May Weather in Gryon, Switzerland

Last updated: August 27, 2025

May in Gryon, Switzerland unveils a dynamic weather tapestry, featuring maximum temperatures soaring up to 26°C (79°F), yet balancing with a chilly average of 8°C (47°F) and a brisk minimum of -11°C (13°F). The month experiences a significant precipitation total of 211 mm (8.3 in), spread across 20 days, bringing vibrant greenery to the landscape. With humidity levels hovering around 80%, the air is often thick and refreshing, creating a unique ambiance that beautifully captures the essence of late spring in the Alps.

May Temperature in Gryon

In Gryon, Switzerland, May marks a delightful transition from the harsh winter chill to the warmth of summer. With temperatures ranging from a crisp -11°C (13°F) to a pleasant 26°C (79°F), this month showcases a significant rise in warmth compared to the preceding months. The average temperature settles around 8°C (47°F), inviting outdoor adventures amidst blooming landscapes. As spring unfolds, you can feel a pronounced shift; April's lingering cold gives way to more inviting days, making May an ideal time to explore Gryon's stunning vistas and celebrate the refreshing embrace of nature's revival.

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

The chart illustrates May temperature patterns in Gryon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gryon, 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).
JanFebMarAprMayJunJulAugSepOctNovDec212833414756595851443324
Data source: Temperature data for Gryon generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Gryon

In May, Gryon, Switzerland, experiences a notable increase in precipitation, with a substantial 211 mm (8.3 in) of rainfall recorded over 20 days. This marks a significant jump from the preceding month of April, which had only 90 mm (3.5 in) across 13 days. The wet weather pattern in May not only enriches the lush alpine landscape but also sets the stage for a similar trend continuing into June, where the precipitation remains consistent at 211 mm with an equal number of rainy days. This consistent rainfall during late spring plays a crucial role in nourishing the surroundings, leading to vibrant blooms and a thriving ecosystem as summer approaches.

May Precipitation Trends in Gryon

The chart displays monthly precipitation patterns in Gryon, 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 Gryon, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13811514290211211207189120127105228
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Gryon

In May, Gryon, Switzerland experiences a noticeable shift in humidity, dipping to 80%—the lowest level since winter's peak. This reduction continues the downward trend that started in April, where humidity levels remained at 84%. As spring progresses, the air feels more comfortable, hinting at the warmer temperatures ahead. Following May, humidity begins to rise again in June, stabilizing at 82% throughout the summer months. This pattern illustrates a transition from the damp chill of winter to a more moderate and inviting atmosphere, perfect for enjoying the breathtaking alpine scenery.

May Average Humidity in Gryon

This chart illustrates the average monthly humidity levels in Gryon, 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 Gryon is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gryon

As spring gives way to summer in Gryon, Switzerland, the UV Index rises sharply, signaling a significant shift in sun exposure. In May, the UV Index reaches 8, categorized as very high, which dramatically reduces the safe exposure time to just 15 minutes before the risk of sunburn increases. This trend marks a noticeable leap from April's high index of 7 and a further transition towards June's peak at 10. As the days lengthen and the sun's rays intensify, it's essential for residents and visitors alike to stay vigilant and protected during outdoor activities. For more detailed information about UV levels throughout the year, check out Gryon UV Index.

Maximum UV Index Levels in Gryon for May

The chart shows the monthly maximum UV Index (UVI) for Gryon 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 Gryon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Gryon 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 Gryon

In Gryon, Switzerland, May emerges as a beacon of sunshine, boasting an impressive 355 hours of bright skies. Following a progression from 167 hours in January, the month sees a remarkable increase in daylight, peaking just before summer with an abundance of sunshine. As spring transitions into summer, May's sunlight signals the culmination of longer days that commence in late winter, with an upward trend observable from March's 297 hours to April's 354 hours. The continuous rise continues into June, ensuring that Gryon basks in natural light through the warmer months. This gradual increase in sunlight not only enhances the breathtaking alpine scenery but also invites locals and visitors alike to embrace outdoor activities and revel in the beautiful surroundings.

Monthly Sunshine Duration in Gryon: May Highlighted

The May sunshine duration represents the total number of hours Gryon 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.
JanFebMarAprMayJunJulAugSepOctNovDec167h231h297h354h355h394h418h388h330h288h229h197h
Data source: Gryon May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gryon During May

As spring transitions into summer, the likelihood of sunny weather in Gryon, Switzerland, reveals an intriguing trend. May experiences a dip in sunshine, with only a 29% chance of clear skies, marking a notable contrast to the increasing sunshine seen in the preceding months. While April offers a promising 46% chance, May’s reduced sunshine correlates with the unpredictable nature of early summer weather. However, this decline is still part of a broader annual pattern, as the sunny outlook begins to steadily rise again from June onward. So, while May may not shine as brightly, it serves as a transition, paving the way for the sunnier days that follow.

Percentage of Sunny Days in May in Gryon

The chart illustrates the percentage of sunny days in Gryon 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 Gryon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%39%43%46%29%32%33%38%34%46%39%42%
Data source: Gryon May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gryon in May

In Gryon, Switzerland, May marks a delightful transition as daylight extends to an impressive 14 hours, creating an inviting atmosphere for outdoor activities and exploration. This increase follows the steady rise in daylight from 11 hours in March to 13 hours in April, highlighting a stunning growth as spring unfolds into early summer. The trend of increasing daylight hours continues into June and July, reaching a peak of 15 hours, before gently tapering off in the subsequent months. This pattern not only enhances the enjoyment of the breathtaking alpine landscapes but also invites locals and visitors alike to savor the longer, brighter days that May offers.

Average Daylight Hours in Gryon for May

The chart illustrates the variation in daylight duration in Gryon throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 56m13h 34m14h 58m15h 41m15h 18m14h 4m12h 29m10h 52m9h 25m8h 40m
Data source: Gryon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Gryon

In Gryon, Switzerland, the month of May brings a gentle consistency to the wind, with an average speed of 1.3 m/s (3 mph), mirroring the calmer breezes of the previous months. This trend of mild winds, prevalent since March, highlights the serene transition into late spring. As the temperature rises and nature blossoms, the wind continues to whisper softly through the valleys, offering refreshing moments amidst the warmth. Surprisingly, just a month later, in June, the winds shift slightly to an even quieter 1.1 m/s (2 mph), signaling a tranquil start to summer. This overall pattern suggests a remarkable stability in Gryon's wind conditions, perfect for leisurely outdoor activities and enjoying the stunning alpine views.

Average May Wind Speed in Gryon

The chart displays monthly wind speed patterns in Gryon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.31.31.3 m/s1.11.11.21.11.31.31.6
Data source: Gryon May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Gryon Compares to Other Months

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

May and January present starkly contrasting weather conditions. In May, temperatures range from a chilly -11°C (13°F) to a warm 26°C (79°F), with an average of 8°C (47°F). This month experiences significant precipitation, totaling 211 mm (8.3 in) over about 20 days, accompanied by a humidity level of 80%. In contrast, January is much colder, with temperatures plummeting from a minimum of -24°C (-11°F) to a maximum of just 8°C (48°F), and an average of -6°C (22°F). Despite having less rainfall—138 mm (5.4 in) over 10 days—January's humidity is higher at 91%. For more detailed information on January weather, you can check Gryon weather in January.

May and February present quite different weather experiences. May temperatures range from a chilly minimum of -11°C (13°F) to a comfortable maximum of 26°C (79°F), with an average of 8°C (47°F). In contrast, February brims with colder conditions, witnessing temperatures dropping as low as -20°C (-3°F) and peaking at just 14°C (57°F), with an average of -2°C (29°F). While May receives significant precipitation of 211 mm (8.3 in) over 20 days, February sees less rain, totaling 115 mm (4.5 in) over 11 days, albeit with slightly higher humidity at 89%. For more details on February's weather, visit Gryon weather in February.

In the comparison of weather between March and May, May generally presents milder temperatures, with a minimum of -11°C (13°F) and an average of 8°C (47°F), compared to March's colder climate with minimums plunging to -22°C (-8°F) and an average of just 1°C (34°F). While both months experience notable humidity, May's 80% is slightly lower than March's 87%. Precipitation is more prevalent in May, totaling 211 mm (8.3 in) over 20 days, whereas March sees 142 mm (5.6 in) spread across 15 days. For a detailed look at March conditions, you can visit Gryon weather in March.

May typically brings warmer temperatures compared to April, with average highs reaching 26°C (79°F) as opposed to April's maximum of 20°C (68°F). However, May also experiences higher precipitation, totaling 211 mm (8.3 in) over 20 days, while April records just 90 mm (3.5 in) over 13 days. The humidity levels are slightly lower in May at 80%, compared to April's 84%, which may contribute to the overall feel of the weather. For more details on April conditions, you can check Gryon weather in April.

In May, the weather is characterized by a wider temperature range with minimums dipping to -11°C (13°F) and maximums reaching up to 26°C (79°F), resulting in an average temperature of 8°C (47°F). The month experiences significant precipitation, totaling 211 mm (8.3 in) over 20 days, with humidity levels around 80%.

In contrast, June sees a noticeable warming trend, with minimum temperatures rising to -1°C (30°F) and maximums climbing to 30°C (85°F), leading to an average of 13°C (56°F). Precipitation remains consistent at 211 mm (8.3 in) across the same 20 days, while humidity slightly increases to 82%. For more detailed insights, you can check the Gryon weather in June.

In May, temperatures in Gryon range from a chilly minimum of -11°C (13°F) to a warm maximum of 26°C (79°F), with an average temperature of 8°C (47°F). The month experiences significant precipitation, totaling 211 mm (8.3 in) over 20 rainy days, contributing to a high humidity level of 80%.

In contrast, July shows a milder temperature range, with a minimum of 2°C (36°F) and a maximum of 28°C (83°F), while the average temperature rises to 15°C (59°F). Although July has slightly less precipitation at 206 mm (8.1 in) across 17 days, the humidity remains high at 82%. For more information on July weather in Gryon, you can visit Gryon weather in July.

The weather in May is marked by a wider temperature range, with minimums dropping to -11°C (13°F) and maximums reaching up to 26°C (79°F), leading to an average temperature of 8°C (47°F). May experiences significant precipitation, totaling 211 mm (8.3 in) over approximately 20 days, and humidity levels are relatively high at 80%. In contrast, August offers milder conditions, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 27°C (81°F), resulting in an average of 14°C (58°F). The month sees slightly less precipitation at 189 mm (7.4 in) over 16 days, and humidity decreases to 77%. For a detailed look at August weather, check out Gryon weather in August.

May and September present a transitional aspect of weather, showcasing both similarities and differences. May typically experiences a wider temperature range, with minimums plunging to -11°C (13°F) and maximums peaking at 26°C (79°F). In contrast, September features milder conditions, with minimum temperatures around -5°C (24°F) and maximums at 23°C (74°F). Precipitation also varies significantly; May is much wetter, receiving 211 mm (8.3 in) over 20 days, while September sees less rain at 120 mm (4.7 in) across 15 days. Interestingly, both months exhibit high humidity levels, hovering around 80% in May and slightly higher at 81% in September. For more detailed insights into September's weather, you can visit Gryon weather in September.

May and October present distinct weather characteristics, reflecting the transition from spring to autumn. In May, temperatures can range from a chilly -11°C (13°F) at night to a warm 26°C (79°F) during the day, with an average of 8°C (47°F). This month is also quite wet, receiving about 211 mm (8.3 in) of precipitation over approximately 20 days, accompanied by a humidity level of 80%. In contrast, October sees slightly milder temperatures, with a minimum of -5°C (23°F) and a maximum of 20°C (68°F), averaging around 7°C (44°F). The precipitation decreases to 127 mm (5.0 in) over about 13 days, and humidity rises to 89%. For more details on October weather in Gryon, check out Gryon weather in October.

May and November present contrasting weather conditions. In May, temperatures range from a minimum of -11°C (13°F) to a pleasant average of 8°C (47°F), peaking at a maximum of 26°C (79°F). This month typically sees significant rainfall, with precipitation totals reaching 211 mm (8.3 in) over approximately 20 days, alongside a humidity level of 80%. In contrast, November brings colder temperatures, with a minimum of -17°C (1°F) and an average of just 1°C (33°F), climbing to a maximum of 17°C (63°F). Although November experiences lower total precipitation of 105 mm (4.1 in) over 12 days, it is characterized by higher humidity at 89%. For more detailed insights, check out Gryon weather in November.

May and December present stark contrasts in weather conditions. In May, temperatures range from a chilly minimum of -11°C (13°F) to a pleasant average of 8°C (47°F), peaking at a warm 26°C (79°F). The month sees 211 mm (8.3 in) of precipitation over 20 days, while humidity hovers around 80%. In contrast, December is significantly colder, with temperatures plummeting to a minimum of -25°C (-13°F) and an average of -4°C (24°F), reaching a maximum of only 9°C (48°F). It experiences similar precipitation levels at 228 mm (9.0 in) across 18 days, coupled with higher humidity at 91%. For more insights, you can explore Gryon weather in December.

Compare Gryon's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Gryon

May in Gryon emerges as a vibrant transition month, marked by a gentle warming after the chill of winter. While the average temperature reflects a significant leap from the frigid lows of previous months, it still plays host to quirky fluctuations, making it not quite summer yet. With humidity levels around 80% and an average of 20 rainy days, May often feels more like a dance between sun and showers, setting the stage for the flourishing landscapes ahead. To explore the distinct patterns that define this month further, visit Gryon Climate.