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Lewistown May Weather

Averages and records for weather in Lewistown, Pennsylvania in the month of May.

Typical Lewistown May Weather 1991–2020
Average daily high	72.6 °F
Average daily low	49.1 °F
Average monthly precipitation	4.2 inches
Average monthly snow	none
Daily chance of precipitation	45.8%
Daily chance of snow	0%

Lewistown May Weather Records 1938–2024
Highest temperature	97 °F	May 16, 1962
Lowest temperature	26 °F	May 8, 1983
Highest daily low	73 °F	May 30, 1969
Lowest daily high	43 °F	May 10, 1966
Hottest average high temperature	80.3 °F	1977
Coldest average high temperature	65.8 °F	1967
Most daily precipitation	3.8 inches	May 16, 2014
Most monthly precipitation	7.8 inches	1960
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	67.9	43.9	87	31
May 2	68.2	44.2	90	29
May 3	68.5	44.5	88	28
May 4	68.7	44.8	90	29
May 5	68.8	45.1	92	29
May 6	69.1	45.3	93	32
May 7	69.4	45.5	95	32
May 8	69.7	45.9	92	26
May 9	70.0	46.2	92	28
May 10	70.3	46.6	90	27
May 11	70.7	47.0	92	26
May 12	71.0	47.4	91	29
May 13	71.4	47.8	90	33
May 14	71.8	48.3	90	29
May 15	72.1	48.7	89	32
May 16	72.5	49.0	97	30
May 17	72.7	49.4	92	31
May 18	73.0	49.7	95	31
May 19	73.3	50.0	96	35
May 20	73.6	50.3	96	34
May 21	73.7	50.5	95	32
May 22	73.9	50.8	94	33
May 23	74.1	51.2	92	37
May 24	74.4	51.5	92	33
May 25	74.6	51.7	89	32
May 26	74.9	51.9	90	34
May 27	75.2	52.2	90	35
May 28	75.6	52.7	92	35
May 29	76.0	53.1	91	35
May 30	76.4	53.5	95	34
May 31	76.6	53.8	94	35

Weather Station Details

Years	Station	Coordinates
1938–2024	Lewistown	location