| Climate data for Lansing, Michigan (Capital Region Int'l), 1991−2020 normals, extremes 1863−present[a] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 66 (19) |
73 (23) |
86 (30) |
88 (31) |
96 (36) |
99 (37) |
103 (39) |
102 (39) |
99 (37) |
90 (32) |
79 (26) |
70 (21) |
103 (39) |
| Mean maximum °F (°C) | 51.7 (10.9) |
52.6 (11.4) |
68.2 (20.1) |
78.2 (25.7) |
85.4 (29.7) |
91.4 (33.0) |
92.3 (33.5) |
91.3 (32.9) |
87.8 (31.0) |
79.1 (26.2) |
65.4 (18.6) |
54.4 (12.4) |
94.3 (34.6) |
| Mean daily maximum °F (°C) | 30.6 (−0.8) |
33.5 (0.8) |
44.4 (6.9) |
57.6 (14.2) |
69.4 (20.8) |
78.9 (26.1) |
82.8 (28.2) |
80.6 (27.0) |
73.6 (23.1) |
60.5 (15.8) |
47.0 (8.3) |
35.7 (2.1) |
57.9 (14.4) |
| Daily mean °F (°C) | 23.9 (−4.5) |
25.9 (−3.4) |
35.2 (1.8) |
47.0 (8.3) |
58.4 (14.7) |
68.0 (20.0) |
71.8 (22.1) |
70.0 (21.1) |
62.5 (16.9) |
50.8 (10.4) |
39.5 (4.2) |
29.5 (−1.4) |
48.5 (9.2) |
| Mean daily minimum °F (°C) | 17.2 (−8.2) |
18.3 (−7.6) |
26.0 (−3.3) |
36.4 (2.4) |
47.5 (8.6) |
57.1 (13.9) |
60.9 (16.1) |
59.5 (15.3) |
51.5 (10.8) |
41.2 (5.1) |
31.9 (−0.1) |
23.3 (−4.8) |
39.2 (4.0) |
| Mean minimum °F (°C) | −5.6 (−20.9) |
−3.0 (−19.4) |
5.3 (−14.8) |
21.0 (−6.1) |
31.2 (−0.4) |
41.5 (5.3) |
47.5 (8.6) |
45.7 (7.6) |
36.0 (2.2) |
26.0 (−3.3) |
15.9 (−8.9) |
3.9 (−15.6) |
−9.4 (−23.0) |
| Record low °F (°C) | −29 (−34) |
−37 (−38) |
−25 (−32) |
−6 (−21) |
19 (−7) |
27 (−3) |
31 (−1) |
26 (−3) |
19 (−7) |
10 (−12) |
−5 (−21) |
−25 (−32) |
−37 (−38) |
| Average precipitation inches (mm) | 2.06 (52) |
1.71 (43) |
2.13 (54) |
3.26 (83) |
3.66 (93) |
3.76 (96) |
2.94 (75) |
3.48 (88) |
2.81 (71) |
3.16 (80) |
2.46 (62) |
1.90 (48) |
33.33 (847) |
| Average snowfall inches (cm) | 14.3 (36) |
12.9 (33) |
5.9 (15) |
1.7 (4.3) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.2 (0.51) |
3.9 (9.9) |
11.3 (29) |
50.2 (128) |
| Average extreme snow depth inches (cm) | 8.0 (20) |
7.6 (19) |
5.0 (13) |
1.1 (2.8) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
2.5 (6.4) |
5.4 (14) |
10.3 (26) |
| Average precipitation days (≥ 0.01 in) | 13.9 | 10.7 | 10.9 | 12.5 | 12.5 | 10.5 | 9.1 | 10.1 | 10.1 | 11.6 | 12.3 | 13.5 | 137.7 |
| Average snowy days (≥ 0.1 in) | 11.9 | 10.0 | 4.8 | 1.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 3.9 | 9.4 | 42.1 |
| Average relative humidity (%) | 78.8 | 76.2 | 73.3 | 67.6 | 66.7 | 69.0 | 71.0 | 74.9 | 77.5 | 76.1 | 78.6 | 81.1 | 74.2 |
| Average dew point °F (°C) | 16.0 (−8.9) |
16.9 (−8.4) |
25.3 (−3.7) |
34.5 (1.4) |
45.1 (7.3) |
55.2 (12.9) |
60.3 (15.7) |
59.5 (15.3) |
53.2 (11.8) |
41.5 (5.3) |
32.2 (0.1) |
21.7 (−5.7) |
38.4 (3.6) |
| Mean monthly sunshine hours | 118.2 | 140.1 | 187.6 | 218.7 | 278.6 | 296.2 | 318.5 | 278.1 | 217.6 | 163.8 | 92.4 | 82.1 | 2,391.9 |
| Percent possible sunshine | 40 | 47 | 51 | 54 | 61 | 65 | 69 | 65 | 58 | 48 | 32 | 29 | 54 |
| Source: NOAA (relative humidity, dew point and sun 1961−1990)[1][2][3] | |||||||||||||
- ^ Official records for Lansing were kept in East Lansing from April 1863 to April 1948, Capital Region Int'l from May 1948 to July 1954, East Lansing again from August 1954 to April 1959, and again at Capital Region Int'l since May 1959. For more information, see ThreadEx.
- ^ "NowData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved May 6, 2021.
- ^ "Station: Lansing Capital City AP, MI". National Oceanic and Atmospheric Administration. Archived from the original on May 6, 2021. Retrieved May 6, 2021.
- ^ "WMO Climate Normals for LANSING/CAPITAL CITY AP, MI 1961–1990". National Oceanic and Atmospheric Administration. Archived from the original on 2024-01-08. Retrieved March 30, 2014.