January Weather in Florence, United States

Last updated: June 24, 2025

In January, the average temperature in Florence, United States plummets to -9°C (16°F). Conditions can be extreme, with minimums dipping as low as -31°C (-23°F) and highs reaching a mere 6°C (43°F). Expect 33 mm (1.3 in) of precipitation spread across 6 days, contributing to a high average humidity of 89%. Prepare for a chilly and damp experience!

January Temperature in Florence

In January in Florence, the average temperature is -9°C (16°F), with maximums reaching 6°C (43°F) and minimums plummeting to as low as -31°C (-23°F). Travelers should prepare for extreme cold conditions and dress appropriately for outdoor activities.

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 -9°C (16°F), with highs reaching up to 6°C (43°F) and lows dropping to around -31°C (-23°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 33 mm (1.3 in) over the course of 6 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 33 mm (1.3 inches) of precipitation spread over approximately 6 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 Florence

In Florence in January humidity is 89%. With an average temperature of -9°C (16°F), this humidity feels like an icy blanket, making it difficult to stay warm and comfortable while traveling, as the dampness seeps into your clothes and chills you to the bone.

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 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 Florence

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

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 2, which falls under the low 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	-9°C (16°F)	33 mm (1.3 inches)	89%	low
February Weather	-9°C (16°F)	49 mm (1.9 inches)	90%	moderate
March Weather	-3°C (27°F)	47 mm (1.9 inches)	87%	moderate
April Weather	3°C (38°F)	87 mm (3.4 inches)	84%	high
May Weather	12°C (54°F)	79 mm (3.1 inches)	77%	very high
June Weather	18°C (65°F)	94 mm (3.7 inches)	75%	very high
July Weather	21°C (70°F)	100 mm (4.0 inches)	74%	very high
August Weather	19°C (66°F)	114 mm (4.5 inches)	73%	very high
September Weather	15°C (59°F)	95 mm (3.7 inches)	78%	high
October Weather	7°C (45°F)	104 mm (4.1 inches)	84%	moderate
November Weather	-1°C (30°F)	53 mm (2.1 inches)	89%	moderate
December Weather	-6°C (22°F)	55 mm (2.2 inches)	87%	low