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August Weather in Montana, Switzerland

Last updated: August 27, 2025

In August, the average temperature in Montana, Switzerland hovers around 13°C (56°F). Expect a minimum temperature of 1°C (34°F) and a maximum of 26°C (80°F). During this month, precipitation amounts reach approximately 129 mm (5.1 in) over 16 days, contributing to an average humidity level of 77%.

August Temperature in Montana

In August in Montana, the average temperature is 13°C (56°F). Maximum temperatures can reach 26°C (80°F), while minimums can drop as low as 1°C (34°F). Be prepared for a range of weather conditions if you're planning to travel!

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

The chart illustrates August temperature patterns in Montana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montana, August typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (80°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec162329374353565649412918
Data source: Temperature data for Montana 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 Montana

In Montana in August, the total precipitation amount is 129 mm (5.1 in), recorded over a span of 16 days.

August Precipitation Trends in Montana

The chart displays monthly precipitation patterns in Montana, 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 Montana, August typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec13596122811601301211299013598188
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Montana

In Montana in August humidity is 77%. With average temperature 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities sweaty and uncomfortable.

August Average Humidity in Montana

This chart illustrates the average monthly humidity levels in Montana, 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 Montana is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Montana

In Montana in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Montana.

Maximum UV Index Levels in Montana for August

The chart shows the monthly maximum UV Index (UVI) for Montana 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 Montana typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810111097632
Data source: Montana 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 Montana Compares to Other Months

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

This table compares monthly weather conditions in Montana, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)135 mm (5.3 inches)91%moderate
February Weather-5°C (23°F)95 mm (3.8 inches)89%moderate
March Weather-2°C (29°F)122 mm (4.8 inches)87%high
April Weather3°C (37°F)81 mm (3.2 inches)84%very high
May Weather6°C (43°F)160 mm (6.3 inches)80%very high
June Weather12°C (53°F)130 mm (5.1 inches)82%extreme
July Weather14°C (57°F)121 mm (4.8 inches)82%very high
August Weather13°C (56°F)129 mm (5.1 inches)77%very high
September Weather9°C (49°F)90 mm (3.6 inches)81%high
October Weather5°C (41°F)135 mm (5.3 inches)89%high
November Weather-2°C (29°F)98 mm (3.8 inches)89%moderate
December Weather-8°C (18°F)188 mm (7.4 inches)91%low

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