Weather in Manitoba

Calculated from weather data of Winnipeg / James Armstrong Richardson International Airport (CYWG) between 2021 and 2025.

Maximum temperatures (°C)

Month	Average	2025	2024	2023	2022	2021
January	-10.5	-10.0	-9.5	-10.3	-13.0	-6.4
February	-10.6	-12.9	-2.3	-8.0	-13.0	-13.5
March	-1.7	1.1	-1.1	-5.4	-3.1	7.2
April	8.8		12.5	6.2	3.7	11.3
May	19.8	23.3	18.3	23.3	16.8	19.1
June	25.2	25.3	22.1	27.5	24.3	27.8
July	26.8		26.8	24.8	26.0	30.1
August	26.0		25.8	24.8	25.6	25.8
September	20.9		25.0	22.8	20.8	23.1
October	10.7		14.5	11.0	12.0	14.5
November	0.1		3.1	1.8	-0.0	1.7
December	-7.8		-6.0	-2.7	-8.2	-8.2
Average	9.1	5.9	10.9	10.0	8.4	11.3

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2025	2024	2023	2022	2021
January	-18.1	-20	-15	-17	-24	-14
February	-19.3	-20	-9	-19	-24	-21
March	-11.8	-9	-10	-15	-12	-6
April	-3.7		0	-3	-3	-2
May	6.3	8	7	9	7	4
June	12.7	12	12	15	12	13
July	14.7		16	12	15	16
August	13.0		14	13	14	14
September	9.2		12	11	9	10
October	1.4		3	2	2	4
November	-8.6		-4	-5	-7	-6
December	-15.7		-13	-9	-15	-17
Average	-2.5	-6.4	1.0	-1.6	-2.3	-1.6

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2025	2024	2023	2022	2021
30 °C or warmer	8	6	15	6	36
25 °C or warmer	30	64	70	54	80
20 °C or warmer	47	122	132	110	132
0 °C or colder	89	158	182	163	175

Precipitation (%)

Month	Average	2025	2024	2023	2022	2021
January	43.0	39	48	49	42	25
February	31.6	24	27	18	55	26
March	14.9	15	21	14	17	9
April	14.7		14	17	37	13
May	10.6	6	22	6	19	9
June	7.4	7	12	6	11	4
July	5.6		7	4	14	2
August	5.8		7	6	7	7
September	9.2		7	11	7	3
October	13.9		7	19	16	14
November	24.6		32	20	28	14
December	32.0		55	18	52	23
Average	16.2	16.1	20.2	14.5	22.6	11.1

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	2025	2024	2023	2022	2021
January	19.7	23	20	17	21	18
February	20.4	21	19	20	23	21
March	21.2	18	23	21	21	22
April	22.1		22	23	25	22
May	21.2	22	22	21	23	21
June	19.5	19	20	16	21	20
July	17.0		15	16	18	17
August	17.0		18	16	16	20
September	20.1		21	17	19	22
October	20.9		20	18	20	20
November	20.6		19	21	21	21
December	18.9		21	19	22	17
Average	19.9	20.7	19.9	18.7	20.7	19.9

Average wind speed

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

Prevailing wind direction

Month	2025	2024	2023	2022	2021
January	W	SW	SW	W	SW
February	W	NW	SW	NW	W
March	N	N	N	W	SW
April		N	NE	NE	N
May	NE	W	E	S	NW
June	W	W	E	W	W
July		SW	W	W	SW
August		NW	W	W	W
September		S	SE	SW	SW
October		SW	N	W	S
November		SW	W	SW	SW
December		SW	SW	NE	W

Prevailing wind direction

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

Manitoba weather Q&A

What is the warmest month in Manitoba?

The warmest month is July with an average temperature of 27 °C over the past years.

What is the coldest month in Manitoba?

The coldest month is January with an average daytime temperature of -9 °C in the past few years.

Which month is the wettest in Manitoba?

Chance of precipitation is the highest in January with a probability of around 43.0 %.

Which month is the driest in Manitoba?

The least rainfall and snow can be expected in July. The probability is about 5.6 %.