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Belleville October Weather

Averages and records for weather in Belleville, Illinois in the month of October.

Typical Belleville October Weather 1991–2020
Average daily high	72.3 °F
Average daily low	46.6 °F
Average monthly precipitation	3.1 inches
Average monthly snow	none
Daily chance of precipitation	27.1%
Daily chance of snow	0%

Belleville October Weather Records 1948–2024
Highest temperature	96 °F	October 1, 2019
Lowest temperature	20 °F	October 24, 1981
Highest daily low	72 °F	October 10, 2018
Lowest daily high	39 °F	October 31, 1993
Hottest average high temperature	79.8 °F	1963
Coldest average high temperature	64.1 °F	2009
Most daily precipitation	3.5 inches	October 30, 2009
Most monthly precipitation	12.1 inches	2009
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
October 1	78.2	51.4	96	31
October 2	77.8	51.0	95	26
October 3	77.5	50.6	94	27
October 4	77.1	50.2	93	31
October 5	76.7	49.7	92	28
October 6	76.3	49.3	92	26
October 7	75.9	48.9	90	28
October 8	75.7	48.7	92	25
October 9	75.4	48.5	91	28
October 10	75.0	48.1	88	27
October 11	74.6	47.8	92	27
October 12	74.2	47.6	87	27
October 13	73.6	47.3	89	27
October 14	73.1	47.0	89	24
October 15	72.7	46.8	89	30
October 16	72.3	46.6	86	25
October 17	71.8	46.3	88	29
October 18	71.3	45.9	87	26
October 19	70.8	45.5	88	24
October 20	70.2	45.1	86	23
October 21	69.7	44.8	86	24
October 22	69.2	44.6	86	21
October 23	68.6	44.4	85	24
October 24	68.0	43.9	84	20
October 25	67.6	43.5	82	22
October 26	67.1	43.2	84	23
October 27	66.7	42.8	85	26
October 28	66.3	42.5	84	20
October 29	65.8	42.2	83	22
October 30	65.2	41.7	88	22
October 31	64.7	41.4	86	22

Weather Station Details

Years	Station	Coordinates
1948–2024	Belleville SIU Research	location