Castronno Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Castronno.
Climate overview of Castronno
The climate in Castronno, Lombardy, Italy, is marked by large temperature swings across the seasons, ranging from 29°C (84°F) in July to 8°C (46°F) in January.
The city receives considerable rain/snowfall, with around 1524 mm (60 in) annually. November is the wettest month. It has warm summers and cold winters. The sunniest month is July, with 9.5 hours of sunshine per day on average.
Castronno Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Castronno - and find the best time to visit.
Monthly Temperature in Castronno
In Castronno, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in July to a chilly 8°C (46°F) in the coolest month, January.
Nights vary from 19°C (66°F) in July to around 1°C (34°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Castronno
Castronno experiences significant rain/snowfall throughout the year, averaging 1524 mm (60 in) of precipitation annually. The climate in Castronno shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 185 mm (7.3 in) of precipitation over 13 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 69 mm (2.7 in) of rainfall over 11 rainy days. For more details, please visit our Castronno 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 Castronno
For those who appreciate different seasons, Castronno serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.5 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Castronno by Month
The relative humidity is high throughout the year in Castronno.
The city experiences its highest humidity in January, reaching 86%. In March, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Castronno
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Castronno
What is the best time to visit Castronno?
May, June, July, August and September typically offer the most optimal weather in Castronno. In contrast, January, February, November and December tend to have less optimal conditions. Castronno has warm summers and cold winters.
What temperatures can I expect in Castronno?
Daytime highs range from 8°C (46°F) in January to 29°C (84°F) in July. Nighttime lows range from 1°C (34°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Castronno get?
Annual rainfall is around 1524 mm (60 in). November is the wettest month with 185 mm (7.3 in), while January is the driest with 69 mm (2.7 in).
How sunny is Castronno?
Castronno receives around 1,974 hours of sunshine per year. July is the sunniest month with 285 hours, while December is the cloudiest with just 68 hours.
Castronno 3-Day Forecast
Castronno on the map
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