October Weather in Duncan, Canada

Last updated: June 18, 2025

In Duncan, Canada, the average temperature in October hovers around 9°C (49°F). Daily highs can reach up to 22°C (73°F), while temperatures can dip as low as -2°C (28°F). Expect a wet month with 151 mm (6.0 in) of precipitation spread over approximately 13 days, and enjoy the cool, refreshing atmosphere with an average humidity of 88%.

October Temperature in Duncan

In October in Duncan, the average temperature is 9°C (49°F). Maximums can reach 22°C (73°F), while minimums can drop to as low as -2°C (28°F). This range of temperatures makes Duncan an ideal destination for travelers seeking a mix of milder weather and the chance to experience cooler conditions.

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

The chart illustrates October temperature patterns in Duncan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Duncan, October typically has an average temperature of 9°C (49°F), with highs reaching up to 22°C (73°F) and lows dropping to around -2°C (28°F).

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

October Precipitation in Duncan

In Duncan in October, the precipitation amount is 151 mm (6.0 in) over a period of 13 days.

October Precipitation Trends in Duncan

The chart displays monthly precipitation patterns in Duncan, 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 Duncan, October typically receives around 151 mm (6.0 inches) of precipitation spread over approximately 13 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 Duncan

In Duncan in October, humidity is 88%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

October Average Humidity in Duncan

This chart illustrates the average monthly humidity levels in Duncan, 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 Duncan is approximately 88%, 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 Duncan

In Duncan 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 Duncan for better planning.

Maximum UV Index Levels in Duncan for October

The chart shows the monthly maximum UV Index (UVI) for Duncan 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 Duncan typically reaches 4, which falls under the moderate exposure category.

Data source: Duncan 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 Duncan Compares to Other Months

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

This table compares monthly weather conditions in Duncan, 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 (38°F)	215 mm (8.5 inches)	86%	low
February Weather	2°C (36°F)	131 mm (5.2 inches)	85%	moderate
March Weather	5°C (41°F)	118 mm (4.6 inches)	86%	moderate
April Weather	8°C (47°F)	111 mm (4.4 inches)	86%	high
May Weather	12°C (55°F)	54 mm (2.1 inches)	81%	very high
June Weather	15°C (60°F)	48 mm (1.9 inches)	83%	very high
July Weather	18°C (65°F)	18 mm (0.7 inches)	84%	very high
August Weather	19°C (66°F)	24 mm (1.0 inches)	77%	very high
September Weather	15°C (59°F)	120 mm (4.7 inches)	76%	high
October Weather	9°C (49°F)	151 mm (6.0 inches)	88%	moderate
November Weather	6°C (43°F)	245 mm (9.6 inches)	87%	low
December Weather	3°C (37°F)	214 mm (8.4 inches)	87%	low