Fonni Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Fonni.
Climate overview of Fonni
Fonni, Sardinia, Italy, sees big temperature differences between seasons, with August peaking at 31°C (88°F) and January dropping to 12°C (54°F).
Fonni sees a moderate amount of rain/snowfall, totalling around 683 mm (27 in) per year. It experiences a distinct dry season from June to August, with very warm summers and cold winters, creating some seasonal variation.
Fonni Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Fonni - and find the best time to visit.
Monthly Temperature in Fonni
Visitors to Fonni can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in August, the warmest time of the year, to a chilly 12°C (54°F) during cooler months like January.
At night, you can expect temperatures ranging from 17°C (63°F) in August to around 2°C (36°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Fonni
Generally, Fonni experiences moderate precipitation patterns, averaging 683 mm (27 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives moderate rainfall, averaging 89 mm (3.5 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month July brings less rainfall, with 12 mm (0.5 in) over 4 rainy days. For more details, please visit our Fonni Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Best Time to Visit Fonni
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, September and October
- Warmest weather: July and August
- Fewest rainy days: July and August
- Seasonal pattern: A distinct dry season from June to August, with very warm summers and cold winters
Frequently asked questions about the climate in Fonni
What is the best time to visit Fonni?
May, June, September and October typically offer the most optimal weather in Fonni. In contrast, January, February and December tend to have less optimal conditions. Fonni has a distinct dry season from June to August, with very warm summers and cold winters.
What temperatures can I expect in Fonni?
Daytime highs range from 12°C (54°F) in January to 31°C (88°F) in August. Nighttime lows range from 2°C (36°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Fonni get?
Annual rainfall is around 683 mm (27 in). November is the wettest month with 89 mm (3.5 in), while July is the driest with 12 mm (0.5 in).
Fonni 3-Day Forecast
Fonni on the map
Fonni is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most beautiful historical towns in Italy
Discover Italy's top 10 historic towns, featuring breathtaking medieval architecture and deep-rooted history, ideal for enthusiasts of extraordinary cities.
Experience mystical Assisi
Assisi is the most famous town in Umbria and best known because of Saints Francis and Clare of Assisi. Many visitors come to see the breathtaking San Francesco basilica.
The Battle of Oranges
This is one of the most unusual festivals in Italy. The festival is held in the middle of winter during the winter carnival. The entire city of Ivrea near Turin turns into a battlefield.
The most beautiful fishing village of Italy
Portofino is the most beautiful fishing village in Italy and maybe even in the world. We absolutely recommend that you add this beautiful place to your bucket list.