April Weather in Smithers, Canada

Last updated: June 18, 2025

In April, the average temperature in Smithers, Canada hovers around 1°C (33°F). While it can dip as low as -18°C (-1°F), temperatures may also reach a pleasant 16°C (61°F). Expect 53 mm (2.1 in) of precipitation over approximately 13 days, accompanied by a high average humidity of 91%. Stay prepared for a chilly and damp experience!

April Temperature in Smithers

In April in Smithers, the average temperature is 1°C (33°F). The maximum can reach 16°C (61°F), while the minimum can drop as low as -18°C (-1°F). It's advisable to pack warm clothing and be prepared for chilly conditions during your travels.

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

The chart illustrates April temperature patterns in Smithers, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smithers, April typically has an average temperature of 1°C (33°F), with highs reaching up to 16°C (61°F) and lows dropping to around -18°C (-1°F).

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

April Precipitation in Smithers

In Smithers in April, the precipitation amount is 53 mm (2.1 in) over the course of 13 days.

April Precipitation Trends in Smithers

The chart displays monthly precipitation patterns in Smithers, 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 Smithers, April typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 13 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 Smithers

In Smithers in April humidity is 91%. With an average temperature of 1°C (33°F), this humidity feels like a bone-chilling dampness that seeps into your clothing, making it feel much colder as you travel.

April Average Humidity in Smithers

This chart illustrates the average monthly humidity levels in Smithers, 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 Smithers is approximately 91%, 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 Smithers

In Smithers in April, 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 Smithers.

Maximum UV Index Levels in Smithers for April

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

Data source: Smithers 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 Smithers Compares to Other Months

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

This table compares monthly weather conditions in Smithers, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	102 mm (4.0 inches)	96%	low
February Weather	-9°C (16°F)	76 mm (3.0 inches)	94%	low
March Weather	-3°C (27°F)	82 mm (3.2 inches)	93%	moderate
April Weather	1°C (33°F)	53 mm (2.1 inches)	91%	moderate
May Weather	7°C (44°F)	65 mm (2.5 inches)	88%	very high
June Weather	10°C (51°F)	82 mm (3.2 inches)	84%	very high
July Weather	13°C (55°F)	83 mm (3.3 inches)	87%	very high
August Weather	12°C (54°F)	75 mm (2.9 inches)	88%	high
September Weather	8°C (46°F)	112 mm (4.4 inches)	91%	high
October Weather	1°C (35°F)	125 mm (4.9 inches)	95%	moderate
November Weather	-3°C (27°F)	151 mm (5.9 inches)	98%	low
December Weather	-8°C (17°F)	91 mm (3.6 inches)	98%	low