Last updated: August 27, 2025
May in Bellevue, Switzerland showcases a diverse climate experience, with temperatures ranging from a chilly -1°C (30°F) at night to an invigorating peak of 29°C (84°F) during the day. The average temperature settles at a comfortable 13°C (55°F), inviting a mix of outdoor activities. However, prepare for frequent showers, as the month sees 172 mm (6.8 in) of precipitation across 16 days, contributing to a humid atmosphere with an average humidity level of 80%. Whether you prefer basking in the sunshine or enjoying the freshness of rainy days, May has something for everyone in this picturesque Swiss locale.
As May arrives in Bellevue, Switzerland, the temperatures begin to rise significantly, marking a transition into warmer months. With a minimum of -1°C (30°F) and an average of 13°C (55°F), the charm of spring is fully embraced. Daytime highs can reach up to 29°C (84°F), making it one of the warmest months of the year thus far. This sharp increase from the cooler preceding months—where averages hovered around 1°C to 10°C—highlights the unmistakable shift in climate. The blossoming greenery and longer daylight hours create a vibrant atmosphere, drawing both locals and tourists outside to enjoy the stunning natural landscape as the temperatures encourage outdoor activities and gatherings. Overall, May in Bellevue perfectly balances pleasant warmth with the freshness of early spring.
In May, Bellevue, Switzerland, experiences a significant uptick in precipitation, with 172 mm (6.8 in) recorded over 16 days of rain. This makes May the wettest month in the early part of the year, following a much drier April that only saw 67 mm. This trend reflects a shift into the lush growth of spring, as rainfall peaks during this month, nourishing the vibrant landscapes. As summer approaches, the precipitation begins to ease slightly, with June seeing a decrease to 121 mm, indicating a transition toward drier and sunnier days ahead.
In Bellevue, Switzerland, May showcases a notable shift in humidity, dropping to 80% after the wetter months of winter and early spring. This signifies a gradual decline from the 91% humidity of January, easing to 84% in April. While the moisture levels in May remain relatively high compared to the summer months ahead, this dip hints at the approaching warmer, more temperate days of June and July, when humidity stabilizes around 82%. As the year unfolds, Bellevue transitions from the cozy, damp chill of winter to a more refreshing and vibrant atmosphere, making May a delightful prelude to the sun-kissed summer season.
As May unfolds in Bellevue, Switzerland, the UV Index reaches a significant 8, indicating a state of very high exposure. This marks a notable increase from previous months, signaling that sun safety becomes essential as burn time drops to just 15 minutes. Following the gradual rise in the UV Index from a comfortable 2 in January to 3 in February, and then peaking at 7 in April, May's intense UV levels call for caution. Residents and visitors alike should take extra precautions, such as wearing sunscreen and protective clothing, as summer approaches. Keep track of the changing UV Index throughout the season by checking Bellevue UV Index for the most accurate updates on safe sun exposure.
UV Risk Categories
In the picturesque setting of Bellevue, Switzerland, May shines brightly as a pivotal moment in the transition to summer, boasting an impressive 352 hours of sunshine. This marks a slight increase from April's 351 hours, indicating that the days are not only longer but also more radiant as spring unfolds. The trend continues into June, where the sunshine peaks at 394 hours, paving the way for summer's warm embrace. Interestingly, after a gradual increase from the beginning of the year, the sunshine hours begin to taper off in the fall, reflecting the natural rhythm of the seasons. This pattern reveals a vibrant tapestry of light and warmth, perfect for enjoying the stunning landscapes and outdoor activities that Bellevue has to offer.
In Bellevue, Switzerland, the likelihood of sunny weather takes a notable dip in May, with only a 30% chance of sunshine compared to the upward trend seen in the preceding months of March and April, which boast 51% and 53% sunny days, respectively. This decrease reflects a transition into late spring, where the region begins to experience more variability in weather. Interestingly, this pattern of fluctuating sunshine continues into the summer months, with June, July, and August stabilizing around the mid-30s to high 40s percentage range. As you plan your May outings, keep in mind the potential for overcast skies, following the trend of increasing sun as the year progresses toward summer.
As spring transitions into summer, Bellevue, Switzerland, experiences a delightful increase in daylight, culminating in May with an average of 14 hours of sun. This gradual ascent from 9 hours in January to 13 hours in April reveals a tangible shift towards longer, brighter days that invigorate the landscape. May serves as a pivotal moment, where the lingering light invites outdoor activities and fosters a sense of renewal. Following this peak, daylight begins to gradually decrease again, foreshadowing the arrival of autumn, yet the vibrancy of May remains a cherished highlight in Bellevue's yearly cycle.
In Bellevue, Switzerland, the winds of May are gentle, with an average speed of 1.9 m/s (4 mph), continuing a trend of moderate breezes seen throughout the spring months. After a gradual increase from January's calm 1.9 m/s to a slightly brisker April at 2.2 m/s, May maintains a steady yet refreshing airflow, providing a perfect backdrop for outdoor activities. As the season transitions into summer, the winds begin to taper off, reaching a low of 1.6 m/s in June. This characteristic gentle wind pattern illustrates Bellevue's serene climate, offering a delightful escape for both residents and visitors alike.
Weather in Bellevue varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Bellevue, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present strikingly different weather conditions. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warmer maximum of 29°C (84°F), averaging around 13°C (55°F). The month experiences significant rainfall, with around 172 mm (6.8 in) over approximately 16 days, and the humidity sits at around 80%. In contrast, January is much colder, with temperatures dipping down to -13°C (8°F) and only reaching a maximum of 14°C (58°F), averaging just 1°C (34°F). The precipitation in January is less, at 116 mm (4.6 in) over 11 days, but the humidity is higher at 91%. For more detailed insights, you can check out Bellevue weather in January.
In comparing the weather between May and February, a clear difference in temperature and conditions is evident. May typically sees a broader range, with temperatures ranging from a chilly -1°C (30°F) at night to a warm 29°C (84°F) during the day, averaging around 13°C (55°F). This month also experiences higher humidity at 80% and more precipitation, totaling 172 mm (6.8 in) over approximately 16 days. In contrast, February is much colder, with minimum temperatures dipping to -12°C (10°F) and a maximum of 17°C (64°F), leading to an average of just 4°C (39°F). Precipitation is lower at 96 mm (3.8 in) over 11 days, accompanied by slightly higher humidity at 89%. For more details about February weather specifics, you can refer to Bellevue weather in February.
In comparing the weather between March and May, we observe notable differences in temperature and precipitation patterns. May sees a rise in average temperatures, with a minimum of -1°C (30°F) and a pleasant average of 13°C (55°F), reaching up to a maximum of 29°C (84°F). This contrasts sharply with March, which has colder temperatures, starting from a minimum of -12°C (10°F) and averaging only 6°C (43°F), with a peak of 21°C (69°F).
Additionally, May experiences more precipitation at 172 mm (6.8 in) over 16 days, compared to March's 134 mm (5.3 in) spread over 14 days. Humidity levels are relatively high in both months but slightly elevate in March at 87% against May's 80%. For a deeper look into the conditions of March, you can refer to Bellevue weather in March.
In comparing the weather between April and May, we see a noticeable shift in temperatures and precipitation levels. In April, temperatures ranged from a minimum of -6°C (21°F) to a maximum of 25°C (77°F), with an average of 10°C (49°F). The month brought 67 mm (2.6 in) of precipitation over 9 days and a humidity level of 84%. In contrast, May presents a warmer climate, with temperatures spanning from -1°C (30°F) to a high of 29°C (84°F), averaging 13°C (55°F). However, May also experiences significantly higher precipitation at 172 mm (6.8 in) spread over 16 days, and slightly lower humidity at 80%. For more detailed information, you can check out Bellevue weather in April.
In May, the weather is quite variable, with temperatures ranging from a chilly -1°C (30°F) to a warm 29°C (84°F), and an average temperature of 13°C (55°F). May also experiences substantial rainfall, with a total of 172 mm (6.8 in) spread over 16 days, leading to a relatively high humidity level of 80%.
In contrast, June sees a noticeable increase in temperature, with minimums of 6°C (42°F) and maximums reaching 33°C (92°F), resulting in a warmer average of 18°C (64°F). June is generally drier, with precipitation at 121 mm (4.8 in) over 14 days, while humidity remains slightly higher at 82%. For a closer look at what to expect, check out Bellevue weather in June.
May and July exhibit notable differences in weather patterns. May has a broader range of temperatures, with a minimum of -1°C (30°F) and a maximum of 29°C (84°F), resulting in an average temperature of 13°C (55°F). It also experiences higher precipitation levels, receiving 172 mm (6.8 in) across 16 days, coupled with an average humidity of 80%. In contrast, July brings warmer conditions, featuring a minimum temperature of 9°C (48°F) and a maximum of 34°C (93°F), with an average temperature of 19°C (67°F). Although rain is present in July as well, it is less intense than in May, with 110 mm (4.3 in) of precipitation over 13 days and slightly higher humidity at 82%. For more detailed insights, refer to Bellevue weather in July.
May weather tends to be quite variable, with temperatures ranging from a brisk -1°C (30°F) to a pleasant 29°C (84°F) and an average of 13°C (55°F). This month experiences significant precipitation, totaling 172 mm (6.8 in) over 16 days, and maintains high humidity levels around 80%. In contrast, August offers a warmer and more stable climate, with temperatures varying from a minimum of 8°C (46°F) to a peak of 33°C (92°F), averaging 19°C (66°F). Precipitation decreases to 108 mm (4.3 in) over 13 days, accompanied by slightly lower humidity at 77%. For more detailed insights on August weather, you can check Bellevue weather in August.
In comparing the weather between May and September, we can see some notable differences. May experiences a wider temperature range, with minimums dropping to -1°C (30°F) and maximums reaching up to 29°C (84°F), while September typically has slightly warmer minimums at 3°C (38°F) and maximums around 28°C (82°F). May is also significantly wetter, with 172 mm (6.8 in) of precipitation over 16 days, compared to September's lighter rainfall of 74 mm (2.9 in) over just 10 days. Humidity remains relatively constant, with May at 80% and September slightly higher at 81%. For more detailed weather insights, you can check out Bellevue weather in September.
May and October exhibit notable differences in weather conditions. In May, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 29°C (84°F), with an average of 13°C (55°F). This month experiences higher precipitation at 172 mm (6.8 in) over 16 days, alongside a humidity level of 80%. In contrast, October brings cooler temperatures, with a range of -1°C (31°F) to a milder 22°C (72°F) and an average of 10°C (51°F). Precipitation is also lower at 116 mm (4.6 in) across 11 days, though humidity increases slightly to 89%. To explore more about October's weather specifics, visit Bellevue weather in October.
May boasts a more varied temperature range, with minimums dipping to -1°C (30°F) and maximums soaring to 29°C (84°F), offering an average of 13°C (55°F). In contrast, November experiences cooler temperatures, with highs reaching only 19°C (66°F) and an average of just 5°C (42°F), where temperatures can drop as low as -3°C (27°F). Despite May's higher average temperatures, it also sees significantly more precipitation (172 mm or 6.8 in) over 16 days compared to November's 109 mm (4.3 in) across 13 days. Additionally, November has a slightly higher humidity level at 89%, compared to May's 80%. For a detailed look at the climate, check out Bellevue weather in November.
May and December present strikingly different weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 29°C (84°F), with an average of 13°C (55°F). The month experiences moderate precipitation, totaling 172 mm (6.8 in) over about 16 days, and where humidity is relatively comfortable at 80%. In contrast, December sees colder conditions with temperatures dropping as low as -9°C (16°F) and only reaching a maximum of 13°C (56°F), averaging just 2°C (37°F). This month is also wetter, with precipitation measuring 203 mm (8.0 in) across 18 days and a higher humidity level of 91%. For further insights on December's weather, you can check Bellevue weather in December.
As May unfolds in Bellevue, the weather presents a refreshing contrast to the colder months, with temperatures noticeably warmer and the promise of spring in full bloom. The average temperature rises significantly, providing a delightful respite from winter's chill, yet the cool evenings remind residents that spring is still transitioning into summer. Rainfall is also more frequent than in preceding months, with about half the month seeing precipitation, contributing to the lush landscapes so characteristic of this time of year. Despite the humidity leveling at around 80%, the overall atmosphere feels vibrant and rejuvenating, making May an ideal time to enjoy the stunning natural beauty of Bellevue. For more insights on the region's seasonal variations, check out Bellevue Climate.