Banff Weather
Banff weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Jun, Jul, Aug and Sep.
Banff current weather
Banff now (local time 22:30)
6°C
Clear
- Feels like
- 3°
- Humidity
- 63%
- Wind
- 8 km/h
Next 7 days · what to wear
2° – 20°C
Mostly dry all week
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Banff 14-day forecast
Today
10/3
☁️
16°
2°
💧0%
Sun
10/4
☁️
20°
5°
💧0%
Mon
10/5
☁️
17°
6°
💧1%
Tue
10/6
☁️
17°
5°
💧0%
Wed
10/7
☁️
17°
5°
💧0%
Thu
10/8
☁️
17°
5°
💧11%
Fri
10/9
☁️
16°
7°
💧46%
Sat
10/10
🌧️
8°
4°
💧52%
Sun
10/11
🌦️
6°
-1°
💧47%
Mon
10/12
🌫️
6°
-3°
💧15%
Tue
10/13
🌦️
6°
-4°
💧15%
Wed
10/14
🌦️
4°
-5°
💧19%
Thu
10/15
☁️
4°
-5°
💧19%
Fri
10/16
🌦️
4°
-2°
💧19%
Best time to visit Banff
On temperature and rainfall, the most comfortable months in Banff are Jun, Jul, Aug and Sep. The hottest month is July (average high 21°C) and the coldest is December (average low -15°C).
Banff climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | -5°C | -13°C | 45 mm | 96% | -26°C |
| Feb | -4°C | -14°C | 42 mm | 97% | -27°C |
| Mar | 0°C | -10°C | 61 mm | 96% | -25°C |
| Apr | 4°C | -5°C | 62 mm | 91% | -24°C |
| May | 12°C | 2°C | 83 mm | 77% | -20°C |
| JunBest | 17°C | 6°C | 121 mm | 76% | -17°C |
| JulBest | 21°C | 10°C | 70 mm | 72% | -14°C |
| AugBest | 20°C | 9°C | 63 mm | 72% | -15°C |
| SepBest | 15°C | 4°C | 69 mm | 77% | -19°C |
| Oct | 7°C | -2°C | 61 mm | 85% | -24°C |
| Nov | -1°C | -9°C | 60 mm | 95% | -28°C |
| Dec | -6°C | -15°C | 48 mm | 96% | -29°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Banff weather month by month: what to wear
Banff in OctoberThis month
October in Banff is cold: average highs of 7°C and lows of -2°C, around 61 mm of rain (mostly dry) and 85% humidity — about 24°C colder than Hong Kong.
👕 A warm coat over a sweater, plus a scarf.
Banff in November
November in Banff is freezing: average highs of -1°C and lows of -9°C, around 60 mm of rain (mostly dry) and 95% humidity — about 28°C colder than Hong Kong.
👕 A heavy down jacket, thermals, gloves, a hat and non-slip shoes; snow is possible.
Banff in December
December in Banff is freezing: average highs of -6°C and lows of -15°C, around 48 mm of rain (mostly dry) and 96% humidity — about 29°C colder than Hong Kong.
👕 A heavy down jacket, thermals, gloves, a hat and non-slip shoes; snow is possible.
Banff in January
January in Banff is freezing: average highs of -5°C and lows of -13°C, around 45 mm of rain (mostly dry) and 96% humidity — about 26°C colder than Hong Kong.
👕 A heavy down jacket, thermals, gloves, a hat and non-slip shoes; snow is possible.
Banff in February
February in Banff is freezing: average highs of -4°C and lows of -14°C, around 42 mm of rain (mostly dry) and 97% humidity — about 27°C colder than Hong Kong.
👕 A heavy down jacket, thermals, gloves, a hat and non-slip shoes; big day–night swing, so dress in layers; snow is possible.
Banff in March
March in Banff is freezing: average highs of 0°C and lows of -10°C, around 61 mm of rain (mostly dry) and 96% humidity — about 25°C colder than Hong Kong.
👕 A heavy down jacket, thermals, gloves, a hat and non-slip shoes; big day–night swing, so dress in layers; snow is possible.
Banff in April
April in Banff is cold: average highs of 4°C and lows of -5°C, around 62 mm of rain (mostly dry) and 91% humidity — about 24°C colder than Hong Kong.
👕 A down jacket, thermal base layers, scarf and gloves; big day–night swing, so dress in layers.
Banff in May
May in Banff is chilly: average highs of 12°C and lows of 2°C, around 83 mm of rain (some rain) and 77% humidity — about 20°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
Banff in JuneBest month
June in Banff is mild and cool: average highs of 17°C and lows of 6°C, around 121 mm of rain (some rain) and 76% humidity — about 17°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Banff in JulyBest month
July in Banff is pleasantly warm: average highs of 21°C and lows of 10°C, around 70 mm of rain (mostly dry) and 72% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Banff in AugustBest month
August in Banff is mild and cool: average highs of 20°C and lows of 9°C, around 63 mm of rain (mostly dry) and 72% humidity — about 15°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Banff in SeptemberBest month
September in Banff is chilly: average highs of 15°C and lows of 4°C, around 69 mm of rain (mostly dry) and 77% humidity — about 19°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 A sweater plus a coat or windbreaker; big day–night swing, so dress in layers.
FAQ
›What is the best time to visit Banff?
On temperature and rainfall, the most comfortable months in Banff are Jun, Jul, Aug and Sep. The hottest month is July (average high 21°C) and the coldest is December (average low -15°C).
›What's the weather like in Banff in October, and what should I wear?
October in Banff is cold: average highs of 7°C and lows of -2°C, around 61 mm of rain (mostly dry) and 85% humidity — about 24°C colder than Hong Kong. What to wear: A warm coat over a sweater, plus a scarf.
›What's the weather like in Banff in November, and what should I wear?
November in Banff is freezing: average highs of -1°C and lows of -9°C, around 60 mm of rain (mostly dry) and 95% humidity — about 28°C colder than Hong Kong. What to wear: A heavy down jacket, thermals, gloves, a hat and non-slip shoes; snow is possible.
›When is the rainy season in Banff?
Banff is wettest in June, with about 121 mm on average, and driest in February, with about 42 mm.
›How cold does Banff get? Does it snow?
The coldest month is December, averaging -6°C by day and -15°C at night. Nights regularly drop below freezing and snow is possible.
Planning a trip to Banff?
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: July; coldest: December.