
Lake Louise, Moraine Lake, Banff Tour from Calgary/Canmore/Banff
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Banff, Canada
Weather month by month, from 20 years of weather-station records.
Average daily high and low, total rainfall and days with at least 2.5 mm of rain.
| Month | High / low | Rain | Verdict |
|---|---|---|---|
| January | -1°C / -12°C | 26 mm · 2 days | Cold |
| February | 0°C / -13°C | 18 mm · 2 days | Cold |
| March | 5°C / -8°C | 28 mm · 4 days | Cold |
| April | 10°C / -4°C | 32 mm · 4 days | Cold |
| May | 17°C / 0°C | 43 mm · 6 days | Fair |
| June | 21°C / 4°C | 63 mm · 6 days | Great |
| July | 26°C / 7°C | 40 mm · 4 days | Great |
| August | 25°C / 6°C | 42 mm · 5 days | Great |
| September | 20°C / 2°C | 42 mm · 5 days | Good |
| October | 11°C / -2°C | 30 mm · 4 days | Cold |
| November | 3°C / -8°C | 32 mm · 4 days | Cold |
| December | -3°C / -14°C | 25 mm · 2 days | Cold |
A transitional season of melting snow, emerging wildlife, and fewer crowds. Trails at lower elevations start to open, but lakes remain frozen or murky until late May/June.
Peak season with long days, wildflowers, and access to all hiking trails and lakes. The weather is warm and pleasant, but the town and iconic sites are at their busiest.
A spectacular display of golden larch trees against evergreen forests and early snow-dusted peaks. Crowds thin significantly after September long weekend.
A true winter wonderland with deep snow, world-class skiing, and festive charm. Days are short and cold, but the landscape is breathtakingly beautiful.
In January, Banff averages highs of -1°C and lows of -12°C, with about 2 rainy days and 26 mm of rain. It is cold, so pack warm layers.
In February, Banff averages highs of 0°C and lows of -13°C, with about 2 rainy days and 18 mm of rain. It is cold, so pack warm layers.
In March, Banff averages highs of 5°C and lows of -8°C, with about 4 rainy days and 28 mm of rain. It is cold, so pack warm layers.
In April, Banff averages highs of 10°C and lows of -4°C, with about 4 rainy days and 32 mm of rain. It is cold, so pack warm layers.
In May, Banff averages highs of 17°C and lows of 0°C, with about 6 rainy days and 43 mm of rain. Expect mixed weather, with comfortable spells.
In June, Banff averages highs of 21°C and lows of 4°C, with about 6 rainy days and 63 mm of rain. It is one of the most comfortable months for sightseeing.
In July, Banff averages highs of 26°C and lows of 7°C, with about 4 rainy days and 40 mm of rain. It is one of the most comfortable months for sightseeing.
In August, Banff averages highs of 25°C and lows of 6°C, with about 5 rainy days and 42 mm of rain. It is one of the most comfortable months for sightseeing.
In September, Banff averages highs of 20°C and lows of 2°C, with about 5 rainy days and 42 mm of rain. It is a good month to visit.
In October, Banff averages highs of 11°C and lows of -2°C, with about 4 rainy days and 30 mm of rain. It is cold, so pack warm layers.
In November, Banff averages highs of 3°C and lows of -8°C, with about 4 rainy days and 32 mm of rain. It is cold, so pack warm layers.
In December, Banff averages highs of -3°C and lows of -14°C, with about 2 rainy days and 25 mm of rain. It is cold, so pack warm layers.
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July is the most comfortable month on average, with highs of 26°C. August and June are close behind.
June is the wettest month, with about 63 mm of rain.
July is the warmest month, with average highs of 26°C and lows of 7°C. The coldest nights come in December, averaging -14°C.
Averages for 2006–2025 from the BANFF weather station (1 km from the centre), NOAA Global Historical Climatology Network. Verdicts rate sightseeing comfort from daytime highs and rainy days.