Template:Milwaukee weatherbox
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| Climate data for Milwaukee (General Mitchell International Airport), 1981–2010 normals,[lower-alpha 1] extremes 1871–present[lower-alpha 2] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 63 (17) |
71 (22) |
84 (29) |
91 (33) |
95 (35) |
104 (40) |
105 (41) |
103 (39) |
99 (37) |
89 (32) |
77 (25) |
68 (20) |
105 (41) |
| Mean maximum °F (°C) | 48.4 (9.1) |
51.6 (10.9) |
68.6 (20.3) |
79.6 (26.4) |
85.1 (29.5) |
92.3 (33.5) |
93.7 (34.3) |
91.8 (33.2) |
87.3 (30.7) |
78.5 (25.8) |
65.0 (18.3) |
51.3 (10.7) |
95.5 (35.3) |
| Average high °F (°C) | 28.9 (−1.7) |
32.5 (0.3) |
42.4 (5.8) |
53.8 (12.1) |
64.9 (18.3) |
75.3 (24.1) |
80.1 (26.7) |
78.5 (25.8) |
71.3 (21.8) |
59.3 (15.2) |
46.0 (7.8) |
32.8 (0.4) |
55.6 (13.1) |
| Average low °F (°C) | 15.6 (−9.1) |
19.3 (−7.1) |
27.7 (−2.4) |
37.3 (2.9) |
46.5 (8.1) |
57.1 (13.9) |
63.5 (17.5) |
63.0 (17.2) |
54.9 (12.7) |
43.2 (6.2) |
32.0 (0.0) |
20.1 (−6.6) |
40.1 (4.5) |
| Mean minimum °F (°C) | −5.1 (−20.6) |
0.4 (−17.6) |
10.9 (−11.7) |
24.7 (−4.1) |
35.7 (2.1) |
45.0 (7.2) |
53.2 (11.8) |
53.4 (11.9) |
40.7 (4.8) |
29.9 (−1.2) |
17.4 (−8.1) |
0.1 (−17.7) |
−10.2 (−23.4) |
| Record low °F (°C) | −26 (−32) |
−26 (−32) |
−10 (−23) |
12 (−11) |
21 (−6) |
33 (1) |
40 (4) |
42 (6) |
28 (−2) |
15 (−9) |
−14 (−26) |
−22 (−30) |
−26 (−32) |
| Average precipitation inches (mm) | 1.76 (45) |
1.65 (42) |
2.27 (58) |
3.56 (90) |
3.40 (86) |
3.90 (99) |
3.67 (93) |
3.97 (101) |
3.18 (81) |
2.65 (67) |
2.71 (69) |
2.04 (52) |
34.76 (883) |
| Average snowfall inches (cm) | 14.7 (37) |
9.8 (25) |
7.0 (18) |
2.0 (5.1) |
0.1 (0.25) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0.3 (0.76) |
2.4 (6.1) |
10.6 (27) |
46.9 (119) |
| Average precipitation days (≥ 0.01 in) | 11.4 | 9.7 | 11.4 | 12.1 | 11.4 | 10.4 | 9.8 | 9.5 | 8.8 | 10.0 | 11.3 | 10.9 | 126.7 |
| Average snowy days (≥ 0.1 in) | 9.8 | 7.5 | 5.6 | 1.7 | 0.1 | 0 | 0 | 0 | 0 | 0.3 | 2.5 | 7.8 | 35.3 |
| Average relative humidity (%) | 72.3 | 71.9 | 71.4 | 68.5 | 68.5 | 69.7 | 71.5 | 74.9 | 75.4 | 72.5 | 74.5 | 75.9 | 72.3 |
| Mean monthly sunshine hours | 140.2 | 151.5 | 185.4 | 213.5 | 275.5 | 304.5 | 321.1 | 281.2 | 215.1 | 178.0 | 112.8 | 104.8 | 2,483.6 |
| Percent possible sunshine | 48 | 51 | 50 | 53 | 61 | 66 | 69 | 65 | 57 | 52 | 38 | 37 | 56 |
| Source: NOAA/NWS (relative humidity and sun 1961–1990)[1][2][3][4] | |||||||||||||
Notes
- ↑ Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1981 to 2010.
- ↑ Records kept January 1871 to February 1941 at the Weather Bureau Office and at General Mitchell Int'l since March 1941. For more information, see Threadex
References
- ↑ "Normals and Extremes for Milwaukee and Madison". National Weather Service. Retrieved 2017-02-23.
- ↑ "NOWData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved 2018-10-10.
- ↑ "Station Name: WI MILWAUKEE MITCHELL AP". National Climatic Data Center. Retrieved 2014-04-21.
- ↑ "WMO Climate Normals for MILWAUKEE/GEN. MITCHELL, WI 1961–1990". National Oceanic and Atmospheric Administration. Retrieved 2014-03-10.
