San Giacomo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Giacomo.
Climate overview of San Giacomo
The climate in San Giacomo, Piedmont, Italy, is marked by large temperature swings across the seasons, ranging from 25°C (77°F) in July to 6°C (43°F) in January.
With around 1356 mm (53 in) of annual rain/snowfall, San Giacomo has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and cold winters. The wettest month is November. The sunniest month is July, with 11.4 hours of sunshine per day on average.
San Giacomo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Giacomo - and find the best time to visit.
Monthly Temperature in San Giacomo
In San Giacomo, temperatures differ significantly between summer and winter months. 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
Rainfall in San Giacomo
San Giacomo experiences significant rain/snowfall throughout the year, averaging 1356 mm (53 in) of precipitation annually. San Giacomo experiences moderate seasonal variation in rainfall, with monthly averages ranging from 165 mm (6.5 in) in November, the wettest month, and 83 mm (3.3 in) in July, the driest month. For more details, please visit our San Giacomo 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 Giacomo
San Giacomo can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.8 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
Best Time to Visit San Giacomo
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -2°C (28°F).
Frequently asked questions about the climate in San Giacomo
What is the best time to visit San Giacomo?
July and August typically offer the most optimal weather in San Giacomo. In contrast, January, February, November and December tend to have less optimal conditions. San Giacomo has warm summers and cold winters.
What temperatures can I expect in San Giacomo?
Daytime highs range from 6°C (43°F) in January to 25°C (77°F) in July. Nighttime lows range from -2°C (28°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does San Giacomo get?
Annual rainfall is around 1356 mm (53 in). November is the wettest month with 165 mm (6.5 in), while July is the driest with 83 mm (3.3 in).
How sunny is San Giacomo?
San Giacomo receives around 2,703 hours of sunshine per year. July is the sunniest month with 342 hours, while December is the cloudiest with just 144 hours. Overall, San Giacomo enjoys abundant sunshine.
San Giacomo 3-Day Forecast
San Giacomo on the map
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