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August Weather in Olten, Switzerland

Last updated: August 27, 2025

In August, the average temperature in Olten, Switzerland is a comfortable 19°C (66°F). Expect minimums dipping to 7°C (45°F) and highs soaring up to 32°C (90°F). With 158 mm (6.2 in) of precipitation spread over 17 days, you may want to pack an umbrella. Humidity levels typically hover around 80%, adding a touch of tropical warmth to the mix!

August Temperature in Olten

In August in Olten, the average temperature is 19°C (66°F). Maximums can reach 32°C (90°F), and minimums can be as low as 7°C (45°F). This pleasant climate makes Olten an ideal destination for travelers seeking a comfortable escape.

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

The chart illustrates August temperature patterns in Olten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olten, August typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec343843495565676659504036
Data source: Temperature data for Olten 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 Olten

In Olten in August, the total precipitation amount is 158 mm (6.2 in), occurring over the course of 17 days.

August Precipitation Trends in Olten

The chart displays monthly precipitation patterns in Olten, 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 Olten, August typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec9985100731501421651589110972133
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Olten

In Olten in August humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.

August Average Humidity in Olten

This chart illustrates the average monthly humidity levels in Olten, 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 Olten is approximately 80%, 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 Olten

In Olten in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Olten.

Maximum UV Index Levels in Olten for August

The chart shows the monthly maximum UV Index (UVI) for Olten 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 Olten typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Olten 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.

How August Weather in Olten Compares to Other Months

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

This table compares monthly weather conditions in Olten, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)99 mm (3.9 inches)92%low
February Weather3°C (38°F)85 mm (3.3 inches)89%moderate
March Weather6°C (43°F)100 mm (4.0 inches)87%moderate
April Weather10°C (50°F)73 mm (2.9 inches)84%high
May Weather13°C (56°F)150 mm (5.9 inches)80%very high
June Weather18°C (65°F)142 mm (5.6 inches)82%very high
July Weather19°C (67°F)165 mm (6.5 inches)83%very high
August Weather19°C (66°F)158 mm (6.2 inches)80%very high
September Weather15°C (59°F)91 mm (3.6 inches)83%high
October Weather10°C (51°F)109 mm (4.3 inches)90%moderate
November Weather5°C (41°F)72 mm (2.8 inches)88%low
December Weather2°C (37°F)133 mm (5.2 inches)90%low

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