Template:Milwaukee weatherbox
| Climate data for Milwaukee (Mitchell International Airport), 1991–2020 normals,[A] extremes 1871–present[B] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 63 (17) |
74 (23) |
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) | 50.5 (10.3) |
52.8 (11.6) |
67.1 (19.5) |
79.5 (26.4) |
85.8 (29.9) |
92.0 (33.3) |
93.4 (34.1) |
91.7 (33.2) |
88.1 (31.2) |
79.9 (26.6) |
65.5 (18.6) |
53.4 (11.9) |
95.0 (35.0) |
| Mean daily maximum °F (°C) | 30.9 (−0.6) |
34.2 (1.2) |
44.2 (6.8) |
54.7 (12.6) |
66.5 (19.2) |
76.8 (24.9) |
81.9 (27.7) |
80.3 (26.8) |
73.5 (23.1) |
61.3 (16.3) |
47.8 (8.8) |
36.1 (2.3) |
57.3 (14.1) |
| Daily mean °F (°C) | 24.0 (−4.4) |
27.1 (−2.7) |
36.4 (2.4) |
46.3 (7.9) |
57.1 (13.9) |
67.6 (19.8) |
73.3 (22.9) |
72.3 (22.4) |
65.0 (18.3) |
53.0 (11.7) |
40.4 (4.7) |
29.5 (−1.4) |
49.3 (9.6) |
| Mean daily minimum °F (°C) | 17.2 (−8.2) |
20.0 (−6.7) |
28.7 (−1.8) |
37.8 (3.2) |
47.8 (8.8) |
58.4 (14.7) |
64.7 (18.2) |
64.2 (17.9) |
56.4 (13.6) |
44.7 (7.1) |
33.1 (0.6) |
23.0 (−5.0) |
41.3 (5.2) |
| Mean minimum °F (°C) | −4.5 (−20.3) |
1.0 (−17.2) |
10.6 (−11.9) |
25.6 (−3.6) |
36.3 (2.4) |
45.7 (7.6) |
54.7 (12.6) |
55.0 (12.8) |
42.3 (5.7) |
30.6 (−0.8) |
17.9 (−7.8) |
3.2 (−16.0) |
−7.9 (−22.2) |
| 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) | 1.79 (45) |
1.69 (43) |
2.20 (56) |
3.86 (98) |
3.54 (90) |
4.38 (111) |
3.40 (86) |
3.65 (93) |
3.16 (80) |
2.78 (71) |
2.24 (57) |
1.88 (48) |
34.57 (878) |
| Average snowfall inches (cm) | 14.9 (38) |
11.8 (30) |
6.7 (17) |
2.1 (5.3) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.3 (0.76) |
2.5 (6.4) |
10.4 (26) |
48.7 (124) |
| Average precipitation days (≥ 0.01 in) | 11.4 | 10.0 | 10.7 | 12.2 | 11.7 | 11.1 | 9.5 | 9.5 | 8.6 | 10.3 | 10.2 | 10.3 | 125.5 |
| Average snowy days (≥ 0.1 in) | 10.0 | 8.1 | 5.0 | 1.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 2.6 | 7.3 | 35.1 |
| 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 |
| Average dew point °F (°C) | 11.7 (−11.3) |
15.4 (−9.2) |
24.6 (−4.1) |
33.6 (0.9) |
43.7 (6.5) |
54.3 (12.4) |
60.6 (15.9) |
60.4 (15.8) |
53.4 (11.9) |
41.4 (5.2) |
30.4 (−0.9) |
18.3 (−7.6) |
37.3 (3.0) |
| 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 |
| Average ultraviolet index | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 8 | 6 | 3 | 2 | 1 | 5 |
| Source 1: NOAA (relative humidity, dew point, and sun 1961–1990)[1][2][3][4] | |||||||||||||
| Source 2: Weather Atlas [5] | |||||||||||||
| Climate data for Milwaukee | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average sea temperature °F (°C) | 37.5 (3.0) |
36.0 (2.2) |
36.2 (2.4) |
38.2 (3.4) |
40.8 (4.9) |
53.3 (11.8) |
67.9 (19.9) |
71.9 (22.2) |
66.9 (19.4) |
54.9 (12.8) |
46.9 (8.3) |
40.1 (4.5) |
49.2 (9.6) |
| Source: Weather Atlas [5] | |||||||||||||
Notes[edit]
- ^ 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 1991 to 2020.
- ^ 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[edit]
- ^ "Normals and Extremes for Milwaukee and Madison". National Weather Service. Retrieved February 23, 2017.
- ^ "NOWData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved May 5, 2021.
- ^ "Summary of Monthly Normals 1991–2020". National Climatic Data Center. Archived from the original on May 5, 2021. Retrieved May 5, 2021.
- ^ "WMO Climate Normals for Milwaukee/Gen. Mitchell, WI 1961–1990". National Oceanic and Atmospheric Administration. Retrieved July 25, 2020.
- ^ a b "Milwaukee, Wisconsin, USA - Monthly weather forecast and Climate data". Weather Atlas. Retrieved July 4, 2019.