Last updated: August 27, 2025
Nestled in the picturesque Swiss Alps, Fiesch experiences a vibrant backdrop of weather in August. With a maximum temperature reaching 20°C (69°F) and an average of 9°C (49°F), this month presents a mild yet refreshing climate. However, the minimum temperature can drop to a brisk -1°C (30°F), making cozy attire essential for the cooler outings. Expect 239 mm (9.4 in) of precipitation over 21 days, which contributes to the lush, green landscape typical of summer in the region. The humidity averages a steady 80%, enhancing the refreshing mountain air that envelops visitors. Whether you are exploring the stunning outdoors or enjoying local festivities, August in Fiesch offers a unique blend of charm and adventure against a stunning alpine setting.
In August, Fiesch, Switzerland experiences a pleasing transition into warmer days, with temperatures showcasing a lovely balance between cool mountain air and summer warmth. The minimum temperature hovers around -1°C (30°F), while the average reaches 9°C (49°F), offering a refreshing escape from the heat. With a maximum of 20°C (69°F), this is one of the most pleasant months of the year, inviting visitors to enjoy outdoor activities amidst stunning alpine scenery. As the summer draws to a close, August stands out for its moderate climate, providing a delightful backdrop for exploration and relaxation in the enchanting Swiss landscape.
In August, Fiesch, Switzerland, experiences a peak in precipitation, accumulating 239 mm (9.4 in) over 21 days. This marked increase follows a wet July, where rainfall reached 223 mm (8.8 in), hinting at a trend of heightened moisture levels during the summer months. Leading into the tail end of summer, August stands out as the culmination of this prime rainfall season, showcasing a robust transition from the earlier months, such as January through April, which saw more moderate totals. As the seasons shift, August's abundance not only contributes to the region's verdant landscape but also sets the stage for the tapering precipitation that follows in September.
In August, Fiesch experiences a notable transition in humidity, settling at 80%, which marks one of the lowest levels of the year. Following the peak humidity of 92% in January, a gradual decline becomes apparent through the months, with spring bringing higher levels and summer remaining relatively stable. The 80% humidity in August reflects a comfortable environment, ideal for outdoor activities, as it creates a refreshing atmosphere. This gradual dip continues into early autumn, evident in September when humidity increases slightly to 83%, before trending upward again in the fall. Overall, Fiesch's humidity showcases a seasonal rhythm, fluctuating consistently and contributing to the region's unique climatic charm.
In August, Fiesch experiences a very high UV Index of 9, which necessitates caution despite slightly lower levels than the peak summer months of June and July. At this time, the recommended burn time is just 15 minutes, emphasizing the importance of sun protection to prevent skin damage during outdoor activities. Following a trend of increasing UV exposure from the beginning of the year, August retains the need for vigilance against UV rays, signaling a gradual transition towards the milder fall months. As daylight decreases in September, the UV Index will drop to 7, prompting more manageable sun exposure guidelines. For a detailed understanding of UV conditions throughout the year, check out the Fiesch UV Index.
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In Fiesch, Switzerland, August is a delightful month, boasting an impressive 377 hours of sunshine. Following a peak in July with 415 hours, the sun begins to mellow slightly as summer transitions into autumn, yet August still holds on to a significant amount of bright days. This month reflects the overall trend of increasing sunlight that builds from the chilly beginnings of the year, where January only sees 179 hours of sunshine. As spring rolls into summer, the hours steadily rise, peaking in July before the gradual decline begins. Despite this slight dip, August remains a vibrant time, enveloping Fiesch in warmth and light, making it the perfect backdrop for outdoor adventures and leisurely explorations.
In Fiesch, Switzerland, the likelihood of sunny weather in August hovers around a modest 28%, making it one of the brighter months of the year. This number marks a slight improvement from the relatively overcast summer months of June and July, which feature sun chances of only 18% and 21%, respectively. Interestingly, August's sunshine likelihood outpaces the preceding month, indicating a subtle transition toward more favorable weather as summer peaks. While the sun may not shine every day, August offers a refreshing break from the lower probabilities found earlier in the season, hinting at a pleasant mid-summer retreat amidst the stunning alpine backdrop.
In August, Fiesch, Switzerland experiences a delightful transition in daylight, offering about 14 hours of sunshine. This gradual decline in daylight is indicative of the summer winding down, as it follows a peak summer trend where June, July, and August all boast a robust 15 hours of daylight each. However, unlike the earlier months that bask in the extended sunshine, August signals the start of a gentle retreat into shorter days, as the daylight hours begin to decrease towards the autumn months. This enchanting shift allows for leisurely outdoor activities and breathtaking landscapes, while still embracing the warmth of summer before it gracefully gives way to September's 12 hours of daylight.
In August, the wind in Fiesch, Switzerland continues the subtle trend of gentle breezes characteristic of summer, with an average wind speed of 1.3 m/s (3 mph). This slight dip from the previous month's 1.4 m/s emphasizes the calmness typical of late summer, where the air feels warm and inviting, perfect for outdoor activities. As the season transitions to autumn, the wind starts to pick up slightly in October, reaching 1.6 m/s (4 mph), suggesting a shift in the weather patterns ahead. Overall, the relatively light winds throughout the summer months create a serene atmosphere, making Fiesch an idyllic spot for those seeking a peaceful retreat amidst stunning alpine scenery.
Weather in Fiesch varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Fiesch, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather is considerably milder compared to January, with average temperatures ranging from a cool 9°C (49°F) to a pleasant 20°C (69°F). However, August experiences higher precipitation levels, averaging 239 mm (9.4 in) over 21 days, coupled with a humidity of 80%. In stark contrast, January is much colder, with temperatures plummeting to a minimum of -24°C (-10°F) and an average of -10°C (14°F), while the maximum temperature reaches only 4°C (39°F). The winter month has less overall precipitation at 155 mm (6.1 in) across 12 days, but the humidity is slightly higher at 92%. For more detailed information, check out Fiesch weather in January.
August and February showcase distinctly different weather patterns. In August, temperatures range from a minimum of -1°C (30°F) to a pleasant maximum of 20°C (69°F), with an average of 9°C (49°F). This month also experiences relatively high humidity at 80% and significant precipitation, totaling 239 mm (9.4 inches) over 21 days. In contrast, February presents much colder conditions, with temperatures dipping significantly lower, from a minimum of -25°C (-13°F) to a maximum of just 6°C (43°F), and an average of -8°C (19°F). Although it receives less rainfall at 100 mm (4.0 inches) across 13 days, February's humidity rises to 89%, contributing to an overall chillier and more damp atmosphere. For further details, you can explore Fiesch weather in February.
In comparing the weather of August and March, it is evident that August offers milder temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 20°C (69°F), with an average temperature of 9°C (49°F). In contrast, March remains significantly colder, featuring a minimum temperature of -25°C (-13°F), an average of -6°C (22°F), and a maximum of 8°C (47°F). Additionally, August experiences more precipitation, totaling 239 mm (9.4 in) over 21 days, while March has 138 mm (5.4 in) of precipitation spread over 15 days. The humidity in both months is relatively high, with August at 80% and March at 87%. For more specific details on March weather, you can check Fiesch weather in March.
In comparing the weather between August and April, August often presents a much milder experience with average temperatures reaching up to 9°C (49°F) and maximums of 20°C (69°F), while April remains significantly colder, with average temperatures around -2°C (29°F) and maximums of only 10°C (50°F). Precipitation is more frequent in August, with 239 mm (9.4 in) falling over 21 days, compared to April's 118 mm (4.6 in) over just 13 days. Humidity levels are quite high in both months, but August sees a slight dip at 80% compared to April's 84%. For a closer look at April's conditions, you can check Fiesch weather in April.
When comparing the weather in August and May, notable differences are evident. August boasts a milder average temperature of 9°C (49°F) with highs reaching up to 20°C (69°F), compared to May, which has a lower average of 2°C (36°F) and a maximum of 15°C (59°F). Additionally, August experiences higher precipitation, with 239 mm (9.4 in) over 21 days, while May sees 160 mm (6.3 in) across 20 days. Both months share a humidity level of 80%, but the warmer August tends to feel quite different from the chillier May. For more specific insights on May's weather, you can check Fiesch weather in May.
The weather in August is generally milder compared to June, with average temperatures ranging from a minimum of -1°C to a maximum of 20°C, while June experiences slightly cooler temperatures, with a minimum of -4°C and a maximum of 25°C. August sees more precipitation, totaling 239 mm over 21 days, in contrast to June's 201 mm over 19 days. Humidity levels remain quite similar in both months, with August at 80% and June slightly higher at 82%. For more detailed information on June weather conditions, you can check Fiesch weather in June.
In comparing the weather between August and July, we see that both months experience similar minimum temperatures, hovering around -1°C (30°F), but August has a slightly lower average temperature of 9°C (49°F) compared to July's 10°C (50°F). Maximum temperatures reach 20°C (69°F) in August, which is slightly cooler than July's peak of 22°C (73°F). Precipitation levels are also noteworthy; August receives more rainfall with 239 mm (9.4 in) over 21 days, while July has 223 mm (8.8 in) across 23 days. Humidity is slightly lower in August at 80%, compared to July's 83%. For more detailed insights about July's weather, you can check Fiesch weather in July.
When comparing the weather in August and September, we see a notable shift in temperatures and precipitation. August experiences milder temperatures, with a minimum of -1°C (30°F), an average of 9°C (49°F), and a maximum of 20°C (69°F). In contrast, September sees lower temperatures, with a minimum of -10°C (14°F), an average of 6°C (42°F), and a maximum of 18°C (64°F). While August is generally wetter, receiving 239 mm (9.4 in) of precipitation over 21 days, September is notably drier, with 134 mm (5.3 in) falling over 16 days. Humidity levels are slightly higher in September at 83% compared to 80% in August, contributing to a denser atmosphere. For more details about September weather, you can check Fiesch weather in September.
August and October present contrasting weather profiles. In August, temperatures range from a minimum of -1°C (30°F) to a maximum of 20°C (69°F), with an average of 9°C (49°F). The month also sees substantial precipitation, totaling 239 mm (9.4 in) over 21 days, while humidity hovers around 80%. In contrast, October is significantly colder, with temperatures dipping to a minimum of -13°C (9°F) and an average of 1°C (34°F), peaking at 13°C (55°F). Although October has slightly less precipitation at 213 mm (8.4 in) spread across 14 days, the humidity rises to 90%. For a more detailed look at October weather, check out Fiesch weather in October.
August and November present striking differences in weather patterns. August enjoys relatively mild temperatures, with averages around 9°C (49°F) and maximums reaching 20°C (69°F), while November plunges into much colder conditions, averaging -5°C (24°F) and peaking at just 9°C (48°F). Precipitation is also more abundant in August, with 239 mm (9.4 in) falling over 21 days, compared to November's 137 mm (5.4 in) over 16 days. Additionally, humidity levels are high in both months, but are slightly elevated in November at 88%, compared to 80% in August. For more details on the specifics of November weather, check Fiesch weather in November.
In August, temperatures in Fiesch range from a chilly -1°C (30°F) at night to a pleasant 20°C (69°F) during the day, with an average of 9°C (49°F). The month experiences significant precipitation, with 239 mm (9.4 in) spread over 21 days, resulting in a humidity level averaging 80%. Conversely, December presents a stark contrast, with temperatures plunging to a minimum of -22°C (-8°F) and rising only to a maximum of 3°C (37°F), leading to a much colder average of -9°C (17°F). While December has slightly less precipitation at 212 mm (8.3 in) over 19 days, humidity is higher at 90%, creating a distinctly frosty atmosphere. For a more detailed look at winter conditions, check out Fiesch weather in December.
As August settles in Fiesch, the weather brings a noticeable change compared to the cooler, drier months of spring and early summer. With temperatures peaking at a comfortable 20°C, it invites outdoor adventures, while the average temperature hovers around a brisk 9°C, making warmer layers a must for early mornings and evenings. However, humidity levels climb to 80%, and rainfall becomes more frequent, contributing to a total of 239 mm over 21 days. This wetter climate can feel a bit more oppressive, contrasting with the clearer days of previous months. For more on how Fiesch's climate varies throughout the year, visit Fiesch Climate.