Lake Louise, nestled in the Canadian Rockies, experiences a subarctic climate with long, cold, snowy winters and short, cool summers. The area is known for dramatic seasonal changes, abundant snowfall, and breathtaking alpine scenery. Visitors can expect crisp mountain air, variable weather, and a true four-season experience, making Lake Louise a year-round destination for outdoor enthusiasts.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Lake Louise’s high elevation and mountain setting create a subarctic climate with pronounced seasonal contrasts. Winters (November to April) are long, cold, and snowy, with average daytime highs of -8°C to -1°C and nighttime lows often below -15°C, occasionally dropping below -30°C. Snowfall is abundant, supporting a world-class ski season from November to April. Sunshine is limited in winter, with just 2–4 hours per day, and daylight is shortest in December and January. Winds are generally light but can feel brisk in exposed areas, and humidity is moderate, averaging around 70–75%.
Summers (June to August) are short and cool, with average highs of 14–17°C and lows of 3–5°C. July is the warmest month, but even then, evenings can be chilly. The alpine landscape comes alive with wildflowers, turquoise lakes, and long daylight hours – up to 17 hours in June. Rainfall occurs year-round, with June being the wettest month, but showers are usually brief and followed by sunshine. Spring (April to June) and autumn (September to October) are transitional, with rapidly changing weather, melting or forming snow, and fewer crowds. The lakes typically thaw in June and freeze again in October. Lake Louise’s climate is famously unpredictable, so visitors should always be prepared for sudden shifts in temperature and weather conditions.
| Average climate data for Lake Louise, Canada | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | -7 | -8 | -4 | -0 | 7 | 12 | 16 | 16 | 10 | 2 | -6 | -9 | 16 |
| Average minimum temperature (°C) | -16 | -18 | -14 | -10 | -3 | 1 | 4 | 4 | 1 | -5 | -13 | -17 | -18 |
| Average precipitation (mm) | 39 | 33 | 49 | 46 | 77 | 86 | 50 | 37 | 37 | 41 | 52 | 37 | 584 |
| Average rainfall days (days) | 3 | 4 | 6 | 9 | 15 | 21 | 15 | 13 | 13 | 10 | 5 | 3 | 116 |
| Average snowfall (mm) | 329 | 266 | 406 | 341 | 267 | 93 | 10 | 0 | 74 | 298 | 426 | 319 | 2,829 |
| Average snowfall days (days) | 23 | 21 | 25 | 23 | 11 | 3 | 1 | 0 | 5 | 18 | 22 | 21 | 173 |
| Average relative humidity (%) | 94 | 95 | 94 | 92 | 82 | 73 | 64 | 62 | 73 | 84 | 93 | 94 | 83 |
| Average wind speed (km/h) | 8 | 8 | 9 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 8 |
| Average daily daylight hours (h) | 8 | 10 | 11 | 13 | 15 | 16 | 16 | 14 | 12 | 10 | 8 | 7 | 12 |
| Average daily sunshine hours (h) | 2 | 4 | 4 | 6 | 8 | 10 | 11 | 11 | 8 | 5 | 3 | 3 | 6 |
| Average cloud coverage (%) | 72 | 69 | 70 | 63 | 46 | 42 | 28 | 25 | 37 | 51 | 67 | 71 | 53 |
| Average UV index | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 3 | 2 | 1 | 1 | 1 | 2 |
The best time to visit Lake Louise is from late June to early September, when the weather is mildest, hiking trails are open, and the lakes display their iconic turquoise colour. This period offers long daylight hours, vibrant wildflowers, and the best conditions for outdoor activities like hiking, canoeing, and photography.
The least favourable time to visit Lake Louise is from late October to early May if you are not interested in winter sports. During this period, temperatures are very cold, snow is frequent, and many trails and attractions are inaccessible due to snow and ice. However, winter is excellent for skiing and snowshoeing enthusiasts.
Lake Louise has a subarctic climate with long, cold, snowy winters and short, cool summers. Temperatures range from -15°C in winter to 17°C in summer, and weather can change rapidly.
The best hiking conditions are from late June to early September, when trails are snow-free, temperatures are mild, and the lakes are thawed and vibrant turquoise. Early autumn is also beautiful but cooler.
Snow is rare in summer but possible at higher elevations or during sudden cold snaps. Most summer days are cool and sunny, with only brief, scattered showers.
Winter temperatures in Lake Louise often range from -8°C to -15°C, with nights dropping below -20°C. Cold snaps can push temperatures below -30°C, and snow cover is reliable from November to April.
Winds in Lake Louise are generally light to moderate, but can be brisk in open valleys and at higher elevations, especially in winter and spring. Wind chill can make cold temperatures feel even colder.
Pack layers for all seasons, including a warm jacket, hat, and gloves for winter or cool nights. In summer, bring sun protection, a rain jacket, and sturdy hiking shoes. Weather can change quickly, so be prepared.
Yes, Lake Louise is a top destination for winter sports like skiing, snowshoeing, and ice skating. The reliable snow cover and scenic mountain landscapes make it ideal for cold-weather outdoor activities.
The warmest month, with the highest average maximum temperature, is August (16.3 °C). The month with the lowest average maximum temperature is December (-9.2 °C). Overall, the average maximum temperature over the whole year is 2.4 °C.
The month with the highest average minimum temperature is August (4.3 °C). The coldest month, with the lowest average minimum temperature, is February (-18.1 °C). Overall, the average minimum temperature over the whole year is -7.2 °C.
The wettest month, with the highest amount of precipitation, is June (86.2 mm). The driest month, with the least amount of precipitation, is February (33.3 mm). Over the whole year there are 584.3 mm of rainfall on average.
The month with the most days of rain is June (21.4 days). The month with the fewest days of rain is January (2.5 days). Over the whole year there are 116.5 days of rain on average.
The month with the most snowfall is November (426 mm). The month with the least snowfall is August (0 mm). Over the whole year there are 2,828.7 mm of snowfall on average.
The month with the most days of snowfall is March (25.3 days). The month with the fewest days of snowfall is August (0.3 days). Over the whole year there are 172.7 days of snowfall on average.
The month with the highest average relative humidity is February (95.2 %). The month with the lowest average relative humidity is August (62 %). The overall average relative humidity over the whole year is 83.3 %.
The windiest month, with the highest average wind speed, is November (9.2 km/h). The calmest month, with the lowest average wind speed, is May (7 km/h). The overall average wind speed over the whole year is 8 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is January (71.7 %). The month with the clearest skies, so the lowest cloud coverage, is August (24.6 %). Over the whole year there is an average cloud coverage of 53.4 %.
The month with the longest days, so the most daylight, is June (Average daylight: 16 h). The month with the shortest days, so the least daylight, is December (Average daylight: 7.1 h). Over the whole year there are 11.7 h of daylight per day on average.
The month with the most sunshine per day is July (Average sunshine: 11.1 h). The month with the least sunshine per day is January (Average sunshine: 2 h). Over the whole year there are 6.3 h of sunlight per day on average.
The month with the highest average UV index is July (UV index: 4). The months with the lowest average UV index are January, February, March, October, November and December (UV index: 1). Over the whole year the average UV index is 1.8.
