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San Marco Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Marco.
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Climate overview of San Marco
The climate in San Marco, Italy, is marked by large temperature swings across the seasons, ranging from 29°C (84°F) in August to 9°C (48°F) in January.
The city has a wet climate, receiving around 1330 mm (52 in) of rainfall per year. Despite the high annual total, it has warm summers and cold winters. September is the wettest month. Sunshine peaks in July, when the city sees around 8.1 hours of sunshine per day.
San Marco Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Marco - and find the best time to visit.
Monthly Temperature in San Marco
In San Marco, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 29°C (84°F) in August to a chilly 9°C (48°F) in January.
Nighttime temperatures range from 22°C (72°F) in August to 4°C (39°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Marco
San Marco experiences significant rainfall throughout the year, averaging 1330 mm (52 in) of precipitation annually. The seasons in San Marco bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 170 mm (6.7 in) of precipitation. This rainfall is distributed across 10 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 74 mm (2.9 in) over 12 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Marco 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 Marco
In San Marco, summer days are longer and more sunny, with daily sunshine hours peaking at 8.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Udine, Italy (31 KM, 19 Miles).
Daily hours of sunshine
Data from: Udine, Italy (31 KM, 19 Miles).
Daily percentage of sunshine
Data from: Udine, Italy (31 KM, 19 Miles).
Humidity in San Marco by Month
The relative humidity is high throughout the year in San Marco.
The city experiences its highest humidity in December, reaching 75%. In March, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Udine, Italy (31 KM, 19 Miles).
Best Time to Visit San Marco
The most comfortable overall weather for exploring San Marco is usually found in June and July. Conditions are generally least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
good
Apr
good
May
very good
Jun
excellent
Jul
excellent
Aug
very good
Sep
very good
Oct
good
Nov
mixed
Dec
wet
- Best overall: June and July
- Warmest weather: July and August
- Most sunshine: July and August
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in San Marco
What is the best time to visit San Marco?
June and July typically offer the most optimal weather in San Marco. In contrast, January, February and December tend to have less optimal conditions. San Marco has warm summers and cold winters.
What temperatures can I expect in San Marco?
Daytime highs range from 9°C (48°F) in January to 29°C (84°F) in August. Nighttime lows range from 4°C (39°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does San Marco get?
Annual rainfall is around 1330 mm (52 in). September is the wettest month with 170 mm (6.7 in), while July is the driest with 74 mm (2.9 in).
How sunny is San Marco?
San Marco receives around 1,866 hours of sunshine per year. July is the sunniest month with 242 hours, while December is the cloudiest with just 81 hours.
San Marco 3-Day Forecast
San Marco on the map
San Marco is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
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