May in Banff National Park marks the transition from spring to summer, a period characterized by melting snow at lower elevations, blooming wildflowers, and increasing daylight hours. Temperatures typically range from overnight lows around freezing to daytime highs in the low teens Celsius (mid-50s Fahrenheit). While some higher elevation trails may still be snow-covered, many lower trails become accessible for hiking. This period offers a unique blend of spring and summer conditions, making it a distinct time to experience the park.
Understanding the prevailing climatic conditions during this specific timeframe is crucial for trip planning. Visitors can anticipate fewer crowds compared to the peak summer months, offering a more tranquil experience. Packing layers is essential to accommodate fluctuating temperatures throughout the day. Being aware of potential trail closures due to lingering snow or spring runoff allows for safer and more enjoyable excursions. Historically, May has been a shoulder season, providing an opportunity to witness the park’s reawakening after winter.