Climate of Quebec City

The climate in Quebec City has a continental climate with no dry season and a warm summer (Köppen: Dfb). It is fairly wet, at 47 inches of precipitation a year.

Temperature

The average temperature in Quebec City ranges from -27 °C (-16.6 °F) in January to 24.7 °C (76.46 °F) in July. The average annual mean temperature is 4.2 °C (39.5 °F). There are, on average 171 days with temperatures freezing or below.

Averages

Climate data for Quebec/Jean Lesage International Airport
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean daily maximum °C (°F)	−7.9 (17.8)	−5.6 (21.9)	0.2 (32.4)	8.3 (46.9)	17.0 (62.6)	22.3 (72.1)	25.0 (77.0)	23.6 (74.5)	17.9 (64.2)	11.1 (52.0)	2.9 (37.2)	−4.2 (24.4)	9.2 (48.6)
Daily mean °C (°F)	−12.8 (9.0)	−10.6 (12.9)	−4.6 (23.7)	3.7 (38.7)	11.2 (52.2)	16.4 (61.5)	19.3 (66.7)	18.1 (64.6)	12.7 (54.9)	6.6 (43.9)	−0.7 (30.7)	−8.6 (16.5)	4.2 (39.6)
Mean daily minimum °C (°F)	−17.7 (0.1)	−15.6 (3.9)	−9.4 (15.1)	−1.0 (30.2)	5.4 (41.7)	10.5 (50.9)	13.5 (56.3)	12.5 (54.5)	7.5 (45.5)	2.0 (35.6)	−4.2 (24.4)	−12.8 (9.0)	−0.8 (30.6)

Average monthly maxima and minima

Climate data for Quebec City (average absolute daily highs and lows)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean maximum °C (°F)	6.4 (43.5)	8.5 (47.3)	10.6 (51.1)	21.6 (70.9)	27.4 (81.3)	29.8 (85.6)	30.9 (87.6)	30.0 (86.0)	28.3 (82.9)	20.1 (68.2)	15.9 (60.6)	7.1 (44.8)	32.0 (89.6)
Mean minimum °C (°F)	−27.8 (−18.0)	−27.7 (−17.9)	−23.6 (−10.5)	−10.6 (12.9)	−0.5 (31.1)	4.9 (40.8)	8.0 (46.4)	6.5 (43.7)	0.0 (32.0)	−4.3 (24.3)	−14.0 (6.8)	−23.8 (−10.8)	−29.7 (−21.5)
Source:

Extremes

Climate data for Quebec City (extremes)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	10.0 (50.0)	11.7 (53.1)	17.8 (64.0)	29.9 (85.8)	33.0 (91.4)	33.9 (93.0)	35.6 (96.1)	34.4 (93.9)	33.9 (93.0)	28.3 (82.9)	20.0 (68.0)	13.9 (57.0)	35.6 (96.1)
Record low °C (°F)	−35.4 (−31.7)	−36.1 (−33.0)	−30.0 (−22.0)	−18.9 (−2.0)	−7.8 (18.0)	−0.6 (30.9)	3.9 (39.0)	2.2 (36.0)	−4.8 (23.4)	−10.0 (14.0)	−24.0 (−11.2)	−32.3 (−26.1)	−36.1 (−33.0)

Climate data for Quebec City (extremes)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high daily minimum °C (°F)	3.3 (37.9)	3.6 (38.5)	5.0 (41.0)	10.2 (50.4)	18.3 (64.9)	22.8 (73.0)	23.3 (73.9)	22.2 (72.0)	20.9 (69.6)	15.0 (59.0)	9.7 (49.5)	4.4 (39.9)	23.3 (73.9)
Record low daily maximum °C (°F)	-25.8 (-14.4)	-25.0 (-13.0)	-20.0 (-4.0)	-10.2 (13.6)	1.7 (35.1)	7.8 (46.0)	13.9 (57.0)	12.2 (54.0)	4.2 (39.6)	0.0 (32.0)	-13.3 (8.1)	-27.3 (-17.1)	-27.3 (-17.1)
Record high monthly average °C (°F)	-5.9 (21.4)	-4.0 (24.8)	0.1 (32.4)	7.7 (45.9)	15.3 (59.5)	19.7 (67.5)	22.5 (72.5)	21.4 (70.5)	16.5 (61.7)	10.8 (51.4)	3.2 (37.8)	-0.8 (30.6)	6.9 (44.4)
Record low monthly average °C (°F)	-18.4 (-1.1)	-16.5 (2.3)	-11.4 (11.5)	-0.8 (30.6)	7.7 (45.9)	14.7 (58.5)	17.6 (63.9)	16.1 (61.0)	11.1 (52.0)	3.3 (37.9)	-5.0 (23.0)	-17.0 (1.4)	2.8 (37.0)
source 1:
source 2:

Days with certain temperature thresholds
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Hot days (≥30 °C)	0	0	0	0	0.2	1.3	2.6	0.8	0.13	0	0	0	5.1
Warm days (≥20 °C)	0	0	0	0.8	9.3	20.4	27.9	25.5	9.1	1.1	0	0	94.1
Mild days (≥10 °C)	0	0.07	0.73	9.9	27.5	29.9	31	31	29.1	17.7	2.4	0.2	179.5
Cold daylight (Max ≤0 °C)	26.7	22.8	13.4	1.4	0	0	0	0	0	0	7.7	22.9	94.9
Freezing days (below 0)	30.9	27.7	28.9	16.5	2.3	0.07	0	0	0.87	10.1	23.0	30.3	170.7
Cold days (≤-2 °C)	30.3	26.7	24.9	9.9	0.53	0	0	0	0.07	5	18.3	28.6	144.3
Very cold days (≤-10 °C)	25.2	21.9	13.5	0.87	0	0	0	0	0	0	4.1	19.3	84.8
Frigidly cold days (≤-20 °C)	12.9	8.7	2.9	0	0	0	0	0	0	0	0.2	6.5	31.3

Precipitation

There are almost 900 mm of rain in Quebec City, The wettest month is July with 121.4 mm. While the driest is February of only 15.2. 1189.7 mm of total precipitation fall a year. Snowfall falls 303.4 cm/yr.

Total precipitation

Climate data for Quebec
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Average precipitation mm (inches)	86.6 (3.41)	74.5 (2.93)	76.1 (3.00)	83.5 (3.29)	115.9 (4.56)	111.4 (4.39)	121.4 (4.78)	104.2 (4.10)	115.5 (4.55)	98.3 (3.87)	102.5 (4.04)	99.9 (3.93)	1,189.7 (46.84)

Precipitation data for Quebec City
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Highest monthly total precipitation	161.7 (6.4)	186.0 (7.3)	177.8 (7.0)	183.0 (7.2)	259.6 (10.2)	231.2 (9.1)	256.4 (10.1)	216.8 (8.5)	213.6 (8.4)	234.0 (9.2)	177.8 (7.0)	239.0 (9.4)	1578.2 (62.1)
Highest 24 hour total precipitation	53.4 (2.1)	53.4 (2.1)	63.5 (2.5)	55.4 (2.2)	54.2 (2.1)	78.0 (3.1)	59.9 (2.4)	55.4 (2.2)	81.2 (3.2)	56.9 (2.2)	45.7 (1.8)	49.6 (2.0)	81.2 (3.2)