Castel Gandolfo Climate by Month
The temperature in Castel Gandolfo can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and mild during the cooler months.
It also experiences much rainfall throughout the year.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
Visitors to Castel Gandolfo can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 31°C in August. In January, the coolest month of the year, temperatures drop to a moderate 13°C. At night, expect cooler temperatures, averaging 5°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Castel Gandolfo is known for its substantial rainfall, with annual precipitation reaching 1015 mm. Castel Gandolfo can be quite wet during November, receiving approximately 153 mm of precipitation over 15 rainy days. In contrast July, experiences much drier conditions, with 27 mm of rainfall, spread across 5 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Castel Gandolfo can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, 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 Castel Gandolfo.
Relative humidity over the year
The best time of year to visit Castel Gandolfo 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 153 mm of rainfall.
July is the driest month with 27 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.
