San Siro Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Siro.
Climate overview of San Siro
San Siro, Lombardy, Italy, sees big temperature differences between seasons, with July peaking at 24°C (75°F) and January dropping to 4°C (39°F).
The city has a wet climate, receiving around 1711 mm (67 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from August to November. June is the wettest month. The sunniest month is July, with 9.5 hours of sunshine per day on average.
San Siro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Siro — and find the best time to visit.
Monthly Temperature in San Siro
Visitors to San Siro can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 4°C (39°F) in January.
Nighttime temperatures range from 14°C (57°F) in July to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Siro
San Siro is known for its substantial rain/snowfall, with annual precipitation reaching 1711 mm (67 in). The seasons in San Siro bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 188 mm (7.4 in) of precipitation. This rainfall is distributed across 16 rainy days.
In contrast, the driest month, January, experiences much less snow/rainfall, totaling 69 mm (2.7 in) over 12 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Siro Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in San Siro
In San Siro, summer days are longer and more sunny, with daily sunshine hours peaking at 9.5 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 1.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in San Siro by Month
The relative humidity is high throughout the year in San Siro.
The city experiences its highest humidity in December, reaching 86%. In March, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit San Siro
The weather brings rainfall of 157 mm (6.2 in) during this period.
Plan accordingly for May, June, August, September, October and November, when conditions bring the heaviest precipitation. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in San Siro
What is the best time to visit San Siro?
July typically offers the most optimal weather in San Siro. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. San Siro has a distinct rainy season from August to November.
What temperatures can I expect in San Siro?
Daytime highs range from 4°C (39°F) in January to 24°C (75°F) in July. Nighttime lows range from -4°C (25°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does San Siro get?
Annual rainfall is around 1711 mm (67 in). June is the wettest month with 188 mm (7.4 in), while January is the driest with 69 mm (2.7 in).
How sunny is San Siro?
San Siro receives around 1,921 hours of sunshine per year. July is the sunniest month with 284 hours, while January is the cloudiest with just 57 hours.
San Siro 3-Day Forecast
San Siro 3-Day Forecast
San Siro on the map
San Siro is highlighted — select any city to see its climate.
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