The climate in Grand Forks during October can be summarized as cool and reasonably dry.
October is in the fall / autumn in Grand Forks and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night -1°C (31°F) is normal.
| Daytime temperature | 11.9°C 53.3°F |
|---|---|
| Nightly temperature | -0.5°C 31.2°F |
| Average temperature | 5.7°C 42.3°F |
| Daily sunshine | 4.9 hrs |
| Avg rainfall | 37 mm 1.4 ins |
| Rainy days | 9 days |
| Sea temperature | 10.2°C 50.4°F |
| Humidity | 71% |
| Windspeed | 9kph 6 mph |
On average October is the 3rd driest month of the year in Grand Forks with around 37mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Grand Forks in October 2025.
Best places to visit in October
| Hottest month: | July | 25.3°C 77.5°F |
|---|---|---|
| Driest month: | September | 33mm 1.3ins |
| Sunniest month: | August | 9.2hrs |
| Coldest month: | January | -2.9°C 26.8°F |
| Wettest month: | December | 87mm 3.4ins |