Narni Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Narni.
Climate overview of Narni
The climate in Narni, Umbria, Italy, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in August to 11°C (52°F) in January.
Rain/snowfall is high, totalling around 1030 mm (41 in) per year. November is the wettest month and July the driest. The city also experiences a distinct dry season from July to August, with very warm summers and cold winters. Sunshine peaks in July, when the city sees around 9.5 hours of sunshine per day.
Narni Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Narni - and find the best time to visit.
Monthly Temperature in Narni
In Narni, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a very warm 32°C (90°F) in August, the warmest time of the year, to a chilly 11°C (52°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in August to around 2°C (36°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Narni
Narni experiences significant rain/snowfall throughout the year, averaging 1030 mm (41 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives high rainfall, averaging 141 mm (5.6 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month July brings less rainfall, with 31 mm (1.2 in) over 6 rainy days. For more details, please visit our Narni 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 Narni
Seasonal changes in sunshine hours are quite dramatic in Narni. While July receives considerable daily sunshine with up to 9.5 hours, November marks the darkest time of the year, where sunshine is scarce with only 3.1 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Narni by Month
The relative humidity is high throughout the year in Narni.
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 Narni
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 Narni
What is the best time to visit Narni?
May, June and September typically offer the most optimal weather in Narni. In contrast, December tends to have less optimal conditions. Narni has a distinct dry season from July to August, with very warm summers and cold winters.
What temperatures can I expect in Narni?
Daytime highs range from 11°C (52°F) in January to 32°C (90°F) in August. Nighttime lows range from 2°C (36°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Narni get?
Annual rainfall is around 1030 mm (41 in). November is the wettest month with 141 mm (5.6 in), while July is the driest with 31 mm (1.2 in).
How sunny is Narni?
Narni 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, Narni enjoys abundant sunshine.
Narni 3-Day Forecast
Narni on the map
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