10°F).

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

January Precipitation in Florence

In Florence in January, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 days.

January Precipitation Trends in Florence

The chart displays monthly precipitation patterns in Florence, 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 Florence, January typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 4 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 Florence

In Florence in January humidity is 88%. With an average temperature of -2°C (28°F), this humidity feels like an icy cling to your skin, making every breath feel brisk and sharp, while the dampness cuts through layers of clothing, leaving travelers yearning for warmth and comfort.

January Average Humidity in Florence

This chart illustrates the average monthly humidity levels in Florence, 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 Florence is approximately 88%, 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 Florence

In Florence 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 Florence for better planning.

Maximum UV Index Levels in Florence for January

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

Data source: Florence 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 Florence Compares to Other Months

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

This table compares monthly weather conditions in Florence, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	15 mm (0.6 inches)	88%	moderate
February Weather	-3°C (28°F)	21 mm (0.8 inches)	87%	high
March Weather	4°C (39°F)	37 mm (1.5 inches)	81%	very high
April Weather	8°C (46°F)	41 mm (1.6 inches)	76%	extreme
May Weather	13°C (55°F)	64 mm (2.5 inches)	66%	extreme
June Weather	20°C (68°F)	42 mm (1.7 inches)	58%	extreme
July Weather	22°C (72°F)	78 mm (3.1 inches)	52%	extreme
August Weather	21°C (70°F)	62 mm (2.4 inches)	56%	extreme
September Weather	18°C (64°F)	31 mm (1.2 inches)	65%	very high
October Weather	9°C (48°F)	25 mm (1.0 inches)	76%	high
November Weather	3°C (38°F)	15 mm (0.6 inches)	82%	moderate
December Weather	-1°C (31°F)	11 mm (0.4 inches)	89%	moderate