Banff weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Banff May weather at a glance
In May, Banff averages 5.9°C, with typical highs of 12.2°C and lows of -1.4°C. The historical average is 11 wet days and 65% humidity.
Banff May temperature & humidity
Banff May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Banff in May
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day. The typical day-to-night swing is about 14°C, so bring an extra layer. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 12.2°C
- Morning & eveningInsulating coat, scarf and gloves · average low -1.4°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Banff May sunrise & sunset times
2026 May · Local time (America/Edmonton)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 06:15 | 21:05 | 14h 50m |
| 2026-05-15 | 05:51 | 21:27 | 15h 35m |
| 2026-05-31 | 05:33 | 21:48 | 16h 15m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Banff
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Banff weather like in May?
In May, Banff averages 5.9°C, with typical highs of 12.2°C and lows of -1.4°C. The historical average is 11 wet days and 65% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Banff in May?
There are about 11 wet days in May. A compact umbrella is still useful.
What should I wear in Banff in May?
Wear long sleeves with a light jacket or cardigan that is easy to remove during the day. The typical day-to-night swing is about 14°C, so bring an extra layer. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Banff?
Recent weather data rates July, August, September among the more comfortable months.
Where can I check Banff weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Banff in May?
On 2026-05-15, calculated sunrise is 05:51 and sunset is 21:27 in local time (America/Edmonton). Times vary by date and terrain.
Banff weather by month
More Americas destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations