July Weather in Fort Smith, Canada

Last updated: June 18, 2025

In July, the average temperature in Fort Smith, Canada hovers around 18°C (64°F). However, be prepared for a temperature range that can swing between a brisk 3°C (38°F) and a scorching 40°C (104°F). With an average humidity of 73%, you may also encounter about 63 mm (2.5 in) of precipitation over 11 days. Stay informed and enjoy your time in this diverse climate!

July Temperature in Fort Smith

In July in Fort Smith, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 40°C (104°F), while minimums can drop as low as 3°C (38°F). This fluctuating climate makes it essential to pack both light and warm clothing for your trip.

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

The chart illustrates July 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, July typically has an average temperature of 18°C (64°F), with highs reaching up to 40°C (104°F) and lows dropping to around 3°C (38°F).

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

July Precipitation in Fort Smith

In Fort Smith in July, the precipitation amount is 63 mm (2.5 in) during a total of 11 days.

July Precipitation Trends in Fort Smith

The chart displays monthly precipitation patterns in Fort Smith, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Fort Smith, July typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Fort Smith

In Fort Smith in July, humidity is 73%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can leave travelers feeling a bit sluggish, making outdoor activities feel more demanding and encouraging frequent breaks to hydrate and cool off.

July Average Humidity in Fort Smith

This chart illustrates the average monthly humidity levels in Fort Smith, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Fort Smith is approximately 73%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Fort Smith

In Fort Smith in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Fort Smith in July, 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 July, the maximum UV index in Fort Smith typically reaches 6, which falls under the high exposure category.

Data source: Fort Smith July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
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 Weather	8°C (47°F)	32 mm (1.3 inches)	68%	moderate
June Weather	16°C (61°F)	66 mm (2.6 inches)	60%	high
July Weather	18°C (64°F)	63 mm (2.5 inches)	73%	high
August Weather	16°C (60°F)	76 mm (3.0 inches)	80%	high
September Weather	9°C (48°F)	48 mm (1.9 inches)	82%	moderate
October Weather	1°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