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Grottaferrata Climate by Month

Grottaferrata experiences great temperature shifts. The city's weather can transition from very warm days to mild weather. It also has a notably wet climate with much precipitation. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

The climate in Grottaferrata is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures range from a very warm 31°C in August, the warmest time of the year, to a moderate 13°C during cooler months like January. At night, temperatures typically average around 4°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Grottaferrata has a notably wet climate with abundant precipitation, recording 1014 mm of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, November receives high rainfall, averaging 149 mm of precipitation, recorded across 15 rainy days. In contrast, the drier season, July brings less rainfall, with 28 mm over 5 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Grottaferrata. While July receives considerable daily sunshine with up to 11.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.7 hours of sunlight per day.

Monthly hours of sunshine

Data from: Rome, Italy (35 KM, 22 Miles).

Daily hours of sunshine

Data from: Rome, Italy (35 KM, 22 Miles).

The best time of year to visit Grottaferrata in Italy

During the months of May 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 Grottaferrata?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Grottaferrata?
    August has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Grottaferrata?
    The coldest month is January with an average maximum temperature of 13°C.
  • Which is the wettest month in Grottaferrata?
    November tops the wettest month list with 149 mm of rainfall.
  • Which is the driest month in Grottaferrata?
    July is the driest month with 28 mm of precipitation.
  • Which is the sunniest month in Grottaferrata?
    July is the sunniest month with an average of 332 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.

    Forecast for Grottaferrata

    Tue   Dec 03
    13°C | 2°C
    SE 11 km/h
    0.8 mm
    broken clouds and  chance of rain

    broken clouds and chance of rain

    Wed   Dec 04
    13°C | 6°C
    E 11 km/h
    11 mm
    broken clouds and  chance of rain

    broken clouds and chance of rain

    Thu   Dec 05
    14°C | 2°C
    N 18 km/h
    clear and no rain

    clear and no rain