Grosseto Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grosseto.
Climate overview of Grosseto
Grosseto, Tuscany, Italy, sees big temperature differences between seasons, with August peaking at 30°C (86°F) and January dropping to 12°C (54°F).
Grosseto sees a moderate amount of rainfall, totalling around 807 mm (32 in) per year. It experiences a distinct dry season from June to August, with very warm summers and mild winters, creating some seasonal variation. The most sunshine falls in July, with an average of 11.7 hours of daily sunshine.
Grosseto Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grosseto - and find the best time to visit.
Monthly Temperature in Grosseto
Visitors to Grosseto can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 30°C (86°F) in August, the warmest time of the year, to a moderate 12°C (54°F) during cooler months like January.
At night, you can expect temperatures ranging from 21°C (70°F) in August to around 6°C (43°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grosseto
Generally, Grosseto experiences moderate precipitation patterns, averaging 807 mm (32 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives high rainfall, averaging 129 mm (5.1 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month July brings less rainfall, with 19 mm (0.7 in) over 5 rainy days. For more details, please visit our Grosseto 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 Grosseto
Seasonal changes in sunshine hours are quite dramatic in Grosseto. While July receives considerable daily sunshine with up to 11.7 hours, November marks the darkest time of the year, where sunshine is scarce with only 3.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Grosseto
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 and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July
- Wettest months: September, October, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from June to August, with very warm summers and mild winters
Frequently asked questions about the climate in Grosseto
What is the best time to visit Grosseto?
May, June and September typically offer the most optimal weather in Grosseto. In contrast, January, February, November and December tend to have less optimal conditions. Grosseto has a distinct dry season from June to August, with very warm summers and mild winters.
What temperatures can I expect in Grosseto?
Daytime highs range from 12°C (54°F) in January to 30°C (86°F) in August. Nighttime lows range from 6°C (43°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Grosseto get?
Annual rainfall is around 807 mm (32 in). November is the wettest month with 129 mm (5.1 in), while July is the driest with 19 mm (0.7 in).
How sunny is Grosseto?
Grosseto receives around 2,476 hours of sunshine per year. July is the sunniest month with 350 hours, while November is the cloudiest with just 100 hours. Overall, Grosseto enjoys abundant sunshine.
Grosseto 3-Day Forecast
Grosseto on the map
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