Bomarzo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bomarzo.
Climate overview of Bomarzo
Bomarzo, Lazio, Italy, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in August, while winters cool to 11°C (52°F) in January.
With around 1056 mm (42 in) of annual rain/snowfall, Bomarzo has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has very warm summers and cold winters. The wettest month is November. Sunshine peaks in July, when the city sees around 9.5 hours of sunshine per day.
Bomarzo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bomarzo - and find the best time to visit.
Monthly Temperature in Bomarzo
Depending on the time of the year, temperatures range from very warm to chilly in Bomarzo. Average daytime temperatures reach a very warm 32°C (90°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 11°C (52°F).
At night, temperatures range from around 19°C (66°F) in August to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bomarzo
Bomarzo has a relatively rain/snowy climate with high precipitation levels, averaging 1056 mm (42 in) of rain/snowfall annually. Bomarzo can be quite wet during November, receiving approximately 146 mm (5.7 in) of precipitation over 15 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 37 mm (1.5 in) of precipitation spread across 6 rainy days. For more details, please visit our Bomarzo Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Bomarzo
Bomarzo can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.5 hours of sunshine daily. In contrast, the city experiences much darker days in November, 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
Humidity in Bomarzo by Month
The relative humidity is high throughout the year in Bomarzo.
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 Bomarzo
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and June
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July and August
- Seasonal pattern: Very warm summers and cold winters
Frequently asked questions about the climate in Bomarzo
What is the best time to visit Bomarzo?
May and June typically offer the most optimal weather in Bomarzo. In contrast, December tends to have less optimal conditions. Bomarzo has very warm summers and cold winters.
What temperatures can I expect in Bomarzo?
Daytime highs range from 11°C (52°F) in January to 32°C (90°F) in August. Nighttime lows range from 3°C (37°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Bomarzo get?
Annual rainfall is around 1056 mm (42 in). November is the wettest month with 146 mm (5.7 in), while July is the driest with 37 mm (1.5 in).
How sunny is Bomarzo?
Bomarzo 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, Bomarzo enjoys abundant sunshine.
Bomarzo 3-Day Forecast
Bomarzo 3-Day Forecast
Bomarzo on the map
Bomarzo is highlighted - select any city to see its climate.
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