Grenville-sur-la-Rouge (QC) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Grenville-sur-la-Rouge.

Climate overview of Grenville-sur-la-Rouge

Grenville-sur-la-Rouge, Quebec, Canada, sees big temperature differences between seasons, with July peaking at 27°C (81°F) and January dropping to -5°C (23°F).

Rain/snowfall is high, totalling around 1164 mm (46 in) per year. June is the wettest month and February the driest. The city also experiences warm summers and very cold winters.

Grenville-sur-la-Rouge Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Grenville-sur-la-Rouge - and find the best time to visit.

Monthly Temperature in Grenville-sur-la-Rouge

Visitors to Grenville-sur-la-Rouge can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in July, the warmest time of the year, to a very cold -5°C (23°F) during cooler months like January.

At night, you can expect temperatures ranging from 15°C (59°F) in July to around -16°C (3°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Grenville-sur-la-Rouge

Grenville-sur-la-Rouge is known for its substantial rain/snowfall, with annual precipitation reaching 1164 mm (46 in). Year-round, Grenville-sur-la-Rouge has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 113 mm (4.4 in), and the driest month, February, with 73 mm (2.9 in), is minimal. For more details, please visit our Grenville-sur-la-Rouge Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Grenville-sur-la-Rouge

The most comfortable overall weather for exploring Grenville-sur-la-Rouge is usually found in May, June, July, August and September. Conditions are generally least comfortable in January, February, March, April, October, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May, 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 -16°C (3°F).

Frequently asked questions about the climate in Grenville-sur-la-Rouge

What is the best time to visit Grenville-sur-la-Rouge?

May, June, July, August and September typically offer the most optimal weather in Grenville-sur-la-Rouge. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Grenville-sur-la-Rouge has warm summers and very cold winters.

What temperatures can I expect in Grenville-sur-la-Rouge?

Daytime highs range from -5°C (23°F) in January to 27°C (81°F) in July. Nighttime lows range from -16°C (3°F) to 15°C (59°F). Temperatures vary considerably through the year.

How much rain does Grenville-sur-la-Rouge get?

Annual rainfall is around 1164 mm (46 in). June is the wettest month with 113 mm (4.4 in), while February is the driest with 73 mm (2.9 in).

Grenville-sur-la-Rouge 3-Day Forecast

Grenville-sur-la-Rouge on the map

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