World Resorts Canada Nanaimo Weather

Nanaimo sea water temperature

Current sea water temperature:
+48.9°F
Minimum sea water temperature in December: 48.9°F
Maximum sea water temperature in December: 43.5°F
Average sea water temperature in December: 46.4°F

Sea water temperature for the last 10 days:

December 17 48.9°F December 12 46.9°F
December 16 48.9°F December 11 46.8°F
December 15 46.8°F December 10 46.8°F
December 14 46.8°F December 9 46.9°F
December 13 46.9°F December 8 46.9°F

When is the warmest sea in Nanaimo?

Based on the data about daily sea water temperature for the last three years the warmest sea in Nanaimo was noticed in August, July and September.

Monthly Sea Temperatures in Nanaimo, °F

Sea water temperature 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.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 64.8°F. The highest and lowest sea temperatures during the month were 69.4°F and 60.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 61.8°F. The highest and lowest sea temperatures during the month were 65.8°F and 57.4°F.

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
+45°F
E 11 mph
Feels like: +39°F
Precip.: 0%
Places in Canada:
Name
°F
+43°F
+45°F
+18°F
+43°F
+34°F
+37°F
+37°F
+36°F
+45°F
+39°F
+37°F
+36°F
+43°F
+39°F
24 Hours Forecast
Nanaimo
Local time: 11:03
December 17, wednesday
1200
45°F
E
11 mph
1500
43°F
NE
8 mph
1800
41°F
NE
6 mph
2100
39°F
N
6 mph
December 18, thursday
0000
37°F
N
9 mph
0300
37°F
NW
9 mph
0600
37°F
NW
8 mph
0900
36°F
NW
12 mph
Units of measurement: °C / °F