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Climate · Lake Louise

Lake Louise in May

Chilly and wet, as the days lengthen.

Typical weather, averaged over 30 years

May in Lake Louise is chilly: highs near 49°F, lows near 30°F. Rain or snow falls on about four days a week, and the days lengthen by 1 hour 21 minutes from the first week to the last.May in Lake Louise is chilly: highs near 9°C, lows near -1°C. Rain or snow falls on about four days a week, and the days lengthen by 1 hour 21 minutes from the first week to the last.

High
49°F9°Caverage
Low
30°F-1°Caverage
Wet days
4a week · 52% of days
Daylight
15h 35mon average

Is May a good time to visit Lake Louise?

May sits outside Lake Louise's best months, which run from August. Expect chilly days and rain or snow on about four days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How May sits in the year

week by week

Temperature

Highs near 49°F in May, against 17°F to 69°F through the year.Highs near 9°C in May, against -8°C to 21°C through the year.

Chance of a wet day

52% of days in May, against 39% to 66% through the year.

Cloud cover

65% cover in May, against 49% to 71% through the year.

Daylight

15h 35m in May, against 7h 55m to 16h 32m through the year.

Week by week, lightly smoothed, with May shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. April39°4°low 21°low -6°4 wet days a weekRain on about four days a week.
  2. May49°9°low 30°low -1°4 wet days a weekRain on about four days a week.
  3. June57°14°low 37°low 3°5 wet days a weekRain on about five days a week.

Where Lake Louise sits, in May

America/Edmonton
this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
5:54 AMsets 9:27 PM
Above the sea
1,763 mhigh country
Latitude
51.4°Nnorthern hemisphere
Nearest of ours
Sunshine Village48 km south-east

The land around Lake Louise, shaded by its typical high in May, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Canada in May

high · low · wet days
See May on the planning mapThe whole year in Lake Louise

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Lake Louise. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,763 m) against the climate model's (2,094 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,763 m) against the climate model's (2,094 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.