Last updated: February 26, 2025
In March, Chamonix-Mont-Blanc experiences a unique blend of wintry and early spring conditions, with temperatures ranging from a brisk -25°C (-12°F) to a pleasant 14°C (58°F). The average temperature hovers around -1°C (31°F), creating a chilly atmosphere amidst the stunning alpine scenery. Visitors can expect 175 mm (6.9 in) of precipitation over 15 days, contributing to the region's captivating snowscapes while maintaining a high humidity level of 84%. This transitional month invites adventurers to embrace the last whispers of winter and the first signs of spring in this breathtaking destination.
In March, Chamonix-Mont-Blanc ushers in a transition from winter’s chill to the early hints of spring, showcasing a notable shift in temperatures. With minimums dipping to -25°C (-12°F) and average temperatures hovering around -1°C (31°F), the region still retains its frosty charm. However, the days also warm up, peaking at 14°C (58°F), inviting adventurers to embrace the melting snow and enjoy the stunning alpine scenery. This evolution in temperature reflects a broader trend of gradually rising warmth as winter gives way to milder conditions, making March a fantastic month for both skiing aficionados and those yearning to witness the breathtaking landscape awaken from its wintry slumber.
In March, Chamonix-Mont-Blanc experiences a notable uptick in precipitation, with 175 mm (6.9 in) of rain measured over 15 days. This increase sets the stage for a dramatic transition from winter to spring, reflecting a departure from the heavier snows of January and February, which recorded 171 mm (6.7 in) and 141 mm (5.5 in) respectively. As the month progresses, the region anticipates the melting of winter snowpack, contributing to the higher precipitation levels in May, where totals soar to 224 mm (8.8 in). March serves as a pivotal link, bridging the chilly winter months with the upcoming thaw and vibrant spring season, making it a crucial time for both locals and nature enthusiasts to witness the transformation of this stunning alpine landscape.
In March, Chamonix-Mont-Blanc experiences a notable decline in humidity, with levels dropping to 84%. This represents a steady decrease from the chilly, damp conditions of January and February, which recorded 91% and 87% humidity, respectively. As spring approaches, the transition continues into April with a slight further reduction to 83%. Overall, the diminishing humidity from March through May signals a shift toward milder and more comfortable weather, as the lush landscapes of the French Alps begin to awaken from their winter slumber, inviting visitors to enjoy the breathtaking scenery and fresh mountain air.
In March, Chamonix-Mont-Blanc experiences a notable rise in the UV Index, reaching 7, which signifies a high exposure category. This increase marks a significant step up from the moderate levels of January and February, where the UV Index hovered around 3 and 4, respectively. With a burn time of just 25 minutes, it's essential for visitors and locals alike to take precautions as they enjoy the stunning alpine scenery. The trend continues into the warmer months, where the UV Index escalates, peaking at 10 by June and July. As spring unfolds, it's a perfect reminder to stay sun-safe while soaking up the gorgeous surroundings. For more detailed UV levels throughout the year, check out Chamonix-Mont-Blanc UV Index.
UV Risk Categories
March in Chamonix-Mont-Blanc ushers in a vibrant transformation, boasting 306 hours of glorious sunshine—a significant increase from the cozy days of January and February. As spring awakens, sunlight floods the valley, encouraging outdoor enthusiasts to embrace the stunning alpine scenery. This month not only marks a rising trend in daylight hours but also serves as a gateway to the milder weather that April and May bring. With the sun steadily climbing, visitors can truly savor the blend of fresh mountain air and luminous days, making March a perfect time to explore the captivating beauty of this iconic French destination.
As March arrives in Chamonix-Mont-Blanc, the sun starts to peek through the winter clouds with a 44% chance of sunny weather. This marks a significant increase from the 22% chance in January and the 38% in February, suggesting a clear upward trend as spring approaches. Interestingly, the likelihood of sunshine remains steady into April, holding at 44%, before dipping in May. This pattern highlights March as a transitional month where winter reluctantly gives way to spring, making it an ideal time for outdoor enthusiasts to enjoy the breathtaking alpine landscapes under the sun. With the potential for clear skies, this month is a beacon for those looking to embrace both snow and the warmth of sun-kissed days.
As winter gives way to spring, March brings a significant increase in daylight hours to Chamonix-Mont-Blanc, with sunshine lasting for 11 hours each day. This gradual lengthening of days offers a welcoming shift from the darker winter months, where January and February only enjoy 9 and 10 hours of daylight, respectively. The progression continues warmly into April and May, promising 13 and 14 hours of daylight as nature awakens. This trend not only highlights the transition into longer, sunnier days but also signals the onset of outdoor adventures in this picturesque alpine setting, inviting visitors to embrace the beauty of the season.
In March, the gentle breezes of Chamonix-Mont-Blanc continue a trend of mild winds, with an average speed of 1.2 m/s (3 mph), mirroring the conditions of April. The winter's chill slowly retreats, bringing with it a sense of rejuvenation as the area transitions towards spring. This consistent wind speed, complemented by February's slight increase to 1.4 m/s, suggests a stable climatic rhythm in the region. While summer months see slightly lighter winds, the overall pattern showcases a calm and serene atmosphere, perfect for enjoying the breathtaking landscapes that Chamonix-Mont-Blanc offers. With each passing month, the auger of spring invites adventurers and nature lovers alike to relish the tranquil beauty of this iconic alpine destination.
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 March'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.
When comparing the weather in March to January, we see a notable shift in temperatures and precipitation patterns. March experiences a wider temperature range with minimums around -25°C (-12°F), average temperatures rising to -1°C (31°F), and maximums reaching up to 14°C (58°F). In contrast, January's temperatures are generally colder, with a minimum of -25°C (-13°F), an average of -8°C (19°F), and a maximum of 6°C (44°F). Additionally, March tends to have slightly more precipitation, totaling 175 mm (6.9 in) over 15 days, compared to January's 171 mm (6.7 in) over just 10 days. However, January has a higher humidity level at 91%, while March's humidity sits at 84%. For a more detailed look at January's climate, check out Chamonix-Mont-Blanc weather in January.
March generally offers a slightly warmer climate compared to February, with average temperatures rising from -4°C (26°F) in February to -1°C (31°F) in March. The maximum temperatures also increase, reaching up to 14°C (58°F) in March versus 11°C (52°F) in February. Interestingly, March experiences more precipitation, totaling 175 mm (6.9 in) over 15 days, compared to February's 141 mm (5.5 in) over 11 days. Humidity levels are similar, with February at 87% and March slightly lower at 84%. For a deeper look at February weather, you can visit Chamonix-Mont-Blanc weather in February.
March and April show a noticeable transition in weather patterns. In March, temperatures range from a chilly minimum of -25°C (-12°F) to a slightly warmer maximum of 14°C (58°F), with an average of -1°C (31°F). The month is marked by considerable precipitation, totaling 175 mm (6.9 in) over 15 days and maintaining a high humidity level of 84%. In contrast, April offers milder conditions, with temperatures dipping to a minimum of -16°C (3°F) and climbing to a maximum of 17°C (63°F), resulting in an average of 3°C (38°F). Precipitation decreases significantly to 84 mm (3.3 in) over 13 days, and humidity slightly lowers to 83%. For more details, you can check out Chamonix-Mont-Blanc weather in April.
March and May present distinct weather patterns, with March experiencing colder temperatures and higher humidity. In March, temperatures range from a chilling minimum of -25°C (-12°F) to a maximum of 14°C (58°F), with an average of -1°C (31°F). The month sees significant precipitation, totaling 175 mm (6.9 in) over 15 days, contributing to a high humidity level of 84%. In contrast, May gradually warms up, with temperatures fluctuating between a minimum of -12°C (11°F) and a pleasant maximum of 23°C (74°F), averaging around 7°C (45°F). May also sees increased precipitation at 224 mm (8.8 in) over 21 days, but with slightly lower humidity at 78%. For more detailed weather information, check out Chamonix-Mont-Blanc weather in May.
March and June present contrasting weather patterns. In March, temperatures can drop as low as -25°C (-12°F), with an average of around -1°C (31°F) and a maximum of 14°C (58°F). The month sees substantial precipitation, totaling 175 mm (6.9 in) over about 15 days, accompanied by high humidity levels of 84%. In contrast, June enjoys milder conditions, with minimum temperatures rising to -3°C (28°F) and averages reaching 12°C (54°F), peaking at 28°C (83°F). The precipitation is slightly lower at 167 mm (6.6 in), spread over 20 days, and humidity decreases to 75%. These differences highlight March’s chilly and damp environment compared to June’s warmer and relatively drier atmosphere. For more detailed insights, you can visit Chamonix-Mont-Blanc weather in June.
March and July present starkly contrasting weather patterns. In March, temperatures range from a frigid minimum of -25°C (-12°F) to a mild maximum of 14°C (58°F), with an average of -1°C (31°F), accompanied by significant precipitation of 175 mm (6.9 in) over 15 days and high humidity levels of 84%. In contrast, July brings much warmer conditions with temperatures ranging from a minimum of 2°C (36°F) to a pleasant maximum of 27°C (81°F), averaging at 14°C (57°F). Precipitation in July is slightly lower at 162 mm (6.4 in) across 18 days, and humidity decreases to a more comfortable 72%. For further details on the weather during this month, you can check out Chamonix-Mont-Blanc weather in July.
March and August present stark contrasts in weather conditions. In March, temperatures can plunge to a chilling minimum of -25°C (-12°F), with an average hovering around -1°C (31°F) and a maximum reaching 14°C (58°F). This month sees about 175 mm (6.9 in) of precipitation over approximately 15 days, and relative humidity is quite high at 84%, creating a damp and cold atmosphere.
In contrast, August enjoys more moderate temperatures, with a minimum of 2°C (36°F), an average of 13°C (56°F), and a pleasant maximum of 25°C (77°F). While precipitation is slightly lower at 149 mm (5.9 in) spread over 17 days, the humidity is reduced to 63%, yielding a milder and more comfortable climate. For a detailed look at weather specifics in August, check out Chamonix-Mont-Blanc weather in August.
In March, Chamonix Mont-Blanc experiences chilly temperatures with a minimum of -25°C (-12°F) and a maximum of 14°C (58°F), resulting in an average of -1°C (31°F). Precipitation is quite prevalent, with 175 mm (6.9 in) falling over about 15 days, and humidity levels remain high at 84%. Conversely, September sees milder weather, featuring a minimum temperature of -8°C (19°F) and a maximum of 21°C (71°F), leading to a more comfortable average of 10°C (49°F). The precipitation amount decreases to 109 mm (4.3 in) over 16 days, with a lower humidity level of 73%. For more detailed information, check out Chamonix-Mont-Blanc weather in September.
March and October present distinct weather patterns, showcasing the transition between winter and autumn. In March, temperatures can plunge to a chilling -25°C (-12°F) at night, while averaging around -1°C (31°F) during the day with maximums reaching up to 14°C (58°F). This month sees considerable precipitation, with about 175 mm (6.9 in) falling over approximately 15 days, contributing to a relatively high humidity of 84%.
In contrast, October features milder temperatures, with nighttime lows of -8°C (18°F) and daily averages of 5°C (42°F), peaking at a pleasant 18°C (65°F). Precipitation is slightly less at 133 mm (5.3 in), spread over 13 days, and humidity remains high at 89%. For a more detailed look at the weather in October, you can explore Chamonix-Mont-Blanc weather in October.
In March, temperatures in Chamonix-Mont-Blanc fluctuate between a minimum of -25°C (-12°F) and a maximum of 14°C (58°F), with an average of -1°C (31°F), while November sees slightly milder conditions with a minimum of -18°C (-1°F) and a maximum of 15°C (60°F), averaging around -1°C (30°F). Precipitation is more substantial in March, totaling 175 mm (6.9 in) across 15 days, compared to November's 120 mm (4.7 in) over 13 days. Additionally, March has a relative humidity of 84%, slightly lower than November’s 90%. For more details on November weather, you can check Chamonix-Mont-Blanc weather in November.
When comparing the weather in March and December, notable differences emerge. March tends to be slightly milder, with an average temperature of -1°C (31°F) compared to December's -6°C (22°F). While both months experience cold temperatures, March can reach a maximum of 14°C (58°F), whereas December's maximum is limited to 8°C (46°F). Precipitation is heavier in December, totaling 295 mm (11.6 in) over 19 days, in contrast to March's 175 mm (6.9 in) across 15 days. Humidity is also higher in December at 90%, compared to 84% in March. For a closer look at December weather specifics, check out Chamonix-Mont-Blanc weather in December.
As March unfolds in Chamonix-Mont-Blanc, its weather stands out as a transitional bridge between winter and spring. While the temperatures begin to rise, with maximums reaching a mild 14°C, the crisp chill of winter lingers, evidenced by average lows and occasional dips below freezing. This month also welcomes increased precipitation, bringing a mix of refreshing rain and lingering snow, keeping the landscape beautifully vibrant. With humidity levels soaring at 84%, outdoor enthusiasts can expect a unique blend of conditions—ideal for both spring skiing and enjoying the thawing mountain scenery. For a deeper dive into the unique climate patterns of this stunning region, visit Chamonix-Mont-Blanc Climate.