Bonnyville (AB) Weather & Climate: Best Time to Visit

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

Climate overview of Bonnyville

The climate in Bonnyville, Alberta, Canada, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in July to -9°C (16°F) in January.

Annual rain/snowfall is moderate at around 515 mm (20 in), with June being the wettest month. The city also has a distinct dry season from October to March, with warm summers and very cold winters.

Bonnyville Weather by Month

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

Monthly Temperature in Bonnyville

In Bonnyville, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 24°C (75°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -9°C (16°F).

At night, temperatures range from around 12°C (54°F) in July to -18°C (0°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Bonnyville

On average, Bonnyville receives a reasonable amount of rain/snowfall, with an annual precipitation of 515 mm (20 in). Bonnyville can be quite wet during June, receiving approximately 101 mm (4 in) of precipitation over 11 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 16 mm (0.6 in) of precipitation spread across 8 snowy days. For more details, please visit our Bonnyville Precipitation page.

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

Best Time to Visit Bonnyville

Conditions in Bonnyville are generally most comfortable in July and August. They are typically least comfortable 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: July and August
  • Warmest weather: July and August
  • Fewest rainy days: March, April, October and November
  • Wettest months: April, May, June, July and August, when rainfall is highest.
  • Seasonal pattern: A distinct dry season from October to March, with warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -18°C (0°F).

Frequently asked questions about the climate in Bonnyville

What is the best time to visit Bonnyville?

July and August typically offer the most optimal weather in Bonnyville. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Bonnyville has a distinct dry season from October to March, with warm summers and very cold winters.

What temperatures can I expect in Bonnyville?

Daytime highs range from -9°C (16°F) in January to 24°C (75°F) in July. Nighttime lows range from -18°C (0°F) to 12°C (54°F). Temperatures vary considerably through the year.

How much rain does Bonnyville get?

Annual rainfall is around 515 mm (20 in). June is the wettest month with 101 mm (4 in), while February is the driest with 16 mm (0.6 in).

Bonnyville 3-Day Forecast

Bonnyville on the map

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