January Weather in Castelmassa, Italy

Last updated: August 23, 2025

In Castelmassa, Italy, the average temperature in January hovers around 4°C (39°F), with minimums dipping as low as -6°C (22°F) and highs reaching up to 16°C (60°F). During this month, you can expect about 24 mm (0.9 in) of precipitation spread over 3 days, accompanied by a notable average humidity of 87%. Stay prepared for a chilly and damp atmosphere!

January Temperature in Castelmassa

In January in Castelmassa, the average temperature is 4°C (39°F). The maximum can reach 16°C (60°F), while the minimum can drop as low as -6°C (22°F). Therefore, travelers should prepare for a mix of cool weather and occasional warmth, making it perfect for layering outfits during their visit.

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

The chart illustrates January temperature patterns in Castelmassa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelmassa, 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 -6°C (22°F).

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

January Precipitation in Castelmassa

In Castelmassa in January, the precipitation amount is 24 mm (0.9 in) over a span of 3 days.

January Precipitation Trends in Castelmassa

The chart displays monthly precipitation patterns in Castelmassa, 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 Castelmassa, January typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 3 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 Castelmassa

In Castelmassa in January, humidity is 87%. 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 gritty, as the air hangs heavy and clings to your skin.

January Average Humidity in Castelmassa

This chart illustrates the average monthly humidity levels in Castelmassa, 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 Castelmassa is approximately 87%, 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 Castelmassa

In Castelmassa 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 Castelmassa, you can visit Hourly UV Index in Castelmassa.

Maximum UV Index Levels in Castelmassa for January

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

Data source: Castelmassa 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 Castelmassa Compares to Other Months

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

This table compares monthly weather conditions in Castelmassa, 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)	24 mm (0.9 inches)	87%	low
February Weather	7°C (45°F)	57 mm (2.2 inches)	79%	moderate
March Weather	10°C (50°F)	50 mm (2.0 inches)	69%	moderate
April Weather	15°C (58°F)	79 mm (3.1 inches)	71%	high
May Weather	19°C (66°F)	120 mm (4.7 inches)	70%	very high
June Weather	24°C (76°F)	65 mm (2.6 inches)	65%	very high
July Weather	26°C (79°F)	102 mm (4.0 inches)	61%	very high
August Weather	26°C (80°F)	87 mm (3.4 inches)	54%	very high
September Weather	21°C (70°F)	121 mm (4.8 inches)	66%	high
October Weather	16°C (61°F)	73 mm (2.9 inches)	83%	moderate
November Weather	11°C (51°F)	117 mm (4.6 inches)	88%	moderate
December Weather	5°C (41°F)	71 mm (2.8 inches)	85%	low