Canada

Banff in December: weather & travel advice

This month's data profile

Rain shapes the decision

Banff in December is climatically mixed. The average daily high is around -10 °C. With about 14 rainy days it is wet.

Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.

Rank among 12 monthly averages

23/100 · #10

Warmth

#12

Dryness

Sun

#12

Published best categories: none

Turquoise mountain lake in Banff National Park

Banff · DecemberPhoto: Dietmar Rabich · CC BY-SA 4.0

Average high: -10 °C
Average low: -18 °C
Rainy days (est.): 14 rainy days (est.)
Sun (est.): 1 h/day
Humidity: 96 %

Climate evidence with direct month comparison

The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.

Climate averages for Banff: selected and adjacent months
Month	Avg high °C	Avg low °C	Rainy days (est.)	Precipitation mm	Sun h/day (est.)	Humidity %	Wind m/s	Score
November	-4	-13	15	56	1.6	94	0.4	21
December (selected)	-10	-18	14	47	1.1	96	0.5	23
January	-9	-17	13	40	1.5	96	0.6	25

How do the previous and next months compare?

Baseline: December (23/100)

Positive and negative values show the change from the selected month.

	Score Δ	Average high Δ	Average low Δ	Rainy days Δ	Rain Δ	Sun Δ	Humidity Δ	Wind Δ
November	-2	+5.2 °C	+5 °C	+1.4	+8.4 mm	+0.5 h	-2 %	-0.1 m/s
January	+2	+0.8 °C	+0.4 °C	-0.9	-7 mm	+0.4 h	±0 %	±0 m/s

All twelve months in context

JanUnsuitable25 FebUnsuitable30 MarUnsuitable22 AprUnsuitable26 MayUnsuitable31 JunUnsuitable38 JulLimited58 AugLimited61 SepLimited46 OctUnsuitable30 NovUnsuitable21 DecUnsuitable23

Rainy days (estimated)

Sunshine hours (estimated)h/day

Average daily high°C

-9

-8

-4

-10

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Where to stay in Banff

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Useful next decisions

Banff · Month by month

Jasper · December Rovaniemi · December Aspen · December Breckenridge · December

Frequently asked questions

How warm is Banff in December?

The average daily high is around -10 °C, with an average daily low of about -18 °C.

Does it rain a lot in Banff in December?

The curated estimate is about 14 rainy days per month, not a directly measured long-term average. Total precipitation averages around 47 mm for the month. A rainy day does not mean all-day rain.

When is the best time to visit Banff?

By the climate score, August are the strongest months for Banff. December is not among them.