Last updated: August 27, 2025
June in Sierre, Switzerland offers a delightful contrast in weather, with maximum temperatures reaching up to 27°C (81°F), expected averages of 12°C (53°F), and cooler nights dipping to a chilly -4°C (25°F). This month typically sees 130 mm (5.1 in) of precipitation spread over 16 days, contributing to an overall humidity of 82% that adds a refreshing quality to the air. Visitors can expect a mix of sunny days and intermittent rain, making it a vibrant time to experience the lush surroundings and breathtaking landscapes of the Alps.
In June, Sierre, Switzerland begins to shake off the lingering chill of winter, welcoming a refreshing rise in temperatures. With a minimum of -4°C (25°F), the month marks a significant shift towards warmer days, boasting an average of 12°C (53°F) and peaking at a delightful maximum of 27°C (81°F). This progression from the brisk days of spring to the warmth of summer not only enhances the charm of the region but also beckons outdoor enthusiasts. June's temperatures set the stage for vibrant landscapes and lively outdoor festivals, as the area transforms into a stunning tapestry of greenery and warmth.
June in Sierre, Switzerland, experiences a noteworthy blend of warmth and moisture, with precipitation amounting to 130 mm (5.1 in) over approximately 16 days. This places June among the wetter months of the year, following a notably rainy May that recorded the highest precipitation of 160 mm (6.3 in). Interestingly, as summer approaches, the rainfall tends to be consistent, with the precipitation patterns in June closely mirroring those in the preceding month, reflecting a spring-to-summer transition typical of the region. This trend of significant precipitation continues into July and August, suggesting that while the temperatures rise, the region remains prone to regular bouts of rain, ensuring a lush landscape throughout the season.
June in Sierre, Switzerland sees humidity levels at 82%, marking a slight increase from the drier month of May, which experienced 80% humidity. This uptick is consistent with the gradual rise and fall of humidity throughout the year, where winter months exhibit higher humidity levels, peaking at 91% in January and December. As summer approaches, the humidity typically stabilizes, reflecting the region's mild climate. With July also holding steady at 82%, Sierre offers a pleasantly humid atmosphere, perfect for enjoying the vibrant natural landscapes during the early summer. As the season progresses, one can anticipate a gradual decrease in humidity, highlighted by August's lower level of 77%, paving the way for a comfortable, refreshing end to the summer months.
In June, Sierre, Switzerland experiences an extreme UV Index of 11, signaling a heightened need for sun protection with a burn time of just 10 minutes. This peak follows a clear upward trend starting from the earlier months; while January and February had moderate levels (UV Index 3 and 4), March saw a significant jump to high (UV Index 7). The transition into summer brings not only brighter days but also an increasing risk of skin damage, making it crucial to take precautions. As we move into July and August, the UV Index remains elevated at 10 and 9, respectively, with burn times ranging from 15 minutes. To stay informed and safe, check out more about the UV Index trends in Sierre here.
UV Risk Categories
June heralds a radiant peak of sunshine in Sierre, Switzerland, with 388 hours of daylight illuminating the picturesque landscapes. This delightful month marks a significant increase from the spring months, following a gradual climb in sunshine hours from 176 in January to 360 in May. As the sun reaches its zenith, July continues the trend with 416 hours, offering the longest days of the year. However, June stands out as a crucial turning point, as it welcomes summer with a vibrant burst of light, setting the stage for the splendid outdoor activities that the region is renowned for. The consistent rise in sunshine signals a shift in both nature and leisure, inviting locals and visitors alike to embrace the warmth and beauty of this charming Swiss locale.
In Sierre, Switzerland, the likelihood of sunny weather experiences a subtle fluctuation throughout the year, with June showcasing a 32% chance of sunshine. This figure mirrors the sunny probabilities of May and comfortably wedges between the higher summer months of July and August, which see a slight uptick at 35% and 37%, respectively. Interestingly, the months leading into summer—April (44%) and March (45%)—exhibit better odds for clear skies, suggesting a gradual transition into sunnier days. As the summer progresses, while June’s forecast may not promise abundant sunshine, it certainly lays the groundwork for the warmer months ahead, inviting outdoor adventures amidst the charming backdrop of the Swiss Alps.
As summer approaches in Sierre, Switzerland, June shines brightly with an impressive 15 hours of daylight, marking the peak of the daylight duration cycle. This increase follows a gradual ascent from 9 hours in January, with each month gifting a little more sunlight, ultimately culminating in the lush atmosphere of late spring and early summer. April and May pave the way, transitioning from 13 to 14 hours, creating a vibrant backdrop for outdoor activities. As the days reach their longest, July maintains this glorious brightness, before a gentle tapering begins in August. The rhythm of daylight subtly shifts, descending towards autumn, but remains a cherished hallmark of the Swiss summer experience.
In Sierre, Switzerland, the month of June typically ushers in a gentle breeze, with an average wind speed of just 1.0 m/s (2 mph). This marks a slight dip from the preceding months, where winds hovered around 1.1 m/s, suggesting a transition into the calmer summer season. Interestingly, after a consistent pattern of modest winds throughout the spring, June's air remains tranquil, inviting outdoor enthusiasts to enjoy the scenic beauty without the distraction of strong gusts. As summer unfolds, this serene wind pattern continues, hinting at a leisurely pace for the months ahead.
Weather in Sierre varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Sierre, focusing on differences in temperature, rainfall, humidity, and UV levels.
In June, the weather exhibits a noticeable warmth, with temperatures ranging from a chilly -4°C (25°F) to a pleasant average of 12°C (53°F) and a maximum of 27°C (81°F). This month experiences significant precipitation, totaling 130 mm (5.1 in) over 16 days, and boasts a humidity level of 82%. In contrast, January is characterized by much colder conditions, with temperatures plummeting to a minimum of -27°C (-17°F) and averaging a frosty -9°C (16°F), while the highs reach only 6°C (44°F). January sees slightly higher precipitation at 135 mm (5.3 in), spread over 10 days, and a marginally higher humidity of 91%. For more detailed information about the winter climate, you can visit Sierre weather in January.
June and February present contrasting weather conditions, reflecting the shift from winter to summer. In June, temperatures range from a chilly minimum of -4°C (25°F) to a warm maximum of 27°C (81°F), with an average of 12°C (53°F). This month experiences considerable rainfall, with 130 mm (5.1 in) over 16 days and humidity levels at a moderate 82%. In contrast, February is significantly colder, with temperatures dipping as low as -23°C (-8°F) and averaging -5°C (23°F), peaking at only 11°C (52°F). The precipitation is lower at 95 mm (3.8 in), spread over 11 days, and humidity remains high at 89%. For more detailed insights into February weather, check out Sierre weather in February.
When comparing the weather in June and March, it's evident that June offers significantly milder temperatures with a minimum of -4°C (25°F) and an average of 12°C (53°F), peaking at 27°C (81°F). In contrast, March is much colder, with temperatures ranging from a minimum of -25°C (-12°F) to a maximum of 14°C (57°F), averaging at -2°C (29°F). Additionally, while precipitation levels in June are slightly higher at 130 mm (5.1 in) over 16 days, March sees a comparable amount at 122 mm (4.8 in) across 15 days, along with a higher humidity of 87%. For further details, you can check Sierre weather in March.
June weather showcases a more moderate climate compared to April, with temperatures ranging from a minimum of -4°C (25°F) to a pleasant maximum of 27°C (81°F), resulting in an average temperature of 12°C (53°F). In contrast, April experiences much colder conditions, with a minimum of -17°C (1°F) and a maximum of 17°C (63°F), averaging only 3°C (37°F). Additionally, June sees higher precipitation levels at 130 mm (5.1 in) over 16 days, compared to April's 81 mm (3.2 in) over 11 days. While humidity remains high in both months—82% in June and 84% in April—the warmer temperatures in June make it feel notably different. For more specific details about April conditions, you can visit Sierre weather in April.
In comparing the weather of June and May, June generally enjoys milder temperatures, with an average of 12°C (53°F) and a maximum reaching 27°C (81°F), while May has a lower average temperature of 6°C (43°F) and peaks at 22°C (72°F). However, May experiences a lower level of humidity at 80% compared to June's 82%. Precipitation is also noteworthy; June receives 130 mm (5.1 in) over 16 days, which is less than May’s 160 mm (6.3 in) spread across 20 days. For more detailed information on May’s weather, you can check Sierre weather in May.
June and July both showcase mild temperatures, with average highs peaking at 27°C (81°F) in June and slightly higher at 28°C (82°F) in July. However, the minimum temperatures in June dip lower, reaching -4°C (25°F), while July starts off warmer with a minimum of 1°C (34°F). Precipitation is fairly consistent between the two months, with June experiencing a bit more rain at 130 mm (5.1 in) compared to July's 121 mm (4.8 in), both seeing rainfall on 16 days. Humidity remains constant at 82% for both months, contributing to a similar feel in the air. For more specifics on the weather, you can check this link: Sierre weather in July.
In June, temperatures range from a chilly minimum of -4°C (25°F) to a pleasant maximum of 27°C (81°F), with an average temperature of 12°C (53°F). The month experiences significant precipitation, totaling 130 mm (5.1 in) over 16 days, coupled with high humidity levels of 82%. In contrast, August offers slightly warmer temperatures, with minimums of 1°C (34°F), an average of 13°C (56°F), and a maximum of 26°C (80°F). Precipitation remains comparable to June at 129 mm (5.1 in) over the same number of days, but humidity decreases to 77%. For more detailed information, you can check Sierre weather in August.
In June, temperatures range more widely, from a minimum of -4°C (25°F) to a maximum of 27°C (81°F), with an average of 12°C (53°F). This month also sees a higher level of precipitation at 130 mm (5.1 in) over 16 days, accompanied by relatively high humidity of 82%. In contrast, September experiences cooler average temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 22°C (72°F), averaging 9°C (49°F). Precipitation in September decreases to 90 mm (3.6 in) over 12 days, while humidity remains fairly stable at 81%. For more details on September weather, you can visit Sierre weather in September.
In June, the weather is generally milder with average temperatures ranging from a low of -4°C (25°F) to a high of 27°C (81°F), creating a warm and pleasant atmosphere. However, this month also experiences significant rainfall, with 130 mm (5.1 in) of precipitation over 16 days, and humidity levels averaging 82%. In contrast, October presents a cooler climate, with temperatures dipping further to an average of 5°C (41°F), and highs reaching only 18°C (64°F). While October sees slightly more precipitation at 135 mm (5.3 in) over 13 days, the humidity rises to 89%, contributing to a chillier feel. For those interested in the specifics of October weather, more information can be found at Sierra weather in October.
June and November present contrasting weather conditions, reflecting the shift from late spring to late autumn. In June, temperatures range from a minimum of -4°C (25°F) to a warm average of 12°C (53°F), peaking at a comfortable 27°C (81°F). The month experiences considerable rainfall, averaging 130 mm over about 16 days, with humidity at 82%. In contrast, November sees much colder temperatures, with a minimum of -23°C (-10°F) and an average of -2°C (29°F), while the maximum only reaches 14°C (58°F). Although precipitation is slightly lower at 98 mm over 14 days, the humidity is higher at 89%, contributing to a more brisk and damp atmosphere. For a closer look at the specific weather patterns during this time, you can visit Sierre weather in November.
June and December present stark contrasts in weather. In June, temperatures range from a chilly -4°C (25°F) at night to a pleasant 27°C (81°F) during the day, with an average of 12°C (53°F). The month sees 130 mm (5.1 inches) of precipitation over 16 days, accompanied by relatively high humidity at 82%. In contrast, December is far colder, with temperatures plummeting to a minimum of -30°C (-22°F) and a maximum of 7°C (45°F), resulting in an average of -8°C (18°F). This winter month experiences even more precipitation at 188 mm (7.4 inches), also over 16 days, but with a higher humidity of 91%. For more detailed insights into December conditions, you can refer to Sierre weather in December.
June in Sierre marks a vibrant transition into summer, contrasting sharply with the cooler, drier months of spring. With maximum temperatures reaching a pleasant 27°C (81°F), residents and visitors alike can enjoy the outdoors, though the average temperature remains a moderate 12°C (53°F), providing a comfortable climate for activities. However, this month can be quite rainy, featuring 16 days of precipitation, which adds to the lush greenery of the region. The increased humidity, averaging around 82%, contributes to a more tropical feel than the previous months. For those interested in a deeper dive, exploring the nuances of Sierre's climate throughout the year can be done here: Sierre Climate.