Grand Forks (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grand Forks.
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.
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 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
The weather does bring rainfall during this period, between 21 mm (0.8 in) and 70 mm (2.8 in). Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
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.
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 (BC) 3-Day Forecast
Grand Forks on the map
Grand Forks is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Niagara Falls
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19°C (66°F) 
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