World Resorts Canada Nanaimo Weather

Nanaimo weather in August

Weather in Nanaimo: August

Average day temperature: 69.2°F
Average night temperature: 61.6°F
Sea water temperature: 65.7°F
Number of sunny days: 18 days
Day length: 13.5 - 15.1 hours
Number of rainy days: 1 day
Precipitation totals: 0.5 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 83°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during August were 71.2°F and 63.8°F.

Sea water temperature in Nanaimo in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 64.7°F. The highest and lowest sea temperatures during the month were 67.5°F and 60.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Nanaimo in August is 0.5 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 4.4 mph It makes August lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 10.0.

Best time for vacation in Nanaimo

Sunniest months:
July 21 days
August 18 days
September 14 days
Warmest months:
August 69.2 °F
July 69.0 °F
September 64.7 °F
Warmest sea temp:
August 65.6 °F
July 65.2 °F
September 60.8 °F
Coldest months:
December 41.0 °F
February 41.0 °F
January 41.2 °F
Rainiest months:
January 10 days
November 8 days
October 6 days
Windiest months:
January 6.2 mph
March 6.1 mph
December 6.1 mph

Nanaimo on a weather map

Nanaimo
+43°F
W 5 mph
Feels like: +43°F
Precip.: 0%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+10°F
-8°F
+12°F
-4°F
+3°F
+16°F
-6°F
+25°F
+37°F
+19°F
+16°F
24 Hours Forecast
Nanaimo
Local time: 01:57
December 05, friday
0300
43°F
W
5 mph
0600
45°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
December 06, saturday
0000
48°F
NE
8 mph
Units of measurement: °C / °F