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Nanaimo

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Nanaimo Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Nanaimo year round climate

  • Spring (March–May): Average 41–53°F, mild but still humid with occasional showers. March and April still have more rainfall, gradually clearing up in May. Popular activities: Outdoor walks, flower viewing, exploring nearby nature parks. Suggested clothing: Lightweight waterproof jacket, comfortable long pants, warm base layers.
  • Summer (June–August): Average 59–68°F, warm and comfortable with less rainfall and abundant sunshine. July and August are the warmest months, ideal for outdoor activities. Popular activities: Beach activities, boating, hiking, camping. Suggested clothing: Short-sleeved T-shirts, shorts, lightweight sun protection clothing, sandals.
  • Autumn (September–November): Average 50–60°F, cool and pleasant with increasing rainfall and more variable weather. October and November have more rainfall, so keep warm. Popular activities: Leaf peeping, trying local cuisine, visiting museums. Suggested clothing: Lightweight jacket, long-sleeved shirts, comfortable trousers.
  • Winter (December–February): Average 37–41°F, cold and humid with more rainfall and frequent overcast days. January is the rainiest month. Popular activities: Indoor activities, visiting art galleries, enjoying hot drinks. Suggested clothing: Warm jacket, waterproof jacket, scarf, hat, gloves.

Nanaimo climatological average

Annual average temperature: approx. 49.6°F / Annual rainfall: approx. 1120 mm / Summer humidity: 65%–75% / Rainiest month: January

Nanaimo monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
37.8°F
210.8
February
37.9°F
71.2
March
41°F
90.4
April
43.9°F
91.5
May
53.1°F
53.3
June
58.5°F
52.7
July
66.2°F
23.4
August
66.7°F
17.3
September
59°F
38.3
October
51.3°F
121.5
November
40.6°F
141
December
40.5°F
208.8

Nanaimo weather for the next seven days

3/16
Monday
Patchy rain nearby
53.2°F/36.9°F
3/17
Tuesday
Patchy rain nearby
55.6°F/43.5°F
3/18
Wednesday
Overcast
52.9°F/45.4°F
3/19
Thursday
Moderate rain
52°F/43.2°F
3/20
Friday
Moderate rain
52.6°F/34.6°F
3/21
Saturday
Sunny
45.7°F/33.2°F
3/22
Sunday
Partly Cloudy
48°F/30.7°F