January Weather in Grassano, Italy

Last updated: August 23, 2025

In January, the average temperature in Grassano, Italy hovers around 5°C (42°F). Be prepared for a wide temperature range, as it can dip to a chilling -14°C (8°F) or rise to a pleasant 18°C (64°F). With 51 mm (2.0 in) of precipitation over 9 days, expect some rainy spells, and don't forget your umbrella! The average humidity sits at a brisk 82%, adding to the crisp atmosphere.

January Temperature in Grassano

In January in Grassano, the average temperature is 5°C (42°F). Maximum temperatures can reach 18°C (64°F), while the minimum can drop as low as -14°C (8°F). Be prepared for a wide range of conditions during your travels, and pack accordingly!

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

The chart illustrates January temperature patterns in Grassano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grassano, January typically has an average temperature of 5°C (42°F), with highs reaching up to 18°C (64°F) and lows dropping to around -14°C (8°F).

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

January Precipitation in Grassano

In Grassano in January, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

January Precipitation Trends in Grassano

The chart displays monthly precipitation patterns in Grassano, 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 Grassano, January typically receives around 51 mm (2.0 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 Grassano

In Grassano in January humidity is 82%. With an average temperature of 5°C (42°F), this humidity feels like a wet chill that seeps into your bones, making outdoor exploration uncomfortable and dampening the joy of traveling.

January Average Humidity in Grassano

This chart illustrates the average monthly humidity levels in Grassano, 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 Grassano is approximately 82%, 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 Grassano

In Grassano 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 Grassano, you can check the information here.

Maximum UV Index Levels in Grassano for January

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

Data source: Grassano 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 Grassano Compares to Other Months

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

This table compares monthly weather conditions in Grassano, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	51 mm (2.0 inches)	82%	moderate
February Weather	8°C (46°F)	53 mm (2.1 inches)	74%	moderate
March Weather	9°C (48°F)	57 mm (2.2 inches)	70%	high
April Weather	13°C (55°F)	62 mm (2.4 inches)	71%	very high
May Weather	17°C (64°F)	66 mm (2.6 inches)	71%	very high
June Weather	23°C (73°F)	51 mm (2.0 inches)	65%	very high
July Weather	26°C (78°F)	24 mm (0.9 inches)	61%	very high
August Weather	26°C (79°F)	36 mm (1.4 inches)	56%	very high
September Weather	21°C (70°F)	33 mm (1.3 inches)	66%	very high
October Weather	16°C (61°F)	52 mm (2.0 inches)	74%	high
November Weather	12°C (53°F)	101 mm (4.0 inches)	80%	moderate
December Weather	8°C (46°F)	51 mm (2.0 inches)	82%	low