Concarneau

Stay up to date with the current weather conditions in Concarneau. In this section, you'll find the latest data, forecasts, and helpful charts to help you plan your time in the city.

The climate in Concarneau, France, can be described as temperate maritime. This means the city doesn't experience extreme temperatures: summers are warm and pleasant, while winters are mild. During the warmest months, July and August, the average temperature is around 18°C, with highs reaching a comfortable 20-21°C. In winter, from December to February, the thermometer averages between 7-9°C, rarely dropping significantly below freezing.

A notable feature of Concarneau's weather is its rainfall pattern. While the total amount of precipitation in millimeters is low throughout the year (ranging from 2 to 4 mm per month), the number of rainy days is quite high, especially from October to March, when there can be between 14 and 16 rainy days per month. This indicates frequent but usually light rain or drizzle. Therefore, travelers should expect generally comfortable weather, but it's a good idea to pack light waterproof clothing, especially if visiting during the autumn or winter months.

The temperature regime in Concarneau is characterized by noticeable seasonal changes, though without sharp extremes. The annual temperature range is relatively mild. January is traditionally the coldest month, with an average temperature of about 7.5°C; nighttime lows can drop to 5.6°C, while daytime highs reach 9.4°C. July and August are the warmest months: in July, the average temperature is 18.2°C (low 15.1°C, high 21.2°C), and in August, it is 17.9°C (low 15.0°C, high 20.8°C).

Summer months in Concarneau, from June to August, bring pleasant warmth, ideal for walks and seaside relaxation. Average daytime highs during this period range from 19.6°C to 21.2°C, creating comfortable conditions without stifling heat. Nights also remain warm, with minimum temperatures rarely falling below 13.6°C-15.1°C. Daily temperature fluctuations in summer are not very large, making the climate predictable and pleasant.

Winter in Concarneau, covering the period from December to February, is mild and cool. Average temperatures during these months range from 7.5°C to 8.9°C. Night frosts are rare, as minimum temperatures usually stay above 5.6°C. During the day, the thermometer rises to an average of 9.4°C-10.5°C. The transitional seasons, spring and autumn, show a gradual change in temperatures: in spring, the air warms from an average of 9.0°C in March to 13.6°C in May, while in autumn, it gradually cools from 16.5°C in September to 10.6°C in November.

Precipitation occurs throughout the year in Concarneau, though there are distinct wetter and drier periods. Overall, the total amount of rainfall is low, indicating the absence of a pronounced season of heavy downpours, but the frequency of rainy days varies significantly by month.

The wettest time of year in Concarneau is from October to March. The maximum average monthly rainfall, reaching 4 mm, occurs in November and December. During these months, as well as in March and October, the highest number of rainy days is observed—up to 16 days per month. Given the mild temperatures year-round, precipitation falls mainly as rain, which is typically light or moderate in nature.

The drier season in Concarneau usually lasts from April to September. During these months, the average monthly rainfall drops to 2 mm. The fewest rainy days—about 10 days per month—are recorded in April, July, and August. Despite the lower amount of precipitation compared to the autumn-winter period, rain is still possible but is generally less frequent.

When planning a trip to Concarneau, it's important to account for the changeable weather of France's Atlantic coast. Layering is the key principle for packing. Even in the summer months (June to September), when average temperatures range from 16°C to 18°C, evenings can be cool and unexpected rain is common, with 10-12 rainy days per month. A light waterproof and windproof jacket, along with comfortable shoes for walking the cobbled streets and along the coast, will be your best companions year-round.

During the colder months from November to March, average temperatures stay around 7-10°C, and the number of rainy days increases to 14-16 per month. You'll need warm sweaters, a fleece, an insulated jacket, as well as a hat, scarf, and gloves, especially for long walks. In summer (June-August), pack T-shirts, shorts, light trousers, or dresses. However, don't forget a cardigan or light sweater for cooler moments. In the shoulder seasons (April-May and October), the weather can be particularly unpredictable, so a mix of light and warm clothing will keep you comfortable in any situation.

Regardless of the season, bring an umbrella or a raincoat, as rainfall is frequent, even if not heavy (2-4 mm per month). Sunscreen and a hat are useful on clear days, especially in summer, even if the temperature doesn't feel very high. Given the amount of walking involved in exploring Concarneau, prioritize comfortable, broken-in shoes. A power adapter for French outlets and a portable charger may also prove useful.