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October Weather in Amherst, United States

Last updated: June 24, 2025

In October, the average temperature in Amherst, United States is a pleasant 15°C (60°F). However, be prepared for some fluctuations, as temperatures can dip to a chilling -6°C (21°F) or soar up to a scorching 35°C (95°F). Expect 63 mm (2.5 in) of precipitation spread over roughly 6 days of the month, and with an average humidity level of 71%, it’s advisable to pack accordingly!

October Temperature in Amherst

In October in Amherst, the average temperature is 15°C (60°F). The maximum can reach 35°C (95°F), and the minimum can be as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both lightweight clothing for the heat and warmer layers for cooler evenings.

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

The chart illustrates October 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, October typically has an average temperature of 15°C (60°F), with highs reaching up to 35°C (95°F) and lows dropping to around -6°C (21°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.

October Precipitation in Amherst

In Amherst in October, the precipitation amount is 63 mm (2.5 in) spread over a duration of 6 days.

October Precipitation Trends in Amherst

The chart displays monthly precipitation patterns in Amherst, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Amherst, October typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec161135224938313944631615
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Amherst

In Amherst in October humidity is 71%. With an average temperature of 15°C (60°F), this humidity feels like a warm blanket wrapped around you, making travel slightly uncomfortable as you feel sticky and sluggish.

October Average Humidity in Amherst

This chart illustrates the average monthly humidity levels in Amherst, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Amherst is approximately 71%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Amherst

In Amherst in October, 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 Amherst.

Maximum UV Index Levels in Amherst for October

The chart shows the monthly maximum UV Index (UVI) for Amherst in October, 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 October, the maximum UV index in Amherst typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111112121210864
Data source: Amherst October 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 October 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 October’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 October’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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