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October Weather in Fort Smith, Canada

Last updated: June 18, 2025

In October, the average temperature in Fort Smith, Canada hovers around 1°C (34°F). Expect chilly spells with minimums plunging to -13°C (9°F), while the mercury can rise to a pleasant 19°C (67°F). Be prepared for some damp days, as precipitation averages 31 mm (1.2 in) over 8 days, and the air carries a high humidity level at 90%.

October Temperature in Fort Smith

In October in Fort Smith, the average temperature is 1°C (34°F). Maximums can reach 19°C (67°F), and minimums can be as low as -13°C (9°F). Be prepared for a wide range of temperatures if you plan to travel during this month in Fort Smith.

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

The chart illustrates October 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, October typically has an average temperature of 1°C (34°F), with highs reaching up to 19°C (67°F) and lows dropping to around -13°C (9°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.

October Precipitation in Fort Smith

In Fort Smith in October, the precipitation amount is 31 mm (1.2 in) over the course of 8 days.

October Precipitation Trends in Fort Smith

The chart displays monthly precipitation patterns in Fort Smith, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Fort Smith, October typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec221414173266637648313020
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Fort Smith

In Fort Smith in October, humidity is 90%. With an average temperature of 1°C (34°F), this humidity feels like you're wrapped in a cold, damp blanket, making travel uncomfortable and requiring extra layers to combat the chill.

October Average Humidity in Fort Smith

This chart illustrates the average monthly humidity levels in Fort Smith, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Fort Smith is approximately 90%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Fort Smith

In Fort Smith in October, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Fort Smith, you can visit Hourly UV Index in Fort Smith.

Maximum UV Index Levels in Fort Smith for October

The chart shows the monthly maximum UV Index (UVI) for Fort Smith in October, 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 October, the maximum UV index in Fort Smith typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123456664211
Data source: Fort Smith October 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 October 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 October’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 October’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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