Sully-sur-Loire Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sully-sur-Loire.
Climate overview of Sully-sur-Loire
Sully-sur-Loire, Centre, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in August, while winters cool to 8°C (46°F) in January.
The city receives around 783 mm (31 in) of rain/snowfall per year. It experiences warm summers and cold winters. May is the wettest month and August the driest. The sunniest month is July, with 8.0 hours of sunshine per day on average.
Sully-sur-Loire Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sully-sur-Loire - and find the best time to visit.
Monthly Temperature in Sully-sur-Loire
Depending on the time of the year, temperatures range from comfortable to chilly in Sully-sur-Loire. On average, daytime temperatures range from a comfortable 27°C (81°F) in August to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 15°C (59°F) in August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sully-sur-Loire
Generally, Sully-sur-Loire has a moderate amount of precipitation, averaging 783 mm (31 in) of rain/snowfall annually. The wettest period in Sully-sur-Loire occurs in May, which receives around 78 mm (3.1 in) of precipitation. During the driest month, August, Sully-sur-Loire experiences moderate rainfall, totaling 55 mm (2.2 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Sully-sur-Loire 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 Sully-sur-Loire
In Sully-sur-Loire, summer days are longer and more sunny, with daily sunshine hours peaking at 8.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.7 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 Sully-sur-Loire by Month
The relative humidity is high throughout the year in Sully-sur-Loire.
The city experiences its highest humidity in December, reaching 89%. In April, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Sully-sur-Loire
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, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Sully-sur-Loire
What is the best time to visit Sully-sur-Loire?
May, June, July, August and September typically offer the most optimal weather in Sully-sur-Loire. In contrast, January, February and December tend to have less optimal conditions. Sully-sur-Loire has warm summers and cold winters.
What temperatures can I expect in Sully-sur-Loire?
Daytime highs range from 8°C (46°F) in January to 27°C (81°F) in August. Nighttime lows range from 2°C (36°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Sully-sur-Loire get?
Annual rainfall is around 783 mm (31 in). May is the wettest month with 78 mm (3.1 in), while August is the driest with 55 mm (2.2 in).
How sunny is Sully-sur-Loire?
Sully-sur-Loire receives around 1,794 hours of sunshine per year. July is the sunniest month with 240 hours, while December is the cloudiest with just 50 hours.
Sully-sur-Loire 3-Day Forecast
Sully-sur-Loire 3-Day Forecast
Sully-sur-Loire on the map
Sully-sur-Loire is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?
An alternative way to discover Paris
From street art, vintage shops, vegetarian cafes, to amazing cultural events, Paris has much to offer for the creative traveler. An overview of sights that you must see if you want to visit this city in an alternative way.
Nature is allowed to take its course in the Ardeche
The Ardèche is France at its most beautiful. The authentic villages and breathtaking mountainous landscapes are one of the main reasons. he climate in Ardèche is very pleasant. Temperatures are high during summer and it is often very sunny.
Explore the natural wonders of Corsica
Corsica offers an abundance of incredible natural wonders to explore. This stunning Mediterranean island is a paradise for outdoor enthusiasts and nature lovers alike.