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New Castle May Weather

Averages and records for weather in New Castle, Indiana in the month of May.

Typical New Castle May Weather 1991–2020
Average daily high	71.7 °F
Average daily low	49.4 °F
Average monthly precipitation	4.8 inches
Average monthly snow	none
Daily chance of precipitation	41.1%
Daily chance of snow	0%

New Castle May Weather Records 1949–2024
Highest temperature	93 °F	May 29, 2018
Lowest temperature	24 °F	May 9, 2020
Highest daily low	70 °F	May 26, 1991
Lowest daily high	42 °F	May 11, 1960
Hottest average high temperature	81.5 °F	2018
Coldest average high temperature	64.3 °F	2002
Most daily precipitation	3.2 inches	May 30, 1991
Most monthly precipitation	9.9 inches	2011
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
May 1	66.7	43.9	89	27
May 2	66.9	44.2	87	29
May 3	67.2	44.5	88	26
May 4	67.3	44.9	88	28
May 5	67.5	45.0	91	31
May 6	67.7	45.3	88	29
May 7	68.2	45.7	88	28
May 8	68.5	46.0	87	28
May 9	68.9	46.4	86	24
May 10	69.3	46.8	89	25
May 11	69.6	47.2	87	29
May 12	69.9	47.6	88	29
May 13	70.3	48.1	87	30
May 14	70.7	48.5	90	31
May 15	71.2	48.9	89	32
May 16	71.5	49.3	89	30
May 17	71.8	49.6	92	31
May 18	72.1	49.9	93	32
May 19	72.4	50.2	92	30
May 20	72.7	50.5	91	30
May 21	72.9	50.8	90	34
May 22	73.1	51.0	89	33
May 23	73.3	51.3	90	33
May 24	73.5	51.5	89	36
May 25	73.8	51.7	90	40
May 26	73.9	52.0	90	37
May 27	74.2	52.4	91	29
May 28	74.6	52.9	93	35
May 29	75.0	53.4	93	37
May 30	75.4	53.9	91	35
May 31	75.7	54.2	91	36

Weather Station Details

Years	Station	Coordinates
1949–2024	New Castle 3 SW	location