The best times to visit San Siro for ideal weather are
April 30th to October 14th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
San Siro Travel Guide
Other San Siro Travel Info
Weather in San Siro
Average temperatures in San Siro vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 36th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit San Siro, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 86.1°F (30.1°C) with temperatures rarely dropping below 62.3°F (16.8°C) at night.
San Siro Temperatures (Fahrenheit)
San Siro Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
San Siro Perceived Temperature (F)
San Siro Perceived Temperature (C)
Average San Siro Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in San Siro are December, January, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early December. For example, on the week of December 3rd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid October with an average of 4 days of significant precipitation the week of October 8th.
When can you find snow in San Siro? Weather stations report a bit of annual snow likely to be deepest around December, especially close to early to mid December. The best time to ski (if at all) in San Siro is often around around December 10th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in San Siro.
Snow on the Ground
The graph below shows the average snow on the ground in San Siro (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
San Siro has some extremely humid months, with other comfortably humid months. The least humid month is April (56.6% relative humidity), and the most humid month is October (85.5%).
Wind in San Siro is usually extremely calm. The windiest month is April, followed by March and June. April’s average wind speed of around 3.6 knots (4.1 MPH or 6.6 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid April where average top sustained speeds reach 10.5 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in San Siro.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||2.5||Barely noticeable||6.6||Light breeze|
|Feb||2.6||Barely noticeable||6.2||Light breeze|
|Mar||3.3||Barely noticeable||8.2||Light breeze|
|Apr||3.6||Barely noticeable||9.4||Gentle breeze|
|May||3.2||Barely noticeable||9||Light breeze|
|Jun||3.2||Barely noticeable||8.7||Gentle breeze|
|Jul||3||Barely noticeable||7.8||Light breeze|
|Aug||3||Barely noticeable||7.5||Gentle breeze|
|Sep||2.6||Barely noticeable||6.9||Light breeze|
|Oct||2.1||Barely noticeable||5.6||Light breeze|
|Nov||2.3||Barely noticeable||5.4||Light breeze|
|Dec||2.4||Barely noticeable||6||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to San Siro?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Italy; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in San Siro, Italy is May, followed by June and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit San Siro in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall San Siro Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.2°F (22.9°C) and 50.8°F (10.4°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 10 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see moderate precipitation with 7 to 8 days of precipitation per month. June – August is the second busiest season for tourism in San Siro, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 76.3°F (24.6°C) and 47.7°F (8.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: approximately 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is too cold this time of year in San Siro to be enjoyable for warm weather travelers. The average high during this season is between 50.8°F (10.4°C) and 39.7°F (4.3°C). On average, it rains or snows a fair amount: 4 to 7 times per month. These times of year are fairly slow with tourists.