January Weather in Aci Castello, Italy

Last updated: August 23, 2025

In January, the average temperature in Aci Castello, Italy is a pleasant 12°C (54°F). Expect chilly minimums of 4°C (40°F) and comfortable maximums reaching 18°C (65°F). During this month, you can anticipate approximately 46 mm (1.8 in) of precipitation spread over 6 days, with an average humidity of 75%, contributing to the region's lush, vibrant atmosphere.

January Temperature in Aci Castello

In January in Aci Castello, the average temperature is 12°C (54°F), with maximums reaching 18°C (65°F) and minimums dropping to as low as 4°C (40°F). It's a great time to visit if you enjoy mild weather and want to explore without the heat of summer.

January Weather in Aci Castello: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Aci Castello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aci Castello, January typically has an average temperature of 12°C (54°F), with highs reaching up to 18°C (65°F) and lows dropping to around 4°C (40°F).

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

January Precipitation in Aci Castello

In Aci Castello in January, the precipitation amount is 46 mm (1.8 in) over a span of 6 days.

January Precipitation Trends in Aci Castello

The chart displays monthly precipitation patterns in Aci Castello, 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 Aci Castello, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 6 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 Aci Castello

In Aci Castello in January, humidity is 75%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that seeps into your bones, making it essential to layer your clothing for comfort while exploring.

January Average Humidity in Aci Castello

This chart illustrates the average monthly humidity levels in Aci Castello, 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 Aci Castello is approximately 75%, 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 Aci Castello

In Aci Castello 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 Aci Castello, you can check the information here.

Maximum UV Index Levels in Aci Castello for January

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

Data source: Aci Castello 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 Aci Castello Compares to Other Months

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

This table compares monthly weather conditions in Aci Castello, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	46 mm (1.8 inches)	75%	moderate
February Weather	13°C (56°F)	60 mm (2.4 inches)	71%	moderate
March Weather	13°C (56°F)	61 mm (2.4 inches)	71%	high
April Weather	15°C (60°F)	26 mm (1.0 inches)	76%	very high
May Weather	19°C (66°F)	12 mm (0.5 inches)	77%	very high
June Weather	23°C (74°F)	18 mm (0.7 inches)	76%	very high
July Weather	26°C (80°F)	8 mm (0.3 inches)	72%	very high
August Weather	27°C (81°F)	6 mm (0.2 inches)	70%	very high
September Weather	25°C (77°F)	35 mm (1.4 inches)	73%	very high
October Weather	21°C (70°F)	146 mm (5.8 inches)	73%	high
November Weather	18°C (64°F)	131 mm (5.1 inches)	75%	moderate
December Weather	14°C (58°F)	35 mm (1.4 inches)	75%	moderate