| Climate data for Halifax (Citadel Hill) Climate ID: 8202220; coordinates 44°39′N 63°35′W / 44.650°N 63.583°W; elevation: 70.1 m (230 ft); 1981–2010 normals, extremes 1863–present[a] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 14.0 (57.2) |
16.0 (60.8) |
28.2 (82.8) |
28.3 (82.9) |
33.3 (91.9) |
35.3 (95.5) |
37.2 (99.0) |
34.4 (93.9) |
34.6 (94.3) |
31.1 (88.0) |
23.3 (73.9) |
16.7 (62.1) |
37.2 (99.0) |
| Mean daily maximum °C (°F) | −0.1 (31.8) |
0.4 (32.7) |
3.6 (38.5) |
8.7 (47.7) |
14.4 (57.9) |
19.6 (67.3) |
23.1 (73.6) |
23.1 (73.6) |
19.3 (66.7) |
13.4 (56.1) |
8.1 (46.6) |
2.8 (37.0) |
11.4 (52.5) |
| Daily mean °C (°F) | −4.1 (24.6) |
−3.6 (25.5) |
−0.2 (31.6) |
4.9 (40.8) |
10.1 (50.2) |
15.2 (59.4) |
18.8 (65.8) |
19.1 (66.4) |
15.5 (59.9) |
9.9 (49.8) |
4.8 (40.6) |
−0.8 (30.6) |
7.5 (45.5) |
| Mean daily minimum °C (°F) | −8.2 (17.2) |
−7.5 (18.5) |
−3.9 (25.0) |
1.0 (33.8) |
5.8 (42.4) |
10.7 (51.3) |
14.4 (57.9) |
15.1 (59.2) |
11.8 (53.2) |
6.4 (43.5) |
1.5 (34.7) |
−4.3 (24.3) |
3.6 (38.5) |
| Record low °C (°F) | −27.2 (−17.0) |
−29.4 (−20.9) |
−23.3 (−9.9) |
−13.9 (7.0) |
−5.0 (23.0) |
0.0 (32.0) |
4.4 (39.9) |
3.9 (39.0) |
−1.7 (28.9) |
−7.2 (19.0) |
−15.6 (3.9) |
−25.6 (−14.1) |
−29.4 (−20.9) |
| Average precipitation mm (inches) | 139.7 (5.50) |
110.1 (4.33) |
132.5 (5.22) |
118.3 (4.66) |
119.1 (4.69) |
111.8 (4.40) |
110.3 (4.34) |
96.4 (3.80) |
108.9 (4.29) |
124.3 (4.89) |
151.4 (5.96) |
145.1 (5.71) |
1,468.1 (57.80) |
| Average rainfall mm (inches) | 96.7 (3.81) |
75.1 (2.96) |
101.3 (3.99) |
111.3 (4.38) |
118.4 (4.66) |
111.8 (4.40) |
110.3 (4.34) |
96.4 (3.80) |
108.9 (4.29) |
124.1 (4.89) |
143.6 (5.65) |
115.9 (4.56) |
1,313.9 (51.73) |
| Average snowfall cm (inches) | 43.1 (17.0) |
35.0 (13.8) |
31.2 (12.3) |
7.0 (2.8) |
0.8 (0.3) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.1 (0.0) |
7.8 (3.1) |
29.2 (11.5) |
154.2 (60.7) |
| Average precipitation days (≥ 0.2 mm) | 13.8 | 11.6 | 13.1 | 15.2 | 15.8 | 13.6 | 12.1 | 11.1 | 11.7 | 14.1 | 15.3 | 14.5 | 161.8 |
| Average rainy days (≥ 0.2 mm) | 8.5 | 6.5 | 10.2 | 14.1 | 15.7 | 13.6 | 12.1 | 11.1 | 11.7 | 14.1 | 14.5 | 10.8 | 142.7 |
| Average snowy days (≥ 0.2 cm) | 6.8 | 6.1 | 4.1 | 1.6 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 1.2 | 5.2 | 25.3 |
| Mean monthly sunshine hours | 109.5 | 127.2 | 142.8 | 156.6 | 193.3 | 220.7 | 235.2 | 226.6 | 180.5 | 157.8 | 107.4 | 105.2 | 1,962.5 |
| Percent possible sunshine | 38.2 | 43.3 | 38.7 | 38.8 | 42.1 | 47.5 | 49.9 | 52.1 | 47.9 | 46.2 | 37.2 | 38.2 | 43.3 |
| Average ultraviolet index | 1 | 2 | 3 | 5 | 6 | 8 | 8 | 7 | 5 | 3 | 2 | 1 | 4 |
| Source 1: Environment and Climate Change Canada (Sunshine data recorded at CFB Shearwater)[1][2][3][4][5][6][7][8] | |||||||||||||
| Source 2: Nova Scotian Institute of Science[9][10][11][12][13][14][15][16] and Weather Atlas[17] | |||||||||||||
| Climate data for Halifax Stanfield International Airport WMO ID: 71395; coordinates 44°52′48″N 63°30′00″W / 44.88000°N 63.50000°W; elevation: 145.4 m (477 ft); 1991−2020 normals, extremes 1953−present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high humidex | 18.8 | 18.3 | 29.3 | 32.1 | 36.0 | 42.0 | 42.4 | 41.9 | 42.1 | 31.9 | 25.4 | 20.9 | 42.4 |
| Record high °C (°F) | 14.8 (58.6) |
17.5 (63.5) |
27.2 (81.0) |
29.5 (85.1) |
32.8 (91.0) |
34.3 (93.7) |
33.9 (93.0) |
35.0 (95.0) |
34.2 (93.6) |
25.8 (78.4) |
21.5 (70.7) |
16.6 (61.9) |
35.0 (95.0) |
| Mean daily maximum °C (°F) | −1.2 (29.8) |
−0.6 (30.9) |
3.5 (38.3) |
9.2 (48.6) |
15.5 (59.9) |
20.5 (68.9) |
24.2 (75.6) |
24.2 (75.6) |
20.0 (68.0) |
13.7 (56.7) |
7.6 (45.7) |
2.1 (35.8) |
11.6 (52.9) |
| Daily mean °C (°F) | −5.7 (21.7) |
−5.2 (22.6) |
−0.9 (30.4) |
4.5 (40.1) |
10.1 (50.2) |
15.2 (59.4) |
19.2 (66.6) |
19.2 (66.6) |
15.2 (59.4) |
9.2 (48.6) |
3.8 (38.8) |
−1.9 (28.6) |
6.9 (44.4) |
| Mean daily minimum °C (°F) | −10.1 (13.8) |
−9.7 (14.5) |
−5.4 (22.3) |
−0.3 (31.5) |
4.6 (40.3) |
9.8 (49.6) |
14.2 (57.6) |
14.1 (57.4) |
10.2 (50.4) |
4.7 (40.5) |
0.0 (32.0) |
−5.8 (21.6) |
2.2 (36.0) |
| Record low °C (°F) | −28.5 (−19.3) |
−27.3 (−17.1) |
−22.4 (−8.3) |
−12.8 (9.0) |
−4.4 (24.1) |
−0.8 (30.6) |
6.1 (43.0) |
4.4 (39.9) |
−0.8 (30.6) |
−6.7 (19.9) |
−13.1 (8.4) |
−23.3 (−9.9) |
−28.5 (−19.3) |
| Record low wind chill | −40.4 | −41.1 | −33.9 | −24.4 | −10.6 | −4.0 | 0.0 | 0.0 | −3.0 | −10.1 | −23.9 | −35.6 | −41.1 |
| Average precipitation mm (inches) | 125.9 (4.96) |
111.0 (4.37) |
120.2 (4.73) |
106.4 (4.19) |
109.7 (4.32) |
89.8 (3.54) |
86.7 (3.41) |
90.5 (3.56) |
107.3 (4.22) |
139.8 (5.50) |
159.1 (6.26) |
146.9 (5.78) |
1,393.3 (54.85) |
| Average rainfall mm (inches) | 78.6 (3.09) |
70.7 (2.78) |
89.0 (3.50) |
90.4 (3.56) |
108.2 (4.26) |
89.8 (3.54) |
86.7 (3.41) |
90.5 (3.56) |
107.3 (4.22) |
139.2 (5.48) |
145.4 (5.72) |
106.8 (4.20) |
1,202.4 (47.34) |
| Average snowfall cm (inches) | 53.9 (21.2) |
44.3 (17.4) |
34.4 (13.5) |
16.6 (6.5) |
2.1 (0.8) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.6 (0.2) |
19.4 (7.6) |
44.1 (17.4) |
215.2 (84.7) |
| Average precipitation days (≥ 0.2 mm) | 18.7 | 15.2 | 14.6 | 14.6 | 13.5 | 12.2 | 11.0 | 10.8 | 10.1 | 12.8 | 14.6 | 16.9 | 164.8 |
| Average rainy days (≥ 0.2 mm) | 8.0 | 6.2 | 8.7 | 12.0 | 13.1 | 12.2 | 11.0 | 10.8 | 10.1 | 12.8 | 12.5 | 9.8 | 127.4 |
| Average snowy days (≥ 0.2 cm) | 14.4 | 12.1 | 8.8 | 5.3 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 3.7 | 11.0 | 56.0 |
| Average relative humidity (%) (at 15:00 LST) | 74.1 | 67.7 | 63.9 | 61.4 | 60.8 | 62.0 | 63.3 | 62.2 | 64.5 | 67.5 | 73.6 | 77.0 | 66.5 |
| Source: Environment and Climate Change Canada[18][19][20] | |||||||||||||
Notes
edit- ^ Based on station coordinates provided by Environment Canada and documentation from the Nova Scotian Institute of Science, weather data was collected in West End, Halifax from January 1863 to July 1933, at Citadel Hill from August 1933 to August 1939, at Downtown Halifax from September 1939 to July 1974, at Citadel Hill from August 1974 to January 2002 and at CFB Halifax (Windsor Park and Halifax Dockyard) from September 2004 to present.
References
- ^ "Halifax Citadel, Nova Scotia". Canadian Climate Normals 1981–2010. Retrieved May 12, 2016.
- ^ "Shearwater A, Nova Scotia". Canadian Climate Normals 1981–2010. Retrieved May 12, 2016.
- ^ "Monthly Data Report for 1871". Canadian Climate Data. Environment and Climate Change Canada. September 22, 2015. Retrieved 24 March 2016.
- ^ "Daily Data Report for October 1930". Canadian Climate Data. Environment and Climate Change Canada. September 22, 2015. Retrieved 14 May 2016.
- ^ "Monthly Data Report for 1939". Canadian Climate Data. Environment and Climate Change Canada. September 22, 2015. Retrieved 24 March 2016.
- ^ "Daily Data Report for April 1945". Canadian Climate Data. Environment and Climate Change Canada. September 22, 2015. Retrieved 14 May 2016.
- ^ "Daily Data Report for June 2024". Canadian Climate Data. Environment and Climate Change Canada. 27 March 2024. Retrieved 22 June 2024.
- ^ "Halifax Dockyard". Canadian Climate Data. Environment and Climate Change Canada. September 22, 2015. Retrieved 24 March 2016.
- ^ "Abstract of Meteorological register, Halifax, Nova Scotia, 1863" (PDF). Myers, W. J. (1867). Nova Scotian Institute of Science. 1867. Retrieved 4 September 2016.
- ^ "Meteorological register, 1864" (PDF). Nova Scotian Institute of Science. 1867. Retrieved 4 September 2016.
- ^ "Abstract of Meteorological register, Halifax, Nova Scotia, 1865" (PDF). Nova Scotian Institute of Science. 1867. Retrieved 4 September 2016.
- ^ "Abstract of Meteorological register, Halifax, Nova Scotia, 1866" (PDF). Nova Scotian Institute of Science. 1867. Retrieved 4 September 2016.
- ^ "Meteorological record, Halifax, Nova Scotia, 1867" (PDF). Nova Scotian Institute of Science. 1868. Retrieved 4 September 2016.
- ^ "Meteorological summary, 1868" (PDF). Nova Scotian Institute of Science. 1869. Retrieved 4 September 2016.
- ^ "On the meteorology of Halifax, 1870" (PDF). Allison, F. (1871). Nova Scotian Institute of Science. 1871. Retrieved 4 September 2016.
- ^ "On the meteorology of Halifax, 1871" (PDF). Allison, F. (1872). Nova Scotian Institute of Science. 1872. Retrieved 4 September 2016.
- ^ "Halifax, Canada - Detailed climate information and monthly weather forecast". Weather Atlas. Yu Media Group. Retrieved 2019-07-06.
- ^ "Halifax Stanfield (Airport)". Canadian Climate Normals 1991–2020. Environment and Climate Change Canada. Retrieved 9 June 2024.
- ^ "Daily Data Report for November 2022". Canadian Climate Data. Environment and Climate Change Canada. Retrieved 9 June 2024.
- ^ "Daily Data Report for June 2024". Canadian Climate Data. Environment and Climate Change Canada. Retrieved 22 June 2024.