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Formia Weather and Climate: A Comprehensive Guide

The temperature in Formia can vary greatly throughout the year. The temperatures shift from warm to mild. It is also known for its large amounts of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

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 in August to a moderate 13°C in the coolest month, February.

Nights are cooler, with lows often dropping to around 7°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Formia has a relatively rainy climate with high precipitation levels, averaging 1159 mm of rainfall annually. The climate in Formia shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 207 mm of precipitation over 15 rainy days.

In contrast, July offers drier and sunnier days, with around 18 mm 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

Sunshine over the year

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

Data from: Ischia, Italy (64 KM, 40 Miles).

Daily hours of sunshine

Data from: Ischia, Italy (64 KM, 40 Miles).

Forecast for Formia

Wed   Jan 08
15°C | 9°C
W 3 m/s
almost clear and no rain

almost clear and no rain

Thu   Jan 09
15°C | 8°C
SW 5 m/s
1.8 mm
broken clouds and rain

broken clouds and rain

Fri   Jan 10
15°C | 8°C
NE 2 m/s
1.5 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Select a Month of Interest

Check the weather conditions for any month in Formia.

The best time of year to visit Formia in Italy

During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Formia?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Formia?
    Most rainfall (rainy season) is seen in November and December.
  • Which is the warmest month in Formia?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Formia?
    The coldest month is February with an average maximum temperature of 13°C.
  • Which is the wettest month in Formia?
    November tops the wettest month list with 207 mm of rainfall.
  • Which is the driest month in Formia?
    July is the driest month with 18 mm of precipitation.
  • Which is the sunniest month in Formia?
    July is the sunniest month with an average of 313 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.