Nanaimo, BC Weather

    Nanaimo enjoys a mild coastal climate with relatively low rainfall compared to the west coast. Known for its scenic harbour, waterfront parks, and easy access to both urban comforts and outdoor adventure, Nanaimo’s weather supports year-round travel! From dry, bright summers to temperate, wet winters, this central Island hub offers the perfect base for exploring east coast Vancouver Island.

    To learn more about what to do in the area, visit our Nanaimo Tourism Guide.

    Find your perfect Nanaimo vacation rental with EMR Vacation Rentals and enjoy comfort, convenience, and Island hospitality.

    Book Today!

    Scroll down for a detailed look at Nanaimo’s climate by season to help you plan the perfect trip!

    Spring (March – May)

    Spring in Nanaimo is fresh, early, and increasingly bright. The city warms up quickly, and by April, locals are out walking the waterfront, hiking nearby trails, and enjoying café patios. While March can still be rainy, sunshine hours increase steadily through the season.

     

    • Average Highs: 11°C to 16°C (52°F to 61°F)

    • Average Lows: 3°C to 7°C (37°F to 45°F)

    • Precipitation: 40–60 mm per month, decreasing into May

    • Sunshine & Cloud Cover: Brightening skies, with up to 7 hours of sun per day in late spring

    • Expect: Budding trees, active locals, and great trail conditions

    Spring is ideal for visiting Neck Point Park, walking the Harbourfront Walkway, and watching the sailboats return to the marina.

    Summer (June – August)

    Summer in Nanaimo is warm, dry, and packed with outdoor opportunities. The long daylight hours and minimal rainfall make it a perfect time to enjoy the beach, go island-hopping, or spend a day on the water.

    • Average Highs: 21°C to 24°C (70°F to 75°F)

    • Average Lows: 11°C to 13°C (52°F to 55°F)

    • Precipitation: Very low—10–25 mm per month

    • Sunshine & Cloud Cover: Up to 9 hours of sun daily; clear skies common

    • Expect: Hot afternoons, ocean breezes, and lively summer events

    Don’t miss a day trip to Newcastle Island, paddleboarding in Departure Bay, or catching the sunset from Pipers Lagoon.

    Fall (September – November)

    Fall in Nanaimo is colourful and calm, with lingering warmth through September and a gradual return of the rain by November. While the shoulder season is quieter, many activities—especially hiking and food festivals—are still in full swing.

     

    • Average Highs: 19°C in September, dropping to 9°C (66°F to 48°F) by November

    • Average Lows: 10°C to 5°C (50°F to 41°F)

    • Precipitation: 30 mm in early fall, increasing to 100 mm by November

    • Sunshine & Cloud Cover: Shorter days with increasing overcast

    • Expect: Crisp mornings, fewer crowds, and moody shoreline views

    Fall is perfect for browsing local shops, visiting art galleries, and enjoying seasonal events like food tours or craft fairs.

    Winter (December – February)

    Winter in Nanaimo is cool and rainy but rarely severe. Snowfall is minimal at sea level, and temperatures typically hover above freezing. It’s a quiet, green season perfect for off-season stays and enjoying the city’s cozy indoor culture.

     

    • Average Highs: 6°C to 8°C (43°F to 46°F)

    • Average Lows: 1°C to 3°C (34°F to 37°F)

    • Precipitation: 80–100 mm per month

    • Sunshine & Cloud Cover: Cloudy skies with short daylight windows (2–3 hours of sun daily)

    • Expect: Damp mornings, calm harbours, and low-key winter escapes

    This is a great time to explore the Nanaimo Museum, warm up in local cafés, or watch storms roll in from the shoreline.

    Planning Your Trip

    Nanaimo is a four-season destination with easy access to both adventure and relaxation. With its reliable summer sun, early spring blooms, and mild winters, it’s a great base for Island exploration. Bring layers, prepare for rain in fall and winter, and don’t forget walking shoes—the Harbourfront Walkway alone is worth the visit.