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August Weather in Amherst, United States

Last updated: June 24, 2025

In August, the average temperature in Amherst, United States hovers around 20°C (69°F). Expect a range from a cool 6°C (43°F) to a warm 32°C (90°F). During this month, rainfall totals about 137 mm (5.4 in) over 12 days, contributing to an average humidity of 73%. Stay prepared for both sunshine and showers!

August Temperature in Amherst

In August in Amherst, the average temperature is 20°C (69°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 6°C (43°F). This climate makes it an ideal time for travelers to enjoy outdoor activities while being prepared for varying temperatures.

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

The chart illustrates August temperature patterns in Amherst, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amherst, August typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec181933435768726962483425
Data source: Temperature data for Amherst 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 Amherst

In Amherst in August, the precipitation amount is 137 mm (5.4 in) that occurs over the course of 12 days.

August Precipitation Trends in Amherst

The chart displays monthly precipitation patterns in Amherst, 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 Amherst, August typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec385162102110113129137981064953
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Amherst

In Amherst in August humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

August Average Humidity in Amherst

This chart illustrates the average monthly humidity levels in Amherst, 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 Amherst is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Amherst

In Amherst 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 Amherst.

Maximum UV Index Levels in Amherst for August

The chart shows the monthly maximum UV Index (UVI) for Amherst 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 Amherst typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Amherst 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 Amherst Compares to Other Months

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

This table compares monthly weather conditions in Amherst, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)38 mm (1.5 inches)89%low
February Weather-7°C (19°F)51 mm (2.0 inches)90%moderate
March Weather0°C (33°F)62 mm (2.4 inches)87%moderate
April Weather6°C (43°F)102 mm (4.0 inches)84%very high
May Weather14°C (57°F)110 mm (4.3 inches)77%very high
June Weather20°C (68°F)113 mm (4.5 inches)75%very high
July Weather22°C (72°F)129 mm (5.1 inches)74%very high
August Weather20°C (69°F)137 mm (5.4 inches)73%very high
September Weather17°C (62°F)98 mm (3.8 inches)78%high
October Weather9°C (49°F)106 mm (4.2 inches)84%moderate
November Weather1°C (34°F)49 mm (1.9 inches)89%moderate
December Weather-4°C (25°F)53 mm (2.1 inches)87%low

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