Grosio Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grosio.
Climate overview of Grosio
The climate in Grosio, Lombardy, Italy, is marked by large temperature swings across the seasons, ranging from 18°C (64°F) in July to -4°C (25°F) in January.
Rain/snowfall is high, totalling around 1224 mm (48 in) per year. November is the wettest month and January the driest. July is the sunniest month, averaging 6.7 hours of sunshine per day.
Grosio Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grosio — and find the best time to visit.
Monthly Temperature in Grosio
In Grosio, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a moderate 18°C (64°F) in July, the warmest time of the year, to a very cold -4°C (25°F) during cooler months like January.
At night, you can expect temperatures ranging from 7°C (45°F) in July to around -15°C (5°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grosio
Grosio experiences significant rain/snowfall throughout the year, averaging 1224 mm (48 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives high snowfall, averaging 135 mm (5.3 in) of precipitation, recorded across 14 snowy days. In contrast, the driest month January brings less snowfall, with 58 mm (2.3 in) over 14 snowy days. For more details, please visit our Grosio 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 Grosio
Seasonal changes in sunshine hours are quite dramatic in Grosio. While July receives considerable daily sunshine with up to 6.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.4 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 Grosio by Month
The relative humidity is high throughout the year in Grosio.
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
Best Time to Visit Grosio
Frequently asked questions about the climate in Grosio
What is the best time to visit Grosio?
July typically offers the most optimal weather in Grosio. In contrast, January, February, March, April, May, September, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Grosio?
Daytime highs range from -4°C (25°F) in January to 18°C (64°F) in July. Nighttime lows range from -15°C (5°F) to 7°C (45°F). Temperatures vary considerably through the year.
How much rain does Grosio get?
Annual rainfall is around 1224 mm (48 in). November is the wettest month with 135 mm (5.3 in), while January is the driest with 58 mm (2.3 in). In the coldest months, precipitation may fall as snow.
How sunny is Grosio?
Grosio 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.
Grosio 3-Day Forecast
Grosio 3-Day Forecast
Grosio on the map
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