Last updated: June 18, 2025
In October, the average temperature in Grand Forks, Canada hovers around 5°C (42°F). Expect a wide range in temperatures, with a minimum of -10°C (15°F) and a maximum of 24°C (75°F). This month also brings 59 mm (2.3 in) of precipitation over approximately 11 days, combined with an average humidity of 85%. Prepare accordingly for a mix of chilly and mild weather!
In October in Grand Forks, the average temperature is 5°C (42°F). The maximum can reach 24°C (75°F) and the minimum can be as low as -10°C (15°F). Be sure to pack layers and prepare for a wide range of temperatures while exploring this destination!
In Grand Forks in October, the precipitation amount is 59 mm (2.3 in) over the course of 11 days.
In Grand Forks in October, humidity is 85%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and requiring extra layers to stay warm while exploring.
In Grand Forks in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Grand Forks for better planning.
UV Risk Categories
Weather in Grand Forks varies notably across the year, with each month offering distinct climate conditions. This page compares October’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 |