Arosio Weather & Climate: Best Time to Visit

Visitors to Arosio can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 25°C (77°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 6°C (43°F).

At night, temperatures range from around 16°C (61°F) in July to -2°C (28°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Arosio is known for its substantial rain/snowfall, with annual precipitation reaching 1725 mm (68 in). Arosio can be quite wet during October, receiving approximately 195 mm (7.7 in) of precipitation over 12 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 73 mm (2.9 in) of precipitation spread across 12 snowy/rainy days. For more details, please visit our Arosio Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Arosio can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.9 hours of sunshine daily. In contrast, the city experiences much darker days in November, with only 3.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Arosio.

The city experiences its highest humidity in October, reaching 75%. In March, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year