Last updated: August 27, 2025
In August, Zermatt, Switzerland, offers a delightful blend of temperatures and atmospheric conditions, with maximums reaching 21°C (70°F) and averages around 10°C (50°F). Visitors can experience the crisp alpine air, where temperatures can dip as low as -1°C (30°F) at night. This month witnesses an average precipitation of 215 mm (8.4 in), spread over 21 days, contributing to the lush landscapes characteristic of the region. With a humidity level of 64%, the overall climate creates a refreshing environment, perfect for outdoor adventures amidst stunning mountain scenery.
In August, Zermatt, Switzerland, basks in the warmth of summer, with temperatures making a noticeable climb compared to the chill of winter months. The minimum temperature hovers around -1°C (30°F), while the average rises to a pleasant 10°C (50°F), culminating in a maximum of 21°C (70°F). This marks a significant shift from the earlier months, particularly June and July, which see lower averages and maximums. As summer reaches its peak, Zermatt invites visitors to enjoy a delightful mix of cooler mornings and comfortably warm afternoons, setting the perfect stage for outdoor activities surrounded by the stunning Alpine scenery.
In Zermatt, Switzerland, August stands out as the wettest month of the year, accumulating an impressive 215 mm (8.4 inches) of precipitation over 21 rainy days. This marks a continuation of the region's expected summer rainfall, which sees a gradual increase from the previous months. Starting from a more modest 117 mm (4.6 inches) in January, precipitation steadily rises, peaking in August before a noticeable drop in September. The summer months, particularly May through August, showcase a significant uptick in rain as Zermatt experiences its lushest and most vibrant season. This trend not only underscores the importance of summer showers for the region's natural beauty but also hints at the potential for dramatic alpine landscapes shaped by these summer storms.
In August, Zermatt experiences a notable decline in humidity, reaching a comfortable 64%. This dip marks the lowest level of the year, following a gradual decrease from 88% in January to 67% in July. As the summer progresses into late August, the air becomes more pleasant, making outdoor activities and explorations in this picturesque Swiss town even more enjoyable. However, as autumn approaches, humidity begins to rise again, with September averaging 74% and gradually climbing back up in the ensuing months. This seasonal fluctuation not only enhances the beauty of Zermatt's stunning landscapes but also draws visitors seeking a balance of refreshing air and breathtaking views.
In August, Zermatt's UV Index remains robust at 9, indicating a very high level of sun exposure that necessitates caution, especially for outdoor enthusiasts. As the summer season unfolds, this month reflects a slight dip from the extreme levels seen in June, yet it still demands vigilant sun protection with a burn time of just 15 minutes. This trend of elevated UV levels throughout the summer highlights the importance of being sun-smart in this picturesque alpine region. As you revel in Zermatt’s stunning landscapes, remember to stay informed and protect your skin against the powerful rays. For more details on UV exposure throughout the year, visit the Zermatt UV Index.
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In Zermatt, Switzerland, August shines with an impressive 393 hours of sunlight, making it one of the sunniest months of the year. As summer reaches its zenith, the hours of sunshine gradually build from 184 in January to a peak of 425 in July, before taking a slight dip in August. This trend highlights the vibrant summer season where the majestic landscapes bask in warm sunlight, enticing visitors to explore the breathtaking beauty of the Alps. The sunshine begins to wane in September, with the monthly total dropping to 333 hours, signaling a gentle transition into autumn. Overall, the pattern of increasing sunlight from winter through summer, followed by a gradual decrease, emphasizes Zermatt’s allure as a summer destination brimming with natural charm.
As August rolls into Zermatt, Switzerland, visitors can anticipate a 41% chance of sunny weather, making it one of the more promising months for basking in the sun. This slight uptick contrasts with the summer's earlier months, where June and July see lower probabilities of sunshine at 22% and 31%, respectively. Interestingly, the overall likelihood of clear skies gradually increases from the chill of January, where sunshines only 24% of the time, peaking in fall with October soaring to 44%. Thus, August stands out as a delightful summer month, striking a balance between pleasant warmth and the refreshing mountain air, inviting outdoor enthusiasts to explore the stunning alpine scenery under a more favorable sun.
In August, Zermatt enjoys a generous 14 hours of daylight, offering ample time for outdoor adventures and breathtaking views of the majestic Alps. This month marks a slight dip from the peak 15 hours of daylight seen in the height of summer during June and July. As summer transitions into fall, the days gradually shorten, with daylight dwindling in September to 12 hours. This trend reflects the rhythmic ebb and flow of seasons, inviting nature enthusiasts to make the most of the remaining summer sunshine while it lingers in this picturesque Swiss town.
In August, Zermatt experiences gentle breezes with an average wind speed of 1.2 m/s (about 3 mph), maintaining a consistent rhythm that has been characteristic of the summer months. This marks a slight dip compared to the earlier summer peak in July, reflecting a transition as the season slowly shifts towards autumn. The pattern of mellow winds from June to September indicates a tranquil and serene atmosphere ideal for outdoor activities. As the year progresses, wind speeds typically fluctuate, with the winter months bringing a refreshing increase, but August's calmness in Zermatt invites visitors to savor the breathtaking alpine scenery without the interruption of strong gusts.
Weather in Zermatt varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Zermatt, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather. In August, temperatures can range from a minimum of -1°C (30°F) to a pleasant average of 10°C (50°F), peaking at a maximum of 21°C (70°F). This month also sees significant rainfall, with 215 mm (8.4 in) of precipitation over 21 days, along with a humidity level of 64%. Conversely, January experiences much harsher conditions, with temperatures dipping as low as -27°C (-17°F) and averaging around -11°C (12°F). The maximum temperature just reaches 1°C (34°F), and although there is less precipitation than in August—117 mm (4.6 in) over 10 days—the humidity remains high at 88%. For a more detailed look at January weather in Zermatt, you can check Zermatt weather in January.
August and February showcase stark contrasts in weather. August boasts milder temperatures with a minimum of -1°C (30°F), an average of 10°C (50°F), and a maximum of 21°C (70°F), allowing for pleasant outdoor activities. However, it also experiences higher precipitation at 215 mm (8.4 in) over 21 days, coupled with a humidity level of 64%. In contrast, February is much colder with temperatures ranging from a minimum of -26°C (-14°F) to a maximum of 7°C (45°F), and an average of -8°C (18°F). Precipitation is significantly lower at 66 mm (2.6 in) across just 11 days, though the humidity is slightly higher at 81%. For a closer look at February weather specifics, visit Zermatt weather in February.
August and March exhibit strikingly different weather patterns. In August, temperatures range from a minimum of -1°C (30°F) to a comfortable maximum of 21°C (70°F), with an average of 10°C (50°F). This month experiences significant precipitation, totaling 215 mm (8.4 in), falling over 21 days and accompanied by a humidity level of 64%. In contrast, March sees much colder temperatures, with a minimum of -29°C (-19°F) and a maximum of only 9°C (48°F), averaging -6°C (22°F). Precipitation in March is lower at 105 mm (4.2 in) over 14 days, yet the humidity is higher at 76%. For more detailed insights into March weather, you can visit Zermatt weather in March.
In comparing the weather of August and April, we notice a significant shift in temperatures and conditions. August boasts a milder climate with average temperatures ranging from -1°C (30°F) to a pleasant 21°C (70°F), while April experiences much colder conditions, where average temperatures hover around -2°C (30°F), with lows plummeting to -16°C (3°F). Precipitation is more frequent in August, occurring on 21 days with a total of 215 mm (8.4 in), compared to April's 135 mm (5.3 in) over 12 days. Additionally, the humidity in April is higher at 77%, compared to August's 64%, contributing to the chillier feel of the spring month. For more detailed information about the weather in April, you can visit Zermatt weather in April.
In comparing the weather between August and May, August offers relatively milder temperatures, with an average of 10°C (50°F) and highs reaching up to 21°C (70°F). In contrast, May features cooler temperatures, averaging at 2°C (37°F) with a maximum of only 15°C (58°F). Precipitation is slightly higher in August, with 215 mm (8.4 in) over 21 days, compared to May's 180 mm (7.1 in) across 20 days, although humidity in May is higher at 74% versus August's 64%. For a closer look at May's climate specifics, you can check Zermatt weather in May.
When comparing the weather in August and June, both months show similar precipitation levels, with August recording 215 mm and June slightly less at 210 mm, both spanning over 21 days. August tends to be slightly warmer, with temperatures ranging from a minimum of -1°C to a maximum of 21°C, while June experiences a wider range with minimums at -5°C and maximums reaching 23°C. Humidity is higher in June at 71%, compared to August's 64%. For more detailed information, you can check Zermatt weather in June.
In comparing the weather conditions of July and August, we observe that both months share similar temperature ranges, with July seeing a slightly higher maximum temperature of 20°C (69°F) compared to August's 21°C (70°F). However, August experiences more substantial precipitation, totaling 215 mm (8.4 in) over 21 days, which is an increase from July's 187 mm (7.3 in) also across 21 days. Humidity levels are marginally lower in August at 64% compared to July's 67%. For more detailed insights on July conditions, you can check Zermatt weather in July.
In August, the weather in Zermatt is generally milder, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 21°C (70°F) and an average of 10°C (50°F). This month also experiences higher precipitation at 215 mm (8.4 in) over 21 days, resulting in a relatively moderate humidity level of 64%. In contrast, September sees a drop in temperatures, with lows of -7°C (20°F) and highs of just 17°C (64°F), averaging around 6°C (44°F). Precipitation decreases significantly to 116 mm (4.6 in) over 19 days, but humidity increases to 74%, creating a more damp atmosphere. For more details about the weather in September, you can check Zermatt weather in September.
In comparing August and October weather, we see a significant drop in temperatures as summer transitions into autumn. August features a milder range, with average temperatures around 10°C (50°F) and maximums reaching 21°C (70°F), while October experiences a much chillier average of just 2°C (35°F) and maximums of 13°C (56°F). Precipitation levels are also noteworthy; August sees higher rainfall with 215 mm (8.4 in) over 21 days, compared to October's 193 mm (7.6 in) over 13 days. Additionally, October is characterized by increased humidity at 87%, compared to August's 64%. For more detailed information, you can check out Zermatt weather in October.
August and November exhibit stark contrasts in weather conditions. In August, temperatures range from a mild -1°C (30°F) at night to a pleasant maximum of 21°C (70°F) during the day, with an average of 10°C (50°F). This month sees considerable precipitation, totaling 215 mm (8.4 in) over 21 days, accompanied by a moderate humidity level of 64%. In contrast, November brings much colder temperatures, with lows plummeting to -24°C (-11°F) and a daytime maximum of 9°C (49°F), averaging at -5°C (24°F). Though November experiences less overall precipitation at 167 mm (6.6 in) across 16 days, the humidity rises to a very high 88%. For more detailed information about November conditions, check out Zermatt weather in November.
August and December weather present stark contrasts. In August, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 21°C (70°F), with an average of 10°C (50°F). The month sees considerable precipitation, totaling 215 mm (8.4 in) over 21 days, and maintains a moderate humidity of 64%. In contrast, December experiences much colder conditions, with temperatures plummeting to a minimum of -26°C (-14°F) and only reaching a maximum of 2°C (36°F), averaging -10°C (14°F). Though December has less precipitation at 145 mm (5.7 in) over 16 days, it boasts a higher humidity level of 85%. For more detailed insights into December weather conditions, you can visit Zermatt weather in December.
In August, Zermatt experiences a delightfully mild atmosphere, distinguishing it from the cooler months that envelop the region. With a maximum temperature reaching around 21°C (70°F), it presents an inviting environment for visitors eager to explore its stunning landscapes. However, one should be prepared for considerable precipitation throughout the month, as August typically sees about 21 rainy days, contributing to a humidity level of 64%. This humidity leads to a fresh, crisp feel, especially in the cooler mornings and evenings, contrasting sharply with the warmer days. For those contemplating the best time to visit, understanding the nuances of August weather is essential, and more insights can be found at Zermatt Climate.