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Best time to visit · Alberta, Canada
For the most comfortable weather in Lake Louise, aim for July & August. August tops our comfort score at 86/100, with highs around 65°F (18°C) and 2.8 in (70 mm) of rain. The toughest months are March and October & November, mainly because of cool days.
Highs run from 19°F to 66°F across the year, and the yearly total is about 37.8 in (961 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 22°F-5°C | 23°F-5°C | 29°F-2°C | 35°F2°C | 47°F9°C | 59°F15°C | 66°F19°C | 65°F18°C | 55°F13°C | 41°F5°C | 27°F-3°C | 19°F-7°C |
| Avg low | 7°F-14°C | 4°F-15°C | 11°F-12°C | 19°F-7°C | 32°F0°C | 41°F5°C | 47°F8°C | 45°F7°C | 37°F3°C | 25°F-4°C | 12°F-11°C | 4°F-15°C |
| Rain/snow | 2.7 in69 mm | 2.2 in56 mm | 3.5 in89 mm | 2.8 in70 mm | 3.2 in82 mm | 4.6 in117 mm | 3.4 in86 mm | 2.8 in70 mm | 3.1 in80 mm | 3.4 in86 mm | 3.5 in90 mm | 2.6 in66 mm |
| Humidity | 96% | 97% | 98% | 96% | 85% | 77% | 75% | 76% | 81% | 89% | 96% | 95% |
| Cloud | 75% | 70% | 78% | 77% | 74% | 79% | 64% | 62% | 68% | 76% | 80% | 73% |
| Comfort | 42 | 45 | 38 | 41 | 52 | 66 | 83 | 86 | 67 | 40 | 37 | 43 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~2,099 m (6,887 ft) to Lake Louise's ~1,540 m (5,053 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs of 19–23°F (-7–-5°C), and nights reach 4°F (-15°C). It's the driest season, with only about 7.5 in (191 mm) of rain or snow, 20% of the year's total. December – February are cold enough for snow. Comfort scores sit mid-table, averaging 43/100.
Temperatures climb through the season, from 29°F highs in March to 47°F by May. About 9.5 in (241 mm) of rain or snow falls across these months, 25% of the year's total. March & April are cold enough for snow. Comfort scores bottom out in March; the season averages 44/100.
Peak warmth: highs of 59–66°F (15–19°C). It's the wettest season, with about 10.7 in (273 mm) of rain, 28% of the year's total. Lows bottom out around 41°F (5°C). July & August are among the best-scoring months (season average 78/100).
Temperatures slide from 55°F highs in September to 27°F by November. About 10.1 in (256 mm) of rain or snow falls across these months, 27% of the year's total. October & November are cold enough for snow. Comfort scores bottom out in October & November; the season averages 48/100.
By comfort score: 2 Great, 2 Good, 2 Fair and 6 Tough. Great months: July & August. Tap a month for its own guide.
For the most comfortable weather in Lake Louise, aim for July & August. August tops our comfort score at 86/100, with highs around 65°F (18°C) and 2.8 in (70 mm) of rain. The toughest months are March and October & November, mainly because of cool days.
June is the wettest month, averaging about 4.6 in (117 mm) of rain. February is the driest, with about 2.2 in (56 mm). The yearly total is around 37.8 in (961 mm).
February is the coldest, with average lows of 4°F (-15°C) and highs of 23°F (-5°C). The warmest is July, with average highs of 66°F (19°C).
Not very: summer (June – August) humidity averages 76%, and highs peak around 66°F (19°C), so it rarely feels sticky.
On average, yes: lows fall below 32°F (0°C) in October – April, bottoming out around 4°F (-15°C) in February.
Poll the group on July & August dates, then plan the days, packing and costs together.
