| Climate data for Erie, Pennsylvania (Erie International Airport), 1991–2020 normals, extremes 1873–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 73 (23) |
77 (25) |
82 (28) |
89 (32) |
91 (33) |
100 (38) |
99 (37) |
96 (36) |
99 (37) |
89 (32) |
82 (28) |
75 (24) |
100 (38) |
| Mean maximum °F (°C) | 58.9 (14.9) |
58.5 (14.7) |
69.1 (20.6) |
79.6 (26.4) |
85.1 (29.5) |
90.2 (32.3) |
90.5 (32.5) |
89.8 (32.1) |
87.1 (30.6) |
79.3 (26.3) |
68.4 (20.2) |
59.7 (15.4) |
92.4 (33.6) |
| Mean daily maximum °F (°C) | 35.2 (1.8) |
36.5 (2.5) |
44.3 (6.8) |
56.8 (13.8) |
68.3 (20.2) |
77.1 (25.1) |
81.1 (27.3) |
79.9 (26.6) |
73.7 (23.2) |
62.3 (16.8) |
50.5 (10.3) |
40.2 (4.6) |
58.8 (14.9) |
| Daily mean °F (°C) | 28.2 (−2.1) |
28.9 (−1.7) |
36.1 (2.3) |
47.4 (8.6) |
58.8 (14.9) |
68.2 (20.1) |
72.7 (22.6) |
71.5 (21.9) |
65.2 (18.4) |
54.3 (12.4) |
43.6 (6.4) |
34.1 (1.2) |
50.8 (10.4) |
| Mean daily minimum °F (°C) | 21.3 (−5.9) |
21.4 (−5.9) |
27.9 (−2.3) |
38.0 (3.3) |
49.3 (9.6) |
59.4 (15.2) |
64.2 (17.9) |
63.2 (17.3) |
56.7 (13.7) |
46.3 (7.9) |
36.7 (2.6) |
28.0 (−2.2) |
42.7 (5.9) |
| Mean minimum °F (°C) | 3.6 (−15.8) |
4.1 (−15.5) |
11.2 (−11.6) |
25.7 (−3.5) |
35.3 (1.8) |
45.7 (7.6) |
53.8 (12.1) |
53.0 (11.7) |
44.4 (6.9) |
33.9 (1.1) |
23.8 (−4.6) |
13.3 (−10.4) |
0.2 (−17.7) |
| Record low °F (°C) | −18 (−28) |
−18 (−28) |
−9 (−23) |
7 (−14) |
26 (−3) |
32 (0) |
44 (7) |
37 (3) |
33 (1) |
23 (−5) |
6 (−14) |
−11 (−24) |
−18 (−28) |
| Average precipitation inches (mm) | 3.41 (87) |
2.52 (64) |
3.08 (78) |
3.47 (88) |
3.50 (89) |
3.70 (94) |
3.33 (85) |
3.35 (85) |
4.32 (110) |
4.38 (111) |
3.75 (95) |
4.17 (106) |
42.98 (1,092) |
| Average snowfall inches (cm) | 31.8 (81) |
19.4 (49) |
14.5 (37) |
2.6 (6.6) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.1 (0.25) |
9.6 (24) |
26.3 (67) |
104.3 (265) |
| Average extreme snow depth inches (cm) | 9.9 (25) |
9.1 (23) |
7.3 (19) |
1.7 (4.3) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
4.8 (12) |
7.6 (19) |
13.8 (35) |
| Average precipitation days (≥ 0.01 in) | 19.7 | 15.4 | 14.3 | 14.0 | 13.5 | 11.5 | 10.5 | 10.2 | 10.1 | 14.3 | 14.9 | 18.5 | 166.9 |
| Average snowy days (≥ 0.1 in) | 16.3 | 12.3 | 7.8 | 2.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 4.8 | 11.5 | 55.2 |
| Average relative humidity (%) | 74.5 | 75.4 | 71.9 | 67.9 | 68.9 | 71.3 | 71.7 | 74.0 | 74.5 | 71.1 | 72.3 | 75.0 | 72.4 |
| Source: NOAA (relative humidity 1961–1990)[1][2][3] | |||||||||||||
- ^ "NOWData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved May 11, 2021.
- ^ "Station: Erie INTL AP, PA". National Oceanic and Atmospheric Administration. Retrieved May 11, 2021.
- ^ "WMO Climate Normals for Erie/INT'L ARPT, PA 1961–1990". National Oceanic and Atmospheric Administration. Retrieved September 28, 2015.