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October Weather in Amherst, Canada

Last updated: June 18, 2025

In October, the average temperature in Amherst, Canada is a cool 9°C (49°F). While temperatures can dip as low as -6°C (22°F), they can also rise to a balmy 24°C (76°F). Expect around 80 mm (3.2 in) of precipitation over 10 days, with humidity levels averaging a high 83%.

October Temperature in Amherst

In October in Amherst, the average temperature is 9°C (49°F), with maximums reaching 24°C (76°F) and minimums dropping as low as -6°C (22°F). Travelers should be prepared for a wide range of temperatures during this time.

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 9°C (49°F), with highs reaching up to 24°C (76°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec222329404959666759493727
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 80 mm (3.2 in) over a span of 10 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 80 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec861017894979478789880143105
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 83%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable for traveling and requiring extra layers to stay warm and dry.

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.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%82%82%82%84%86%85%83%83%85%83%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
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 Weather-5°C (23°F)86 mm (3.4 inches)82%low
February Weather-5°C (24°F)101 mm (4.0 inches)83%moderate
March Weather-2°C (29°F)78 mm (3.1 inches)82%moderate
April Weather5°C (41°F)94 mm (3.7 inches)82%high
May Weather10°C (49°F)97 mm (3.8 inches)82%very high
June Weather15°C (60°F)94 mm (3.7 inches)84%very high
July Weather19°C (66°F)78 mm (3.1 inches)86%very high
August Weather19°C (67°F)78 mm (3.1 inches)85%very high
September Weather15°C (60°F)98 mm (3.9 inches)83%high
October Weather9°C (49°F)80 mm (3.2 inches)83%moderate
November Weather3°C (38°F)143 mm (5.6 inches)85%moderate
December Weather-3°C (28°F)105 mm (4.1 inches)83%low

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