January Weather in Castellana, Italy

Last updated: August 23, 2025

In January, the average temperature in Castellana, Italy hovers around 10°C (50°F). Expect a minimum chill of -1°C (31°F), while the mercury can rise to a pleasant 17°C (63°F). Prepare for 62 mm (2.4 in) of rain spread over 9 days, contributing to a humidity level of 82%. Stay cozy and enjoy the season!

January Temperature in Castellana

In January in Castellana, the average temperature is 10°C (50°F), with maximums reaching up to 17°C (63°F) and minimums dropping as low as -1°C (31°F). It's advisable for travelers to pack layers to stay comfortable in varying temperatures.

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

The chart illustrates January temperature patterns in Castellana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castellana, January typically has an average temperature of 10°C (50°F), with highs reaching up to 17°C (63°F) and lows dropping to around -1°C (31°F).

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

January Precipitation in Castellana

In Castellana in January, the precipitation amount is 62 mm (2.4 in) over the course of 9 days.

January Precipitation Trends in Castellana

The chart displays monthly precipitation patterns in Castellana, 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 Castellana, January typically receives around 62 mm (2.4 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 Castellana

In Castellana in January, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.

January Average Humidity in Castellana

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

In Castellana 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 Castellana, you can check the information here.

Maximum UV Index Levels in Castellana for January

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

Data source: Castellana 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 Castellana Compares to Other Months

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

This table compares monthly weather conditions in Castellana, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	62 mm (2.4 inches)	82%	moderate
February Weather	11°C (52°F)	53 mm (2.1 inches)	74%	moderate
March Weather	12°C (53°F)	51 mm (2.0 inches)	70%	high
April Weather	14°C (58°F)	44 mm (1.7 inches)	71%	high
May Weather	18°C (65°F)	46 mm (1.8 inches)	71%	very high
June Weather	23°C (74°F)	21 mm (0.8 inches)	65%	very high
July Weather	26°C (79°F)	14 mm (0.6 inches)	61%	very high
August Weather	27°C (80°F)	21 mm (0.8 inches)	56%	very high
September Weather	23°C (74°F)	40 mm (1.6 inches)	66%	high
October Weather	19°C (66°F)	56 mm (2.2 inches)	74%	high
November Weather	15°C (60°F)	99 mm (3.9 inches)	80%	moderate
December Weather	12°C (53°F)	58 mm (2.3 inches)	82%	low