Last updated: June 18, 2025
In April, the average temperature in Smiths Falls, Canada hovers around 6°C (43°F), with a striking range where minimums can drop to -11°C (13°F) and highs can reach 27°C (81°F). During this month, expect approximately 116 mm (4.6 in) of precipitation over 13 days, contributing to an average humidity of 82%.
In April in Smiths Falls, the average temperature is 6°C (43°F), with maximums reaching 27°C (81°F) and minimums dipping as low as -11°C (13°F). This range makes Smiths Falls ideal for travelers who enjoy experiencing both mild and chilly weather.
In Smiths Falls in April, the total precipitation amount reaches 116 mm (4.6 in) over the course of 13 days.
In Smiths Falls in April, humidity is 82%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel less invigorating and more uncomfortable, as the heavy air can leave you feeling sluggish and fatigued during your travels.
In Smiths Falls 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 Smiths Falls.
UV Risk Categories
Weather in Smiths Falls varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Smiths Falls, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (19°F) | 73 mm (2.9 inches) | 93% | low |
| February Weather | -6°C (21°F) | 74 mm (2.9 inches) | 93% | moderate |
| March Weather | -2°C (29°F) | 77 mm (3.0 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 116 mm (4.6 inches) | 82% | very high |
| May Weather | 13°C (55°F) | 103 mm (4.1 inches) | 75% | very high |
| June Weather | 18°C (64°F) | 87 mm (3.4 inches) | 68% | very high |
| July Weather | 22°C (71°F) | 113 mm (4.4 inches) | 69% | very high |
| August Weather | 20°C (69°F) | 91 mm (3.6 inches) | 67% | very high |
| September Weather | 16°C (62°F) | 57 mm (2.2 inches) | 72% | high |
| October Weather | 10°C (50°F) | 130 mm (5.1 inches) | 83% | moderate |
| November Weather | 2°C (35°F) | 91 mm (3.6 inches) | 88% | moderate |
| December Weather | -4°C (25°F) | 77 mm (3.0 inches) | 89% | low |