Weather in Edmonton in August 2025
Average weather
Average temperature in Edmonton in August
The temperature in August is +75°F on average, with a range between a maximum of +90°F during the day and a minimum of +45°F at night.
The average maximum temperature goes down 4% by the end of the month, compared with the beginning of the month, from +77°F to +75°F.
Is Edmonton warm or cold in August?
Edmonton is typically warm in August.
Maximum temperatures go down compared to the previous month from +75°F to +73°F. The minimum temperature also goes down from +54°F to +52°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Edmonton, here is the comparison with other months:
Climate in Edmonton in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +75°F | +73°F | +64°F | ||||
| Min. temperature | ||||||
| +39°F | +30°F | +19°F | ||||
| Max. temperature | ||||||
| +97°F | +95°F | +91°F | ||||
| Rainfall | ||||||
| 103 mm | 67 mm | 42 mm | ||||
| Wind | ||||||
| 3 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 67% | 68% | 67% | ||||
| Air pressure | ||||||
| 1012 HPa | 1013 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 6 | 7 | 7 | ||||
| Cloudy days | ||||||
| 5 | 7 | 10 | ||||
| Rainy days | ||||||
| 16 | 15 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 1 | ||||
August weather is still as good as in July. It’s getting colder in August. From +75°F in the day, the average maximum temperature lowers to +73°F. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 103 mm to 67 mm. Humidity rises from 67% to 68%. Winds are calmer in comparison to July, going down from 3 m/s to 2 m/s on average. The good news is there are likely to be more sunny days in August, from 6 to 7.
September brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Edmonton is gradually increasing during August, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last August in Edmonton?
Climate Change Over the Years
The climate in Edmonton in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1996 (+43°F) and the highest in 2023 (+54°F). The driest year was 2002 with only 185 mm of rainfall, and the wettest year was 2020 with 848 mm.
FAQ
Is August a good time to visit Edmonton?
Can you sunbathe in Edmonton in August?
Is Edmonton rainy in August?
Is it sunny in Edmonton in August?
Other cities in Canada
Monthly weather in Edmonton
Source of the data
For this page, we’ve looked at the typical weather in Edmonton, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.