October Weather in Amherst, United States

Last updated: June 24, 2025

In Amherst, United States, the average temperature in October hovers around 12°C (55°F), providing a mild climate for outdoor activities. Expect a minimum dip to 0°C (32°F) and a pleasant peak reaching up to 29°C (84°F). With 122 mm (4.8 in) of precipitation spread over 16 days, be prepared for some rainy spells. The air is quite humid, averaging at 83%, making it an ideal time to enjoy the lush greenery characteristic of this season.

October Temperature in Amherst

In October in Amherst, the average temperature is 12°C (55°F). Maximum temperatures can reach 29°C (84°F), while minimum temperatures can dip as low as 0°C (32°F). Be prepared for a range of weather conditions, making it a great time for both outdoor activities and cozy indoor explorations.

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 (55°F), with highs reaching up to 29°C (84°F) and lows dropping to around 0°C (32°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 122 mm (4.8 in) spread over 16 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 122 mm (4.8 inches) of precipitation spread over approximately 16 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 83%. With an average temperature of 12°C (55°F), this humidity feels like a cool, damp embrace that makes exploring the area both refreshing and slightly uncomfortable, requiring travelers to dress in layers and stay hydrated.

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 83%, 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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check 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 5, which falls under the moderate 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 (28°F)	76 mm (3.0 inches)	91%	low
February Weather	-2°C (29°F)	80 mm (3.2 inches)	91%	moderate
March Weather	2°C (36°F)	68 mm (2.7 inches)	88%	moderate
April Weather	8°C (46°F)	115 mm (4.5 inches)	88%	very high
May Weather	14°C (58°F)	98 mm (3.9 inches)	82%	very high
June Weather	20°C (68°F)	79 mm (3.1 inches)	79%	very high
July Weather	23°C (73°F)	130 mm (5.1 inches)	77%	very high
August Weather	22°C (72°F)	80 mm (3.2 inches)	72%	very high
September Weather	18°C (65°F)	72 mm (2.8 inches)	76%	high
October Weather	12°C (55°F)	122 mm (4.8 inches)	83%	moderate
November Weather	5°C (41°F)	84 mm (3.3 inches)	88%	moderate
December Weather	0°C (33°F)	89 mm (3.5 inches)	87%	low