March Normals for Temperature, Precipitation, and Snowfall for Chicago

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October 2025 Climate Summary

CHICAGO NORMALS (1991-2020)
JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC

March Normals for Chicago for Temperature, Precipitation and Snowfall

Day of Month	High	Low	Average	HDD	CDD	Precipitation	Snowfall
1	40.9	26.4	33.7	31.3	0	0.08	0.3
2	41.4	26.8	34.1	30.9	0	0.08	0.2
3	41.8	27.1	34.4	30.6	0	0.09	0.3
4	42.2	27.4	34.8	30.2	0	0.08	0.3
5	42.6	27.8	35.2	29.8	0	0.07	0.2
6	43	28.1	35.5	29.5	0	0.08	0.3
7	43.4	28.4	35.9	29.1	0	0.08	0.2
8	43.8	28.7	36.3	28.7	0	0.07	0.3
9	44.2	29	36.6	28.4	0	0.07	0.2
10	44.6	29.3	37	28	0	0.08	0.3
11	45.1	29.6	37.3	27.7	0	0.07	0.2
12	45.5	29.9	37.7	27.3	0	0.08	0.2
13	45.9	30.2	38	27	0.1	0.07	0.2
14	46.3	30.5	38.4	26.7	0.1	0.07	0.2
15	46.7	30.8	38.7	26.4	0.1	0.08	0.2
16	47.1	31.1	39.1	26	0.1	0.07	0.1
17	47.5	31.4	39.4	25.7	0.1	0.08	0.2
18	47.8	31.7	39.8	25.3	0.1	0.08	0.2
19	48.2	31.9	40.1	25	0.1	0.08	0.1
20	48.6	32.2	40.4	24.7	0.1	0.08	0.2
21	49	32.5	40.8	24.4	0.1	0.08	0.1
22	49.4	32.8	41.1	24	0.1	0.08	0.1
23	49.8	33	41.4	23.7	0.1	0.08	0.1
24	50.2	33.3	41.7	23.4	0.1	0.07	0.1
25	50.6	33.6	42.1	23	0.1	0.08	0.1
26	50.9	33.9	42.4	22.7	0.1	0.08	0.1
27	51.3	34.1	42.7	22.4	0.1	0.09	0.1
28	51.7	34.4	43.1	22	0.1	0.08	0.1
29	52.1	34.7	43.4	21.7	0.1	0.09	0.1
30	52.5	35	43.7	21.3	0.1	0.09	0.1
31	52.9	35.3	44.1	21	0.1	0.09	0.1

MONTH	47	31	39	807.9	1.9	2.45	5.5

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