Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >
May Normals for Chicago for Temperature and Precipitation
|
Day of Month | High | Low | Average | HDD | CDD | Precipitation |
1 | 65.1 | 45.6 | 55.4 | 10.2 | 0.6 | 0.15 |
2 | 65.5 | 46 | 55.7 | 9.9 | 0.6 | 0.14 |
3 | 65.9 | 46.3 | 56.1 | 9.6 | 0.7 | 0.15 |
4 | 66.2 | 46.7 | 56.4 | 9.3 | 0.7 | 0.15 |
5 | 66.6 | 47 | 56.8 | 9 | 0.8 | 0.14 |
6 | 67 | 47.3 | 57.2 | 8.7 | 0.9 | 0.14 |
7 | 67.3 | 47.7 | 57.5 | 8.5 | 1 | 0.15 |
8 | 67.7 | 48 | 57.8 | 8.2 | 1 | 0.15 |
9 | 68.1 | 48.3 | 58.2 | 7.9 | 1.1 | 0.15 |
10 | 68.4 | 48.6 | 58.5 | 7.7 | 1.2 | 0.15 |
11 | 68.8 | 49 | 58.9 | 7.4 | 1.3 | 0.15 |
12 | 69.1 | 49.3 | 59.2 | 7.1 | 1.4 | 0.15 |
13 | 69.5 | 49.6 | 59.6 | 6.9 | 1.5 | 0.16 |
14 | 69.9 | 49.9 | 59.9 | 6.7 | 1.6 | 0.15 |
15 | 70.2 | 50.3 | 60.2 | 6.4 | 1.7 | 0.14 |
16 | 70.6 | 50.6 | 60.6 | 6.2 | 1.8 | 0.15 |
17 | 70.9 | 50.9 | 60.9 | 6 | 1.9 | 0.15 |
18 | 71.2 | 51.2 | 61.2 | 5.8 | 2 | 0.14 |
19 | 71.6 | 51.6 | 61.6 | 5.6 | 2.2 | 0.15 |
20 | 71.9 | 51.9 | 61.9 | 5.4 | 2.3 | 0.15 |
21 | 72.3 | 52.2 | 62.3 | 5.2 | 2.4 | 0.15 |
22 | 72.6 | 52.5 | 62.6 | 5 | 2.6 | 0.15 |
23 | 73 | 52.9 | 62.9 | 4.8 | 2.7 | 0.14 |
24 | 73.3 | 53.2 | 63.3 | 4.6 | 2.8 | 0.14 |
25 | 73.7 | 53.5 | 63.6 | 4.4 | 3 | 0.14 |
26 | 74 | 53.9 | 63.9 | 4.1 | 3.1 | 0.13 |
27 | 74.3 | 54.2 | 64.3 | 3.9 | 3.2 | 0.14 |
28 | 74.7 | 54.6 | 64.6 | 3.7 | 3.3 | 0.14 |
29 | 75 | 54.9 | 65 | 3.5 | 3.5 | 0.13 |
30 | 75.4 | 55.2 | 65.3 | 3.3 | 3.6 | 0.13 |
31 | 75.7 | 55.6 | 65.6 | 3.1 | 3.8 | 0.14 |
MONTH | 70.5 | 50.6 | 60.6 | 198.1 | 60.3 | 4.49 |