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Canada weather

Weather in Banff for December 2025

Your guide to Banff weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Banff during December is quite rare, with fewer than 2 snowy days on average.
    According to Banff snow forecast for December 2025, 10 snowy days are expected in the next 2 weeks. The closest date with snow is Monday, 15 December.

    • Temperatures

  • Until now, December 2025 in Banff is slightly cooler than the historical average by -0.6 °C.

  • An exceptional deviation from the historical average is forecasted for next days of December 2025 in Banff with the forecasted temperature being -12.3 °C, much lower than usual.

  • In general, the average temperature in Banff at the beginning of December is -0.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -9.7 °C by the end of December.

    • Rain 🌧️

  • Precipitation in Banff during December is a rare event, with an average of fewer than 2 rainy days.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
-1°/-14°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
86 %
Avg humidity

Banff Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
-2°
2
Overcast
-1°
3
Cloudy
-2°
4
Overcast
1°
5
Overcast
1°
6
Freezing fog
2°
7
Overcast
-0°
8
Overcast
-2°
9
Mist
-3°
10
Overcast
-1°
11
Heavy snow
-3°
12
Overcast
-3°
13
Sunny
-2°
14
Patchy rain possible
5°
15
Moderate or heavy snow showers
3°
16
Moderate or heavy snow showers
-3°
17
Moderate snow
-3°
18
Mist
-13°
19
Freezing fog
-11°
20
Mist
-10°
21
Moderate snow
-10°
22
Light snow
-25°
23
Freezing fog
-22°
24
Light snow
-25°
25
Overcast
-28°
26
Sunny
-17°
27
Sunny
-13°
28
Partly cloudy
-3°
29
Mist
-3°
30
Partly cloudy
-2°
31
Overcast
-2°

Temperatures trend during December in Banff

See the weather trend as well as the moving average line

December weather in Banff day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Overcast
Overcast
 -2° /-13° 0 mm 0 cm
2 Dec. Overcast
Overcast
 -1° /-12° 0 mm 0 cm
3 Dec. Cloudy
Cloudy
 -2° /-13° 0.7 mm 0.2 cm
4 Dec. Overcast
Overcast
 1° /-9° 0 mm 0 cm
5 Dec. Overcast
Overcast
 1° /-10° 0.7 mm 0.5 cm
6 Dec. Freezing fog
Freezing fog
 2° /-7° 1.8 mm 1.1 cm
7 Dec. Overcast
Overcast
 0° /-9° 7.1 mm 5.2 cm
8 Dec. Overcast
Overcast
 -2° /-12° 4.1 mm 3 cm
9 Dec. Mist
Mist
 -3° /-15° 6.5 mm 2.3 cm
10 Dec. Overcast
Overcast
 -1° /-14° 0 mm 0 cm
11 Dec. Heavy snow
Heavy snow
 -3° /-14° 4.1 mm 2.9 cm
12 Dec. Overcast
Overcast
 -3° /-14° 0 mm 0 cm
13 Dec. Sunny
Sunny
 -2° /-12° 0 mm 0 cm
14 Dec. Patchy rain possible
Patchy rain possible
 5° /-7° 2.9 mm 0 cm
15 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /-7° 11.4 mm 3.4 cm
16 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 -3° /-12° 6.4 mm 2.1 cm
17 Dec. Moderate snow
Moderate snow
 -3° /-15° 2.7 mm 1.9 cm
18 Dec. Mist
Mist
 -13° /-20° 1.1 mm 0.8 cm
19 Dec. Freezing fog
Freezing fog
 -11° /-19° 0.5 mm 0.3 cm
20 Dec. Mist
Mist
 -10° /-16° 0.2 mm 0.1 cm
21 Dec. Moderate snow
Moderate snow
 -10° /-26° 1 mm 0.7 cm
22 Dec. Light snow
Light snow
 -25° /-33° 0.3 mm 0.2 cm
23 Dec. Freezing fog
Freezing fog
 -22° /-30° 0.1 mm 0.1 cm
24 Dec. Light snow
Light snow
 -25° /-32° 0.3 mm 0.2 cm
25 Dec. Overcast
Overcast
 -28° /-36° 0 mm 0 cm
26 Dec. Sunny
Sunny
 -17° /-30° 0 mm 0 cm
27 Dec. Sunny
Sunny
 -13° /-25° 0 mm 0 cm
28 Dec. Partly cloudy
Partly cloudy
 -3° /-14° 0 mm 0 cm
29 Dec. Mist
Mist
 -3° /-13° 0 mm 0 cm
30 Dec. Partly cloudy
Partly cloudy
 -2° /-11° 2.2 mm 1.6 cm
31 Dec. Overcast
Overcast
 -2° /-11° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Banff in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Banff forecast closer to your planned date for the most up-to-date weather information.
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Banff in December - FAQ

What are the expected maximum and minimum temperatures in Banff during December?
Brace for cold days with temperatures not exceeding -1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Banff during December?
In December, Banff can expect light to moderate rainfall, totaling 46.7 mm across approximately 0 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Banff in December 2025?
Banff typically sees 31.2 cm of snowfall during December.
What are the typical wind conditions in Banff during December?
The average wind speed in Banff during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

Banff snow forecast December 2025

Track daily snowfall levels and discover Banff’s snowy potential this December ❄️

December rainfall patterns in Banff

Explore the daily rainfall trends and prepare for Banffs December weather 💧

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Get accurate weather forecasts for Banff, located at latitude 51.176 and longitude -115.57. Stay updated with localized weather information tailored for Banff.

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