17.12
wed
wed
Day

45°F
E 11 mph
Precip.
0%
0%
Night

37°F
N 9 mph
Precip.
100%
100%
18.12
thu
thu
Day

36°F
NW 16 mph
Precip.
100%
100%
Night

36°F
E 11 mph
Precip.
0%
0%
19.12
fri
fri
Day

41°F
NE 6 mph
Precip.
100%
100%
Night

36°F
NE 6 mph
Precip.
100%
100%
20.12
sat
sat
Day

41°F
N 6 mph
Precip.
73%
73%
Night

41°F
NW 11 mph
Precip.
100%
100%
21.12
sun
sun
Day

36°F
NW 14 mph
Precip.
100%
100%
Night

39°F
NE 6 mph
Precip.
59%
59%
22.12
mon
mon
Day

41°F
N 6 mph
Precip.
100%
100%
Night

39°F
N 8 mph
Precip.
66%
66%
23.12
tue
tue
Day

37°F
N 5 mph
Precip.
100%
100%
Night

34°F
E 5 mph
Precip.
0%
0%
24.12
wed
wed
Day

36°F
N 2 mph
Precip.
100%
100%
Night

37°F
N 7 mph
Precip.
100%
100%
25.12
thu
thu
Day

37°F
NW 7 mph
Precip.
0%
0%
Night

36°F
N 5 mph
Precip.
0%
0%
26.12
fri
fri
Day

39°F
NW 9 mph
Precip.
0%
0%
Night

39°F
N 11 mph
Precip.
100%
100%
27.12
sat
sat
Day

39°F
N 11 mph
Precip.
100%
100%
Night

36°F
N 8 mph
Precip.
100%
100%
28.12
sun
sun
Day

37°F
NW 14 mph
Precip.
100%
100%
Night

37°F
NW 9 mph
Precip.
100%
100%
29.12
mon
mon
Day

36°F
NW 5 mph
Precip.
100%
100%
Night

34°F
NW 9 mph
Precip.
100%
100%
30.12
tue
tue
Day

34°F
NW 6 mph
Precip.
100%
100%
Night

30°F
NW 3 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 47.0°F. The highest and lowest sea temperatures during the month were 48.9°F and 46.4°F.
Air temperature in Nanaimo, °F
Precipitation total in Nanaimo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Nanaimo
Nanaimo on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Nanaimo
Local time: 11:03
December 17, wednesday
1200

45°F
E
11 mph
11 mph
1500

43°F
NE
8 mph
8 mph
1800

41°F
NE
6 mph
6 mph
2100

39°F
N
6 mph
6 mph
December 18, thursday
0000

37°F
N
9 mph
9 mph
0300

37°F
NW
9 mph
9 mph
0600

37°F
NW
8 mph
8 mph
0900

36°F
NW
12 mph
12 mph



























