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Grand Forks (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grand Forks.
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Climate overview of Grand Forks
Grand Forks, British Columbia, Canada, sees big temperature differences between seasons, with July peaking at 29°C (84°F) and December dropping to -1°C (30°F).
Annual rain/snowfall is moderate at around 538 mm (21 in), with June being the wettest month. The city also has a distinct dry season from July to September, with warm summers and very cold winters.
Grand Forks Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand Forks - and find the best time to visit.
Monthly Temperature in Grand Forks
Visitors to Grand Forks can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 29°C (84°F) in July. In December, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).
At night, temperatures range from around 12°C (54°F) in July to -7°C (19°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grand Forks
Generally, Grand Forks experiences moderate precipitation patterns, averaging 538 mm (21 in) yearly. Grand Forks can be quite wet during June, receiving approximately 70 mm (2.8 in) of precipitation over 16 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 21 mm (0.8 in) of precipitation spread across 7 rainy days. For more details, please visit our Grand Forks Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Grand Forks
Conditions in Grand Forks are generally most comfortable in May, June, July, August and September. They are typically least comfortable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
cold
Apr
good
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
good
Nov
cold
Dec
very cold
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Fewest rainy days: August
- Seasonal pattern: A distinct dry season from July to September, with warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Grand Forks
What is the best time to visit Grand Forks?
May, June, July, August and September typically offer the most optimal weather in Grand Forks. In contrast, January, February, March, November and December tend to have less optimal conditions. Grand Forks has a distinct dry season from July to September, with warm summers and very cold winters.
What temperatures can I expect in Grand Forks?
Daytime highs range from -1°C (30°F) in December to 29°C (84°F) in July. Nighttime lows range from -7°C (19°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Grand Forks get?
Annual rainfall is around 538 mm (21 in). June is the wettest month with 70 mm (2.8 in), while August is the driest with 21 mm (0.8 in).
Grand Forks 3-Day Forecast
Grand Forks on the map
Grand Forks is highlighted - select any city to see its climate.
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