Waterton Lakes National Park (AB) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Waterton Lakes National Park.
Climate overview of Waterton Lakes National Park
The climate in Waterton Lakes National Park, Alberta, Canada, is marked by large temperature swings across the seasons, ranging from 23°C (73°F) in July to -3°C (27°F) in December.
With around 816 mm (32 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has warm summers and very cold winters.
Waterton Lakes National Park Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Waterton Lakes National Park - and find the best time to visit.
Monthly Temperature in Waterton Lakes National Park
In Waterton Lakes National Park, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 23°C (73°F) in July to a very cold -3°C (27°F) in the coolest month, December.
Nights vary from 8°C (46°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 Waterton Lakes National Park
On average, Waterton Lakes National Park receives a reasonable amount of rain/snowfall, with an annual precipitation of 816 mm (32 in). The climate in Waterton Lakes National Park shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 128 mm (5 in) of precipitation over 10 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 51 mm (2 in) of snowfall over 11 snowy days. For more details, please visit our Waterton Lakes National Park Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Waterton Lakes National Park
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: July, August, September and October
- Wettest months: April, May and June, when rainfall is highest.
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Waterton Lakes National Park
What is the best time to visit Waterton Lakes National Park?
July and August typically offer the most optimal weather in Waterton Lakes National Park. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Waterton Lakes National Park has warm summers and very cold winters.
What temperatures can I expect in Waterton Lakes National Park?
Daytime highs range from -3°C (27°F) in December to 23°C (73°F) in July. Nighttime lows range from -12°C (10°F) to 8°C (46°F). Temperatures vary considerably through the year.
How much rain does Waterton Lakes National Park get?
Annual rainfall is around 816 mm (32 in). June is the wettest month with 128 mm (5 in), while January is the driest with 51 mm (2 in).
Waterton Lakes National Park 3-Day Forecast
Waterton Lakes National Park on the map
Waterton Lakes National Park is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Canoeing the south Nahannii
The South Nahanni in the northwest of Canada is one of the most impressive wilderness rivers in the world. Canoeing the south Nahanni is something you must add to your bucket list.
See Polar Bears in Churchill Canada
Thousands of bears gather at the small town of Churchill. In the evening the northern lights give a light show against the dark evening sky. An unforgettable experience.
Banff National Park
Snowy mountains, clear blue lakes and green forests make Banff National Park a wonderful bucket list destination. The pristine wilderness is a mecca for walkers.