Last updated: June 18, 2025
In August, the average temperature in Grand Forks, Canada is a pleasant 20°C (68°F). However, be prepared for temperature fluctuations, as it can dip to a minimum of 4°C (39°F) and soar to a maximum of 37°C (98°F). During this month, you can expect a modest precipitation amount of 18 mm (0.7 in) over about 3 days, coupled with an average humidity level of 75%. Enjoy the weather, but don't forget to pack accordingly!
In August in Grand Forks, the average temperature is 20°C (68°F). Maximums can reach 37°C (98°F), and minimums can be as low as 4°C (39°F). It's a great time to visit for those who enjoy mild weather and are prepared for a range of temperatures.
In Grand Forks in August, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.
In Grand Forks in August, humidity is 75%. With an average temperature of 20°C (68°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and exhausted.
In Grand Forks in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Grand Forks.
UV Risk Categories
Weather in Grand Forks varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Grand Forks, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 74 mm (2.9 inches) | 90% | low |
| February Weather | -5°C (24°F) | 59 mm (2.3 inches) | 91% | moderate |
| March Weather | 1°C (34°F) | 68 mm (2.7 inches) | 89% | moderate |
| April Weather | 5°C (42°F) | 69 mm (2.7 inches) | 85% | high |
| May Weather | 12°C (53°F) | 66 mm (2.6 inches) | 82% | very high |
| June Weather | 16°C (61°F) | 45 mm (1.8 inches) | 81% | very high |
| July Weather | 20°C (69°F) | 13 mm (0.5 inches) | 84% | very high |
| August Weather | 20°C (68°F) | 18 mm (0.7 inches) | 75% | very high |
| September Weather | 13°C (57°F) | 45 mm (1.8 inches) | 74% | high |
| October Weather | 5°C (42°F) | 59 mm (2.3 inches) | 85% | moderate |
| November Weather | 0°C (33°F) | 71 mm (2.8 inches) | 88% | low |
| December Weather | -4°C (26°F) | 72 mm (2.8 inches) | 93% | low |