Middletown-Harrisburg, PA: May

31 May 2026: May 2026 averaged 62.1°F in Middletown-Harrisburg, PA, the coldest May since 2023, tied 65th coldest of 137 (with 1979, 1951 and 1946).

May 2026

Mean temperature: 62.1°F; Coldest since 2023; 65th coldest of 137
Precipitation: 2.83 in; Driest since 2023; 52nd driest of 138

A normal May in Middletown-Harrisburg, PA (1991 to 2020): a mean temperature of 62.5°F, between 59.6°F and 67.3°F in eight years of ten and 3.59 in of precipitation, between 1.63 in and 5.78 in in eight years of ten.

The mean temperature of every May in Middletown-Harrisburg, PA since 1889: 62.1°F in 2026; the lowest is 55.1°F, in 1967.

Normal range, 59.6 to 67.3°F

Every year, ranked, as a table

Every May in Middletown-Harrisburg, PA from 1889 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	62.1	70	72	72	52.1	67	2.83	87	0
2025	63.2	46	71.5	81	54.9	22	10.02	1	0
2024	66.2	12	74.7	32	57.8	4	3.82	62	0
2023	61.5	87	73.2	54	49.9	114	0.19	138	0
2022	65.3	20	75.2	27	55.4	17	6.67	10	0
2021	63.1	47	73.6	48	52.6	55	3.08	82	0
2020	60.2	102	69.8	111	50.6	102	1.89	112	0
2019	66.2	12	74.7	32	57.7	5	6.84	9	0
2018	67.1	7	76.9	15	57.4	6	5.71	26	0
2017	61.6	85	70.5	95	52.8	54	3.93	59	0
2016	61.9	77	70.8	93	53.1	49	3.46	73	0
2015	68.9	2	79.9	3	57.9	2	3.52	69	0
2014	63	50	73.6	48	52.5	58	5.14	44	0
2013	62.3	64	72.9	55	51.8	72	2.57	95	0
2012	67.2	6	76.5	16	57.9	2	5.55	31	0
2011	65	25	74.3	38	55.7	14	5.34	37	0
2010	65	25	74.2	42	55.9	13	5.08	45	0
2009	62.5	58	71.8	78	53.1	49	6.99	8	0
2008	58.5	127	69.3	116	47.8	135	5.41	34	0
2007	65.2	22	77.4	10	53	51	1.07	128	0
2006	62.2	68	72.8	60	51.7	76	2.16	105	0
2005	59.5	118	70.5	95	48.5	130	0.88	132	0
2004	68.2	5	77.4	10	59.1	1	3.47	72	0
2003	58.8	126	66.4	133	51.3	89	5.40	35	0
2002	59.9	112	70.3	100	49.5	121	4.40	51	0
2001	62.4	60	72.9	55	51.9	70	1.66	117	0
2000	65.1	23	76.1	20	54	33	4.03	56	0
1999	65	25	76.4	18	53.6	40	1.39	124	0
1998	66.8	9	77	14	56.6	11	6.37	15	0
1997	59.6	117	70.3	100	48.8	127	3.66	66	0
1996	60	107	70.2	103	49.8	115	3.93	59	0
1995	61.9	77	72.1	71	51.7	76	3.52	69	0
1994	59.7	114	70.9	89	48.6	129	2.73	89	0
1993	64.6	33	75.6	25	53.6	40	1.96	109	0
1992	60.2	102	70.2	103	50.2	107	3.17	79	0
1991	69.1	1	81	1	57.2	7	3.15	80	0
1990	59.4	119	68.8	120	50	110	7.20	7	0
1989	60	107	69.5	113	50.5	103	9.71	2	0
1988	62.3	64	72.4	68	52.2	64	5.79	25	0
1987	63.1	47	74.4	37	51.9	70	3.73	64	0
1986	65.6	17	75.8	23	55.4	17	2.29	100	0
1985	65.1	23	74.7	32	55.6	16	6.29	17	0
1984	58.1	131	67.3	131	49	125	6.20	19	0
1983	58.4	128	68.4	125	48.4	131	5.36	36	0
1982	62.2	68	73.3	53	51.1	93	4.89	47	0
1981	61.9	77	73.6	48	50.2	107	1.86	114	0
1980	63.3	45	75	30	51.6	83	4.58	49	0
1979	62.1	70	72.7	63	51.6	83	4.66	48	0
1978	61.4	89	70.9	89	52	69	5.67	27	0
1977	64.5	35	76.1	20	52.9	52	1.00	129	0
1976	59.4	119	69.1	118	49.6	120	5.42	33	0
1975	64.7	32	75.1	28	54.4	27	5.25	43	0
1974	63	50	72.5	65	53.5	46	4.38	52	0
1973	57.8	133	67.5	129	48.1	133	6.37	15	0
1972	62.3	64	72.8	60	51.8	72	5.56	30	0
1971	60	107	70.2	103	49.7	117	5.30	39	0
1970	65	25	76.1	20	54	33	2.39	98	0
1969	63.1	47	75	30	51.3	89	1.56	120	0
1968	58	132	68.1	127	47.9	134	6.55	12	0
1967	55.1	137	65.7	134	44.6	138	4.32	53	0
1966	61.4	89	72.9	55	49.8	115	0.98	130	0
1965	66.5	10	78.9	5	54	33	2.38	99	0
1964	64.3	36	77.6	8	50.9	96	0.51	135	0
1963	61.6	85	74.3	38	48.9	126	2.66	92	0
1962	64.9	29	76.2	19	53.6	40	2.96	84	0
1961	59.1	123	68.6	123	49.5	121	2.03	107	0
1960	59.9	112	69.4	114	50.4	106	7.41	6	0
1959	65.7	16	77.1	13	54.4	27	1.51	121	1
1958	61	94	71.2	85	50.8	100	3.29	76	1
1957	62.8	53	73.7	47	51.7	76	0.84	133	1
1956	59.7	114	71.1	87	48.2	132	2.43	96	0
1955	64.6	33	75.5	26	53.6	40	0.96	131	0
1954	60	107	70.4	98	49.3	124	3.28	77	1
1953	64.8	31	74.5	36	55.1	21	8.06	4	0
1952	60.2	102	69.4	114	51	95	5.80	24	0
1951	62.1	70	72.8	60	51.3	89	1.88	113	0
1950	60.8	98	70	107	51.5	86	5.60	29	0
1949	62.4	60	73.9	46	50.9	96	2.12	106	0
1948	61.3	92	71	88	51.7	76	5.64	28	0
1947	61.1	93	72.2	70	50	110	5.27	41	0
1946	62.1	70	72.5	65	51.7	76	7.54	5	0
1945	59.7	114	70	107	49.4	123	5.26	42	0
1944	68.8	3	81	1	56.6	11	5.03	46	0
1943					54	33	6.24	18	4
1942	66.2	12	77.2	12	55.2	19	6.39	14	0
1941	65.4	19	78.2	7	52.5	58	1.93	111	0
1940	62	74	72.3	69	51.8	72	3.56	68	0
1939	66.4	11	78.8	6	53.9	38	0.54	134	0
1938	61	94	69.9	110	52.1	67	3.45	74	0
1937	63.5	43	74.3	38	52.6	55	3.19	78	0
1936	65.5	18	76.5	16	54.5	26	1.60	119	0
1935	59.3	121	68.6	123	50	110	1.42	123	0
1934	63.9	39	74.2	42	53.6	40	3.63	67	0
1933	64.1	38	72.6	64	55.7	14	5.53	32	0
1932	61.9	77	72	72	51.8	72	3.87	61	0
1931	62.3	64	72	72	52.6	55	3.75	63	0
1930	63.8	40	74	44	53.6	40	2.62	93	0
1929	60.8	98	70.8	93	50.8	100	4.14	54	0
1928	60.9	96	70.9	89	50.9	96	2.22	103	0
1927	59.3	121	67.5	129	51.2	92	2.72	91	0
1926	62.4	60	74	44	50.9	96	1.63	118	0
1925	58.4	128	69.2	117	47.5	137	2.17	104	0
1924	57.7	134	65.7	134	49.7	117	6.49	13	0
1923	61.7	83	72.9	55	50.5	103	3.14	81	0
1922	64.9	29	74.7	32	55.2	19	3.72	65	0
1921	61.4	89	70.4	98	52.5	58	3.94	58	0
1920	59	124	68.4	125	49.7	117	1.34	125	0
1919	61.8	82	71.4	83	52.2	64	5.82	23	0
1918	67.1	7	77.5	9	56.7	10	2.95	85	0
1917	56.6	136	64.4	137	48.7	128	1.95	110	0
1916	63.4	44	71.9	76	54.8	24	2.25	102	0
1915	58.4	128	66.6	132	50.1	109	2.84	86	0
1914	65.3	20	75.7	24	54.9	22	2.61	94	0
1913	61.5	87	71.5	81	51.5	86	2.73	89	0
1912	63.6	42	72.9	55	54.3	30	2.81	88	0
1911	68.4	4	79.6	4	57.2	7	2.26	101	0
1910	60.1	105	68.8	120	51.4	88	4.11	55	0
1909	62	74	71.4	83	52.5	58	2.40	97	0
1908	62.6	55	70.5	95	54.7	25	3.48	71	0
1907	56.8	135	65.7	134	47.8	135	1.45	122	0
1906	62.5	58	72.5	65	52.4	63	1.28	127	0
1905	62.8	53	71.7	80	54	33	1.73	116	0
1904	63.8	40	73.5	51	54.2	31	3.45	74	0
1903	64.3	36	74.3	38	54.4	27	0.46	136	0
1902	62	74	71.8	78	52.2	64	0.29	137	0
1901	60.9	96	68.8	120	52.9	52	5.98	22	0
1900	62.6	55	73.4	52	51.7	76	1.33	126	0
1899	63	50	72	72	54.1	32	4.49	50	0
1898	61.7	83	70.1	106	53.4	47	6.13	20	0
1897	60.6	101	69.6	112	51.7	76	5.30	39	0
1896	66.1	15	75.1	28	57.1	9	2.99	83	0
1895	61.9	77	71.2	85	52.5	58	1.98	108	0
1894	62.4	60	70.9	89	53.9	38	6.07	21	0
1893	59	124	67.6	128	50.5	103	5.32	38	0
1892	60	107	68.9	119	51.1	93	3.95	57	0
1891	60.1	105	70.3	100	50	110	1.77	115	0
1890	60.8	98	70	107	51.6	83	6.61	11	0
1889	62.6	55	71.9	76	53.4	47	9.51	3	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1991	69.1
2015	68.9
1944	68.8
1911	68.4
2004	68.2
2012	67.2
2018	67.1
1918	67.1
1998	66.8
1965	66.5

Coldest
Year	Mean, °F
1967	55.1
1917	56.6
1907	56.8
1924	57.7
1973	57.8
1968	58
1984	58.1
1983	58.4
1925	58.4
1915	58.4

Wettest
Year	Precipitation, in
2025	10.02
1989	9.71
1889	9.51
1953	8.06
1946	7.54
1960	7.41
1990	7.20
2009	6.99
2019	6.84
2022	6.67

Driest
Year	Precipitation, in
2023	0.19
1902	0.29
1903	0.46
1964	0.51
1939	0.54
1957	0.84
2005	0.88
1955	0.96
1966	0.98
1977	1.00

The hottest, coldest and wettest days

Hottest day: 93°F; 19 May 2026, 18 May 2026
Coldest night: 39°F; 1 May 2026
Wettest day: 0.95 in; 23 May 2026

Every month, season and year

Months

Seasons

Years

Middletown-Harrisburg, PA the day's answers

All-time records

Every answer in words

May 2026 brought 2.83 in of precipitation in Middletown-Harrisburg, PA, the driest May since 2023, 52nd driest of 138.
The hottest day of May 2026 in Middletown-Harrisburg, PA: 93°F on Tuesday 19 May 2026 and Monday 18 May 2026.
The coldest night of May 2026 in Middletown-Harrisburg, PA: a low of 39°F on Friday 1 May 2026.
The wettest day of May 2026 in Middletown-Harrisburg, PA: 0.95 in on Saturday 23 May 2026.