Sondrio Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sondrio.
Climate overview of Sondrio
The climate in Sondrio, Lombardy, Italy, is marked by large temperature swings across the seasons, ranging from 20°C (68°F) in July to -1°C (30°F) in January.
The city has a wet climate, receiving around 1564 mm (62 in) of rain/snowfall per year. Despite the high annual total, it has pleasant summers and very cold winters. June is the wettest month. Sunshine peaks in July, when the city sees around 6.7 hours of sunshine per day.
Sondrio Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sondrio - and find the best time to visit.
Monthly Temperature in Sondrio
In Sondrio, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a pleasant 20°C (68°F) in July to a very cold -1°C (30°F) in January.
Nighttime temperatures range from 9°C (48°F) in July to -11°C (12°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sondrio
Sondrio experiences significant rain/snowfall throughout the year, averaging 1564 mm (62 in) of precipitation annually. The seasons in Sondrio bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 178 mm (7 in) of precipitation. This rainfall is distributed across 18 rainy days.
In contrast, the driest month, January, experiences much less snowfall, totaling 66 mm (2.6 in) over 15 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Sondrio 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 Sondrio
In Sondrio, summer days are longer and more sunny, with daily sunshine hours peaking at 6.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Sondrio by Month
The relative humidity is high throughout the year in Sondrio.
The city experiences its highest humidity in December, reaching 80%. In April, 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 Sondrio
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Pleasant summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Sondrio
What is the best time to visit Sondrio?
July typically offers the most optimal weather in Sondrio. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Sondrio has pleasant summers and very cold winters.
What temperatures can I expect in Sondrio?
Daytime highs range from -1°C (30°F) in January to 20°C (68°F) in July. Nighttime lows range from -11°C (12°F) to 9°C (48°F). Temperatures vary considerably through the year.
How much rain does Sondrio get?
Annual rainfall is around 1564 mm (62 in). June is the wettest month with 178 mm (7 in), while January is the driest with 66 mm (2.6 in).
How sunny is Sondrio?
Sondrio receives around 1,783 hours of sunshine per year. July is the sunniest month with 200 hours, while December is the cloudiest with just 102 hours.
Sondrio 3-Day Forecast
Sondrio on the map
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