May Weather in Gersau, Switzerland

Last updated: August 27, 2025

Gersau, Switzerland, in May experiences a captivating blend of weather characteristics that define the beauty of spring. With maximum temperatures reaching 27°C (80°F), the days offer warmth and vibrancy, while the average temperature hovers around a cool 10°C (51°F), creating a refreshing atmosphere. However, residents and visitors should be prepared for the potential chill of the night as temperatures can dip to a minimum of -7°C (19°F). This month also sees approximately 163 mm (6.4 in) of precipitation over 19 days, contributing to the lush greenery that thrives in the region. Coupled with a humidity level of 80%, the weather in Gersau is both invigorating and serene, making it an enchanting destination for nature lovers.

May Temperature in Gersau

As May arrives in Gersau, Switzerland, residents and visitors alike can expect a delightful shift in temperatures that signal the full bloom of spring. The month opens with a minimum temperature of -7°C (19°F) and gradually warms, reaching an average of 10°C (51°F), with daytime highs peaking at 27°C (80°F). This marked increase from the preceding months showcases a notable transition from winter's chill to the warmth of late spring, inviting outdoor adventures and scenic explorations. Compared to April's average of 7°C (45°F), May feels positively balmy, offering longer days and ample sunshine. The emerging vibrant landscape, combined with these pleasant temperatures, makes Gersau an ideal destination for those looking to soak in the beauty of the Swiss Alps during this enchanting time of year.

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

The chart illustrates May temperature patterns in Gersau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gersau, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303438445160636356483933
Data source: Temperature data for Gersau 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 Gersau

May in Gersau, Switzerland, is marked by a significant uptick in precipitation, with the month recording 163 mm (6.4 in) of rain over a total of 19 days. This increase reflects a transition into the more humid summer months, as May's precipitation is notably higher than the preceding months of January through April, which consistently averaged well below 130 mm. The trend continues into June and July, which see even greater amounts of rainfall, indicating that May serves as a precursor to the wetter summer season. With 19 rainy days in May, residents and visitors alike can expect a lush and vibrant landscape, as the abundant rainfall nurtures the surrounding nature, setting the stage for the blooming beauty typical of this picturesque region.

May Precipitation Trends in Gersau

The chart displays monthly precipitation patterns in Gersau, 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 Gersau, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec144106127104163189190203146165102171
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gersau

In Gersau, Switzerland, the month of May marks a subtle shift in humidity levels, as it dips to 80%, a notable decrease from the preceding months. As winter transitions into spring, humidity gradually declines, moving from a lofty 92% in January to a more moderate level by May. This trend of diminishing humidity continues into the summer months, with June and July hovering around 82% and 83%, respectively. It appears that the onset of warmer weather brings about a slight easing in the area's moisture levels, creating a comfortable atmosphere that persists into the height of summer, before rising again in the autumn months.

May Average Humidity in Gersau

This chart illustrates the average monthly humidity levels in Gersau, 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 Gersau 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 Gersau

As spring unfolds in Gersau, Switzerland, the UV Index climbs significantly by May, reaching a striking value of 8—indicating a very high exposure category. This sharp increase provides a stark contrast to the cooler months where the Index hovered around 2 to 6. With a burn time of only 15 minutes, it's crucial for residents and visitors to be mindful of sun protection during this time. Following May, both June and July maintain a peak UV Index of 9, emphasizing that the summer months demand heightened vigilance against UV exposure. Embrace the sunshine, but don’t forget your sunscreen! For detailed information on UV levels throughout the year, check out Gersau UV Index.

Maximum UV Index Levels in Gersau for May

The chart shows the monthly maximum UV Index (UVI) for Gersau 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 Gersau typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Gersau 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 Gersau

In the charming town of Gersau, Switzerland, May shines brightly as a gateway into summer, boasting an impressive 370 hours of sunshine. Following the steady increase from the colder months, where January starts with a modest 164 hours, each subsequent month reveals a notable upward trend, particularly from April's 358 hours. This delightful surge culminates in June, which reaches its peak at 385 hours, inviting locals and visitors alike to bask in the warmth and beauty of the region. As the days lengthen and the sun becomes a more prominent feature in daily life, May serves as a vibrant reminder of the approaching summer, where sunlight transforms the stunning landscapes into picturesque vistas, perfect for outdoor adventures.

Monthly Sunshine Duration in Gersau: May Highlighted

The May sunshine duration represents the total number of hours Gersau 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h228h300h358h370h385h415h384h320h279h219h185h
Data source: Gersau May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gersau During May

As spring unfolds in Gersau, Switzerland, the transition from winter to warmer months brings a noticeable increase in sunny days. May sees a 29% chance of sunshine, which, while lower than the preceding months of April and March, still hints at the delightful outdoor experiences awaiting residents and visitors. This dip in sunny probabilities contrasts with the emerging warmth of summer, exemplified by the slight uptick in June where the likelihood rises to 30%. Overall, while May may not boast the sunniest outlook of the year, it stands as a pivotal month where the charm of the Swiss Alps begins to flourish, creating an inviting atmosphere for exploring the picturesque landscape.

Percentage of Sunny Days in May in Gersau

The chart illustrates the percentage of sunny days in Gersau 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 Gersau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%35%42%44%29%30%31%33%34%35%23%29%
Data source: Gersau May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gersau in May

In Gersau, Switzerland, the arrival of May heralds a delightful increase in daylight, offering approximately 15 hours of sunshine each day. This is a significant jump from January’s mere 8 hours and signals the transition into the vibrant summer months. As spring unfolds, daylight steadily grows from 11 hours in March to 13 in April, setting the stage for May's bountiful radiance. Following May, daylight remains consistently plentiful through June and July, with 15 hours of sunlight, before gradually tapering off in the fall. This trend of increasing daylight not only lifts spirits but also invites outdoor adventures, making Gersau a picturesque haven during this blossoming season.

Average Daylight Hours in Gersau for May

The chart illustrates the variation in daylight duration in Gersau throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 58m10h 17m11h 56m13h 37m15h 4m15h 48m15h 25m14h 7m12h 30m10h 49m9h 20m8h 33m
Data source: Gersau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Gersau

In Gersau, Switzerland, May brings a refreshing average wind speed of 1.6 m/s (4 mph), matching the gentle breezes of January and February. As spring unfolds, the winds remain relatively steady, hinting at a transition towards the warmer summer months. Notably, the winds slightly decline into June and July, settling at 1.3 m/s (3 mph), which indicates a serene atmosphere perfect for enjoying the picturesque landscapes. Interestingly, the consistent wind patterns throughout early spring suggest a tranquil environment, making May an ideal choice for outdoor activities amidst the blooming flora. Overall, this stability in wind speed adds to the charm of Gersau, inviting visitors to bask in its natural beauty.

Average May Wind Speed in Gersau

The chart displays monthly wind speed patterns in Gersau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.61.41.51.6 m/s1.31.31.21.21.41.31.4
Data source: Gersau May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Gersau Compares to Other Months

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

In May, temperatures begin to warm up, fluctuating from a chilly minimum of -7°C (19°F) to a pleasant average of 10°C (51°F), peaking at a maximum of 27°C (80°F). The month experiences about 163 mm (6.4 in) of precipitation over approximately 19 days, with humidity levels around 80%. In contrast, January presents a much colder climate, with temperatures ranging from a minimum of -15°C (5°F) to an average of -1°C (30°F), and a maximum of 11°C (52°F). It has slightly lower precipitation at 144 mm (5.7 in) over 13 days, though the humidity is higher at 92%. To explore more about January weather, you can visit Gersau weather in January.

May and February present contrasting weather patterns. In May, temperatures range from a chilly -7°C (19°F) at night to a warm 27°C (80°F) during the day, with an average of 10°C (51°F). This month also experiences considerable precipitation, amounting to 163 mm (6.4 in) over 19 days, contributing to a humidity level of 80%. Conversely, February remains much colder, with temperatures dipping as low as -19°C (-1°F) and averaging around 1°C (34°F). Although February is drier with 106 mm (4.2 in) of precipitation over 12 days, it maintains a higher humidity level of 89%. For more detail on February weather in Gersau, you can visit Gersau weather in February.

When comparing the weather in March and May, notable differences emerge. March features cooler temperatures, ranging from a minimum of -15°C (6°F) to a maximum of 18°C (64°F), with an average of only 3°C (38°F). In contrast, May offers a much warmer climate, with temperatures dipping to -7°C (19°F) at the lowest and soaring to 27°C (80°F) at the highest, and an average of 10°C (51°F). Precipitation in March totals 127 mm (5.0 in) over approximately 17 days, while May experiences more rainfall at 163 mm (6.4 in) over 19 days. Additionally, humidity levels are slightly higher in March at 87%, compared to 80% in May. For more details about March weather, you can visit Gersau weather in March.

In comparing the weather of May and April, May tends to be warmer with an average temperature of 10°C (51°F), compared to April's average of 7°C (45°F). Both months start with a minimum temperature of -7°C (19°F), but May sees a higher maximum temperature of 27°C (80°F) versus April's 22°C (71°F). However, May is significantly wetter, experiencing 163 mm (6.4 in) of precipitation over 19 days, while April has only 104 mm (4.1 in) over 12 days. Humidity is slightly lower in May at 80%, compared to April's 84%. For more detailed information, you can check Gersau weather in April.

May and June present a noticeable shift in weather conditions. In May, temperatures range from a chilly minimum of -7°C (19°F) to a pleasant maximum of 27°C (80°F), with an average of 10°C (51°F). The month is relatively wet, with 163 mm (6.4 in) of precipitation spread over 19 days and humidity levels sitting at 80%.

In contrast, June sees a minimum temperature of 4°C (39°F), an average of 16°C (60°F), and a maximum reaching up to 31°C (88°F). While June experiences slightly more precipitation at 189 mm (7.4 in) over just 18 days, humidity increases slightly to 82%. For a detailed look at weather patterns, check out this link: Gersau weather in June.

May and July showcase distinct weather patterns, with May experiencing a wider temperature range from a minimum of -7°C (19°F) to a maximum of 27°C (80°F), while July's temperatures are generally milder, ranging from 7°C (45°F) to 31°C (87°F). Precipitation is slightly higher in July at 190 mm (7.5 in), compared to 163 mm (6.4 in) in May, although both months have similar numbers of rainy days, 19 in May versus 18 in July. Humidity levels also rise slightly in July, reaching 83% compared to May's 80%. For more specific details about local conditions, check out Gersau weather in July.

In May, temperatures can be quite variable, ranging from a chilly minimum of -7°C (19°F) to a comfortable maximum of 27°C (80°F), with an average temperature of 10°C (51°F). The month experiences significant precipitation, totaling 163 mm (6.4 in) over 19 days, maintaining a consistent humidity level of 80%.

In contrast, August presents a milder climate with minimum temperatures starting at 7°C (45°F) and maximum temperatures reaching up to 29°C (84°F), giving an average of 17°C (63°F). Precipitation also increases slightly to 203 mm (8.0 in) over 18 days, while humidity remains steady at 80%. For more detailed insights, check out Gersau weather in August.

In May, temperatures tend to range from a chilly -7°C (19°F) at their lowest to a pleasant 27°C (80°F) at their highest, averaging around 10°C (51°F). The month experiences considerable rainfall, with a total precipitation of 163 mm (6.4 in) over approximately 19 days and humidity levels around 80%. In contrast, September sees milder temperatures, with a minimum of 1°C (34°F), an average of 13°C (56°F), and a maximum of 25°C (77°F). The precipitation in September is slightly lower at 146 mm (5.8 in) over 15 days, while humidity rises slightly to 83%. For more details about September weather, you can check Gersau weather in September.

In May, temperatures range from a chilly -7°C (19°F) at night to a warm 27°C (80°F) during the day, with an average of 10°C (51°F). The month is characterized by significant rainfall, totaling 163 mm (6.4 in) across about 19 days, and the humidity remains relatively high at 80%. In contrast, October sees cooler temperatures, with a minimum of 1°C (34°F), an average of 9°C (49°F), and a maximum of 20°C (68°F). Although October has slightly more rainfall at 165 mm (6.5 in) over 14 days, the humidity rises to 90%, creating a damp atmosphere. For more detailed insight into October's weather, you can visit Gersau weather in October.

May and November showcase distinct weather characteristics in Gersau. In May, temperatures range from a minimum of -7°C (19°F) to a maximum of 27°C (80°F), with an average of 10°C (51°F), making it a month of significant warmth and variability. However, it also sees substantial precipitation, with 163 mm (6.4 in) spread over 19 days and humidity levels around 80%.

In contrast, November features cooler average temperatures, peaking at 19°C (66°F) and averaging 4°C (39°F), while still experiencing a minimum of -7°C (19°F). Precipitation is lower at 102 mm (4.0 in) across 14 days, although humidity rises to 88%. For more detailed insights on November weather, you can check Gersau weather in November.

May and December in Gersau present contrasting weather conditions. In May, temperatures range from a chilly minimum of -7°C (19°F) to a pleasant maximum of 27°C (80°F), with an average temperature of 10°C (51°F). The month features 19 rainy days, accumulating 163 mm (6.4 in) of precipitation and an average humidity of 80%. In contrast, December sees colder temperatures, with a minimum of -11°C (12°F) and a maximum of 11°C (52°F), resulting in an average temperature of just 1°C (33°F). While the precipitation increases slightly to 171 mm (6.7 in), it falls over 18 days, and the humidity is a bit higher at 90%. For more details, you can check the Gersau weather in December.

Compare Gersau's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Gersau

In May, Gersau experiences a distinct shift in weather, characterized by milder temperatures and increased humidity compared to earlier spring months. The gradual warming leads to an inviting atmosphere where daytime highs can reach a pleasant 27°C (80°F), while nighttime lows still remind us of the lingering chill with temperatures dipping near freezing. This month also brings a noticeable uptick in precipitation, marking 19 days of rainfall that nourish the breathtaking landscapes of the region. As the air feels heavier with an 80% humidity level, May sets the stage for the lush greenery and vibrant blooms typical of a Swiss spring. For a detailed exploration of what to expect throughout the year, check out Gersau Climate.