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October Weather in Greenstone, Canada

Last updated: June 18, 2025

In October, the average temperature in Greenstone, Canada hovers around 4°C (40°F). Expect a chilly climate, with minimum temperatures plummeting to -10°C (15°F) and reaching a pleasant maximum of 22°C (72°F). Prepare for some rain as 84 mm (3.3 in) of precipitation typically falls over 14 days, accompanied by a high average humidity of 84%.

October Temperature in Greenstone

In October in Greenstone, the average temperature is 4°C (40°F). The maximum can reach 22°C (72°F), while the minimum can be as low as -10°C (15°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable during their visit.

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

The chart illustrates October temperature patterns in Greenstone, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenstone, October typically has an average temperature of 4°C (40°F), with highs reaching up to 22°C (72°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec4418304759656252402410
Data source: Temperature data for Greenstone 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 Greenstone

In Greenstone in October, the precipitation amount is 84 mm (3.3 in) over the course of 14 days.

October Precipitation Trends in Greenstone

The chart displays monthly precipitation patterns in Greenstone, 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 Greenstone, October typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec2743375959777070123846455
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Greenstone

In Greenstone in October, humidity is 84%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

October Average Humidity in Greenstone

This chart illustrates the average monthly humidity levels in Greenstone, 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 Greenstone is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%93%89%77%71%67%72%78%84%88%94%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Greenstone

In Greenstone in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Greenstone for better planning.

Maximum UV Index Levels in Greenstone for October

The chart shows the monthly maximum UV Index (UVI) for Greenstone 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 Greenstone typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234789886421
Data source: Greenstone 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 Greenstone Compares to Other Months

Weather in Greenstone varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Greenstone, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Greenstone, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-15°C (5°F)27 mm (1.1 inches)95%low
February Weather-15°C (5°F)43 mm (1.7 inches)94%moderate
March Weather-8°C (18°F)37 mm (1.4 inches)93%moderate
April Weather-1°C (31°F)59 mm (2.3 inches)89%high
May Weather8°C (47°F)59 mm (2.3 inches)77%very high
June Weather15°C (59°F)77 mm (3.0 inches)71%very high
July Weather18°C (66°F)70 mm (2.8 inches)67%very high
August Weather16°C (62°F)70 mm (2.8 inches)71%very high
September Weather11°C (53°F)123 mm (4.8 inches)78%high
October Weather4°C (40°F)84 mm (3.3 inches)84%moderate
November Weather-4°C (24°F)64 mm (2.5 inches)88%low
December Weather-12°C (11°F)55 mm (2.2 inches)94%low

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