Weather in Capitale-Nationale

Calculated from weather data of Quebec/Jean Lesage International Airport (CYQB) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	-6.2	-5.5	-4.7	-10.0	-5.4	-5.5
February	-4.1	-2.8	-5.0	-6.4	-5.5	-4.7
March	1.0	3.0	1.7	-1.9	2.7	1.6
April	7.9		8.6	8.1	11.5	7.0
May	17.9		18.8	19.1	18.3	18.3
June	22.5		21.6	21.8	24.0	24.5
July	25.6		25.3	25.3	23.6	26.5
August	24.0		22.0	24.1	26.6	23.3
September	19.6		21.6	19.0	19.5	18.5
October	12.7		15.0	14.0	14.3	10.5
November	2.8		2.6	4.5	4.2	5.7
December	-3.2		-1.5	1.1	-3.2	-1.5
Average	8.8	-1.1	10.8	10.5	11.1	10.6

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	-14.6	-12	-10	-21	-10	-11
February	-14.5	-10	-15	-15	-14	-14
March	-8.8	-4	-6	-7	-8	-7
April	-1.7		0	1	1	-2
May	6.0		6	7	7	6
June	11.8		12	12	13	11
July	15.3		17	15	14	17
August	14.3		13	15	16	14
September	10.0		12	10	10	8
October	4.5		7	3	6	3
November	-4.1		-4	-3	-3	-2
December	-10.2		-7	-5	-11	-8
Average	-1.9	-9.1	2.3	1.3	2.0	1.3

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	3	2	6	11
25 °C or warmer	0	38	40	42	46
20 °C or warmer	0	107	102	106	101
0 °C or colder	80	150	143	146	169

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	42.4	40	50	38	41	35
February	33.8	29	38	44	27	34
March	25.2	27	23	43	14	21
April	23.5		22	21	16	22
May	13.0		10	17	12	6
June	14.3		24	18	13	5
July	8.6		18	9	5	9
August	11.1		23	16	4	10
September	11.6		12	8	10	13
October	18.2		26	12	9	22
November	26.6		25	31	24	14
December	35.8		44	35	40	29
Average	21.6	31.2	24.6	22.8	16.0	16.8

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	17.0	19	16	16	15	15
February	17.1	13	17	17	17	17
March	17.8	18	16	18	18	18
April	18.4		19	17	19	21
May	15.7		18	14	15	16
June	15.1		16	14	14	16
July	13.4		11	15	14	13
August	12.5		12	12	12	14
September	12.3		12	13	12	12
October	14.6		11	13	16	13
November	15.3		13	15	15	15
December	15.8		15	19	16	13
Average	15.5	16.7	14.7	15.0	15.1	15.2

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	SW	NE	W	SW	W
February	W	NE	N	SW	SW
March	NE	W	NW	W	NE
April		NE	NE	NE	NE
May		W	NE	W	W
June		E	SW	SW	SW
July		SW	SW	SW	S
August		SW	SW	SW	SW
September		SW	W	W	W
October		SW	SW	E	W
November		W	W	W	W
December		NE	NE	W	W

Prevailing wind direction

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

Capitale-Nationale weather Q&A

What is the warmest month in Capitale-Nationale?

The warmest month is July with an average temperature of 26 °C over the past years.

What is the coldest month in Capitale-Nationale?

The coldest month is January with an average daytime temperature of -6 °C in the past few years.

Which month is the wettest in Capitale-Nationale?

Chance of precipitation is the highest in January with a probability of around 42.4 %.

Which month is the driest in Capitale-Nationale?

The least rainfall and snow can be expected in July. The probability is about 8.6 %.