Formia Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Formia.
Climate overview of Formia
Formia, Lazio, Italy, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in August, while winters cool to 13°C (55°F) in January.
The city receives considerable rainfall, with around 1159 mm (46 in) annually. November is the wettest month. It has a distinct dry season from June to August, with warm summers and mild winters. The sunniest month is July, with 10.4 hours of sunshine per day on average.
Formia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Formia - and find the best time to visit.
Monthly Temperature in Formia
Depending on the time of the year, temperatures range from comfortable to moderate in Formia. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in August to a moderate 13°C (55°F) in the coolest month, January.
Nights vary from 22°C (72°F) in August to around 7°C (45°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Formia
Formia has a relatively rainy climate with high precipitation levels, averaging 1159 mm (46 in) of rainfall annually. The climate in Formia shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 207 mm (8.1 in) of precipitation over 15 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 18 mm (0.7 in) of rainfall over 5 rainy days. For more details, please visit our Formia 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 Formia
For those who appreciate different seasons, Formia serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.4 hours of sunshine daily, and embrace the darker days in December, offering only 3.5 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Formia
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 and August
- Warmest weather: July and August
- Most sunshine: July and August
- Fewest rainy days: July and August
- Seasonal pattern: A distinct dry season from June to August, with warm summers and mild winters
Frequently asked questions about the climate in Formia
What is the best time to visit Formia?
May, June, July and August typically offer the most optimal weather in Formia. In contrast, January, February and November tend to have less optimal conditions. Formia has a distinct dry season from June to August, with warm summers and mild winters.
What temperatures can I expect in Formia?
Daytime highs range from 13°C (55°F) in January to 28°C (82°F) in August. Nighttime lows range from 7°C (45°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Formia get?
Annual rainfall is around 1159 mm (46 in). November is the wettest month with 207 mm (8.1 in), while July is the driest with 18 mm (0.7 in).
How sunny is Formia?
Formia receives around 2,397 hours of sunshine per year. July is the sunniest month with 313 hours, while December is the cloudiest with just 105 hours. Overall, Formia enjoys abundant sunshine.
Formia 3-Day Forecast
Formia on the map
Formia is highlighted - select any city to see its climate.
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