Grand Falls (NB) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grand Falls.
Climate overview of Grand Falls
Temperatures in Grand Falls, New Brunswick, Canada, vary greatly throughout the year. July is the hottest month at 25°C (77°F), while January is the coldest at -6°C (21°F).
With around 1181 mm (46 in) of annual rain/snowfall, Grand Falls has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is June.
Grand Falls Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand Falls - and find the best time to visit.
Monthly Temperature in Grand Falls
The climate in Grand Falls is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 25°C (77°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -6°C (21°F).
At night, temperatures range from around 13°C (55°F) in July to -17°C (1°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grand Falls
Grand Falls has a notably wet climate with abundant precipitation, recording 1181 mm (46 in) of rain/snowfall per year. Despite minor fluctuations, Grand Falls enjoys fairly consistent precipitation throughout the year. In June, you can expect around 125 mm (4.9 in) of precipitation, while in January, Grand Falls receives about 77 mm (3 in). For more details, please visit our Grand Falls 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 Falls
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -17°C (1°F).
Frequently asked questions about the climate in Grand Falls
What is the best time to visit Grand Falls?
June, July, August and September typically offer the most optimal weather in Grand Falls. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Grand Falls has warm summers and very cold winters.
What temperatures can I expect in Grand Falls?
Daytime highs range from -6°C (21°F) in January to 25°C (77°F) in July. Nighttime lows range from -17°C (1°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Grand Falls get?
Annual rainfall is around 1181 mm (46 in). June is the wettest month with 125 mm (4.9 in), while January is the driest with 77 mm (3 in).
Grand Falls 3-Day Forecast
Grand Falls on the map
Grand Falls is highlighted - select any city to see its climate.
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