Terni Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Terni.
Climate overview of Terni
Terni, Umbria, Italy, sees big temperature differences between seasons, with August peaking at 31°C (88°F) and January dropping to 10°C (50°F).
The city has a wet climate, receiving around 1002 mm (39 in) of rain/snowfall per year. Despite the high annual total, it has a distinct dry season from July to August, with very warm summers and cold winters. November is the wettest month. The most sunshine falls in July, with an average of 9.5 hours of daily sunshine.
Terni Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Terni - and find the best time to visit.
Monthly Temperature in Terni
Visitors to Terni can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a chilly 10°C (50°F) in January.
Nighttime temperatures range from 18°C (64°F) in August to 1°C (34°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Terni
Terni is known for its substantial rain/snowfall, with annual precipitation reaching 1002 mm (39 in). The seasons in Terni bring significant changes in precipitation. The wettest month, November, receives high rainfall, with an average of 132 mm (5.2 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 32 mm (1.3 in) over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Terni Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Terni
In Terni, summer days are longer and more sunny, with daily sunshine hours peaking at 9.5 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 3.1 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Terni by Month
The relative humidity is high throughout the year in Terni.
The city experiences its highest humidity in December, reaching 85%. In July, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Terni
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July and August
- Seasonal pattern: A distinct dry season from July to August, with very warm summers and cold winters
Frequently asked questions about the climate in Terni
What is the best time to visit Terni?
May, June and September typically offer the most optimal weather in Terni. In contrast, January and December tend to have less optimal conditions. Terni has a distinct dry season from July to August, with very warm summers and cold winters.
What temperatures can I expect in Terni?
Daytime highs range from 10°C (50°F) in January to 31°C (88°F) in August. Nighttime lows range from 1°C (34°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Terni get?
Annual rainfall is around 1002 mm (39 in). November is the wettest month with 132 mm (5.2 in), while July is the driest with 32 mm (1.3 in).
How sunny is Terni?
Terni receives around 2,007 hours of sunshine per year. July is the sunniest month with 286 hours, while November is the cloudiest with just 92 hours. Overall, Terni enjoys abundant sunshine.
Terni 3-Day Forecast
Terni on the map
Terni is highlighted - select any city to see its climate.
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