Grande Cache (AB) Weather & Climate: Best Time to Visit

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

Climate overview of Grande Cache

Grande Cache, Alberta, Canada, sees big temperature differences between seasons, with July peaking at 19°C (66°F) and December dropping to -7°C (19°F).

Annual rain/snowfall is moderate at around 758 mm (30 in), with July being the wettest month. The city also has pleasant summers and very cold winters.

Grande Cache Weather by Month

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

Monthly Temperature in Grande Cache

Visitors to Grande Cache can expect significant temperature changes throughout the year. Average daytime temperatures reach a pleasant 19°C (66°F) in July. In December, the coolest month of the year, temperatures drop to a very cold -7°C (19°F).

At night, temperatures range from around 5°C (41°F) in July to -16°C (3°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Grande Cache

Generally, Grande Cache experiences moderate precipitation patterns, averaging 758 mm (30 in) yearly. Grande Cache can be quite wet during July, receiving approximately 107 mm (4.2 in) of precipitation over 14 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 35 mm (1.4 in) of precipitation spread across 9 snowy days. For more details, please visit our Grande Cache Precipitation page.

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

Best Time to Visit Grande Cache

The most comfortable overall weather for exploring Grande Cache is usually found in August. 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: August
  • Warmest weather: July and August
  • Seasonal pattern: Pleasant summers and very cold winters
  • Coldest conditions: December, with freezing nights around -16°C (3°F).

Frequently asked questions about the climate in Grande Cache

What is the best time to visit Grande Cache?

August typically offers the most optimal weather in Grande Cache. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Grande Cache has pleasant summers and very cold winters.

What temperatures can I expect in Grande Cache?

Daytime highs range from -7°C (19°F) in December to 19°C (66°F) in July. Nighttime lows range from -16°C (3°F) to 5°C (41°F). Temperatures vary considerably through the year.

How much rain does Grande Cache get?

Annual rainfall is around 758 mm (30 in). July is the wettest month with 107 mm (4.2 in), while February is the driest with 35 mm (1.4 in).

Grande Cache 3-Day Forecast

Grande Cache on the map

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Where to go in August - average daytime high across popular destinations.

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