October Weather in Shannon, Canada

Last updated: June 18, 2025

In October, the average temperature in Shannon, Canada hovers around 6°C (43°F). Expect a minimum of -12°C (10°F) and a maximum reaching up to 20°C (69°F). During this period, precipitation totals approximately 152 mm (6.0 in), typically spread over 15 days. The air is often quite moist, with an average humidity of 87%, making it feel even chillier!

October Temperature in Shannon

In October in Shannon, the average temperature is 6°C (43°F). The maximum can reach 20°C (69°F), while the minimum can drop as low as -12°C (10°F). Be sure to pack layers to prepare for a wide range of temperatures during your travels.

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

The chart illustrates October temperature patterns in Shannon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shannon, October typically has an average temperature of 6°C (43°F), with highs reaching up to 20°C (69°F) and lows dropping to around -12°C (10°F).

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

October Precipitation in Shannon

In Shannon in October, the precipitation amount is 152 mm (6.0 in) over the course of 15 days.

October Precipitation Trends in Shannon

The chart displays monthly precipitation patterns in Shannon, 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 Shannon, October typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 15 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 Shannon

In Shannon in October, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.

October Average Humidity in Shannon

This chart illustrates the average monthly humidity levels in Shannon, 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 Shannon is approximately 87%, 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 Shannon

In Shannon 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 Shannon.

Maximum UV Index Levels in Shannon for October

The chart shows the monthly maximum UV Index (UVI) for Shannon 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 Shannon typically reaches 5, which falls under the moderate exposure category.

Data source: Shannon 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 Shannon Compares to Other Months

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

This table compares monthly weather conditions in Shannon, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-12°C (11°F)	95 mm (3.7 inches)	95%	low
February Weather	-11°C (13°F)	94 mm (3.7 inches)	93%	moderate
March Weather	-5°C (22°F)	106 mm (4.2 inches)	90%	moderate
April Weather	2°C (36°F)	121 mm (4.8 inches)	87%	very high
May Weather	10°C (50°F)	114 mm (4.5 inches)	79%	very high
June Weather	15°C (60°F)	150 mm (5.9 inches)	73%	very high
July Weather	18°C (65°F)	137 mm (5.4 inches)	81%	very high
August Weather	17°C (63°F)	136 mm (5.3 inches)	81%	very high
September Weather	13°C (55°F)	127 mm (5.0 inches)	81%	high
October Weather	6°C (43°F)	152 mm (6.0 inches)	87%	moderate
November Weather	-2°C (28°F)	152 mm (6.0 inches)	89%	moderate
December Weather	-9°C (16°F)	126 mm (5.0 inches)	92%	low