ClimateForecastDecemberJanuary >>

Nanaimo Climate by Month

The temperature in Nanaimo can vary greatly throughout the year. The temperatures shift from warm to cold. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Nanaimo. Average daytime temperatures range from a comfortable 22°C in August, the warmest time of the year, to a chilly 7°C during cooler months like December. At night, temperatures typically average around 2°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Nanaimo has a relatively rain/snowy climate with high precipitation levels, averaging 1744 mm of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, November receives heavy rainfall, averaging 254 mm of precipitation, recorded across 19 rainy days. In contrast, the drier season, July brings less rainfall, with 47 mm over 7 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Nanaimo. While July receives considerable daily sunshine with up to 9.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.9 hours of sunlight per day.

Monthly hours of sunshine

Data from: Vancouver, Canada (60 KM, 37 Miles).

Daily hours of sunshine

Data from: Vancouver, Canada (60 KM, 37 Miles).

The best time of year to visit Nanaimo in Canada

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is the rainy season in Nanaimo?
    Rainy season in Nanaimo occurs in the months of January, February, March, October, November and December.
  • Which is the warmest month in Nanaimo?
    August has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Nanaimo?
    The coldest month is December with an average maximum temperature of 7°C.
  • Which is the wettest month in Nanaimo?
    November tops the wettest month list with 254 mm of rainfall.
  • Which is the driest month in Nanaimo?
    July is the driest month with 47 mm of precipitation.
  • Which is the sunniest month in Nanaimo?
    July is the sunniest month with an average of 289 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Nanaimo

    Sat   Dec 14
    9°C | 4°C
    SE 32 km/h
    15 mm
    broken clouds and rain

    broken clouds and rain

    Sun   Dec 15
    8°C | 0°C
    SE 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Mon   Dec 16
    4°C | 2°C
    SE 18 km/h
    8.4 mm
    overcast and heavy rain

    overcast and heavy rain