May Weather in Airolo, Switzerland

Last updated: August 27, 2025

In May, Airolo, Switzerland experiences a dynamic transition into warmer weather, with temperatures ranging from a maximum of 16°C (62°F) to a minimum of -11°C (13°F). The month averages a chilly 3°C (37°F), reflective of its alpine climate. Rainfall is notable, with 164 mm (6.5 in) spread over 20 days, leading to a high humidity level of 80%. Such conditions create a lush, vibrant landscape, ideal for outdoor activities and exploring the stunning natural beauty of the region while embracing the lingering freshness of spring.

May Temperature in Airolo

In Airolo, Switzerland, May marks a notable transition as the region begins to shake off the icy grips of winter. With temperatures ranging from a minimum of -11°C (13°F) to a max of 16°C (62°F), May presents a refreshing departure from the colder months. The average temperature settles around 3°C (37°F), indicating the arrival of more moderate weather. This month serves as a bridge between the lingering chill of spring and the warm embrace of summer, highlighted by a steady rise in temperatures from April’s frosty -1°C (30°F) average. As nature awakens, the landscapes transform, showcasing the breathtaking beauty of the Swiss Alps in a vibrant embrace of spring.

May Weather in Airolo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Airolo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Airolo, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec151923303748515044352518
Data source: Temperature data for Airolo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Airolo

May in Airolo, Switzerland, marks a significant increase in precipitation, with 164 mm (6.5 in) recorded over 20 days of rainfall. This surge not only highlights a transition from the more moderate April showers but also sets the stage for the wetter months ahead, as June and July typically follow with even higher totals. In fact, May's precipitation is notably more intense compared to its immediate predecessors, emphasizing a distinct trend of increasing moisture as spring gives way to summer. As the landscape flourishes under the nourishing rains, this month becomes a vital contributor to the region's lush greenery, showcasing the beauty of nature's cycles.

May Precipitation Trends in Airolo

The chart displays monthly precipitation patterns in Airolo, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Airolo, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12983126129164203215256146228154182
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Airolo

As May approaches in Airolo, Switzerland, the air begins to feel a bit lighter with an average humidity of 80%, marking a gradual decline from the wetter winter months. This drop is a part of a broader trend, as humidity levels have steadily decreased from 92% in January to 84% in April, signaling the shift from the chilly season to the warmth of spring. While June sees a slight uptick with humidity rising to 82%, the overall pattern indicates that Airolo enjoys relatively mild humidity levels during May. This creates a refreshing atmosphere, perfect for enjoying the burgeoning natural beauty of the region as flowers bloom and the landscape comes alive.

May Average Humidity in Airolo

This chart illustrates the average monthly humidity levels in Airolo, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Airolo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Airolo

In May, Airolo, Switzerland experiences a significant rise in UV exposure, with a UV Index of 10, placing it in the very high category and resulting in a burn time of just 15 minutes. This increase continues the upward trend set in April, where the index reached 8, emphasizing the importance of sun protection as spring transitions towards summer. Notably, the preceding months show a gradual escalation from a moderate index of 3 in January to a high level in March, highlighting the intensifying sunlight as days lengthen. As summer approaches, the UV Index peaks in the following months, making it crucial for residents and visitors to stay informed and take protective measures. For more detailed insights into the UV levels, check out Airolo UV Index.

Maximum UV Index Levels in Airolo for May

The chart shows the monthly maximum UV Index (UVI) for Airolo in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Airolo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810111097632
Data source: Airolo May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Airolo

May in Airolo, Switzerland, shines brightly with 362 hours of sunlight, marking a delightful transition into the summer months. This increase follows the consistent upward trend from April’s 346 hours, as the region awakens to warmer days. The months preceding May, while offering the allure of winter, reveal a gradual rise in sunshine hours—starting at 179 hours in January and climbing steadily to 236 hours in February, 307 hours in March, and finally, a blooming April. As Airolo embraces May, the sun's embrace continues to strengthen, paving the way for June's impressive 389 hours. This pattern not only enhances the allure of outdoor adventures but also signifies the joyful anticipation of a vibrant summer ahead in this picturesque Swiss paradise.

Monthly Sunshine Duration in Airolo: May Highlighted

The May sunshine duration represents the total number of hours Airolo experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec179h236h307h346h362h389h415h377h318h281h221h203h
Data source: Airolo May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Airolo During May

In Airolo, Switzerland, the likelihood of sunny weather in May presents a notable shift compared to the earlier months of the year. While January sees only an 18% chance of sunshine, this figure rises steadily through February and March, peaking at 39% in March before dipping slightly to 37% in April. As we transition into May, the probability of sunny days drops to 25%, which is a significant decrease compared to the preceding spring months. Notably, this shift is indicative of the variable weather patterns in the region, with sunny days becoming less frequent as the summer approaches, evident in the 21% chance of sunshine in June. Thus, while May offers a decent chance for pleasant weather, it's wise to brace for some unpredictability as the season evolves.

Percentage of Sunny Days in May in Airolo

The chart illustrates the percentage of sunny days in Airolo throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Airolo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%32%39%37%25%21%23%33%20%36%27%35%
Data source: Airolo May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Airolo in May

As spring transitions into summer in Airolo, Switzerland, May stands out with its vibrant 15 hours of daylight, marking a clear shift towards the longest days of the year. This increase in sunlight begins in April with 13 hours, and by May, residents and visitors alike can bask in the longer evenings, a stark contrast to the 9 hours of daylight seen in January and November. The progression from 10 hours in February to a peak in June underscores a steady build-up of daylight, allowing more time for outdoor activities and soaking in the breathtaking alpine scenery. After May, daylight remains abundant through July and August, slowly tapering off as autumn draws near. This rhythmic cycle not only enhances the beauty of nature but also invites a sense of renewal and growth, embodying the essence of the changing seasons in this picturesque Swiss locale.

Average Daylight Hours in Airolo for May

The chart illustrates the variation in daylight duration in Airolo throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 2m10h 19m11h 56m13h 35m15h15h 43m15h 20m14h 5m12h 29m10h 51m9h 24m8h 38m
Data source: Airolo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Airolo

In Airolo, Switzerland, May brings a gentle breath of wind, with an average speed of 1.6 m/s (4 mph), matching the calm breezes of both March and April. This stable wind pattern indicates a transition into the warmer months, as May showcases a continuity in light winds that are neither too brisk nor too still. Following May, June sees a slight dip to 1.5 m/s (3 mph), hinting at a gradual shift towards the quiet summer days. Overall, the consistent wind speeds during spring create a serene atmosphere, perfect for outdoor activities amidst Airolo's stunning Alpine backdrop.

Average May Wind Speed in Airolo

The chart displays monthly wind speed patterns in Airolo, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.31.61.61.6 m/s1.51.51.41.21.71.51.8
Data source: Airolo May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Airolo Compares to Other Months

Weather in Airolo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Airolo, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January exhibit markedly different weather patterns. In May, temperatures range from a chilly -11°C (13°F) at night to a moderate 16°C (62°F) during the day, with an average of 3°C (37°F). The month sees significant precipitation, totaling 164 mm (6.5 in) over about 20 days, accompanied by a humidity level of 80%. In contrast, January is much colder, with temperatures dipping as low as -23°C (-9°F) and peaking at just 2°C (36°F), yielding an average temperature of -10°C (15°F). Despite having less precipitation at 129 mm (5.1 in) over 12 days, January's higher humidity of 92% adds to the chill. For more details, you can check Airolo weather in January.

In comparing the weather between May and February, we see a significant difference in temperature and overall conditions. May features a milder climate with average temperatures around 3°C (37°F) and a maximum of 16°C (62°F), while February is much colder, with average temperatures hovering around -7°C (20°F) and reaching a maximum of just 7°C (45°F). Additionally, precipitation in May is considerably higher at 164 mm (6.5 in) over 20 days, compared to February’s 83 mm (3.3 in) during 12 days. Humidity levels are slightly lower in May at 80%, whereas February tends to be more humid at 89%. For more insights on February weather, you can visit Airolo weather in February.

In comparing the weather of March and May, one can observe significant differences. March tends to be much colder, with temperatures ranging from a minimum of -24°C (-11°F) to a maximum of 10°C (50°F), averaging -5°C (23°F). In contrast, May experiences milder temperatures, with a minimum of -11°C (13°F), an average of 3°C (37°F), and a maximum reaching 16°C (62°F). Precipitation is notable in both months, with March receiving 126 mm (5.0 in) over 15 days, while May has higher precipitation at 164 mm (6.5 in) spread over 20 days. Additionally, March is slightly more humid, with levels around 87%, compared to May's 80%. For more details about March weather, you can visit Airolo weather in March.

In comparing the weather between April and May, May generally offers milder temperatures, with a minimum of -11°C (13°F) and an average of 3°C (37°F), while April experiences colder conditions, with a minimum of -17°C (1°F) and an average of -1°C (30°F). The maximum temperature in May reaches a comfortable 16°C (62°F), contrasted with April's maximum of 11°C (52°F). In terms of precipitation, May is wetter, receiving 164 mm (6.5 in) over 20 days, compared to April's 129 mm (5.1 in) across just 12 days. Despite May being more humid at 80%, April has slightly higher humidity at 84%. For more details on April weather, you can check Airolo weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of -11°C (13°F) to a maximum of 16°C (62°F), with an average of 3°C (37°F). It experiences significant precipitation, totaling 164 mm (6.5 in) over 20 days, accompanied by high humidity at 80%. In contrast, June sees a milder climate, with temperatures fluctuating between -3°C (27°F) and a peak of 26°C (79°F), resulting in a warmer average of 9°C (48°F). Although it has higher precipitation at 203 mm (8.0 in) over 19 days, humidity rises slightly to 82%. Overall, June presents a more moderate temperature range, while May is markedly cooler. For more insights on weather specifics, check out Airolo weather in June.

In May, temperatures in Airolo range from a chilly minimum of -11°C (13°F) to a comfortable maximum of 16°C (62°F), with an average of 3°C (37°F). The month sees significant precipitation, totaling 164 mm (6.5 in) over 20 days, and a humidity level of 80%. In contrast, July experiences milder temperatures, with a minimum of 0°C (33°F), an average of 11°C (51°F), and a maximum of 22°C (72°F). Precipitation increases to 215 mm (8.5 in) across 21 days, coinciding with a slight rise in humidity to 83%. For more detailed information, you can check out the Airolo weather in July.

May and August weather in Airolo presents a notable contrast in temperatures and precipitation. In May, the minimum temperature can drop to a chilly -11°C (13°F), with an average of 3°C (37°F) and a maximum of 16°C (62°F). The month is characterized by significant precipitation, totaling 164 mm (6.5 in) over 20 days, accompanied by 80% humidity. In contrast, August experiences milder temperatures, ranging from a minimum of -1°C (31°F) to a maximum of 21°C (70°F), with an average of 10°C (51°F). This month sees an increase in rainfall, amounting to 256 mm (10.1 in) over 21 days, yet retains the same humidity level of 80%. For a detailed look at the weather in August, you can visit Airolo weather in August.

In May, temperatures start to warm up, showcasing a range that spans from a chilly -11°C (13°F) to a comfortable max of 16°C (62°F), with an average of 3°C (37°F). However, this month experiences significant rainfall, with 164 mm (6.5 in) spread over 20 days, contributing to a humid atmosphere with an average humidity of 80%.

Conversely, September sees a gradual transition into fall, featuring slightly higher average temperatures, peaking at 18°C (65°F) while maintaining a similar minimum of -11°C (13°F) and an average of 7°C (44°F). Precipitation amounts are slightly lower at 146 mm (5.7 in), occurring over 16 days, and the humidity edges up to 83%.

For more detailed information, check out Airolo weather in September.

In comparing the weather of May and October, both months feature cold temperatures, but October tends to be slightly chillier. May sees minimum temperatures around -11°C (13°F) and averages of 3°C (37°F), while October drops to a minimum of -12°C (10°F) with an average of 2°C (35°F). Precipitation levels are notably higher in October, with 228 mm (9.0 in) over 13 days, compared to May's 164 mm (6.5 in) spread over 20 days. Humidity is also higher in October at 90%, compared to May's 80%. For more detailed insights on October weather, you can refer to this link: Airolo weather in October.

In May, the weather is notably milder compared to November, with average temperatures ranging from -11°C (13°F) at night to a pleasant 16°C (62°F) during the day. However, May experiences significant precipitation, accumulating around 164 mm (6.5 in) over approximately 20 days, with humidity levels sitting at 80%.

In contrast, November is much colder, with average temperatures dropping to -4°C (25°F), and daytime highs reaching only up to 9°C (48°F). Although the total precipitation is slightly lower at 154 mm (6.0 in) over 15 days, the humidity is higher at 88%. For those looking to explore the weather in this cooler month, more details can be found in Airolo weather in November.

In May, temperatures range from a chilly -11°C (13°F) at night to a pleasant 16°C (62°F) during the day, with an average of 3°C (37°F). The month brings significant precipitation of 164 mm (6.5 in) over approximately 20 days, accompanied by a humidity level of 80%. In contrast, December sees even colder conditions, with temperatures dropping to a minimum of -21°C (-5°F) and averaging around -8°C (18°F), peaking at just 3°C (38°F). Although December has slightly higher precipitation at 182 mm (7.2 in) over 18 days, the humidity rises to 90%. For a more detailed look at December weather, visit Airolo weather in December.

Compare Airolo's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Airolo

As May rolls into Airolo, the weather transforms significantly compared to the earlier months of the year. Temperatures begin to rise, presenting a pleasant contrast to the chilly conditions of winter, creating an inviting atmosphere for outdoor adventures. However, with an average humidity of 80% and frequent rain—spanning about 20 days—May can feel quite damp and cool, even as temperatures flirt with the mid-teens. This blend of warmth and precipitation sets the stage for lush greenery, making it a unique experience amid the Swiss landscape. For a deeper dive into Airolo's climate patterns, check out Airolo Climate.