Average sea water temperature in December:
+46.4°F
| Minimum sea water temperature in December: | 48.9°F |
| Maximum sea water temperature in December: | 43.5°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 47.1°F. The highest and lowest sea temperatures during the month were 48.9°F and 46.4°F.
Monthly sea water temperature in Nanaimo, °F
Which Canada resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Tofino | 49.7°F | 48.7°F |
| Victoria | 48.7°F | 47.9°F |
| Surrey | 47.6°F | 46.3°F |
| Nanaimo | 47.1°F | 46.7°F |
| North Vancouver | 46.6°F | 46.3°F |
| Vancouver | 46.5°F | 46.3°F |
| Saint John | 46.0°F | 44.5°F |
| Saint Andrews | 44.4°F | 43.5°F |
| Montreal | 43.1°F | 40.0°F |
| Halifax | 43.0°F | 41.3°F |
| Lunenburg | 42.5°F | 41.3°F |
| Kingston | 41.3°F | 43.2°F |
| Barrie | 41.1°F | 40.7°F |
| Niagara-on-the-Lake | 40.8°F | 42.9°F |
| Sydney | 40.7°F | 40.4°F |
| Niagara Falls | 40.2°F | 42.2°F |
| Hamilton | 39.7°F | 42.2°F |
| Corner Brook | 39.5°F | 36.3°F |
| Mississauga | 39.4°F | 41.9°F |
| Toronto | 39.4°F | 41.6°F |
Best time for vacation in Nanaimo
Nanaimo on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Nanaimo
Local time: 17:52
December 18, thursday
1800

50°F
NE
11 mph
11 mph
2100

41°F
NE
15 mph
15 mph
December 19, friday
0000

36°F
E
14 mph
14 mph
0300

36°F
E
9 mph
9 mph
0600

37°F
NE
6 mph
6 mph
0900

39°F
NE
4 mph
4 mph
1200

41°F
NE
4 mph
4 mph
1500

41°F
E
3 mph
3 mph



























