Last updated: February 26, 2025
January in Chamonix-Mont-Blanc, France presents a captivating winter wonderland, where the maximum temperature hovers around 6°C (44°F), while the chill sets in with an average low of -8°C (19°F) and occasional dips to a crisp -25°C (-13°F). This month is marked by a significant precipitation of 171 mm (6.7 in), typically spread across 10 days, adding a fresh layer of snow that blankets the breathtaking alpine landscape. The air is imbued with a high humidity level of 91%, contributing to the serene, frosty ambiance that attracts winter sports enthusiasts and nature lovers alike. With its stunning scenery and invigorating climate, January is truly a highlight for visitors to this iconic mountain destination.
January in Chamonix-Mont-Blanc brings a striking chill, with temperatures dipping as low as -25°C (-13°F). The month showcases an average temperature of -8°C (19°F), highlighting the region's reputation as a winter wonderland. Despite frigid lows, daytime highs can reach up to 6°C (44°F), offering brief respites from the cold. As the season progresses into February and March, temperatures gradually rise, peaking at 11°C (52°F) and 14°C (58°F), respectively. This upward trend continues into spring, where the transition to milder conditions becomes evident with average temperatures reaching 3°C (38°F) in April. Overall, January serves as a bitter yet beautiful reminder of winter's hold on this alpine paradise, before the gradual warming invites a transformation into vibrant spring.
January in Chamonix-Mont-Blanc brings a significant average precipitation of 171 mm (6.7 in), marking a robust start to the year for this alpine region. With about 10 days of rain, the month typically features a combination of gentle showers and heavier bursts, which contribute to the region's stunning winter landscape. This trend of high precipitation continues into February, though with a slight decrease, dropping to 141 mm (5.5 in) over 11 days. The snowy vistas in January not only invite winter sports enthusiasts but also set the stage for a wet and wild transition into spring, where average precipitation starts to increase again in March. The cyclical nature of Chamonix's weather creates a dynamic interplay, ensuring both a thrilling and picturesque experience throughout the winter season.
In January, Chamonix-Mont-Blanc experiences a notable humidity level of 91%, setting the stage for its winter wonderland ambiance. As the months progress, there's a gradual decline in humidity, with February dropping to 87% and March reaching 84%. This easing of moisture continues into spring, where April and May see levels around 83% and 78%, respectively. Interestingly, the summer months maintain a comfortable humidity, peaking at a low of 72% in July and 63% in August. However, as autumn approaches, humidity climbs again, with October and November both averaging around 90%. This cyclical pattern showcases Chamonix's dynamic climate, where the crisp winter air gives way to more temperate conditions, only to revert to its humid roots as the year concludes.
In January, Chamonix-Mont-Blanc experiences a moderate UV Index of 3, with a burn time of just 30 minutes under the sun. As winter continues into February, the UV Index increases slightly to 4, maintaining the same burn time. This moderate exposure level hints at the need for skin protection, especially when engaging in outdoor activities amid the snowy landscape. However, a noticeable shift occurs in the coming months; by March, the UV Index jumps to 7, indicating a transition to high exposure, with a reduced burn time of 25 minutes. The trend continues to rise sharply through spring and summer, peaking at 10 in June and July, where sun safety becomes paramount with only 15 minutes of unprotected exposure recommended. Overall, the UV Index data for Chamonix-Mont-Blanc highlights the changing sun intensity from moderate to very high as the year progresses, underscoring the importance of staying vigilant about sun protection throughout the seasons. For a detailed look at the UV Index trends in this stunning alpine region, visit Chamonix-Mont-Blanc UV Index.
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In Chamonix-Mont-Blanc, January marks the beginning of the year with 173 hours of sunlight, a cozy start that gradually brightens into February's 237 hours. This gradual increase continues into March and April, where daylight expands significantly, embracing the slopes with a welcoming 306 hours and further blossoming to 352 hours. As spring settles in, sunshine peaks through the summer months, topping at 422 hours in July, before gently tapering off. This seasonal rhythm showcases the region’s charm, where winter’s chill transforms into the warmth of longer days, making Chamonix a mesmerizing destination for both ski enthusiasts and summer adventurers alike. As autumn approaches, the daylight hours wane but remain substantial, captivating visitors with its stunning landscapes bathed in soft golden hues.
In Chamonix-Mont-Blanc, January sees a modest 22% chance of sunny weather, setting the stage for a winter wonderland rather than basking in bright rays. As the year progresses, the likelihood of sunshine steadily increases, with February jumping to 38% and peaking at 44% in both March and April. This upward trend highlights the region's gradual transition from winter's chill to the spring thaw, where snow-capped peaks shine under clearer skies. By late spring and early summer, the chances of sun fluctuate between 26% and 37%, providing a tantalizing glimpse of warmer days ahead. However, as autumn approaches in October, the likelihood skyrockets to 45%, hinting at a surprising favor for sunshine during a typically cloudy season. The data reveals that while January’s forecast may be gloomy, the upcoming months promise a more vibrant atmosphere, perfect for outdoor adventures in this majestic alpine locale.
In Chamonix-Mont-Blanc, January marks the start of the year's daylight cycle, offering around 9 hours of light. As winter gives way to spring, the days gradually lengthen, with February providing a glimmer of hope at 10 hours and March extending this to 11 hours. By April, daylight significantly increases to 13 hours, paving the way for the vibrant blooms of May, which sees daylight peak at 14 hours. The summer months of June and July maintain this zenith, basking in 15 hours of sunlight, ideal for outdoor adventures. However, as August rolls in, daylight begins to wane to 14 hours, gradually transitioning into September's 12 hours. By the time October arrives, daylight dips to 10 hours, and the cycle winds down, with November and December bringing back the shorter days—falling to 9 hours and a mere 8 hours, respectively. This rhythmic dance of daylight underscores the region's enchanting seasonal shifts, inviting visitors and residents alike to embrace each unique moment.
In January, Chamonix-Mont-Blanc experiences a gentle embrace of winter winds with an average speed of 1.3 m/s (3 mph). This calm weather pattern sets the tone for the rest of winter, as February sees a slight increase to 1.4 m/s, providing a refreshing chill to the air. As the seasons transition, the wind speed begins to wane slightly in March and April, settling back to 1.2 m/s. May brings a return to 1.3 m/s, maintaining the mild breezes, before the summer months introduce a softness with July and August clocking in at 1.1 m/s. Interestingly, as autumn approaches, the winds grow even lighter, reaching their annual low in September at 1.0 m/s, before gradually picking up again in the following months. Despite these minor fluctuations, the overall trend highlights Chamonix's preference for tranquil winds throughout much of the year, enhancing the serene beauty of its mountainous landscapes.
The weather in Chamonix-Mont-Blanc changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Chamonix-Mont-Blanc and find detailed weather information for every month.
January and February exhibit notable differences in weather patterns. January features a colder climate with average temperatures around -8°C (19°F), dipping as low as -25°C (-13°F) and only reaching a maximum of 6°C (44°F). Additionally, it experiences higher precipitation levels at 171 mm (6.7 in) over 10 days, along with a humidity level of 91%. In contrast, February offers a slight reprieve from the cold, with average temperatures rising to -4°C (26°F), a minimum of -21°C (-5°F), and a maximum of 11°C (52°F). While February has slightly lower precipitation at 141 mm (5.5 in) across 11 days, the humidity decreases to 87%. For more detailed insights on February weather, you can check Chamonix-Mont-Blanc weather in February.
In January, the weather in Chamonix-Mont-Blanc is characterized by very cold temperatures, with a minimum of -25°C (-13°F) and an average of -8°C (19°F). The month receives significant precipitation, totaling 171 mm (6.7 in) over approximately 10 days, coupled with high humidity at 91%.
By March, conditions begin to improve slightly, featuring a minimum still at -25°C (-12°F) but an average temperature rising to -1°C (31°F) and a maximum reaching 14°C (58°F). Precipitation increases to 175 mm (6.9 in) over 15 days, and humidity decreases to 84%. Overall, March offers a transition towards warmer weather, though still retains a level of chilliness compared to January. For more detailed weather information, you can visit Chamonix-Mont-Blanc weather in March.
The weather in January and April displays a notable contrast in temperature and precipitation patterns. In January, the minimum temperature plummets to -25°C (-13°F) with an average of -8°C (19°F), while April sees milder conditions, with temperatures ranging from a minimum of -16°C (3°F) to an average of 3°C (38°F) and a maximum of 17°C (63°F). January experiences a higher level of precipitation at 171 mm (6.7 in) over 10 days, compared to April's 84 mm (3.3 in) over 13 days, indicating a wetter winter month versus a comparatively drier spring. Humidity also slightly decreases from January's 91% to April's 83%, suggesting a shift towards more comfortable conditions as the season changes. For more detailed insights, you can visit Chamonix-Mont-Blanc weather in April.
January and May present starkly contrasting weather conditions. In January, temperatures can plunge as low as -25°C (-13°F), with an average temperature around -8°C (19°F) and a maximum of only 6°C (44°F). The month experiences heavy precipitation, amounting to 171 mm (6.7 in) over approximately 10 days, and the humidity is notably high at 91%. In contrast, May sees milder conditions, with minimum temperatures around -12°C (11°F) and average highs reaching a pleasant 23°C (74°F). The overall precipitation increases to 224 mm (8.8 in) spread over 21 days, but the humidity drops to a more comfortable 78%. For a detailed look at the weather in May, you can visit Chamonix-Mont-Blanc weather in May.
In January, Chamonix-Mont-Blanc experiences frigid temperatures, with averages hovering around -8°C (19°F) and maximums only reaching 6°C (44°F). The month is characterized by high humidity levels at 91% and significant precipitation totaling 171 mm (6.7 in) over about 10 days. In contrast, June brings a dramatic shift in weather, with temperatures ranging from a minimum of -3°C (28°F) to a warm average of 12°C (54°F) and highs soaring to 28°C (83°F). Although June has a similar amount of precipitation at 167 mm (6.6 in), it is spread over 20 days, and the humidity decreases to a more comfortable 75%. For more detailed insights, you can explore the Chamonix-Mont-Blanc weather in June.
The weather in Chamonix-Mont-Blanc reveals a striking contrast between January and July. In January, temperatures can plummet to a chilling minimum of -25°C (-13°F), with an average of -8°C (19°F) and a maximum of just 6°C (44°F). During this month, the region experiences significant precipitation of 171 mm (6.7 in) over approximately 10 days, combined with high humidity levels of 91%, creating a cold and damp atmosphere.
In contrast, July brings much milder conditions, with temperatures ranging from a minimum of 2°C (36°F) to a pleasant average of 14°C (57°F) and a maximum reaching 27°C (81°F). Precipitation during this summer month is slightly lower at 162 mm (6.4 in) but occurs over more days—about 18—while the humidity drops to a more comfortable 72%. This makes July a more inviting time for outdoor activities. For more details on July weather specifics, you can visit Chamonix-Mont-Blanc weather in July.
January in Chamonix-Mont-Blanc is characterized by frigid temperatures, with average highs barely reaching 6°C (44°F) and plunging to a chilling minimum of -25°C (-13°F). The precipitation in January is significant, totaling 171 mm (6.7 in) over about 10 days, coupled with high humidity levels at 91%, creating a stark winter landscape. In contrast, August offers a much milder climate, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 25°C (77°F) and an average of 13°C (56°F). Although August experiences slightly less precipitation at 149 mm (5.9 in) over 17 days, the humidity drops to a more comfortable 63%. For more information on August weather in the region, you can check Chamonix-Mont-Blanc weather in August.
January's weather is characterized by extreme cold, with temperatures plunging as low as -25°C (-13°F) and averaging -8°C (19°F). The month sees significant precipitation, with an average of 171 mm (6.7 in) over approximately 10 days, leading to a high humidity level of 91%. In contrast, September welcomes milder temperatures, with lows of -8°C (19°F), averages around 10°C (49°F), and highs reaching 21°C (71°F). Although September has less overall precipitation at 109 mm (4.3 in) spread over 16 days, the humidity is notably lower at 73%. For those interested in more detailed insights, you can find out more about Chamonix-Mont-Blanc weather in September.
January and October in Chamonix-Mont-Blanc present notably different weather experiences. January is characterized by much colder temperatures, with averages around -8°C (19°F) and minimums plunging to -25°C (-13°F), along with high humidity at 91%. This month also sees considerable precipitation, totaling 171 mm (6.7 in) over about 10 days. In contrast, October offers a milder climate, with temperatures ranging from a minimum of -8°C (18°F) to a pleasant maximum of 18°C (65°F), and an average of 5°C (42°F). Although October experiences slightly less precipitation at 133 mm (5.3 in) over 13 days, the humidity remains relatively high at 89%. For a detailed overview of the weather in this picturesque region during October, you can check this link: Chamonix-Mont-Blanc weather in October.
In comparing the weather between January and November, January is notably colder, with average temperatures hovering around -8°C (19°F), while November experiences milder conditions with an average of -1°C (30°F). The minimum temperature in January can plummet to -25°C (-13°F), whereas November's lowest temperature is slightly warmer at -18°C (-1°F). Precipitation is higher in January at 171 mm (6.7 in) over 10 days, compared to November's 120 mm (4.7 in) across 13 days. Despite the colder temperatures in January, both months have similar humidity levels, hovering around 90%. For a more detailed look at the weather in November, you can visit Chamonix-Mont-Blanc weather in November.
January weather in Chamonix-Mont-Blanc tends to be slightly colder than December, with average temperatures hovering around -8°C (19°F) compared to December's average of -6°C (22°F). The minimum temperatures in January can drop to -25°C (-13°F), only slightly lower than December's minimum of -23°C (-8°F). While January experiences less precipitation overall at 171 mm (6.7 in) over 10 days, December is significantly wetter with 295 mm (11.6 in) falling over 19 days. Both months maintain high humidity levels, around 90-91%, which contributes to the chilly atmosphere. For more detailed insights into December's weather patterns, check out Chamonix-Mont-Blanc weather in December.
In January, Chamonix-Mont-Blanc transforms into a winter wonderland, marked by significantly colder temperatures and a higher likelihood of snow compared to other months. With average lows dipping to -8°C (19°F) and occasional cold snaps plunging to -25°C (-13°F), January's weather is ideal for those seeking the thrill of winter sports amidst stunning alpine scenery. Despite the chill, the region experiences about 10 days of precipitation throughout the month, contributing to the breathtaking landscapes and blanketing the slopes in fresh powder. The high humidity can make the air feel even colder, intensifying the winter atmosphere. For a deeper insight into the year-round conditions, check out the detailed information available in our article on Chamonix-Mont-Blanc Climate.