January Weather in San Giuliano Vecchio, Italy

Last updated: August 23, 2025

In San Giuliano Vecchio, Italy, the average temperature in January hovers around 4°C (39°F), with the mercury dipping as low as -7°C (20°F) and occasionally climbing to a maximum of 16°C (60°F). Expect a moderate amount of precipitation, with approximately 36 mm (1.4 in) over about 5 days. The air is notably humid, with an average humidity of 88%, making it a unique experience for visitors.

January Temperature in San Giuliano Vecchio

In January in San Giuliano Vecchio, the average temperature is 4°C (39°F). Maximums can reach 16°C (60°F), while minimums can drop as low as -7°C (20°F). Travelers should be prepared for chilly weather and pack accordingly to fully enjoy their visit.

January Weather in San Giuliano Vecchio: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Giuliano Vecchio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Giuliano Vecchio, January typically has an average temperature of 4°C (39°F), with highs reaching up to 16°C (60°F) and lows dropping to around -7°C (20°F).

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

January Precipitation in San Giuliano Vecchio

In San Giuliano Vecchio in January, the precipitation amount is 36 mm (1.4 in) over the course of 5 days.

January Precipitation Trends in San Giuliano Vecchio

The chart displays monthly precipitation patterns in San Giuliano Vecchio, 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 San Giuliano Vecchio, January typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 5 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 San Giuliano Vecchio

In San Giuliano Vecchio in January, humidity is 88%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm.

January Average Humidity in San Giuliano Vecchio

This chart illustrates the average monthly humidity levels in San Giuliano Vecchio, 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 San Giuliano Vecchio 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 San Giuliano Vecchio

In San Giuliano Vecchio 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 San Giuliano Vecchio, you can visit Hourly UV Index in San Giuliano Vecchio.

Maximum UV Index Levels in San Giuliano Vecchio for January

The chart shows the monthly maximum UV Index (UVI) for San Giuliano Vecchio 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 San Giuliano Vecchio typically reaches 2, which falls under the low exposure category.

Data source: San Giuliano Vecchio 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 San Giuliano Vecchio Compares to Other Months

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

This table compares monthly weather conditions in San Giuliano Vecchio, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	36 mm (1.4 inches)	88%	low
February Weather	7°C (45°F)	47 mm (1.9 inches)	81%	moderate
March Weather	10°C (50°F)	53 mm (2.1 inches)	76%	moderate
April Weather	14°C (58°F)	62 mm (2.4 inches)	77%	high
May Weather	18°C (65°F)	87 mm (3.4 inches)	74%	very high
June Weather	24°C (76°F)	46 mm (1.8 inches)	71%	very high
July Weather	26°C (79°F)	50 mm (2.0 inches)	67%	very high
August Weather	26°C (80°F)	31 mm (1.2 inches)	64%	very high
September Weather	21°C (71°F)	53 mm (2.1 inches)	74%	high
October Weather	16°C (60°F)	93 mm (3.7 inches)	87%	moderate
November Weather	10°C (50°F)	142 mm (5.6 inches)	88%	moderate
December Weather	4°C (40°F)	78 mm (3.1 inches)	85%	low