Onno Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Onno.
Climate overview of Onno
Onno, Lombardy, Italy, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in July, while winters cool to 6°C (43°F) in January.
With around 1708 mm (67 in) of annual rain/snowfall, Onno has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has a distinct rainy season from August to November. The wettest month is June. Sunshine peaks in July, when the city sees around 9.5 hours of sunshine per day.
Onno Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Onno — and find the best time to visit.
Monthly Temperature in Onno
Depending on the time of the year, temperatures range from comfortable to chilly in Onno. Average daytime temperatures reach a comfortable 26°C (79°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 Onno
Onno has a relatively rain/snowy climate with high precipitation levels, averaging 1708 mm (67 in) of rain/snowfall annually. Onno can be quite wet during June, receiving approximately 188 mm (7.4 in) of precipitation over 15 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 68 mm (2.7 in) of precipitation spread across 11 snowy/rainy days days. For more details, please visit our Onno 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 Onno
Onno can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.5 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 1.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Onno by Month
The relative humidity is high throughout the year in Onno.
The city experiences its highest humidity in December, reaching 86%. In March, 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 Onno
Rainfall during this time is 155 mm (6.1 in), providing good conditions for being out and about.
The rainy season falls during May, June, August, September, October and November, bringing heavy precipitation. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Onno
What is the best time to visit Onno?
May and July typically offer the most optimal weather in Onno. In contrast, January, February, October, November and December tend to have less optimal conditions. Onno has a distinct rainy season from August to November.
What temperatures can I expect in Onno?
Daytime highs range from 6°C (43°F) in January to 26°C (79°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 Onno get?
Annual rainfall is around 1708 mm (67 in). June is the wettest month with 188 mm (7.4 in), while January is the driest with 68 mm (2.7 in).
How sunny is Onno?
Onno receives around 1,921 hours of sunshine per year. July is the sunniest month with 284 hours, while January is the cloudiest with just 57 hours.
Onno 3-Day Forecast
Onno 3-Day Forecast
Onno on the map
Onno is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
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