January Weather in Formello, Italy

Last updated: August 23, 2025

In January, the average temperature in Formello, Italy hovers around 7°C (45°F), with a minimum dropping to -4°C (26°F) and a maximum reaching 19°C (66°F). Expect 62 mm (2.4 in) of precipitation spread over 8 days, while the atmosphere remains relatively humid, with an average humidity of 80%. Stay prepared for a range of weather conditions!

January Temperature in Formello

In January in Formello, the average temperature is 7°C (45°F). Maximum temperatures can reach 19°C (66°F), while minimums can drop as low as -4°C (26°F). Pack accordingly for a mix of mild days and chilly nights when visiting.

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

The chart illustrates January temperature patterns in Formello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Formello, January typically has an average temperature of 7°C (45°F), with highs reaching up to 19°C (66°F) and lows dropping to around -4°C (26°F).

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

January Precipitation in Formello

In Formello in January, the precipitation amount is 62 mm (2.4 in) over the course of 8 days.

January Precipitation Trends in Formello

The chart displays monthly precipitation patterns in Formello, 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 Formello, January typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 8 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 Formello

In Formello in January, humidity is 80%. With an average temperature of 7°C (45°F), this humidity feels like you're wrapped in a damp blanket, making it quite uncomfortable for traveling and leaving you feeling chilly and clammy as you explore the area.

January Average Humidity in Formello

This chart illustrates the average monthly humidity levels in Formello, 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 Formello 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 Formello

In Formello 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 Formello, you can check the information here.

Maximum UV Index Levels in Formello for January

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

Data source: Formello 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 Formello Compares to Other Months

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

This table compares monthly weather conditions in Formello, 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)	62 mm (2.4 inches)	80%	moderate
February Weather	9°C (49°F)	78 mm (3.1 inches)	73%	moderate
March Weather	11°C (52°F)	80 mm (3.2 inches)	69%	moderate
April Weather	14°C (57°F)	69 mm (2.7 inches)	74%	high
May Weather	18°C (65°F)	77 mm (3.0 inches)	76%	very high
June Weather	23°C (74°F)	31 mm (1.2 inches)	73%	very high
July Weather	26°C (79°F)	23 mm (0.9 inches)	70%	very high
August Weather	27°C (80°F)	17 mm (0.7 inches)	68%	very high
September Weather	22°C (72°F)	104 mm (4.1 inches)	71%	high
October Weather	17°C (63°F)	92 mm (3.6 inches)	76%	moderate
November Weather	13°C (56°F)	161 mm (6.3 inches)	79%	moderate
December Weather	9°C (48°F)	135 mm (5.3 inches)	77%	low