Banff, Canada experiences average highs of 7°C (45°F) and lows of -2°C (28°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Banff, Canada Weather & Climate 2026
Monthly climate averages for Banff, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.8/10
Best: June, July, August
UV Index
4
Low
Temperature 7°C / -2°C
Feels Like 4°C / -6°C
Rainy Days 11
Rainfall 57 mm
Sunshine 9 h
Humidity 76%
Wind Speed 11 km/h
Dew Point -2°C
Snow Days 11 days
Frost Days 20 days
Hottest Month
23°C
July
Avg Low11°C
Rain16days
Coldest Month
-14°C
February
Avg High-5°C
Rain8days
Driest Month
5days
January
Avg High-6°C
Avg Low-13°C
Windiest Month
12 km/h
June (Gusts 49)
Worst Time to Visit
Consider avoiding March, April, November, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:28
Daylight 16.5h
Sunset 22:01
Live conditions—
Banff on the map · live conditions
Banff, Canada
- Continent
- Americas
- Country
- Canada
- City
- Banff
- Population
- 8.3K
- Coordinates
- 51.18°, -115.57°
Seasonal Breakdown
Spring
Mar–May
Avg High 6°C
Avg Low -3°C
Rain 12 days/mo
Summer
Jun–Aug
Avg High 21°C
Avg Low 9°C
Rain 16 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 7°C
Avg Low -2°C
Rain 9 days/mo
Winter
Dec–Feb
Avg High -6°C
Avg Low -14°C
Rain 7 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: -6°C / -13°C . Feb: -5°C / -14°C . Mar: 1°C / -8°C . Apr: 6°C / -3°C . May: 12°C / 3°C . Jun: 18°C / 7°C . Jul: 23°C / 11°C . Aug: 22°C / 11°C . Sep: 17°C / 6°C . Oct: 7°C / -3°C . Nov: -1°C / -9°C . Dec: -8°C / -14°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 17 mm. Feb: 31 mm. Mar: 41 mm. Apr: 55 mm. May: 70 mm. Jun: 121 mm. Jul: 99 mm. Aug: 83 mm. Sep: 52 mm. Oct: 45 mm. Nov: 38 mm. Dec: 37 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 78%. Mar: 75%. Apr: 72%. May: 73%. Jun: 71%. Jul: 66%. Aug: 67%. Sep: 72%. Oct: 80%. Nov: 86%. Dec: 83%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 10 km/h . Feb: 10 km/h . Mar: 10 km/h . Apr: 12 km/h . May: 10 km/h . Jun: 12 km/h . Jul: 11 km/h . Aug: 12 km/h . Sep: 12 km/h . Oct: 11 km/h . Nov: 11 km/h . Dec: 11 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. Apr: 11h. May: 12h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 8h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 12 days. Feb: 16 days. Mar: 19 days. Apr: 19 days. May: 12 days. Jun: 4 days. Jul: 1 days. Aug: 1 days. Sep: 6 days. Oct: 13 days. Nov: 16 days. Dec: 15 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 22°C | Jul · 23°C |
| Coldest month | Feb 2025 · -16°C | Feb · -14°C |
| Wettest month | Jul 2025 · 190 mm | Jun · 121 mm |
| Windiest month | Oct 2025 · 13 km/h | Jun · 12 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Wet July best
Good August best
Excellent September
Fair October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -6°C / -13°C | -10°C / -18°C | 5days (17 mm) Good | 6h Fair | 83% Humid | 1.5 Low | Poor | View Details |
| February | -5°C / -14°C | -10°C / -19°C | 8days (31 mm) Wet | 7.4h Good | 78% Humid | 2.5 Moderate | Poor | View Details |
| March | 1°C / -8°C | -2°C / -12°C | 11days (41 mm) Wet | 9.4h Good | 75% Muggy | 4 Moderate | Poor | View Details |
| April | 6°C / -3°C | 3°C / -7°C | 12days (55 mm) Wet | 10.9h Excellent | 72% Muggy | 5.4 High | Poor | View Details |
| May | 12°C / 3°C | 11°C / 0°C | 14days (70 mm) Wet | 12.1h Excellent | 73% Muggy | 6.4 High | Fair | View Details |
| June best | 18°C / 7°C | 17°C / 5°C | 18days (121 mm) Wet | 12.8h Excellent | 71% Muggy | 6.7 High | Wet | View Details |
| July best | 23°C / 11°C | 22°C / 10°C | 16days (99 mm) Wet | 13.3h Excellent | 66% Muggy | 6.8 High | Good | View Details |
| August best | 22°C / 11°C | 21°C / 9°C | 14days (83 mm) Wet | 12h Excellent | 67% Muggy | 6.1 High | Excellent | View Details |
| September | 17°C / 6°C | 15°C / 4°C | 10days (52 mm) Wet | 10.2h Excellent | 72% Muggy | 4.7 Moderate | Fair | View Details |
| October | 7°C / -3°C | 4°C / -6°C | 9days (45 mm) Wet | 8.2h Good | 80% Humid | 3.1 Moderate | Poor | View Details |
| November | -1°C / -9°C | -5°C / -14°C | 9days (38 mm) Wet | 5.9h Fair | 86% Very Muggy | 1.7 Low | Poor | View Details |
| December | -8°C / -14°C | -12°C / -19°C | 8days (37 mm) Wet | 5.1h Fair | 83% Humid | 1.2 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Banff are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Banff, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Banff is July, with average daytime highs of 23°C (73°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Banff is February, with average overnight lows of -14°C (7°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Banff is June, averaging 121mm of precipitation across 18 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Banff runs through June, July, May, August, with the heaviest rainfall in June. Based on 10-year averages for Banff.
Banff receives approximately 113 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Banff.
The least favorable months to visit Banff are March, April, November, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August instead.
The annual average UV index in Banff is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Banff is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Banff receives snow. Months with snowfall average 11 snow days and 21 cm (8 in) of accumulation, with about 20 frost days during winter.
Average wind speeds in Banff are 11 km/h (7 mph). The windiest month is June with peak winds reaching 12 km/h (8 mph) (gusts up to 49 km/h / 30 mph).
Banff averages 2 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in August.
The annual average dew point in Banff is -2°C (28°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Banff has a Warm-Summer Continental climate, classified as Dfb under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Banff ranges from -6°C (21°F) to 4°C (39°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
June is not the best time to visit Banff, with a climate score of 6.5/10. Consider visiting during June, July, August instead for better conditions.
For June in Banff, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 18°C (64°F) and 18 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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