Annual mean 11°C · wettest around January · prevailing wind E
Warmest
22.5 °C
Coldest
4.6 °C
Wettest
33%
Windiest
4.1 m/s
Prevailing
E
3.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Nanaimo over the whole year is 11°C. July is the hottest month, with highs of about 22°C; February is the coldest, with lows of about 2°C. The rainy (wet) season in Nanaimo runs from October to March, peaking in January with a 32% chance of rain on a given day. The dry season is April to September; July is the driest month, at 5%. Winds in Nanaimo are highest in January, averaging 3.2 m/s (12 km/h), and lightest in September, at 2.6 m/s (9 km/h). The prevailing wind is from the E. The clearest skies in Nanaimo come in July, when the sky is typically 29% covered; January is the cloudiest month, at 54%.
Month by month Nanaimo climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
6°C
3°C
2°C
32%
54%
3.2 m/s
0
0
14
February
6°C
2°C
2°C
25%
49%
3.0 m/s
0
0
16
March
8°C
4°C
5°C
20%
45%
3.1 m/s
1
0
33
April
11°C
6°C
8°C
18%
39%
3.2 m/s
7
0
56
May
16°C
11°C
13°C
11%
38%
2.9 m/s
37
2
80
June
19°C
14°C
16°C
11%
38%
2.9 m/s
57
5
81
July
22°C
16°C
20°C
5%
29%
2.8 m/s
80
17
71
August
22°C
16°C
20°C
6%
32%
2.8 m/s
80
20
67
September
18°C
12°C
16°C
14%
37%
2.6 m/s
60
5
79
October
13°C
8°C
10°C
21%
39%
2.9 m/s
16
0
68
November
8°C
5°C
5°C
29%
49%
3.2 m/s
1
0
35
December
5°C
3°C
2°C
30%
51%
3.2 m/s
0
0
15
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Nanaimo weather by season
Year round, Nanaimo has days of about 5°C at their warmest in December, its coolest month, and 22°C in July, its warmest; the coolest hours of the day run from 2°C to 16°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around January and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Nanaimo weather in winterDecember to February
High 5°CLow 3°CRain 29%
Winter in Nanaimo has typical daily highs of about 5°C and lows of about 3°C, with a 29% chance of rain on a given day.
Nanaimo weather in springMarch to May
High 12°CLow 7°CRain 16%
Spring in Nanaimo has typical daily highs of about 12°C and lows of about 7°C, with a 16% chance of rain on a given day.
Nanaimo weather in summerJune to August
High 21°CLow 15°CRain 7%
Summer in Nanaimo has typical daily highs of about 21°C and lows of about 15°C, with a 7% chance of rain on a given day.
Nanaimo weather in autumnSeptember to November
High 13°CLow 9°CRain 21%
Autumn in Nanaimo has typical daily highs of about 13°C and lows of about 9°C, with a 21% chance of rain on a given day.
When is the rainy season in Nanaimo?
The rainy (wet) season in Nanaimo runs from October to March, peaking in January with a 32% chance of rain on a given day. The dry season is April to September; July is the driest month, at 5%.
What time of year is Nanaimo windiest?
Winds in Nanaimo are highest in January, averaging 3.2 m/s (12 km/h), and lightest in September, at 2.6 m/s (9 km/h). The prevailing wind is from the E.
What is the average temperature in Nanaimo year round?
The average temperature in Nanaimo over the whole year is 11°C. July is the hottest month, with highs of about 22°C; February is the coldest, with lows of about 2°C.