Last updated: August 27, 2025
In August, Unterseen, Switzerland, delights visitors with a dynamic climate characterized by a maximum temperature of 28°C (82°F) and an average of 15°C (59°F), providing a pleasant backdrop for summer activities. As the warm days unfold, temperatures can drop to a refreshing minimum of 5°C (41°F) during the cooler nights. While visitors can enjoy the beauty of the region, they should be prepared for occasional rain, with 203 mm (8.0 in) of precipitation spread across about 18 days—resulting in a relatively high humidity level of 80%. Embracing both sunshine and showers, August offers a vibrant blend of weather, perfect for both outdoor adventures and cozy indoor moments in this picturesque Swiss destination.
In August, Unterseen, Switzerland, basks in mild and inviting temperatures, making it one of the most pleasant months of the year. With a minimum around 5°C (41°F) and an average of 15°C (59°F), the weather is typically warm during the day, peaking at a comfortable 28°C (82°F). This gentle transition from the warmer June and July months marks a gradual shift towards the cooler fall, as seen in the subsequent drop in temperatures. The balmy days are perfect for exploring the stunning alpine scenery, while the nights remain refreshingly cool, ideal for cozy gatherings under the stars. Overall, August offers a delightful blend of warmth and crispness, making it an ideal time to experience the vibrant beauty of Unterseen.
August in Unterseen, Switzerland, sees substantial rainfall, accumulating 203 mm (8.0 in) over 18 days, maintaining its position as a somewhat wet month. This precipitation level is slightly less than July's impressive 219 mm (8.6 in), yet still reflects a continuation of the summer trend where precipitation peaks in the early months of summer with May and June recording even higher amounts. The consistency in rainy days throughout the summer months, from June to August, suggests that while overall rainfall can fluctuate, the region experiences an average of about 18 rainy days each month, signifying a robust summer. As the year progresses into September, one might expect a notable drop in both precipitation and rainy days, hinting at a shift toward drier autumn conditions.
In August, Unterseen, Switzerland experiences a humidity level of 80%, marking a slight decline compared to the preceding months. This shift is part of a broader trend observed throughout the summer, where humidity generally hovers in the low to mid-80s. As the year progresses from January’s peak of 92% down to the more comfortable levels of late summer, we notice a gradual downward trajectory. September sees a minor uptick back to 83%, indicating the lingering effects of summer warmth, but as October approaches, the humidity begins its ascent once again. This annual cycle highlights Unterseen's characteristic blend of crisp alpine air and moisture, making it a uniquely refreshing destination as the seasons change.
In August, Unterseen, Switzerland experiences a UV Index of 9, placing it in the very high exposure category. This means residents and visitors should be particularly cautious, as the burn time is a mere 15 minutes for unprotected skin. Following a peak in UV intensity in June and July, August maintains a slightly lower but still significant UV level, highlighting the need for sun protection during outdoor activities. As summer continues to shine, it's essential to stay informed about UV trends to enjoy the sunny days safely. For more details, check out the Unterseen UV Index.
UV Risk Categories
August in Unterseen, Switzerland, shines with an impressive 384 hours of sunshine, marking a delightful culmination of the sun-drenched months. Following July's peak at 416 hours, August retains substantial brightness, even as daylight begins to wane into autumn. The gradual yet steady ascent in sunshine hours from January's 169 hours to July's peak reflects the region's transition from winter's shadows to summer's vibrant glow. After August, a notable decrease commences, with September dipping to 322 hours. This trend highlights the fleeting nature of summer, as Unterseen bids adieu to its sunny days, soon enveloped in the cooler embrace of fall.
In Unterseen, Switzerland, the likelihood of enjoying sunny weather in August stands at 38%, reflecting a modest chance compared to the peak of summer. This figure aligns closely with the sunniest months of early spring, indicating a seasonal trend where sunshine tends to wane slightly as summer progresses. In fact, July and June also exhibit a similar 33% chance of sunny days, suggesting a consistent pattern of fluctuation. As summer transitions toward autumn, the sun's presence becomes less certain, but with a 38% likelihood in August, visitors can still look forward to enjoying some delightful sunny moments amid the enchanting beauty of the Swiss landscape.
In August, Unterseen, Switzerland experiences a delightful transition as daylight begins to wane slightly, offering around 14 hours of sunlight. This marks a gradual shift from the peak of summer in June and July, where the sun graces the sky for a maximum of 15 hours each day. Following the vibrant months of spring and early summer, August serves as a gentle reminder of the approach of autumn, with daylight slowly dwindling. As the year progresses into September, the hours of daylight further decrease, illustrating a clear trend of diminishing sunlight as the days grow shorter, creating a rhythm that beautifully reflects the seasons in this picturesque alpine village.
In Unterseen, Switzerland, the August winds are typically gentle, averaging 1.3 m/s (3 mph), a trend that has persisted throughout the summer months. As the year progresses, the wind speeds show subtle fluctuations, with a peak in the early months of the year, notably January and February at 1.6 m/s (4 mph). Following this brief high, the winds gradually decrease, reaching their lowest point in June and August. This pattern indicates a shift toward calmer conditions during the warmest months, inviting residents and visitors alike to enjoy the serene beauty of summer in the Alps. As autumn approaches, wind speeds gently rise again, hinting at the changing seasons ahead.
Weather in Unterseen varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Unterseen, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather conditions. In August, temperatures range from a minimum of 5°C (41°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F). The summer month experiences substantial rainfall, totaling 203 mm (8.0 in) over 18 days, creating a humid atmosphere with an average humidity of 80%. Conversely, January is much colder, with temperatures ranging from a chilling -19°C (-1°F) to a maximum of 9°C (48°F), and an average of -3°C (26°F). Although it has less precipitation at 123 mm (4.9 in) over 12 days, January's humidity is higher at 92%, contributing to the biting cold. For more detailed information, you can visit Unterseen weather in January.
August and February present stark contrasts in weather. In August, temperatures range from a chilly 5°C (41°F) at night to a warm 28°C (82°F) by day, averaging around 15°C (59°F). This month typically experiences significant rainfall, totaling 203 mm over 18 days, combined with a humidity level of 80%, creating a lush and humid environment.
In contrast, February is noticeably colder, with temperatures dipping to a low of -18°C (-1°F) and peaking at 14°C (58°F), averaging around -1°C (31°F). Precipitation is less frequent, occurring over just 11 days and accumulating 103 mm (4.0 in). The humidity is slightly higher at 89%, contributing to the chill in the air. For more on February conditions, you can explore Unterseen weather in February.
When comparing the weather in August and March, significant differences emerge. August boasts warmer temperatures with a minimum of 5°C and a maximum that can reach 28°C, making it the heart of summer. In contrast, March still feels like winter, with lows plummeting to -23°C and an average temperature of only 2°C. Precipitation levels are also noteworthy; August sees a substantial amount of rain with 203 mm spread over 18 days, while March, though slightly drier at 125 mm across 15 days, still contributes to the overall dampness of the season. Humidity levels are high in both months, with August at 80% and March even higher at 87%, which can intensify the chill in the early spring air. For a detailed look at March weather, you can visit Unterseen weather in March.
August and April exhibit significant differences in weather patterns. In August, temperatures range from a minimum of 5°C (41°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F). The month tends to be quite humid, averaging around 80%, and experiences considerable precipitation with 203 mm (8.0 in) falling over 18 days. In contrast, April is cooler, with temperatures ranging from -12°C (10°F) to 19°C (67°F), averaging at 5°C (42°F). Although it's less wet than August, April still sees 94 mm (3.7 in) of precipitation across 12 days, coupled with slightly higher humidity at 84%. For more details, check out the Unterseen weather in April.
When comparing the weather in August and May, several notable differences emerge. August tends to be warmer, with average temperatures around 15°C (59°F), while May's average slightly lags at 9°C (48°F). Despite both months experiencing high humidity levels of 80%, August displays a wider temperature range, peaking at a maximum of 28°C (82°F) compared to May's high of 25°C (78°F). Precipitation is similar, with August receiving 203 mm (8.0 in) over 18 days and May accumulating 182 mm (7.2 in) across 19 days. For a detailed look at May weather in the region, you can visit Unterseen weather in May.
In comparing the weather of August and June, August tends to be warmer with an average temperature of 15°C (59°F) and a maximum of 28°C (82°F), while June has a slightly lower average of 14°C (57°F) and a maximum of 29°C (85°F). Despite these temperature differences, June experiences slightly more precipitation with 225 mm (8.9 in) compared to August's 203 mm (8.0 in), and both months see rain on approximately 18 days. Humidity levels are quite similar, with August at 80% and June at 82%. For a detailed look at June's weather, you can check Unterseen weather in June.
In comparing the weather patterns of July and August, it is evident that both months experience similar temperature ranges, with August's average temperature slightly cooler at 15°C (59°F) compared to July's 15°C (60°F). July tends to be a bit warmer at its maximum temperature of 29°C (84°F), while August peaks at 28°C (82°F). Precipitation levels are slightly lower in August, with 203 mm (8.0 in) over 18 days, compared to July's 219 mm (8.6 in) also over 18 days. Humidity remains high in both months, with August averaging 80% and July slightly higher at 83%. For more detailed insights into July's weather, check out Unterseen weather in July.
August presents a warm and humid climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (82°F) and an average of 15°C (59°F). The month experiences significant rainfall, totaling 203 mm (8.0 in) over approximately 18 days, resulting in a humidity level of 80%. In contrast, September sees a decrease in temperature, with a minimum of 0°C (32°F), an average of 11°C (53°F), and a maximum of 23°C (73°F). Although it remains relatively humid at 83%, precipitation is lighter at 124 mm (4.9 in) spread over 14 days. For more information on September weather in this region, check out Unterseen weather in September.
August typically showcases a warmer climate with average temperatures reaching 15°C (59°F) and maximums of 28°C (82°F), making it ideal for outdoor activities, despite experiencing significant precipitation of 203 mm (8.0 in) over 18 days. In contrast, October presents a much cooler atmosphere, where average temperatures drop to 7°C (45°F) and highs reach only 19°C (67°F). Although it receives less total rainfall at 138 mm (5.4 in) over 13 days, the humidity rises to 90%, giving it a damp feel. For a closer look at the weather conditions during October, visit Unterseen weather in October.
August and November present contrasting weather experiences. In August, temperatures range from a comfortable 5°C (41°F) to a warm 28°C (82°F), accompanied by significant rainfall of 203 mm (8.0 in) over 18 days, resulting in a humid atmosphere with an average humidity of 80%. In stark contrast, November sees cooler temperatures, with a minimum of -10°C (13°F) and a maximum of 18°C (64°F), averaging just 2°C (35°F). Precipitation decreases to 97 mm (3.8 in) spread over 13 days, while humidity rises slightly to 88%. For a detailed look at November weather, you can visit Unterseen weather in November.
The weather in August is distinctly warmer and more humid compared to December. In August, temperatures range from a minimum of 5°C (41°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F), accompanied by significant precipitation of 203 mm (8.0 in) over 18 rainy days and humidity levels around 80%. In contrast, December experiences much colder conditions, with temperatures dipping as low as -13°C (8°F) and peaking at 9°C (49°F), yielding an average of -2°C (29°F). While December has slightly less precipitation at 175 mm (6.9 in) over 17 days, the humidity is higher at 90%. For a closer look at December conditions, check out Unterseen weather in December.
August in Unterseen brings a distinct warmth compared to the cooler months of the year, with temperatures peaking at an inviting 28°C (82°F). While days can be pleasantly sunny, they are often accompanied by considerable humidity and an average of 18 rainy days, making this month notably wetter than its predecessors. The overall atmosphere is a vibrant mix of summer warmth and refreshing showers, setting it apart from the more stable conditions usually present earlier in the season. For a deeper dive into the region’s yearly climate trends, visit Unterseen Climate.