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
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Grottaferrata.
Relative humidity over the year
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:
The hottest season / summer takes place in June, July, August and September.
August has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 13°C.
November tops the wettest month list with 149 mm of rainfall.
July is the driest month with 28 mm of precipitation.
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.