nomadseason

August Weather in Smiths Falls, Canada

Last updated: June 18, 2025

In Smiths Falls, Canada, the average temperature in August is a pleasant 20°C (69°F). However, temperatures can vary, with minimums dropping to 7°C (46°F) and maxing out at 32°C (90°F). Be prepared for some rainfall, as the area sees approximately 91 mm (3.6 in) of precipitation over 14 days. With an average humidity of 67%, it’s a month that invites both warm days and refreshing breezes.

August Temperature in Smiths Falls

In August in Smiths Falls, the average temperature is 20°C (69°F). Maximums can reach 32°C (90°F) and minimums can be as low as 7°C (46°F). This makes it a perfect time for travelers to enjoy a mix of warm days and cool evenings.

August Weather in Smiths Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Smiths Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smiths Falls, August typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec182129425564716961503525
Data source: Temperature data for Smiths Falls generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Smiths Falls

In Smiths Falls in August, the precipitation amount is 91 mm (3.6 in) over a span of 14 days.

August Precipitation Trends in Smiths Falls

The chart displays monthly precipitation patterns in Smiths Falls, 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 Smiths Falls, August typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7374771161038711391571309177
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Smiths Falls

In Smiths Falls in August, humidity is 67%. With an average temperature of 20°C (69°F), this humidity feels like a warm, gentle embrace that clings to your skin, creating a comfortable yet slightly sticky atmosphere that can be refreshing while exploring the sights, provided you stay hydrated and take breaks in the shade.

August Average Humidity in Smiths Falls

This chart illustrates the average monthly humidity levels in Smiths Falls, 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 Smiths Falls is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Smiths Falls

In Smiths Falls 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 Smiths Falls.

Maximum UV Index Levels in Smiths Falls for August

The chart shows the monthly maximum UV Index (UVI) for Smiths Falls 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 Smiths Falls typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899987532
Data source: Smiths Falls 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 Smiths Falls Compares to Other Months

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

This table compares monthly weather conditions in Smiths Falls, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather6°C (43°F)116 mm (4.6 inches)82%very high
May Weather13°C (55°F)103 mm (4.1 inches)75%very high
June Weather18°C (64°F)87 mm (3.4 inches)68%very high
July Weather22°C (71°F)113 mm (4.4 inches)69%very high
August Weather20°C (69°F)91 mm (3.6 inches)67%very high
September Weather16°C (62°F)57 mm (2.2 inches)72%high
October Weather10°C (50°F)130 mm (5.1 inches)83%moderate
November Weather2°C (35°F)91 mm (3.6 inches)88%moderate
December Weather-4°C (25°F)77 mm (3.0 inches)89%low

Compare Smiths Falls's Climate with Cities Worldwide