January Weather in Italy, United States

Last updated: June 24, 2025

In January, the average temperature in Italy, United States hovers around 9°C (48°F). While the mercury can dip as low as -11°C (12°F), it can also rise to a warm 26°C (79°F). Prepare for 61 mm (2.4 in) of precipitation spread over 6 days, with an average humidity of 80% making for a rather damp atmosphere.

January Temperature in Italy

In January in Italy, the average temperature is 9°C (48°F). Maximum temperatures can reach 26°C (79°F), while minimums can drop as low as -11°C (12°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates January temperature patterns in Italy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Italy, January typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (79°F) and lows dropping to around -11°C (12°F).

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

January Precipitation in Italy

In Italy in January, the total precipitation amount is 61 mm (2.4 in) spread over a period of 6 days.

January Precipitation Trends in Italy

The chart displays monthly precipitation patterns in Italy, 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 Italy, January typically receives around 61 mm (2.4 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 Italy

In Italy in January humidity is 80%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel quite uncomfortable.

January Average Humidity in Italy

This chart illustrates the average monthly humidity levels in Italy, 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 Italy is approximately 80%, 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 Italy

In Italy 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 Italy for better planning.

Maximum UV Index Levels in Italy for January

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

Data source: Italy 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 Italy Compares to Other Months

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

This table compares monthly weather conditions in Italy, 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 (48°F)	61 mm (2.4 inches)	80%	moderate
February Weather	10°C (50°F)	97 mm (3.8 inches)	79%	high
March Weather	16°C (61°F)	90 mm (3.5 inches)	78%	very high
April Weather	19°C (66°F)	121 mm (4.8 inches)	78%	very high
May Weather	24°C (75°F)	180 mm (7.1 inches)	81%	extreme
June Weather	27°C (82°F)	87 mm (3.4 inches)	78%	extreme
July Weather	29°C (85°F)	65 mm (2.6 inches)	73%	extreme
August Weather	29°C (85°F)	99 mm (3.9 inches)	66%	extreme
September Weather	26°C (80°F)	79 mm (3.1 inches)	65%	very high
October Weather	20°C (69°F)	139 mm (5.5 inches)	72%	very high
November Weather	14°C (58°F)	50 mm (2.0 inches)	82%	high
December Weather	11°C (53°F)	64 mm (2.5 inches)	87%	moderate