Weather in Regional District of Nanaimo

Calculated from weather data of Sisters Island Automatic Weather Reporting System (CWGT) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	7.1	6.9	7.7	6.0	7.7	7.5
February	6.6	7.5	8.0	7.5	6.2	6.9
March	8.9	8.9	10.5	9.0	8.5	8.3
April	11.5	11.4	11.5	10.5	12.8	12.0
May	16.4		20.3	13.0	15.4	15.9
June	18.6		20.3	17.6	20.8	17.3
July	21.3		23.0	21.8	22.1	20.1
August	21.8		21.6	24.1	21.6	20.5
September	18.5		17.3	21.8	17.3	18.6
October	13.4		13.4	17.8	12.0	12.9
November	9.4		9.6	8.1	9.5	9.5
December	7.0		9.0	5.2	5.2	8.0
Average	12.8	8.6	14.4	13.8	13.3	13.1

44th highest temperature of Canada

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	4.4	4	5	4	5	4
February	3.5	5	4	4	4	4
March	5.3	6	5	6	6	5
April	7.5	8	7	6	8	8
May	11.4		13	9	11	12
June	13.9		14	13	15	13
July	16.5		17	17	18	16
August	16.9		17	18	17	16
September	14.2		14	15	13	15
October	9.8		10	12	9	10
November	6.5		7	4	7	7
December	4.4		7	2	2	6
Average	9.0	5.5	9.8	9.5	9.4	9.6

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	0	0	0	2	0
25 °C or warmer	0	10	22	12	4
20 °C or warmer	0	86	89	68	49
0 °C or colder	7	6	10	12	4

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	0	0	0
April	0.0	0	0	0	0	0
May	0.0		0	0	0	0
June	0.0		0	0	0	0
July	0.0		0	0	0	0
August	0.0		0	0	0	0
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	29.1	32	28	25	31	36
February	24.0	22	31	19	26	26
March	22.0	23	20	24	27	20
April	24.0	23	31	23	20	20
May	17.7		15	19	17	20
June	20.4		19	19	20	23
July	17.9		19	16	18	18
August	17.7		17	16	19	20
September	19.9		19	18	25	17
October	24.3		23	18	31	22
November	27.3		24	23	31	32
December	26.6		29	24	26	28
Average	22.4	24.7	22.4	20.1	23.6	22.8

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	E	SE	SE	SE	E
February	E	SE	E	SE	E
March	SE	SE	E	SE	E
April	SE	SE	SE	S	SW
May		NW	S	W	E
June		NW	SE	SE	E
July		S	NW	NW	NW
August		NW	NW	NW	NW
September		E	N	SE	E
October		E	E	E	E
November		SE	E	SE	E
December		SE	SW	S	SE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Regional District of Nanaimo weather Q&A

What is the warmest month in Regional District of Nanaimo?

The warmest month is August with an average temperature of 22 °C over the past years.

What is the coldest month in Regional District of Nanaimo?

The coldest month is February with an average daytime temperature of 7 °C in the past few years.

Which month is the wettest in Regional District of Nanaimo?

Chance of precipitation is the highest in January with a probability of around 0.0 %.

Which month is the driest in Regional District of Nanaimo?

The least rainfall and snow can be expected in January. The probability is about 0.0 %.