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August Weather in Fort Smith, Canada

Last updated: June 18, 2025

In August, the average temperature in Fort Smith, Canada hovers around 16°C (60°F), with variations that can dip to a cool 3°C (38°F) or soar to a warm 33°C (93°F). During this period, expect 76 mm (3.0 in) of precipitation spread over 11 days, resulting in an average humidity of 80%. Whether you're bracing for showers or soaking up the sun, be prepared for a diverse range of weather!

August Temperature in Fort Smith

In August in Fort Smith, the average temperature is 16°C (60°F). Maximums can reach 33°C (93°F) and minimums can be as low as 3°C (38°F). Pack accordingly for a varied climate while exploring Fort Smith!

August Weather in Fort Smith: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Fort Smith, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Smith, August typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec-5-7102647606460473412-4
Data source: Temperature data for Fort Smith generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Fort Smith

In Fort Smith in August, the total precipitation amount is 76 mm (3.0 in), recorded over a period of 11 days.

August Precipitation Trends in Fort Smith

The chart displays monthly precipitation patterns in Fort Smith, 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 Fort Smith, August typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec221414173266637648313020
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Fort Smith

In Fort Smith in August, humidity is 80%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick haze, making travel feel somewhat stifling and requiring frequent breaks to hydrate and cool down.

August Average Humidity in Fort Smith

This chart illustrates the average monthly humidity levels in Fort Smith, 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 Fort Smith is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%96%93%82%68%60%73%80%82%90%95%98%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Fort Smith

In Fort Smith in August, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Fort Smith, you can refer to this Hourly UV Index in Fort Smith.

Maximum UV Index Levels in Fort Smith for August

The chart shows the monthly maximum UV Index (UVI) for Fort Smith 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 Fort Smith typically reaches 6, which falls under the high exposure category.
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Data source: Fort Smith 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 Fort Smith Compares to Other Months

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

This table compares monthly weather conditions in Fort Smith, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-21°C (-5°F)22 mm (0.8 inches)96%low
February Weather-22°C (-6°F)14 mm (0.5 inches)96%low
March Weather-12°C (10°F)14 mm (0.6 inches)93%moderate
April Weather-3°C (27°F)17 mm (0.7 inches)82%moderate
May Weather8°C (47°F)32 mm (1.3 inches)68%moderate
June Weather16°C (61°F)66 mm (2.6 inches)60%high
July Weather18°C (64°F)63 mm (2.5 inches)73%high
August Weather16°C (60°F)76 mm (3.0 inches)80%high
September Weather9°C (48°F)48 mm (1.9 inches)82%moderate
October Weather1°C (34°F)31 mm (1.2 inches)90%low
November Weather-11°C (12°F)30 mm (1.2 inches)95%low
December Weather-20°C (-3°F)20 mm (0.8 inches)98%low

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