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August Weather in Amherst, United States

Last updated: June 24, 2025

In Amherst, United States, the average temperature in August hovers around 26°C (79°F). However, be prepared for a range that can dip to a cool 13°C (56°F) and soar up to a scorching 41°C (105°F). During this month, you can expect about 39 mm (1.5 in) of precipitation over 7 days, with an average humidity level of 66%.

August Temperature in Amherst

In August in Amherst, the average temperature is 26°C (79°F), with maximums reaching up to 41°C (105°F) and minimums dropping as low as 13°C (56°F). Be prepared for a wide range of temperatures while exploring this destination!

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 26°C (79°F), with highs reaching up to 41°C (105°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec404354607078817973605043
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 39 mm (1.5 in) over the course of 7 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 39 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec161135224938313944631615
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 66%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making outdoor activities invigorating yet requiring occasional breaks in the shade to stay comfortable while traveling.

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 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%61%61%67%69%69%66%71%71%82%80%
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 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111112121210864
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 Weather5°C (41°F)16 mm (0.6 inches)75%moderate
February Weather6°C (44°F)11 mm (0.4 inches)74%high
March Weather12°C (54°F)35 mm (1.4 inches)61%very high
April Weather16°C (60°F)22 mm (0.9 inches)61%extreme
May Weather21°C (70°F)49 mm (1.9 inches)67%extreme
June Weather26°C (78°F)38 mm (1.5 inches)69%extreme
July Weather27°C (81°F)31 mm (1.2 inches)69%extreme
August Weather26°C (79°F)39 mm (1.5 inches)66%extreme
September Weather23°C (73°F)44 mm (1.7 inches)71%very high
October Weather15°C (60°F)63 mm (2.5 inches)71%very high
November Weather10°C (50°F)16 mm (0.6 inches)82%high
December Weather6°C (44°F)15 mm (0.6 inches)80%moderate

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