The best times to visit San Marco for ideal weather are

April 23rd to June 24th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other San Marco Travel Info

Weather in San Marco


Average temperatures in San Marco vary drastically. 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 34th 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 Marco, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 85.2°F (29.6°C) with temperatures rarely dropping below 69.7°F (20.9°C) at night.

San Marco Temperatures (Fahrenheit)


San Marco Temperatures (Celsius)


“Feels-Like” Temperatures

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 Marco Perceived Temperature (F)


San Marco Perceived Temperature (C)



Average San Marco 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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 43.1 38 29.8
Feb 47.1 40.6 30.5
Mar 53.9 46.8 30.2
Apr 61.7 54 37.9
May 71.8 64.2 51.7
Jun 78.2 71.5 63.3
Jul 83.7 75.9 68.2
Aug 81 73.6 66.5
Sep 72 63.7 48.7
Oct 65.4 57.1 36.9
Nov 50.2 44.9 31.1
Dec 41.1 35.4 28.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 6.2 3.3 -1.2
Feb 8.4 4.8 -0.8
Mar 12.2 8.2 -1
Apr 16.5 12.2 3.3
May 22.1 17.9 10.9
Jun 25.7 21.9 17.4
Jul 28.7 24.4 20.1
Aug 27.2 23.1 19.2
Sep 22.2 17.6 9.3
Oct 18.6 13.9 2.7
Nov 10.1 7.2 -0.5
Dec 5.1 1.9 -1.8



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in San Marco are October, September, and then May. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid May. For example, on the week of May 7th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late October to early November with an average of 3 days of significant precipitation the week of October 29th.

When can you find snow in San Marco? Weather stations report no annual snow. 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 Marco.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in San Marco (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 15% 0 1.9
Feb 21% 0 2.3
Mar 21% 0 2.3
Apr 19% 0 2.2
May 11% 0 3.6
Jun 20% 0 3.1
Jul 14% 0 2.6
Aug 20% 0 3.4
Sep 10% 0 3.8
Oct 3% 0 0.6
Nov 31% 0 4.1
Dec 16% 0 2.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 15 0 4.8
Feb 21 0 5.8
Mar 21 0 5.8
Apr 19 0 5.6
May 11 0 9.1
Jun 20 0 7.9
Jul 14 0 6.6
Aug 20 0 8.6
Sep 10 0 9.7
Oct 3 0 1.5
Nov 31 0 10.4
Dec 16 0 7.1


Humidity and Wind

San Marco has some very humid months, and above average humidity throughout the year. The least humid month is July (63.8% relative humidity), and the most humid month is February (80.6%).

Wind in San Marco is usually extremely calm. The windiest month is December, followed by September and November. December’s average wind speed of around 4.8 knots (5.6 MPH or 8.9 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid November where average top sustained speeds reach 13.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in San Marco.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

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 1.9 Barely noticeable 6.5 Light breeze
Feb 2.1 Barely noticeable 8.4 Gentle breeze
Mar 2.5 Barely noticeable 9.4 Light breeze
Apr 4 Light breeze 9.3 Gentle breeze
May 4.2 Light breeze 8.5 Light breeze
Jun 3.8 Barely noticeable 8.1 Gentle breeze
Jul 4.4 Light breeze 8.7 Light breeze
Aug 4 Light breeze 8.2 Gentle breeze
Sep 4.6 Light breeze 9 Light breeze
Oct 2.9 Barely noticeable 6.9 Light breeze
Nov 4.5 Light breeze 9.6 Light breeze
Dec 4.8 Light breeze 9.5 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 80.4%
Feb 80.6%
Mar 72.5%
Apr 70%
May 68.3%
Jun 71%
Jul 63.8%
Aug 66.9%
Sep 66.6%
Oct 76%
Nov 78.6%
Dec 76.8%


Is it Safe to Travel to San Marco?

Our best data indicates this area is generally safe. As of Dec 04, 2023 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 Nov 22, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in San Marco, Italy is May, followed by July and April. 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 Marco in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 56.2 in November means 56.2% of the tourists vs. May.



Overall San Marco Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 76.5°F (24.7°C) and 51.5°F (10.8°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 6 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 the most precipitation with 4 to 6 days of precipitation per month. June – August is the second busiest season for tourism in San Marco, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 80.7°F (27.1°C) and 45°F (7.2°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 1 to 9 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 Marco to be enjoyable for warm weather travelers. The average high during this season is between 52.6°F (11.4°C) and 38.3°F (3.5°C). On average, it rains or snows a fair amount: 5 to 6 times per month. These times of year are fairly slow with tourists.


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