Petrognano Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Petrognano.
Climate overview of Petrognano
Petrognano, Italy, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in August, while winters cool to 8°C (46°F) in January.
With around 1022 mm (40 in) of annual rain/snowfall, Petrognano 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 most sunshine falls in July, with an average of 11.5 hours of daily sunshine.
Petrognano Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Petrognano - and find the best time to visit.
Monthly Temperature in Petrognano
Depending on the time of the year, temperatures range from comfortable to chilly in Petrognano. Average daytime temperatures reach a comfortable 28°C (82°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 8°C (46°F).
At night, temperatures range from around 17°C (63°F) in August to 1°C (34°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Petrognano
Petrognano has a relatively rain/snowy climate with high precipitation levels, averaging 1022 mm (40 in) of rain/snowfall annually. Petrognano can be quite wet during November, receiving approximately 127 mm (5 in) of precipitation over 14 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 44 mm (1.7 in) of precipitation spread across 8 rainy days. For more details, please visit our Petrognano 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 Petrognano
Petrognano can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.5 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.2 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
Humidity in Petrognano by Month
The relative humidity is high throughout the year in Petrognano.
The city experiences its highest humidity in December, reaching 78%. In July, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Petrognano
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
- Fewest rainy days: July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Petrognano
What is the best time to visit Petrognano?
May, June, July, August and September typically offer the most optimal weather in Petrognano. In contrast, January, February, November and December tend to have less optimal conditions. Petrognano has warm summers and cold winters.
What temperatures can I expect in Petrognano?
Daytime highs range from 8°C (46°F) in January to 28°C (82°F) in August. Nighttime lows range from 1°C (34°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Petrognano get?
Annual rainfall is around 1022 mm (40 in). November is the wettest month with 127 mm (5 in), while July is the driest with 44 mm (1.7 in).
How sunny is Petrognano?
Petrognano receives around 2,488 hours of sunshine per year. July is the sunniest month with 346 hours, while December is the cloudiest with just 96 hours. Overall, Petrognano enjoys abundant sunshine.
Petrognano 3-Day Forecast
Petrognano on the map
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