August Weather in Shannon, Canada

Last updated: June 18, 2025

In August, the average temperature in Shannon, Canada is a pleasant 17°C (63°F). You can expect lows of around 5°C (42°F) and highs reaching 28°C (83°F). During this month, the area receives about 136 mm (5.3 in) of precipitation over approximately 16 days, contributing to an average humidity of 81%.

August Temperature in Shannon

In August in Shannon, the average temperature is 17°C (63°F). Maximum temperatures can reach up to 28°C (83°F), while minimums can drop as low as 5°C (42°F). It's an ideal time for travelers to enjoy moderate weather and outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 17°C (63°F), with highs reaching up to 28°C (83°F) and lows dropping to around 5°C (42°F).

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

August Precipitation in Shannon

In Shannon in August, the precipitation amount is 136 mm (5.3 in) distributed over 16 days.

August Precipitation Trends in Shannon

The chart displays monthly precipitation patterns in Shannon, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Shannon, August typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Shannon

In Shannon in August humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

August Average Humidity in Shannon

This chart illustrates the average monthly humidity levels in Shannon, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Shannon is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Shannon

In Shannon in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Shannon.

Maximum UV Index Levels in Shannon for August

The chart shows the monthly maximum UV Index (UVI) for Shannon in August, 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 August, the maximum UV index in Shannon typically reaches 8, which falls under the very high exposure category.

Data source: Shannon August 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 August 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 August’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 August’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