Last updated: June 18, 2025
In Cardston, Canada, the average temperature in August hovers around 18°C (65°F). However, be prepared for a range, as temperatures can dip to a chilly 2°C (36°F) and soar up to a sizzling 38°C (101°F). Expect some precipitation too, with an average of 32 mm (1.3 in) falling over about 4 days. Don't forget, the air is quite humid, with an average humidity level of around 69%!
In August in Cardston, the average temperature is 18°C (65°F). Maximum temperatures can reach 38°C (101°F), while minimums can dip as low as 2°C (36°F). Be prepared for a wide range of temperatures and pack accordingly to enjoy your travels in this diverse climate.
In Cardston in August, the total precipitation amount is 32 mm (1.3 in), accumulated over a period of 4 days.
In Cardston in August humidity is 69%. With an average temperature of 18°C (65°F), this humidity feels like a warm, damp blanket around you, making travel less comfortable and causing you to feel sticky and fatigued more quickly.
In Cardston in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Cardston.
UV Risk Categories
Weather in Cardston varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Cardston, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 14 mm (0.5 inches) | 93% | low |
| February Weather | -9°C (17°F) | 39 mm (1.5 inches) | 91% | moderate |
| March Weather | -1°C (31°F) | 31 mm (1.2 inches) | 88% | moderate |
| April Weather | 4°C (39°F) | 53 mm (2.1 inches) | 84% | high |
| May Weather | 10°C (51°F) | 72 mm (2.9 inches) | 78% | very high |
| June Weather | 15°C (59°F) | 59 mm (2.3 inches) | 77% | very high |
| July Weather | 19°C (66°F) | 22 mm (0.9 inches) | 79% | very high |
| August Weather | 18°C (65°F) | 32 mm (1.3 inches) | 69% | very high |
| September Weather | 12°C (55°F) | 35 mm (1.4 inches) | 69% | high |
| October Weather | 5°C (41°F) | 45 mm (1.8 inches) | 78% | moderate |
| November Weather | 0°C (33°F) | 37 mm (1.5 inches) | 87% | moderate |
| December Weather | -4°C (25°F) | 28 mm (1.1 inches) | 94% | low |