Climate in Terni (Umbria)

Terni's climate can be defined Mediterranean, since it has mild, fairly rainy winters and hot, sunny summers, even though the summer is particularly hot, but it is not as dry as in the true Mediterranean climate.
The city is located near the geometric center of Italy, in a basin surrounded by hills, at an altitude of 130 metres (425 feet), in Umbria.
Nearby we find Piediluco lake, at an altitude of 370 metres (1,215 ft), the town of Marmore, and the Marmore waterfalls, created by the ancient Romans, which have an overall difference in height of 165 meters (540 ft) and are formed by the waters of the Velino river, which pours into the Nera River.
The winter, from December to February, is quite mild.
There are mild periods, in which Atlantic currents prevail, during which there can also be rainy days.
During periods of high pressure, especially in December, fog can form, and it can sometimes persist even during the day.
On the other hand, the cold north wind, the Tramontana, can can bring about cold periods. However, snow in Terni is rare, given that we are on the Tyrrhenian side.
Snow in Terni is rare, given that we are on the Tyrrhenian side. Snowfalls with accumulation are generally recorded only in the coldest winters. In December 1996, 35 centimeters (13.7 inches) of snow fell.
On the coldest nights of the year, the temperature can drop to -3/-4 °C (25/27 °F), while during the most intense cold spells it can drop lower. In February 1956, it dropped to -15 °C (5 °F).



The summer, from June to August, is hot and sunny, with rare rainy days and a few thunderstorms coming from the Apennines.
As mentioned, Terni is a particularly hot city, given that it is located in a valley, at a low altitude and far from the sea. In August 2003, the heat record was set with 42.5 °C (108.5 °F). In July 2022, the average high was 36.7 °C (98.1 °F).

Best Time

The best times to visit Terni are spring and autumn, ie from mid-April to mid-June and from September to early October. In June, the weather is often nice, but it can sometimes get hot, especially in the second half of the month.

Terni - Climate data

In Terni, the average temperature of the coldest month (January) is of 7.4 °C, that of the warmest month (July) is of 26.8 °C. Here are the average temperatures.