The climate of San Marino, city by city
This page lists the 4 cities in San Marino for which climate normals are available. Each entry covers temperature, rainfall and how the climate changed between 1940 and 2025, computed from ERA5 reanalysis data.
+1.8 °C since 1940
Frequently asked questions
What is the hottest city in San Marino?
The hottest city in San Marino is Borgo Maggiore, with an average annual temperature of 14.3 °C.
What is the coldest city in San Marino?
The coldest city in San Marino is Borgo Maggiore, with an average annual temperature of 14.3 °C.
What is the wettest city in San Marino?
The wettest city in San Marino is Borgo Maggiore, with 830 mm of precipitation per year.
Has the climate of San Marino warmed?
Based on its largest cities, San Marino warmed by +1.8 °C between 1940 and 2025.