Merrickville Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Merrickville.

Climate overview of Merrickville

The climate in Merrickville, Canada, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to -3°C (27°F) in January.

The city has a wet climate, receiving around 1059 mm (42 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and very cold winters. June is the wettest month. The sunniest month is July, with 9.3 hours of sunshine per day on average.

Merrickville Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Merrickville - and find the best time to visit.

Monthly Temperature in Merrickville

In Merrickville, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -3°C (27°F) in January.

Nighttime temperatures range from 16°C (61°F) in July to -13°C (9°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Merrickville

Merrickville experiences significant rain/snowfall throughout the year, averaging 1059 mm (42 in) of precipitation annually. The wettest period in Merrickville occurs in June, which receives around 102 mm (4 in) of precipitation. During the driest month, February, Merrickville experiences moderate snowfall, totaling 68 mm (2.7 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Merrickville Precipitation page.

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

Sunshine Hours in Merrickville

In Merrickville, summer days are longer and more sunny, with daily sunshine hours peaking at 9.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.8 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Ottawa, Canada (57 KM, 35 Miles).

Daily hours of sunshine

Data from: Ottawa, Canada (57 KM, 35 Miles).

Humidity in Merrickville by Month

Best Time to Visit Merrickville

For comfortable weather, consider visiting Merrickville in May, July, August and September. Conditions are usually least favourable in January, February, March, April, 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, July, August and September
  • Warmest weather: July and August
  • Most sunshine: July
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -13°C (9°F).

Frequently asked questions about the climate in Merrickville

What is the best time to visit Merrickville?

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

What temperatures can I expect in Merrickville?

Daytime highs range from -3°C (27°F) in January to 27°C (81°F) in July. Nighttime lows range from -13°C (9°F) to 16°C (61°F). Temperatures vary considerably through the year.

How much rain does Merrickville get?

Annual rainfall is around 1059 mm (42 in). June is the wettest month with 102 mm (4 in), while February is the driest with 68 mm (2.7 in).

How sunny is Merrickville?

Merrickville receives around 2,087 hours of sunshine per year. July is the sunniest month with 280 hours, while December is the cloudiest with just 83 hours. Overall, Merrickville enjoys abundant sunshine.

Merrickville 3-Day Forecast

Merrickville on the map

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