October Weather in Amherst, United States

Last updated: June 24, 2025

In Amherst, United States, the average temperature in October hovers around 12°C (54°F). Expect a range of conditions, with minimums dipping to -5°C (23°F) and maximums reaching 28°C (82°F). During this month, precipitation amounts to 134 mm (5.3 in) over 12 days, and the overall humidity sits comfortably at 78%. Prepare accordingly for a mix of crisp and refreshing weather!

October Temperature in Amherst

In October in Amherst, the average temperature is 12°C (54°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -5°C (23°F). Travelers should pack for a mix of mild days and chilly nights, ensuring they are prepared for varying weather conditions.

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 12°C (54°F), with highs reaching up to 28°C (82°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Amherst generated using information from the Copernicus Climate Change Service.

October Precipitation in Amherst

In Amherst in October, the precipitation amount is 134 mm (5.3 in) over a period of 12 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 134 mm (5.3 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Amherst

In Amherst in October humidity is 78%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill settling in, making travel a bit uncomfortable as the air clings to your skin, leaving you feeling cooler than the thermometer suggests.

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 78%, offering insight into how humid the weather typically is during this month.

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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Amherst, you can refer to this 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 6, which falls under the high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	75 mm (2.9 inches)	86%	moderate
February Weather	-1°C (30°F)	88 mm (3.5 inches)	84%	moderate
March Weather	2°C (35°F)	83 mm (3.3 inches)	82%	moderate
April Weather	8°C (47°F)	132 mm (5.2 inches)	80%	very high
May Weather	14°C (58°F)	86 mm (3.4 inches)	72%	very high
June Weather	20°C (68°F)	89 mm (3.5 inches)	72%	very high
July Weather	23°C (73°F)	150 mm (5.9 inches)	67%	very high
August Weather	22°C (72°F)	97 mm (3.8 inches)	66%	very high
September Weather	18°C (65°F)	85 mm (3.3 inches)	71%	high
October Weather	12°C (54°F)	134 mm (5.3 inches)	78%	high
November Weather	4°C (40°F)	103 mm (4.0 inches)	84%	moderate
December Weather	-1°C (31°F)	124 mm (4.9 inches)	81%	low