Châteaulin Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Châteaulin.
Climate overview of Châteaulin
Châteaulin, Brittany, France, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 21°C (70°F), while February is the coolest at 11°C (52°F).
The city has a wet climate, receiving around 1052 mm (41 in) of rainfall per year. December is the wettest month. Sunshine peaks in July, when the city sees around 7.6 hours of sunshine per day.
Châteaulin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Châteaulin — and find the best time to visit.
Monthly Temperature in Châteaulin
The climate in Châteaulin experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a pleasant 21°C (70°F) in August to a chilly 11°C (52°F) in February.
Nighttime temperatures range from 14°C (57°F) in August to 5°C (41°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Châteaulin
Châteaulin has a relatively rainy climate with high precipitation levels, averaging 1052 mm (41 in) of rainfall annually. The seasons in Châteaulin bring significant changes in precipitation. The wettest month, December, receives high rainfall, with an average of 127 mm (5 in) of precipitation. This rainfall is distributed across 21 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 58 mm (2.3 in) over 13 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Châteaulin 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 Châteaulin
In Châteaulin, summer days are longer and more sunny, with daily sunshine hours peaking at 7.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.1 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 Châteaulin by Month
The city experiences its highest humidity in January, reaching 86%. In April, the humidity drops to its lowest level at 81%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Châteaulin
Rainfall during this time ranges from 58 mm (2.3 in) in July to 69 mm (2.7 in) in September. This means you can expect a mix of sunny days and occasional showers. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Châteaulin
What is the best time to visit Châteaulin?
June, July, August and September typically offer the most optimal weather in Châteaulin. In contrast, January, February, November and December tend to have less optimal conditions.
What temperatures can I expect in Châteaulin?
Daytime highs range from 11°C (52°F) in February to 21°C (70°F) in August. Nighttime lows range from 5°C (41°F) to 14°C (57°F).
How much rain does Châteaulin get?
Annual rainfall is around 1052 mm (41 in). December is the wettest month with 127 mm (5 in), while July is the driest with 58 mm (2.3 in).
How sunny is Châteaulin?
Châteaulin receives around 1,752 hours of sunshine per year. July is the sunniest month with 229 hours, while December is the cloudiest with just 63 hours.
Châteaulin 3-Day Forecast
Châteaulin 3-Day Forecast
Châteaulin on the map
Châteaulin is highlighted — select any city to see its climate.
Popular this month
Where to go in June — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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.
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?
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.