Annecy

Planning a trip to Annecy? Stay up to date with the latest weather conditions! Below you'll find current data, detailed forecasts, and helpful charts to help you perfectly plan your time in this charming city.

The climate in Annecy can be described as temperate, with four distinct seasons. The city experiences notable temperature fluctuations throughout the year, allowing visitors to enjoy the unique charms of every season—from cool, sometimes frosty winters to warm summers. This provides a variety of conditions for travelers depending on their preferences.

Summer in Annecy, spanning from June to August, is generally warm and pleasant. Average high temperatures in July and August reach a comfortable 24°C, making it the perfect time for lakeside strolls and outdoor activities. Winters (December–February) are cool, with January's average temperature around 1.2°C and night temperatures often dropping below freezing. Spring and autumn are classic transitional seasons with gradual changes in temperature and weather conditions.

One of the hallmarks of Annecy's weather is that precipitation, while low in volume (averaging 4–7 mm per month), is distributed fairly evenly throughout the year. Notably, the number of rainy days remains consistently high, ranging from 12 to 17 days each month. This means that light rain or overcast skies are possible at any time of year, so travelers should be prepared for changeable weather.

The temperature in Annecy shows distinct seasonality with notable fluctuations throughout the year. The hottest months are traditionally July and August. In July, the average temperature is 19.3°C, with daytime highs reaching a comfortable 24.3°C and nighttime lows dropping to 14.3°C. August has very similar figures: an average of 19.1°C, a maximum of 24.1°C, and a minimum of 14.2°C. The coldest month is January, when the average temperature sits at 1.2°C, with daytime highs around 4.6°C and night frosts down to -2.1°C. December is also cold, with an average temperature of 1.8°C and lows reaching -1.6°C.

Summer in Annecy, covering the period from June to August, is characterized by pleasantly warm weather. June kicks off the summer season with an average temperature of 17.3°C, a high of 22.2°C, and a low of 12.4°C. As mentioned, July and August are the peak of summer warmth. During these months, the difference between day and night temperatures is quite significant—around 10°C—providing warm days and refreshingly cool evenings, ideal for a walk after a hot day.

The winter months, from December to February, bring a true winter chill to Annecy. Average daytime temperatures in December and January rarely rise above 5°C, and nights are consistently frosty. February is slightly milder, with an average temperature of 3.4°C, daytime highs up to 7.9°C, and nighttime lows around -1.0°C. Spring and autumn months are transitional, with temperatures gradually rising or falling. For example, in April the average temperature is 8.9°C (ranging from 3.6°C at night to 14.2°C during the day), and in October it is 11.2°C (from 6.4°C at night to 16.0°C during the day), also featuring notable daily fluctuations.

Precipitation in Annecy is characterized by very low volumes throughout the year, with no pronounced rainy or dry season in terms of total rainfall. Monthly precipitation stays within a narrow range, from 4 mm to 7 mm. A key feature of Annecy's climate is that, despite the low total volume, precipitation occurs quite frequently: the number of wet days varies from 12 to 17 per month.

Based on statistical averages, the highest amount of precipitation occurs in December, with about 7 mm falling. This is followed by May at 6 mm. These months, along with June (5 mm), also stand out for having the highest frequency of precipitation, with an average of 17 wet days each. This means that during these periods, there is a slightly higher chance of encountering overcast weather with light precipitation. In summer, such as in June, these are likely to be brief showers. In winter, especially in December when the average temperature is around 1.8°C and minimums regularly drop below zero, precipitation often falls as snow.

The months with the least precipitation (just 4 mm) include February, March, and April, as well as the entire period from July to October. However, the frequency tells a more varied story. The lowest number of wet days (12 days) is observed in February, July, August, and September. Slightly more often, about 13 days a month, precipitation occurs in April and October. Despite also having 4 mm of rainfall, March has a higher frequency of wet days (14 days), putting it on par with January and November. In winter months like January (average temp 1.2°C, 5 mm rainfall, 14 wet days) and February (average temp 3.4°C, 4 mm rainfall, 12 wet days), snow or sleet is common due to the low temperatures. Snow is also possible in November (5 mm, 14 wet days) and, as mentioned, in December.

When planning your trip to Annecy, keep in mind the changeable weather and the importance of layering. Regardless of the season, comfortable walking shoes are a must for exploring the picturesque streets and lakeside paths. Given that the number of days with precipitation is quite high (from 12 to 17 per month), even if the volume is low, a compact umbrella or a lightweight waterproof jacket will come in very handy. Don't forget sunscreen, especially if you're visiting during the warmer months, as the sun by the lake can be quite strong.

In summer (June to August), Annecy is usually warm, with average highs reaching a comfortable +24°C. You'll need light, breathable clothing: t-shirts, shorts, and dresses. However, evenings can be cool (around +14°C), so it's worth bringing a light jacket, cardigan, or sweater. In winter (December to February), the weather in Annecy is cold, with average temperatures around +1°C and night temperatures often falling below zero. Be sure to pack a warm jacket (preferably windproof and waterproof), a hat, scarf, gloves, and warm waterproof boots, as snow and icy conditions are possible. Spring and autumn are the most unpredictable seasons, so the layering principle is especially relevant: t-shirts, jumpers, a fleece, and a windbreaker or mid-season jacket will keep you comfortable as temperatures fluctuate between +3°C and +19°C.