Banff Weather in May

Banff in May sees moderate daytime temperatures of 12°C (54°F) and nighttime lows of 7°C (45°F). With just 64 mm (2.5 in) of rainfall on average, it's the driest month of the year.

Rainfall in Banff in May

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans, even if temperatures are on the cooler side. On average, there are about 16 days with rain during this month, averaging 64 mm (2.5 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Banff in May

In May, Banff sees moderate temperatures, with highs of 12°C (54°F). Nights drop to around 7°C (45°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Banff in May

There are approximately 203 hours of sunshine this month, resulting in mostly clear days. Despite the cool temperatures, the sunshine makes it an enjoyable time to be outside.

If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.