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Galesburg May Weather

Averages and records for weather in Galesburg, Illinois in the month of May.

Typical Galesburg May Weather 1991–2020
Average daily high	72.5 °F
Average daily low	52.0 °F
Average monthly precipitation	5.3 inches
Average monthly snow	0.0 inches
Daily chance of precipitation	38.5%
Daily chance of snow	0.13%

Galesburg May Weather Records 1895–2024
Highest temperature	96 °F	May 29, 2018
Lowest temperature	24 °F	May 1, 1903
Highest daily low	74 °F	May 28, 2012
Lowest daily high	38 °F	May 5, 1944
Hottest average high temperature	80.8 °F	2018
Coldest average high temperature	62.7 °F	1945
Most daily precipitation	3.6 inches	May 16, 2009
Most monthly precipitation	13.0 inches	2019
Most daily snow	7.7 inches	May 19, 1900
Most monthly snow	27.3 inches	1900

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	67.1	46.3	89	24
May 2	67.5	46.7	89	29
May 3	67.7	47.0	88	25
May 4	68.0	47.2	90	30
May 5	68.4	47.5	91	31
May 6	68.8	47.9	89	31
May 7	69.1	48.3	88	27
May 8	69.5	48.7	90	33
May 9	69.8	49.2	91	29
May 10	70.1	49.5	88	28
May 11	70.4	49.9	92	30
May 12	70.7	50.3	95	33
May 13	71.2	50.7	93	34
May 14	71.6	51.2	92	36
May 15	72.0	51.6	91	33
May 16	72.5	52.0	90	34
May 17	72.9	52.4	91	35
May 18	73.3	52.7	92	34
May 19	73.7	53.1	91	39
May 20	73.8	53.4	91	33
May 21	74.1	53.7	92	36
May 22	74.2	54.0	91	34
May 23	74.4	54.2	92	37
May 24	74.7	54.5	90	37
May 25	75.0	54.8	93	36
May 26	75.3	55.1	91	35
May 27	75.7	55.5	91	35
May 28	76.1	56.0	96	34
May 29	76.5	56.5	96	35
May 30	77.0	56.8	93	32
May 31	77.3	57.2	91	39

Weather Station Details

Years	Station	Coordinates
1895–2024	Galesburg	location