April Weather in Shannon, Canada

Last updated: June 18, 2025

In April, the average temperature in Shannon, Canada hovers around 2°C (36°F). While it can dip to a chilly -16°C (4°F), the thermometer may also reach a pleasant 18°C (65°F). Expect 121 mm (4.8 in) of precipitation spread over 14 days, adding to the overall 87% humidity that characterizes this time of year.

April Temperature in Shannon

In April in Shannon, the average temperature is 2°C (36°F), with maximums reaching 18°C (65°F) and minimums dipping as low as -16°C (4°F). Travelers should be prepared for a wide range of temperatures, making versatile clothing essential for enjoying the varied weather.

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

The chart illustrates April 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, April typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (65°F) and lows dropping to around -16°C (4°F).

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

April Precipitation in Shannon

In Shannon in April, the precipitation amount is 121 mm (4.8 in) over a span of 14 days.

April Precipitation Trends in Shannon

The chart displays monthly precipitation patterns in Shannon, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Shannon, April typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Shannon

In Shannon in April, humidity is 87%. With an average temperature of 2°C (36°F), this humidity feels like an unwelcome chill that seeps into your bones, making outdoor exploration feel damp and heavy, and encouraging travelers to seek the warmth of indoor attractions instead.

April Average Humidity in Shannon

This chart illustrates the average monthly humidity levels in Shannon, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Shannon is approximately 87%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Shannon

In Shannon in April, 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 April

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

Data source: Shannon April 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 April 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 April’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 April’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