Lake Louise Weather in May
During May, Lake Louise experiences low daytime temperatures of 7°C (45°F) and cooler nights around -3°C (27°F). Expect quite a bit of snow/rainfall. Around 75 mm (3 in) is typical.
Rainfall in Lake Louise in May
You can typically expect 13 days of snow/rain this month, averaging around 75 mm (3 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Lake Louise in May
Expect highs of 7°C (45°F) in Lake Louise in May, with nights dropping to around -3°C (27°F). It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop below freezing to -3°C (27°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.
Sunshine in Lake Louise in May
Expect a lot of sunshine this month, with about 203 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Lake Louise.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Lake Louise's climate page.
Lake Louise Temperature in May
Min Temperature
-3°C (27°F)
Max Temperature
7°C (45°F)
Chance of Rain
44%
Precipitation
75 mm (3 in)
Rainy days
13 days
Humidity
40% *
Sunshine
203 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lake Louise typically rise from around 12°C (54°F) at the start of May to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from -2°C (28°F) to 3°C (37°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Lake Louise in May
Browse day-by-day weather records for Lake Louise spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lake Louise historical weather extremes in May
Based on 50 years of weather observations in Lake Louise between 1976 and 2026, these are the recorded extremes.
- On May 7, 1996, Lake Louise saw its coldest May day with temperatures maxing out at -2°C (28°F).
- The lowest overnight temperature recorded in May was -11°C (12°F) (May 8, 2002).
Best Places in Canada in May
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in May →
perfect weather
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tolerable
unpleasant
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What to Wear in Lake Louise in May
We recommend to layer up for chilly conditions in Lake Louise in May. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Lake Louise in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Lake Louise's climate page.
Temperature Rainfall Sunshine Humidity
See the full Lake Louise climate overview or explore weather in Canada.
