Black Diamond (AB) Weather & Climate: Best Time to Visit

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

Climate overview of Black Diamond

Temperatures in Black Diamond, Alberta, Canada, vary greatly throughout the year. July is the hottest month at 24°C (75°F), while January is the coldest at -1°C (30°F).

With around 608 mm (24 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has a distinct dry season from October to March, with warm summers and very cold winters. July is the sunniest month, averaging 10.5 hours of sunshine per day.

Black Diamond Weather by Month

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

Monthly Temperature in Black Diamond

The climate in Black Diamond is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 24°C (75°F) in July to a very cold -1°C (30°F) in the coolest month, January.

Nights vary from 9°C (48°F) in July to around -12°C (10°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Black Diamond

Generally, Black Diamond receives mid-range precipitation levels, with 608 mm (24 in) annually. The climate in Black Diamond shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 126 mm (5 in) of precipitation over 11 rainy days.

In contrast, the driest month January offers drier and sunnier days, with around 17 mm (0.7 in) of snowfall over 7 snowy days. For more details, please visit our Black Diamond Precipitation page.

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

Sunshine Hours in Black Diamond

For those who appreciate different seasons, Black Diamond serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.5 hours of sunshine daily, and embrace the darker days in December, offering only 3.7 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Calgary, Canada (41 KM, 25 Miles).

Daily hours of sunshine

Data from: Calgary, Canada (41 KM, 25 Miles).

Humidity in Black Diamond by Month

Best Time to Visit Black Diamond

For comfortable weather, consider visiting Black Diamond in July and August. Conditions are usually least favourable in January, February, 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
  • Most sunshine: July
  • Fewest rainy days: February, October, November and December
  • Wettest months: April, May, June, July, August and September, 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 -12°C (10°F).

Frequently asked questions about the climate in Black Diamond

What is the best time to visit Black Diamond?

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

What temperatures can I expect in Black Diamond?

Daytime highs range from -1°C (30°F) in January to 24°C (75°F) in July. Nighttime lows range from -12°C (10°F) to 9°C (48°F). Temperatures vary considerably through the year.

How much rain does Black Diamond get?

Annual rainfall is around 608 mm (24 in). June is the wettest month with 126 mm (5 in), while January is the driest with 17 mm (0.7 in).

How sunny is Black Diamond?

Black Diamond receives around 2,397 hours of sunshine per year. July is the sunniest month with 315 hours, while December is the cloudiest with just 112 hours. Overall, Black Diamond enjoys abundant sunshine.

Black Diamond 3-Day Forecast

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