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August Weather in Garrison, United States

Last updated: June 24, 2025

In August, the average temperature in Garrison, United States hovers around 20°C (68°F), offering a pleasant climate for outdoor activities. However, be prepared for some fluctuations, as temperatures can dip to a cool 8°C (46°F) or soar to a sizzling 38°C (100°F). Expect about 57 mm (2.2 in) of precipitation over 8 days, contributing to the region's average humidity of 78%—so pack an umbrella and stay refreshed!

August Temperature in Garrison

In August in Garrison, the average temperature is 20°C (68°F), with maximums that can reach up to 38°C (100°F) and minimums that can drop as low as 8°C (46°F). This diverse temperature range makes Garrison an ideal destination for travelers looking to experience both warm days and cooler evenings.

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

The chart illustrates August temperature patterns in Garrison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garrison, August typically has an average temperature of 20°C (68°F), with highs reaching up to 38°C (100°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec121027375467726859422919
Data source: Temperature data for Garrison 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 Garrison

In Garrison in August, the precipitation amount is 57 mm (2.2 in) over the course of 8 days.

August Precipitation Trends in Garrison

The chart displays monthly precipitation patterns in Garrison, 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 Garrison, August typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec131626263966635768402121
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Garrison

In Garrison in August humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

August Average Humidity in Garrison

This chart illustrates the average monthly humidity levels in Garrison, 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 Garrison is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%88%78%75%76%79%78%78%69%71%82%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Garrison

In Garrison 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 Garrison.

Maximum UV Index Levels in Garrison for August

The chart shows the monthly maximum UV Index (UVI) for Garrison 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 Garrison typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245989987532
Data source: Garrison 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 Garrison Compares to Other Months

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

This table compares monthly weather conditions in Garrison, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)13 mm (0.5 inches)84%low
February Weather-12°C (10°F)16 mm (0.6 inches)88%moderate
March Weather-3°C (28°F)26 mm (1.0 inches)78%moderate
April Weather3°C (38°F)26 mm (1.0 inches)75%very high
May Weather12°C (54°F)39 mm (1.5 inches)76%very high
June Weather19°C (67°F)66 mm (2.6 inches)79%very high
July Weather22°C (72°F)63 mm (2.5 inches)78%very high
August Weather20°C (68°F)57 mm (2.2 inches)78%very high
September Weather15°C (59°F)68 mm (2.7 inches)69%high
October Weather6°C (43°F)40 mm (1.6 inches)71%moderate
November Weather-2°C (29°F)21 mm (0.8 inches)82%moderate
December Weather-7°C (20°F)21 mm (0.8 inches)84%low

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