January Weather in Rome City, United States

Last updated: June 24, 2025

In January, the average temperature in Rome City, United States hovers around -3°C (28°F). Expect dramatic fluctuations, with minimums plummeting to -28°C (-19°F) and maximums reaching a pleasant 16°C (62°F). Additionally, 72 mm (2.8 in) of precipitation may fall over 9 days, accompanied by an average humidity of 85%, creating a notably chilly and moist atmosphere.

January Temperature in Rome City

In January in Rome City, the average temperature is -3°C (28°F). The maximum can reach 16°C (62°F) and the minimum can be as low as -28°C (-19°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

January Weather in Rome City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rome City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rome City, January typically has an average temperature of -3°C (28°F), with highs reaching up to 16°C (62°F) and lows dropping to around -28°C (-19°F).

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

January Precipitation in Rome City

In Rome City in January, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

January Precipitation Trends in Rome City

The chart displays monthly precipitation patterns in Rome City, 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 Rome City, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 9 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 Rome City

In Rome City in January, humidity is 85%. With an average temperature of -3°C (28°F), this humidity feels like an icy weight upon your skin, making every breath a sharp reminder of the cold. Traveling in such conditions can be challenging, as the dampness seeps into your clothes and chills you to the bone, leaving you seeking warmth at every turn.

January Average Humidity in Rome City

This chart illustrates the average monthly humidity levels in Rome City, 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 Rome City is approximately 85%, 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 Rome City

In Rome City 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 Rome City, you can check the information here.

Maximum UV Index Levels in Rome City for January

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

Data source: Rome City 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 Rome City Compares to Other Months

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

This table compares monthly weather conditions in Rome City, 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 (28°F)	72 mm (2.8 inches)	85%	moderate
February Weather	-2°C (29°F)	76 mm (3.0 inches)	85%	moderate
March Weather	4°C (39°F)	103 mm (4.0 inches)	86%	high
April Weather	9°C (48°F)	99 mm (3.9 inches)	87%	very high
May Weather	16°C (61°F)	133 mm (5.2 inches)	81%	very high
June Weather	22°C (72°F)	124 mm (4.9 inches)	82%	very high
July Weather	24°C (75°F)	113 mm (4.5 inches)	81%	very high
August Weather	22°C (72°F)	108 mm (4.2 inches)	79%	very high
September Weather	19°C (67°F)	74 mm (2.9 inches)	78%	very high
October Weather	13°C (55°F)	121 mm (4.8 inches)	81%	high
November Weather	4°C (40°F)	82 mm (3.2 inches)	89%	moderate
December Weather	1°C (34°F)	60 mm (2.4 inches)	86%	moderate