Measurements:
°C
°F
Nanaimo
42°F
W 3 mph
Feels like: 42°F
Precip: 100%
World Resorts Canada Nanaimo Weather August Weather in Nanaimo

Nanaimo Weather: August

Average Day Temperature: 71.4°F
Average Night Temperature: 62.8°F
Sea Water Temperature: 67.5°F
Number of Sunny Days: 18 days
Sunshine Hours: 13.5 - 15.1 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.5 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 87°F. The lowest night temperature was 60°F. The average values for day and night temperatures during August were 73.5°F и 65.3°F respectivly.

Nanaimo Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Nanaimo was 66.3°F. The maximum and minimum values were 61.2°F and 69.4°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Nanaimo is 0.5 in. It makes august one of the least rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 4.4 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Nanaimo in August is 10.0 hours.

Best Time to Visit Nanaimo
The most sunny months:
July 21 days
August 18 days
September 14 days
The most warm months:
August 71.4 °F
July 71.1 °F
September 66.3 °F
Warmest sea temperature:
August 67.4 °F
July 66.9 °F
September 62.0 °F
The most cold months:
December 40.0 °F
February 40.0 °F
January 40.3 °F
The most rainy months:
January 10 days
November 8 days
October 6 days
The most windy months:
January 6 mph
March 6 mph
December 6 mph

Nanaimo on the Weather Map

Canada Resorts:
NAME
Halifax +24
Kingston +4
Moncton +2
Montreal -2
Niagara Falls +10
Ottawa -4
Prince Edward Island +16
Quebec -12
Rocky Harbour +28
St. John's +32
Sydney +34
Toronto +10
Vancouver +42
Victoria +44
Winnipeg +12
24 Hours Weather Forecast
Nanaimo
Local time: 21:24
05 dec, friday
0000 42°F
W
3 mph
0300 42°F
W
5 mph
0600 44°F
NW
6 mph
0900 46°F
NW
6 mph
1200 48°F
NW
5 mph
1500 52°F
W
2 mph
1800 50°F
N
3 mph
2100 48°F
NE
9 mph