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Chiavenna Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Chiavenna.
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Climate overview of Chiavenna
Temperatures in Chiavenna, Lombardy, Italy, vary greatly throughout the year. July is the hottest month at 20°C (68°F), while January is the coldest at -1°C (30°F).
The city has a wet climate, receiving around 1391 mm (55 in) of rain/snowfall per year. Despite the high annual total, it has pleasant summers and very cold winters. June is the wettest month. The most sunshine falls in July, with an average of 6.7 hours of daily sunshine.
Chiavenna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chiavenna - and find the best time to visit.
Monthly Temperature in Chiavenna
The climate in Chiavenna is known for significant temperature differences throughout the year, making the weather dynamic. 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 -9°C (16°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Chiavenna
Chiavenna has a notably wet climate with abundant precipitation, recording 1391 mm (55 in) of rain/snowfall per year. The seasons in Chiavenna bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 147 mm (5.8 in) of precipitation. This rainfall is distributed across 18 rainy days.
In contrast, the driest month, February, experiences much less snowfall, totaling 66 mm (2.6 in) over 13 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Chiavenna 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 Chiavenna
In Chiavenna, 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
Data from: Saint Moritz, Switzerland (40 KM, 24 Miles).
Daily hours of sunshine
Data from: Saint Moritz, Switzerland (40 KM, 24 Miles).
Daily percentage of sunshine
Data from: Saint Moritz, Switzerland (40 KM, 24 Miles).
Humidity in Chiavenna by Month
The relative humidity is high throughout the year in Chiavenna.
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
Data from: Saint Moritz, Switzerland (40 KM, 24 Miles).
Best Time to Visit Chiavenna
For comfortable weather, consider visiting Chiavenna in July and August. Conditions are usually least favourable in January, February, March, April, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
cold
Apr
wet
May
mixed
Jun
good
Jul
very good
Aug
very good
Sep
mixed
Oct
wet
Nov
wet
Dec
cold
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Pleasant summers and very cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Chiavenna
What is the best time to visit Chiavenna?
July and August typically offer the most optimal weather in Chiavenna. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Chiavenna has pleasant summers and very cold winters.
What temperatures can I expect in Chiavenna?
Daytime highs range from -1°C (30°F) in January to 20°C (68°F) in July. Nighttime lows range from -9°C (16°F) to 9°C (48°F). Temperatures vary considerably through the year.
How much rain does Chiavenna get?
Annual rainfall is around 1391 mm (55 in). June is the wettest month with 147 mm (5.8 in), while February is the driest with 66 mm (2.6 in).
How sunny is Chiavenna?
Chiavenna 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.
Chiavenna 3-Day Forecast
Chiavenna on the map
Chiavenna is highlighted - select any city to see its climate.
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