Pittsburgh, PA: May

31 May 2026: May 2026 averaged 58.8°F in Pittsburgh, PA, the coldest May since 2021, tied 36th coldest of 147 (with 2006 and 1935).

May 2026

Mean temperature: 58.8°F; Coldest since 2021; 36th coldest of 147
Precipitation: 4.30 in; Wettest since 2024; 48th wettest of 156

A normal May in Pittsburgh, PA (1991 to 2020): a mean temperature of 61.2°F, between 56.7°F and 66.2°F in eight years of ten and 3.67 in of precipitation, between 2.30 in and 5.98 in in eight years of ten.

The mean temperature of every May in Pittsburgh, PA since 1875: 58.8°F in 2026; the lowest is 54.2°F, in 1997.

Normal range, 56.7 to 66.2°F

Every year, ranked, as a table

Every May in Pittsburgh, PA from 1871 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	58.8	110	69.3	110	48.3	111	4.30	48	0
2025	60.9	77	70	99	51.7	53	4.10	53	0
2024	66.5	10	76.3	18	56.7	8	5.61	21	0
2023	59.3	103	70.8	86	47.7	120	1.73	138	0
2022	62.8	46	73.1	54	52.5	39	5.03	33	0
2021	58.5	115	68.9	118	48.2	114	3.09	87	0
2020	58.2	118	68.2	124	48.3	111	2.19	121	0
2019	64	23	73.9	37	54.1	24	5.97	9	0
2018	69	3	79.2	5	58.8	2	2.83	93	0
2017	60.6	82	70.2	95	51	64	5.15	31	0
2016	61.2	71	71	81	51.5	58	3.61	70	0
2015	66.1	12	77.4	11	54.8	15	2.72	100	0
2014	62	59	72.4	64	51.6	56	4.32	46	0
2013	62.5	50	73.6	40	51.4	60	2.33	115	0
2012	67	9	78.2	9	55.7	11	4.69	37	0
2011	62.9	43	72.4	64	53.4	28	4.58	40	0
2010	63.6	30	74.5	31	52.6	37	5.19	30	0
2009	61.2	71	71.9	74	50.5	75	3.83	65	0
2008	57	127	67.8	128	46.1	131	3.20	84	0
2007	63.7	28	76.9	14	50.6	71	1.93	130	0
2006	58.8	110	69.1	116	48.4	106	2.96	90	0
2005	56.2	136	67.1	133	45.4	135	4.09	56	0
2004	65.4	14	76.6	16	54.3	21	6.08	8	0
2003	59.1	104	68	126	50.2	80	6.14	7	0
2002	56.7	128	68.3	123	45.1	139	4.70	36	0
2001	60	93	70.8	86	49.2	98	2.11	122	0
2000	62.5	50	73.2	52	51.8	51	5.69	18	0
1999	61	75	73.2	52	48.8	101	4.12	52	0
1998	64.4	22	74.3	33	54.5	17	2.39	113	0
1997	54.2	147	64.6	148	43.9	144	6.33	5	0
1996	60	93	69.7	103	50.2	80	2.95	91	0
1995	60.4	86	70.7	90	50	83	3.72	69	0
1994	56.7	128	68.1	125	45.3	136	2.54	109	0
1993	61.8	64	73.1	54	50.6	71	2.85	92	0
1992	59.1	104	70.5	93	47.7	120	2.31	117	0
1991	68.7	5	80	2	57.4	5	3.29	79	0
1990	57.7	124	67	134	48.3	111	6.19	6	0
1989	58	120	66.5	141	49.4	93	6.56	1	0
1988	61.4	69	73.3	48	49.4	93	2.78	97	0
1987	63	40	75.1	26	50.9	66	2.41	112	0
1986	62	59	72.3	68	51.7	53	1.67	139	0
1985	60.5	84	72.3	68	48.8	101	5.80	14	0
1984	55.3	142	65.6	145	45	140	5.22	28	0
1983	55.8	139	66.8	137	44.8	141	5.24	27	0
1982	64.6	19	76.8	15	52.5	39	3.98	59	0
1981	58.4	117	69.8	102	46.9	128	2.04	126	0
1980	60.2	88	70.9	83	49.6	88	4.32	46	0
1979	59	106	69.7	103	48.4	106	4.49	43	0
1978	60.2	88	70.1	97	50.3	77	4.26	49	0
1977	63	40	75.9	20	50	83	2.57	107	0
1976	55.6	140	66.4	142	44.8	141	1.99	127	0
1975	62.9	43	73.6	40	52.3	43	1.84	134	0
1974	58.2	118	68.4	121	48.1	117	5.35	25	0
1973	56.4	132	65.4	146	47.3	126	5.87	12	0
1972	61.8	64	72.5	59	51	64	1.38	146	0
1971	56.6	130	68	126	45.2	137	3.87	62	0
1970	63.9	26	75.8	21	51.9	47	4.36	45	0
1969	60.2	88	72.9	56	47.4	124	1.89	131	0
1968	54.7	144	64.2	149	45.2	137	6.36	4	0
1967	54.3	146	64.8	147	43.8	145	5.21	29	0
1966	56	138	67.7	130	44.4	143	2.76	98	0
1965	65.9	13	77.3	13	54.5	17	1.21	149	0
1964	62.6	49	74.2	35	51.1	62	1.77	136	0
1963	56.5	131	69.2	115	43.8	145	1.57	142	0
1962	65.2	15	77.5	10	53	31	1.87	133	0
1961	55.2	143	66.9	135	43.5	147	2.80	94	0
1960	57.5	125	67.2	132	47.8	119	5.62	20	0
1959	63.8	27	74.8	29	52.9	35	2.56	108	0
1958	58.6	113	69.4	109	47.7	120	4.82	35	0
1957	60.9	77	71.9	74	49.9	86	2.73	99	0
1956	58.5	115	69.3	110	47.6	123	5.90	10	0
1955	62.1	58	73.3	48	50.8	69	2.59	105	0
1954	56.2	136	66.9	135	45.5	134	1.88	132	0
1953	62.7	48	73.6	40	51.9	47	5.89	11	0
1952	59	106	68.4	121	49.6	88	5.35	25	0
1951	62.2	56	72.6	58	51.8	51	2.06	125	0
1950	62.2	56	72.5	59	51.9	47	4.61	39	0
1949	62.5	50	73.8	39	51.3	61	2.26	119	0
1948	59.8	96	70.5	93	49	99	3.17	85	0
1947	58.6	113	69.1	116	48.2	114	3.78	66	0
1946	59.9	95	69.5	108	50.3	77	4.10	53	0
1945	56.4	132	66.7	139	46	132	5.06	32	0
1944	69	3	79.8	3	58.2	3	2.97	89	0
1943	61.1	73	70.6	91	51.6	56	5.63	19	0
1942	62.9	43	73.4	46	52.5	39	4.41	44	0
1941	62	59	73.9	37	50.1	82	3.52	71	0
1940	59.4	102	69.9	101	49	99	4.14	50	0
1939	64	23	75.6	22	52.3	43	1.48	145	0
1938	60.4	86	70.8	86	50	83	4.10	53	0
1937	61.5	68	72.3	68	50.6	71	2.21	120	0
1936	63.6	30	75	28	52.2	46	1.01	153	0
1935	58.8	110	69.3	110	48.4	106	4.07	57	0
1934	64.5	20	76	19	53.1	30	0.66	155	0
1933	63.5	32	72.2	73	54.8	15	6.55	2	0
1932	61.7	66	72.4	64	50.9	66	3.03	88	0
1931	60.8	80	71	81	50.5	75	5.46	22	0
1930	63	40	72.9	56	53.2	29	1.95	129	0
1929	59.5	101	69.3	110	49.7	87	5.38	23	0
1928	59	106	69.3	110	48.6	104	1.09	151	0
1927	60.1	91	68.5	120	51.7	53	3.74	68	0
1926	60.9	77	72.3	68	49.5	90	2.10	123	0
1925	56.3	135	66.8	137	45.7	133	3.42	75	0
1924	55.5	141	63.5	150	47.4	124	4.54	41	0
1923	60.1	91	71.6	80	48.6	104	3.34	78	0
1922	65	16	74.5	31	55.4	13	2.59	105	0
1921	62.3	54	71.7	77	53	31	2.49	110	0
1920	59.6	98	69.6	107	49.5	90	1.03	152	0
1919	60.7	81	70	99	51.5	58	4.89	34	0
1918	67.6	7	77.4	11	57.8	4	3.89	61	0
1917	54.6	145	62.9	151	46.4	130	2.65	103	0
1916	63.2	37	72.3	68	54.2	22	2.33	115	0
1915	58	120	66.7	139	49.3	96	3.84	63	0
1914	62.8	46	73.4	46	52.3	43	2.64	104	0
1913	60.6	82	70.6	91	50.6	71	3.11	86	0
1912	63.7	28	73.3	48	54.2	22	1.56	143	0
1911	68	6	78.7	7	57.2	6	0.42	156	0
1910	57.9	123	66.4	142	49.3	96	3.24	82	0
1909	60.5	84	70.1	97	50.9	66	1.51	144	0
1908	63.4	34	71.7	77	55.1	14	3.84	63	0
1907	56.4	132	65.8	144	46.9	128	1.79	135	0
1906	62.3	54	71.7	77	52.8	36	2.08	124	0
1905	63.5	32	73.3	48	53.7	27	2.79	95	0
1904	64	23	73.6	40	54.4	20	3.48	73	0
1903	66.5	10	76.4	17	56.5	9	1.67	139	0
1902	64.5	20	75.2	25	53.8	26	2.30	118	0
1901	61.9	63	70.9	83	53	31	5.80	14	0
1900	64.8	18	75.6	22	54	25	1.34	147	0
1899	64.9	17	73.5	45	56.4	10	3.26	80	0
1898	63.2	37	71.9	74	54.5	17	3.99	58	0
1897	58	120	67.8	128	48.2	114	2.70	101	0
1896	69.2	2	78.8	6	59.6	1	3.91	60	0
1895	63.3	35	73.6	40	53	31	1.97	128	0
1894	61.6	67	72.4	64	50.8	69	4.63	38	0
1893	59.6	98	69.7	103	49.5	90	4.50	42	0
1892	61.1	73	69.7	103	52.5	39	3.77	67	0
1891	58.9	109	68.9	118	48.8	101	3.23	83	0
1890							5.85	13	4
1889			72.5	59			6.45	3	5
1888			70.9	83			4.13	51	4
1887			79.4	4			5.78	17	4
1886			74.3	33			3.51	72	5
1885	62.5	50	72.5	59	52.6	37	3.26	80	0
1884	63.2	37	74.8	29	51.9	47	3.48	73	1
1883	61.4	69	72.5	59	50.3	77	5.38	23	0
1882	57.3	126	67.5	131	47	127	5.80	14	1
1881	67.1	8	78.6	8	55.7	11	2.34	114	0
1880	69.5	1	81.8	1	57.2	6	1.25	148	0
1879	63.3	35	75.6	22	51.1	62	1.20	150	0
1878	59.8	96	70.2	95	49.4	93	1.76	137	1
1877	59.6	98	70.8	86	48.4	106	1.66	141	0
1876	61	75	74.1	36	47.9	118	3.35	77	0
1875	62	59	75.1	26	48.4	106	2.79	95	1
1874							2.43	111	31
1873							3.42	75	31
1872							2.66	102	31
1871							0.98	154	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1880	69.5
1896	69.2
2018	69
1944	69
1991	68.7
1911	68
1918	67.6
1881	67.1
2012	67
2024	66.5
More years share the last value

Coldest
Year	Mean, °F
1997	54.2
1967	54.3
1917	54.6
1968	54.7
1961	55.2
1984	55.3
1924	55.5
1976	55.6
1983	55.8
1966	56

Wettest
Year	Precipitation, in
1989	6.56
1933	6.55
1889	6.45
1968	6.36
1997	6.33
1990	6.19
2003	6.14
2004	6.08
2019	5.97
1956	5.90

Driest
Year	Precipitation, in
1911	0.42
1934	0.66
1871	0.98
1936	1.01
1920	1.03
1928	1.09
1879	1.20
1965	1.21
1880	1.25
1900	1.34

The hottest, coldest and wettest days

Hottest day: 89°F; 18 May 2026
Coldest night: 32°F; 2 May 2026
Wettest day: 1.50 in; 24 May 2026

Every month, season and year

Months

Seasons

Years

Pittsburgh, PA the day's answers

All-time records

Every answer in words

May 2026 brought 4.30 in of precipitation in Pittsburgh, PA, the wettest May since 2024, 48th wettest of 156.
The hottest day of May 2026 in Pittsburgh, PA: 89°F on Monday 18 May 2026.
The coldest night of May 2026 in Pittsburgh, PA: a low of 32°F on Saturday 2 May 2026.
The wettest day of May 2026 in Pittsburgh, PA: 1.50 in on Sunday 24 May 2026.