Rosta Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rosta.
Climate overview of Rosta
The climate in Rosta, Piedmont, Italy, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in July to 7°C (45°F) in January.
The city has a wet climate, receiving around 1456 mm (57 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. May is the wettest month. Sunshine peaks in July, when the city sees around 8.7 hours of sunshine per day.
Rosta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rosta - and find the best time to visit.
Monthly Temperature in Rosta
In Rosta, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a chilly 7°C (45°F) in January.
Nighttime temperatures range from 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 Rosta
Rosta experiences significant rain/snowfall throughout the year, averaging 1456 mm (57 in) of precipitation annually. The seasons in Rosta bring significant changes in precipitation. The wettest month, May, receives heavy rainfall, with an average of 163 mm (6.4 in) of precipitation. This rainfall is distributed across 16 rainy days.
In contrast, the driest month, January, experiences much less snow/rainfall, totaling 67 mm (2.6 in) over 9 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Rosta 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 Rosta
In Rosta, summer days are longer and more sunny, with daily sunshine hours peaking at 8.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 3.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Rosta by Month
The relative humidity is high throughout the year in Rosta.
The city experiences its highest humidity in November, reaching 80%. In March, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Rosta
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
- Coldest conditions: January, with freezing nights around -2°C (28°F).
Frequently asked questions about the climate in Rosta
What is the best time to visit Rosta?
May, June, July, August and September typically offer the most optimal weather in Rosta. In contrast, January, February, November and December tend to have less optimal conditions. Rosta has warm summers and cold winters.
What temperatures can I expect in Rosta?
Daytime highs range from 7°C (45°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 Rosta get?
Annual rainfall is around 1456 mm (57 in). May is the wettest month with 163 mm (6.4 in), while January is the driest with 67 mm (2.6 in).
How sunny is Rosta?
Rosta receives around 2,005 hours of sunshine per year. July is the sunniest month with 260 hours, while November is the cloudiest with just 106 hours. Overall, Rosta enjoys abundant sunshine.
Rosta 3-Day Forecast
Rosta on the map
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