Last updated: March 24, 2025
Experience the enchanting May weather in Courmayeur, Italy, where the temperatures showcase a dynamic range, reaching a pleasant maximum of 19°C (66°F), while the average sits around a crisp 4°C (40°F), and nighttime lows can dip to a chilly -14°C (7°F). Expect 154 mm (6.1 in) of precipitation spread over approximately 20 days, adding a refreshing touch to the alpine landscape. With a humidity level of 78%, the air is often filled with a sense of invigoration, making it the perfect time to explore the breathtaking surroundings of this picturesque mountain town.
In May, Courmayeur begins to shake off the cold grip of winter, showcasing a notable rise in temperatures. The minimum temperature hovers around -14°C (7°F), while the average climbs to a comfortable 4°C (40°F). As the month progresses, maximum daytime temperatures can reach up to 19°C (66°F), inviting the lush greenery of spring to flourish. This warming trend marks a significant shift from the harsh temperatures of previous months, making May an ideal time for outdoor adventures amid the breathtaking Alpine scenery. With longer days and increasingly pleasant weather, visitors can enjoy an invigorating blend of crisp mountain air and the vibrant beauty of nature awakening after winter's slumber.
In May, Courmayeur experiences a notable spike in precipitation, with a total of 154 mm (6.1 in) recorded over 20 days of rainfall, making it the wettest month in the early part of the year. This increase is particularly striking compared to the preceding month of April, which saw just 70 mm (2.8 in) over 10 days. As the spring season unfolds, May’s consistent rain plays a crucial role in nourishing the lush alpine landscape, preparing it for the vibrant summer months ahead. This pattern of heightened precipitation is among the highest in the seasonal transition, hinting at the dynamic weather systems typical of the area, where warmth begins to mingle with lingering cold and moisture.
As spring unfolds in Courmayeur, Italy, May welcomes a noticeable drop in humidity, settling at 78%. This marks a shift from the wetter winter months, where January and February experience humidity levels above 87%. As we transition into summer, June and July continue this trend, further decreasing to 75% and 72% respectively. The gradual decline in humidity not only enhances the comfort of outdoor activities but also signals the onset of warmer and drier weather, making May an ideal time to explore the stunning alpine landscape, free from the heavy moisture of earlier months. Overall, May’s humidity hints at the lush vitality of spring while ushering in the sun-kissed days of summer.
As May dawns in Courmayeur, Italy, the UV Index soars to 10, marking a shift to a very high exposure category that requires vigilant sun protection. This significant increase from April's index of 9 indicates that sunburn can occur in just 15 minutes of unprotected exposure. Following a trend observed over recent months, the UV Index reaches its peak in May, setting the stage for the summer months ahead. As the days grow longer and sunnier, it’s crucial for both residents and visitors to stay informed about UV levels and prioritize skin safety. For more details on UV trends throughout the year, check out Courmayeur UV Index.
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May brings a delightful embrace of sunshine to Courmayeur, Italy, as the hours of sunlight reach an impressive 363 hours. This marks a significant upswing from the previous months, showcasing the gradual shift towards the vibrant summer season. April’s 341 hours hints at the approaching brightness, but it’s in May that the days truly lengthen, inviting visitors to explore the stunning alpine landscapes bathed in golden light. Following May, June hits an even higher note with 395 hours, continuing the trend of abundant sunshine. This increasing luminosity not only enhances the local scenery but also enriches the outdoors experience, drawing travelers to enjoy outdoor activities and bask in the stunning views of the surrounding mountains.
As spring transitions into summer, May in Courmayeur, Italy, presents a 27% chance of sunny weather. This figure marks a notable dip from the higher likelihood of sunshine seen in March and April, which boast chances of 44% and 42%, respectively. Interestingly, the chances of sun in May are consistent with those found in June, suggesting that while the spirit of spring lingers, the warmth of summer has not yet fully settled in. Overall, Courmayeur's weather patterns reveal a journey from the promise of brighter days in the spring to a gradual rise in sunshine as the summer months approach, inviting visitors to embrace the cool mountain air while savoring delightful glimpses of the sun.
In Courmayeur, Italy, the increase in daylight duration from January through May paints a vivid picture of the approaching spring. Starting with only 9 hours in January, the days gradually lengthen, culminating in 14 hours by May. This upward trend not only reflects the natural rhythms of the seasons but also invites residents and visitors alike to embrace outdoor activities as sunlight generously graces the valley. As summer approaches, daylight reaches its peak in June and July, illustrating the beauty of the changing seasons in this enchanting mountain landscape. The transition into autumn brings a gradual decrease, with daylight tapering off to 12 hours in September, before settling back down to 8 hours by December. This pattern of increasing and decreasing daylight not only enhances the scenic allure of Courmayeur but also influences the local lifestyle, inviting a celebration of each season’s unique offerings.
In May, Courmayeur experiences a gentle average wind speed of 1.3 m/s (3 mph), which aligns closely with the calm breezes of the previous spring months. Throughout the year, wind speeds tend to exhibit a subtle fluctuation, with the early year displaying slightly higher figures, while June sees a dip to 1.1 m/s (2 mph), marking the beginning of the warmer season. This consistency in low wind speeds not only contributes to the charming ambiance of May but also sets the stage for outdoor activities, making it a lovely time for nature lovers and adventurers alike to explore the breathtaking landscapes of the Italian Alps. As summer approaches, it's a reminder of the soothing tranquility that Courmayeur offers, with gentle winds ushering in the vibrant energy of the season.
The weather in Courmayeur changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Courmayeur and find detailed weather information for every month.
When comparing the weather in May and January, it's clear that May experiences milder temperatures, ranging from a minimum of -14°C (7°F) to a maximum of 19°C (66°F), with an average of 4°C (40°F). In contrast, January is significantly colder, featuring a minimum temperature of -25°C (-14°F) and a maximum of just 5°C (42°F), with an average of -9°C (15°F). May also sees higher precipitation, totaling 154 mm (6.1 in) over approximately 20 days, while January has slightly less at 139 mm (5.5 in) over only 10 days. Moreover, humidity levels are higher in January at 91%, compared to May’s 78%. For those looking to explore more about January weather, you can check out Courmayeur weather in January.
May and February showcase notable differences in weather patterns. In May, the average temperature rises to a mild 4°C (40°F), with highs reaching 19°C (66°F), while February is much colder, with an average of -6°C (22°F) and maximum temperatures only hitting 8°C (46°F). Precipitation is more frequent in May, occurring on 20 days with a total of 154 mm (6.1 in), compared to February's 99 mm (3.9 in) over just 11 days. Additionally, humidity levels are slightly lower in May at 78% versus February's higher 87%. For more details about February weather, you can visit Courmayeur weather in February.
In comparing the weather of March and May, a significant difference in temperature can be observed. March experiences much colder conditions, with average temperatures around -4°C (26°F) and a minimum temperature plunging to -25°C (-13°F), while May sees a milder average of 4°C (40°F) and maximum temperatures reaching up to 19°C (66°F). Precipitation levels are relatively similar, with May receiving 154 mm (6.1 in) over 20 days, compared to March's 127 mm (5.0 in) across 15 days. Humidity is slightly higher in March at 84%, in contrast to May's 78%, creating a notably different feel for each month. For a detailed look at the conditions in March, you can check out Courmayeur weather in March.
In comparing the weather of May and April, May generally offers milder temperatures with an average of 4°C (40°F), significantly warmer than April's average of 0°C (33°F). While both months have cold minimum temperatures, May's minimum is slightly higher at -14°C (7°F) compared to April's -17°C (2°F). Precipitation is notably higher in May, with 154 mm (6.1 in) falling over 20 days, in contrast to April, which sees 70 mm (2.8 in) over just 10 days. Humidity remains high in both months, but is slightly lower in May at 78%, compared to April's 83%. For more details on the specific weather conditions in April, you can check Courmayeur weather in April.
May and June present notable contrasts in weather patterns. In May, temperatures range from a chilling minimum of -14°C (7°F) to a mild maximum of 19°C (66°F), with an average of 4°C (40°F). The month also experiences considerable precipitation, averaging 154 mm (6.1 in) over 20 days, coupled with high humidity at 78%.
In comparison, June sees a shift towards warmer temperatures, with lows around -3°C (27°F) and highs peaking at 25°C (78°F), resulting in an improved average of 10°C (50°F). The precipitation decreases to 105 mm (4.1 in) over 17 days, and humidity slightly drops to 75%. Overall, June offers a more temperate and drier atmosphere, making it a more appealing month for outdoor activities. For further details, you can check Courmayeur weather in June.
May and July present distinct weather patterns, with May experiencing colder temperatures and higher precipitation levels. The average temperature in May hovers around 4°C (40°F), with a maximum of just 19°C (66°F), while July warms up significantly, featuring an average temperature of 12°C (54°F) and reaching a maximum of 26°C (78°F). Additionally, May is marked by greater humidity at 78% and a higher incidence of rainfall, totaling 154 mm (6.1 in) over 20 days, compared to July's 102 mm (4.0 in) over 16 days with a humidity level of 72%. For more information on the weather in July, refer to this link: Courmayeur weather in July.
In May, the weather is still quite chilly, with average temperatures around 4°C (40°F), fluctuating from a minimum of -14°C (7°F) to a maximum of 19°C (66°F). The month also experiences considerable precipitation, totaling 154 mm (6.1 in) over about 20 days, and high humidity at 78%. In contrast, August offers more temperate conditions, with average temperatures rising to 12°C (54°F) and a peak of 24°C (75°F). Precipitation decreases to 100 mm (4.0 in) over just 14 days, and humidity drops to a more comfortable 63%. For more details on the weather in August, visit Courmayeur weather in August.
In comparing the weather of May and September, one can observe notable differences in temperature and precipitation. May experiences a wider temperature range, with a minimum of -14°C (7°F) and an average of 4°C (40°F), peaking at 19°C (66°F). It also sees considerable rainfall, with 154 mm (6.1 in) over approximately 20 days, resulting in higher humidity levels at 78%. In contrast, September offers milder conditions, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F) and an average of 8°C (47°F). The rain is less abundant, totaling 70 mm (2.7 in) over 13 days, and the humidity slightly decreases to 73%. To learn more about the specific conditions in September, you can visit Courmayeur weather in September.
May and October in Courmayeur present distinct weather characteristics. In May, temperatures range from a chilly -14°C (7°F) at night to a more pleasant maximum of 19°C (66°F), with an average temperature of 4°C (40°F). This month experiences significant rainfall, with 154 mm (6.1 in) over about 20 rainy days, and humidity levels around 78%. In contrast, October features milder temperatures, with minimums of -8°C (17°F) and maximums of 16°C (60°F), averaging 4°C (39°F). The month sees less precipitation at 111 mm (4.4 in) over 12 days and a higher humidity of 89%. For more specific weather details, you can check Courmayeur weather in October.
May and November present contrasting weather patterns, showcasing the transition from spring to late autumn. In May, temperatures typically range from a chilly -14°C (7°F) at night to a pleasant 19°C (66°F) during the day, with an average of 4°C (40°F). While precipitation is relatively high at 154 mm (6.1 in) over about 20 days, the humidity sits at a comfortable 78%.
In contrast, November is colder and drier, with temperatures dipping even further to a minimum of -23°C (-9°F) and a maximum of 12°C (55°F), averaging -3°C (27°F). The month receives less rainfall, totaling 106 mm (4.2 in) over around 14 days, yet the humidity rises to 90%, lending a crispness to the air. For more detailed insights, you can explore Courmayeur weather in November.
May and December present markedly different weather conditions. In May, temperatures range from a minimum of -14°C (7°F) to a maximum of 19°C (66°F), with an average of 4°C (40°F). The month sees a fair amount of precipitation, totaling 154 mm (6.1 in) over 20 days, coupled with a humidity level of 78%. In contrast, December experiences much colder temperatures, with a minimum of -22°C (-7°F), an average of -8°C (19°F), and a maximum of only 4°C (40°F). Precipitation increases to 216 mm (8.5 in) across 17 days, and the humidity rises to 90%. For more details on December weather, you can check Courmayeur weather in December.
As May unfolds in Courmayeur, the weather begins to transition into warmer and more vibrant conditions compared to the earlier months of spring. With temperatures peaking at a pleasant 19°C, this month sees a refreshing uplift in warmth, yet still experiences chilly lows, reminding us of the lingering winter's touch. The increase in precipitation—spreading over approximately 20 days—brings a lushness to the landscape, though humidity remains high at 78%, adding to the vibrant feel of the Alpine air. For those eager to explore Courmayeur's unique climate throughout the year, further details can be found at Courmayeur Climate.