August Weather in Spiez, Switzerland

Last updated: August 27, 2025

In Spiez, Switzerland, August welcomes warm summer days with maximum temperatures soaring to 28°C (82°F), while the average temperature rests at a comfortable 15°C (59°F). However, the month also brings a notable minimum temperature of 5°C (41°F), ensuring a brisk ambience, especially during the cooler evenings. Residents and visitors should be prepared for a fair share of rain, with precipitation totaling 203 mm (8.0 in) across 18 days, resulting in an 80% humidity level that can add to the summer’s charm. Embrace the vibrant energy of Spiez in August, where lush landscapes and refreshing lake breezes complement the fluctuating weather.

August Temperature in Spiez

In August, Spiez, Switzerland, basks in mild summer warmth, with temperatures averaging a comfortable 15°C (59°F). This month experiences a typical minimum of 5°C (41°F) and a pleasant maximum of 28°C (82°F), making it one of the most inviting times of the year. As summer transitions toward autumn, the temperatures show a gentle decline from the peak warmth of July, yet they remain ideal for outdoor activities and exploration of the stunning landscapes. With such a lovely balance, August offers a taste of summer's warmth as the vibrant alpine scenery begins to shift toward the vibrant hues of fall. Visitors can enjoy extended daylight and the beauty of nature in full bloom, making it a prime time to experience Spiez's rich offerings.

August Weather in Spiez: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Spiez, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Spiez, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec263035414857605953453529
Data source: Temperature data for Spiez generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Spiez

In August, Spiez experiences considerable precipitation, recording 203 mm (8.0 in) across 18 days of rainfall. This positions August as a pivotal month in the summer season, signifying a slight decrease from the wetter months of June and July, which each surpassed 200 mm. The consistent trend of abundant rainfall during the summer months highlights the area's lush landscape, while the occasional dips in precipitation can be seen in the shoulder months of April and September. Overall, August's precipitation contributes to a rich tapestry of natural beauty that defines Spiez, adding to its allure as a picturesque Swiss destination.

August Precipitation Trends in Spiez

The chart displays monthly precipitation patterns in Spiez, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Spiez, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1231031259418222521920312413897175
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Spiez

In Spiez, Switzerland, the month of August greets visitors with a humidity level of 80%, marking a noticeable dip from earlier summer months. Throughout the year, humidity tends to be at its peak during the winter months, averaging around 90% in January and October, while the late spring and summer months see a gradual decline. April and May display a steady improvement as humidity falls to 84% and 80%, respectively, before stabilizing in August. This trend of reduced humidity not only enhances the warmth of summer but also contributes to a more pleasant atmosphere for outdoor activities amidst the stunning alpine backdrop. As the seasons transition, September witnesses a slight rebound in humidity to 83%, reminding us that while summer may bid farewell, the enchanting embrace of Spiez’ climate remains.

August Average Humidity in Spiez

This chart illustrates the average monthly humidity levels in Spiez, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Spiez is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Spiez

In August, Spiez, Switzerland, experiences a UV Index of 9, classified as very high, which calls for caution when enjoying the summer sun. Notably, this month shares the same intense UV levels as the peak months of June and July, emphasizing the importance of protective measures against sunburn, with a burn time of just 15 minutes. Following a gradual climb from the more moderate levels of earlier months, August continues the trend of heightened solar intensity, challenging sun seekers to balance their outdoor activities with adequate sun protection. For more details on the UV Index throughout the year, visit Spiez UV Index.

Maximum UV Index Levels in Spiez for August

The chart shows the monthly maximum UV Index (UVI) for Spiez in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Spiez typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Spiez August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Spiez

In August, Spiez, Switzerland, basks in the glow of approximately 384 hours of sunshine, marking a delightful continuation of the region's vibrant summer. Following a peak in July at 416 hours, August still enjoys substantial sunlight, although it sees a gentle decline as the days begin to shorten. This trend of decreasing sunlight hours transitions into the early autumn months, with September and October witnessing further reductions to 322 and 285 hours, respectively. The progression from the sun-drenched heights of early summer to the crisp beginnings of fall highlights the region's enchanting seasonal rhythms, inviting residents and visitors alike to savor the last warm days of summer.

Monthly Sunshine Duration in Spiez: August Highlighted

The August sunshine duration represents the total number of hours Spiez experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec169h229h299h356h361h386h416h384h322h285h230h195h
Data source: Spiez August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Spiez During August

In August, Spiez, Switzerland enjoys a 38% chance of sunny weather, reflecting a trend of fluctuating sunshine as the summer unfolds. Following a peak in sun probability during the late spring and early summer months, the likelihood remains steady in August but shows a slight dip compared to the sunnier months of May and June. This stability in sunny weather hints at the gentle transition towards autumn, with sun seekers still finding ample opportunity to bask in the warmth before the season shifts. As the year progresses, the chance of sunshine generally rises from the dismal days of January, peaking in mid-year, then settling into a comfortable rhythm that makes August a delightful choice for outdoor activities in this picturesque lakeside town.

Percentage of Sunny Days in August in Spiez

The chart illustrates the percentage of sunny days in Spiez throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Spiez experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%39%44%48%31%33%34%38%38%43%35%41%
Data source: Spiez August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Spiez in August

In August, Spiez, Switzerland enjoys a delightful 14 hours of daylight, marking a gradual transition from the peak summer brightness of 15 hours in the preceding months of June and July. This shift signals the end of the longest days, yet the lingering warmth allows for plenty of time to bask in the summer sun. As the season progresses into September, daylight diminishes to 12 hours, emphasizing the fleeting nature of summer. The trend showcases a rhythmic ebb and flow of sunlight throughout the year, with winter months bringing shorter days of just 8 to 9 hours, contrasting sharply with the luminous days of summer. This seasonal dance of daylight not only shapes the landscape but also invites residents and visitors alike to savor the last golden rays of summer before autumn takes center stage.

Average Daylight Hours in Spiez for August

The chart illustrates the variation in daylight duration in Spiez throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h10h 18m11h 56m13h 36m15h 2m15h 46m15h 22m14h 6m12h 30m10h 50m9h 22m8h 36m
Data source: Spiez daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Spiez

In Spiez, Switzerland, the August wind presents a gentle embrace, with an average speed of 1.3 m/s (3 mph), consistent with the breezy tendencies of summer's close. Over the months, it's clear that the wind speed remains modest, with most of the year hovering between 1.3 m/s and 1.7 m/s. While January and February enjoy slightly higher gusts, August marks the calmest point alongside September. This trend suggests that summer gives way to a whispering wind, inviting enjoyable strolls by the serene shores of Lake Thun. The gradual drop in speeds leading into autumn hints at a transition, as the natural world prepares for the cooler months ahead.

Average August Wind Speed in Spiez

The chart displays monthly wind speed patterns in Spiez, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.71.51.51.61.31.41.3 m/s1.31.51.51.7
Data source: Spiez August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Spiez Compares to Other Months

Weather in Spiez varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Spiez, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present stark contrasts in weather. 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). This summer month experiences significant rainfall, with 203 mm (8.0 in) over 18 days and a humidity level of 80%. Conversely, January is much colder, with temperatures varying from a chilling -19°C (-1°F) to a maximum of 9°C (48°F), averaging -3°C (26°F). Precipitation is lower at 123 mm (4.9 in) occurring over 12 days, yet the humidity is notably higher at 92%. For more details on the January weather, visit Spiez weather in January.

August and February 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 month is characterized by high humidity at 80% and significant precipitation, totaling 203 mm (8.0 in) over roughly 18 days. In contrast, February experiences much colder temperatures, with a minimum of -18°C (-1°F) and a maximum of 14°C (58°F), averaging at -1°C (31°F). Although February has less precipitation at 103 mm (4.0 in) over 11 days, it sees higher humidity levels at 89%. For more details on February weather, you can check out Spiez weather in February.

The weather in August and March presents a stark contrast in temperature and conditions. August boasts a much milder 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). It also experiences significant precipitation, with 203 mm (8.0 in) spread over 18 days, accompanied by high humidity at 80%. In stark comparison, March is much colder, with temperatures plummeting to a minimum of -23°C (-9°F) and an average of just 2°C (36°F). While it has less precipitation at 125 mm (4.9 in) over 15 days, the humidity is slightly higher at 87%. For detailed insights on March weather, you can refer to Spiez weather in March.

In comparing the weather between August and April, one can observe significant differences. August experiences milder temperatures, with a minimum of 5°C (41°F), an average of 15°C (59°F), and a maximum reaching 28°C (82°F), making it generally warmer than April. In contrast, April starts off cooler, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 19°C (67°F), resulting in a lower average of 5°C (42°F). Precipitation levels are also notably higher in August, with 203 mm (8.0 in) over 18 days, compared to April's 94 mm (3.7 in) over 12 days. While both months are characterized by high humidity, August maintains a slightly lower humidity level at 80% compared to April's 84%. For a more detailed look at April's weather, you can visit Spiez weather in April.

When comparing the weather in August and May, August is notably warmer, with average temperatures reaching 15°C (59°F) compared to May's cooler average of 9°C (48°F). While May experiences temperature extremes ranging from a minimum of -7°C (20°F) to a maximum of 25°C (78°F), August offers a milder range, with temperatures ranging from 5°C (41°F) to a maximum of 28°C (82°F). Precipitation levels are somewhat similar, with August receiving 203 mm (8.0 in) over 18 days, while May has slightly less at 182 mm (7.2 in) over 19 days. Both months share a high humidity level of 80%, but the warm conditions of August provide a more comfortable atmosphere overall. For detailed information about May weather patterns, you can visit Spiez weather in May.

In comparing the weather of August and June, we see notable similarities and differences. Both months experience a similar range of temperatures, with August averaging 15°C (59°F) and June slightly cooler at 14°C (57°F), though June sees a maximum temperature of 29°C (85°F), which is comparable to August's peak of 28°C (82°F). Precipitation is slightly higher in June, with 225 mm (8.9 in) occurring over 18 days, compared to August's 203 mm (8.0 in) also over 18 days. Humidity levels are quite close, with June at 82% and August at 80%. For a closer look at June weather specifics, you can visit Spiez weather in June.

In comparing the weather between July and August, both months exhibit similar minimum temperatures, with a low of 5°C (41°F). However, July tends to be slightly warmer overall, averaging 15°C (60°F) with a maximum of 29°C (84°F), compared to August's average of 15°C (59°F) and a maximum of 28°C (82°F). Precipitation levels show a decrease in August, with 203 mm (8.0 in) over 18 days, whereas July sees slightly more rain at 219 mm (8.6 in), also across 18 days. Additionally, humidity levels are slightly lower in August at 80%, compared to 83% in July. For more details on July's weather, you can check Spiez weather in July.

August and September display notable differences in weather patterns. August typically boasts warmer temperatures, with a minimum of 5°C (41°F) and an average high of 28°C (82°F), while September cools down, featuring a minimum of 0°C (32°F) and a maximum of 23°C (73°F). Additionally, August is characterized by higher precipitation levels, receiving 203 mm (8.0 in) over 18 days, compared to September's 124 mm (4.9 in) over 14 days. Despite these differences, humidity levels remain relatively high, with August at 80% and September slightly higher at 83%. For a detailed view of September’s weather specifics, check out Spiez weather in September.

August and October present a striking contrast in weather conditions. In August, temperatures can range from a mild 5°C (41°F) at night to a warm 28°C (82°F) during the day, with an average of 15°C (59°F). This month is characterized by significant rainfall, totaling 203 mm (8.0 in) over 18 days, and moderate humidity at 80%. In comparison, October sees a notable drop in temperatures, with a minimum of -4°C (26°F) and an average of 7°C (45°F), peaking at 19°C (67°F). Although October experiences less precipitation at 138 mm (5.4 in) over 13 days, the humidity increases to 90%, creating a chilly and damp atmosphere. For more specific information, you can check Spiez weather in October.

August and November exhibit strikingly different weather patterns. In August, temperatures typically range from a minimum of 5°C (41°F) to a maximum of 28°C (82°F), with an average temperature of 15°C (59°F). This month experiences significant rainfall, with a total precipitation of 203 mm (8.0 in) over 18 days, accompanied by high humidity levels of around 80%.

In contrast, November sees much cooler temperatures, with a minimum of -10°C (13°F) and an average of 2°C (35°F), peaking at 18°C (64°F). Although the total precipitation is lower at 97 mm (3.8 in) over 13 days, the humidity rises to 88%, contributing to a chilly atmosphere. For a closer look at what to expect, you can visit Spiez weather in November.

In comparing the weather of August and December, it's clear that the two months present starkly different climates. August boasts a mild average temperature of 15°C (59°F) with highs reaching up to 28°C (82°F), making it a warm month despite experiencing substantial rainfall of 203 mm (8.0 in) over 18 days. The humidity hovers around 80%, contributing to a warm and somewhat muggy atmosphere. In contrast, December is marked by much colder conditions, where average temperatures fall to -2°C (29°F), with lows plummeting to -13°C (8°F) and maxes only reaching 9°C (49°F). This month sees slightly less precipitation at 175 mm (6.9 in) over 17 days and an increased humidity of 90%, creating a crisp and chilly environment. For more specific weather details, you can check Spiez weather in December.

Compare Spiez's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Spiez

As August rolls into Spiez, the weather transforms into a warm embrace compared to the cooler months that precede it. With a maximum temperature peaking at 28°C, the days invite outdoor exploration, yet the average temperature of 15°C and cooler nights ensure comfort for evening strolls. While rainfall is not uncommon, with about 18 days experiencing precipitation totaling 203 mm, the lush landscapes thrive under the humidity of 80%. This unique combination of warmth and moisture sets August apart, making it a lively yet refreshing month in Spiez's climate. For a deeper dive into seasonal variations, explore Spiez Climate.