Celleno Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Celleno.
Climate overview of Celleno
Celleno, Lazio, Italy, experiences significant temperature variation throughout the year. Summers bring daytime highs of 31°C (88°F) in August, while winters cool to 11°C (52°F) in January.
Annual rain/snowfall is moderate at around 980 mm (39 in), with November being the wettest month. The city also has very warm summers and cold winters. Sunshine peaks in July, when the city sees around 9.5 hours of sunshine per day.
Celleno Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Celleno - and find the best time to visit.
Monthly Temperature in Celleno
Depending on the time of the year, temperatures range from very warm to chilly in Celleno. Average daytime temperatures reach a very warm 31°C (88°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 Celleno
Generally, Celleno has a moderate amount of precipitation, averaging 980 mm (39 in) of rain/snowfall annually. Celleno can be quite wet during November, receiving approximately 135 mm (5.3 in) of precipitation over 15 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 35 mm (1.4 in) of precipitation spread across 6 rainy days. For more details, please visit our Celleno 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 Celleno
Celleno 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
Daily percentage of sunshine
Humidity in Celleno by Month
The relative humidity is high throughout the year in Celleno.
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 Celleno
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: Very warm summers and cold winters
Frequently asked questions about the climate in Celleno
What is the best time to visit Celleno?
May, June and September typically offer the most optimal weather in Celleno. In contrast, January, February, November and December tend to have less optimal conditions. Celleno has very warm summers and cold winters.
What temperatures can I expect in Celleno?
Daytime highs range from 11°C (52°F) in January to 31°C (88°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 Celleno get?
Annual rainfall is around 980 mm (39 in). November is the wettest month with 135 mm (5.3 in), while July is the driest with 35 mm (1.4 in).
How sunny is Celleno?
Celleno 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, Celleno enjoys abundant sunshine.
Celleno 3-Day Forecast
Celleno on the map
Celleno is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most beautiful historical towns in Italy
Discover Italy's top 10 historic towns, featuring breathtaking medieval architecture and deep-rooted history, ideal for enthusiasts of extraordinary cities.
Experience mystical Assisi
Assisi is the most famous town in Umbria and best known because of Saints Francis and Clare of Assisi. Many visitors come to see the breathtaking San Francesco basilica.
The Battle of Oranges
This is one of the most unusual festivals in Italy. The festival is held in the middle of winter during the winter carnival. The entire city of Ivrea near Turin turns into a battlefield.
The most beautiful fishing village of Italy
Portofino is the most beautiful fishing village in Italy and maybe even in the world. We absolutely recommend that you add this beautiful place to your bucket list.