Philadelphia, PA: May

31 May 2026: May 2026 averaged 65.6°F in Philadelphia, PA, the warmest May since 2024, tied 35th warmest of 153 (with 1903).

May 2026

Mean temperature: 65.6°F; Warmest since 2024; 35th warmest of 153
Precipitation: 2.77 in; Driest since 2024; 63rd driest of 155

A normal May in Philadelphia, PA (1991 to 2020): a mean temperature of 64.6°F, between 60.5°F and 68.3°F in eight years of ten and 3.14 in of precipitation, between 1.90 in and 5.21 in in eight years of ten.

The mean temperature of every May in Philadelphia, PA since 1874: 65.6°F in 2026; the highest is 70.8°F, in 1991.

Normal range, 60.5 to 68.3°F

Every year, ranked, as a table

Every May in Philadelphia, PA from 1872 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	65.6	35	75	45	56.2	28	2.77	93	0
2025	65.3	40	73.8	63	56.7	19	6.22	12	0
2024	66.5	18	75.3	37	57.8	9	1.72	131	0
2023	62.4	96	73.3	69	51.4	134	0.24	155	0
2022	67.5	9	76.8	19	58.1	5	4.16	47	0
2021	64.1	59	74.3	54	53.9	72	3.24	81	0
2020	61.4	114	70.8	114	52	121	2.20	116	0
2019	66.4	22	75.1	41	57.7	12	5.22	22	0
2018	67.7	8	77.5	11	57.9	7	5.21	23	0
2017	63.1	82	71.6	100	54.6	54	6.33	11	0
2016	63	83	71.1	108	54.8	50	6.65	10	0
2015	70.1	2	80.9	2	59.3	2	1.19	142	0
2014	65.4	39	74.8	48	56	29	2.91	91	0
2013	64.8	48	74.1	56	55.4	37	2.33	108	0
2012	68.2	5	77.2	14	59.2	3	3.35	76	0
2011	67.4	11	77	15	57.8	9	1.91	123	0
2010	67.5	9	76.9	16	58	6	2.53	103	0
2009	65	44	74.1	56	55.9	32	4.84	32	0
2008	61.2	120	70.9	112	51.4	134	4.55	35	0
2007	66.1	29	76.9	16	55.2	45	2.68	98	0
2006	64.5	53	74.8	48	54.3	59	2.16	118	0
2005	59.6	144	69.6	131	49.6	145	1.27	137	0
2004	69.2	3	78.6	6	59.9	1	3.62	69	0
2003	60.5	134	68.2	148	52.9	93	4.17	46	0
2002	63.3	77	73.7	65	52.9	93	3.57	70	0
2001	64.7	49	74.3	54	55	49	3.99	55	0
2000	64.1	59	73.9	61	54.4	57	3.03	86	0
1999	63.9	66	73.8	63	54.1	68	3.70	64	0
1998	66.2	28	75.8	32	56.6	23	3.87	59	0
1997	59.4	146	69.4	136	49.5	146	2.32	109	0
1996	60.5	134	69.4	136	51.7	127	3.25	79	0
1995	64.3	57	73.7	65	54.8	50	2.67	99	0
1994	62.5	91	73.2	71	51.7	127	3.66	66	0
1993	66.4	22	76.8	19	55.9	32	2.42	105	0
1992	62.5	91	72.8	79	52.2	114	2.74	96	0
1991	70.8	1	82.7	1	58.8	4	1.82	128	0
1990	61.3	116	70.7	116	51.9	122	6.08	13	0
1989	62.4	96	72.6	85	52.2	114	6.76	9	0
1988	63.6	68	73.9	61	53.3	84	3.67	65	0
1987	63.9	66	74.6	50	53.2	89	3.15	84	0
1986	66.7	17	78.3	9	55.2	45	0.70	150	0
1985	64.5	53	75	45	53.9	72	4.99	27	0
1984	60.2	139	69.6	131	50.8	140	6.87	6	0
1983	62	105	71.5	101	52.6	101	7.03	4	0
1982	65.9	32	75.3	37	56.4	26	4.47	39	0
1981	62.5	91	73.2	71	51.9	122	4.53	36	0
1980	65.3	40	76	31	54.7	53	3.22	82	0
1979	66.4	22	75.5	35	57.3	17	3.98	56	0
1978	61.4	114	70.7	116	52.1	117	6.01	14	0
1977	65.8	34	77.4	12	54.2	63	0.70	150	0
1976	62.7	86	72.8	79	52.6	101	4.35	43	0
1975	66.5	18	76.4	23	56.7	19	4.99	27	0
1974	62.4	96	72.5	88	52.3	109	3.21	83	0
1973	60.2	139	69	141	51.5	130	4.14	48	0
1972	63.6	68	73.1	73	54	71	4.11	50	0
1971	60.9	128	69.5	134	52.3	109	4.10	52	0
1970	64.9	47	75.6	34	54.2	63	2.57	102	0
1969	64.6	51	75.1	41	54.1	68	3.30	77	0
1968	59.6	144	69.4	136	49.9	142	5.17	24	0
1967	55.9	153	65.5	151	46.3	153	3.49	71	0
1966	59.4	146	69.9	127	49	150	2.95	89	0
1965	65.5	37	76.4	23	54.6	54	1.23	138	0
1964	65	44	76.4	23	53.7	76	0.47	154	0
1963	60.2	139	72.2	93	48.2	152	1.06	144	0
1962	64.1	59	75.1	41	53.1	92	1.85	127	0
1961	58.5	149	68.5	145	48.6	151	3.38	75	0
1960	61.2	120	71.5	101	50.9	139	3.65	67	0
1959	66.3	26	77.3	13	55.4	37	0.80	149	0
1958	61.2	120	70.8	114	51.5	130	3.65	67	0
1957	63.4	75	74.5	52	52.4	108	1.21	141	0
1956	60.9	128	71.8	97	49.9	142	3.84	61	0
1955	66	31	76.7	21	55.4	37	0.91	147	0
1954	61.1	124	70.2	123	52.1	117	2.40	106	0
1953	65.3	40	74.6	50	56	29	5.85	16	0
1952	61.7	109	71.5	101	51.9	122	4.85	31	0
1951	63.6	68	74.5	52	52.6	101	4.00	54	0
1950	61	125	70.2	123	51.7	127	3.89	58	0
1949	64.4	55	75	45	53.8	74	5.91	15	0
1948	61.9	107	71.4	105	52.5	106	7.40	2	0
1947	62.1	104	72.7	83	51.4	134	7.22	3	0
1946	64	64	72.6	85	55.4	37	5.85	16	0
1945	60.2	139	70.3	121	50.2	141	3.85	60	0
1944	67.4	11	78.8	4	56	29	2.25	114	0
1943	63.3	77	73.3	69	53.3	84	5.63	19	0
1942	67	15	78.8	4	55.3	43	1.87	126	0
1941	65	44	78.6	6	51.4	134	1.01	145	0
1940	62.4	96	71	111	53.8	74	4.89	30	0
1939	66.5	18	76.3	26	56.6	23	1.91	123	0
1938	61.5	112	69.5	134	53.5	80	2.86	92	0
1937	65.3	40	75.2	39	55.4	37	2.62	101	0
1936	65.9	32	76.2	28	55.5	35	1.67	134	0
1935	60.6	132	69	141	52.3	109	2.21	115	0
1934	66.1	29	75.5	35	56.7	19	3.92	57	0
1933	66.3	26	75.1	41	57.5	15	6.93	5	0
1932	63.4	75	72.3	89	54.5	56	3.81	62	0
1931	64.2	58	73	75	55.4	37	4.44	41	0
1930	66.4	22	76.1	30	56.7	19	3.25	79	0
1929	62.7	86	72.2	93	53.3	84	2.28	112	0
1928	62.4	96	71.1	108	53.7	76	2.19	117	0
1927	61.6	110	70	126	53.3	84	1.75	129	0
1926	63	83	72.8	79	53.2	89	2.31	110	0
1925	61.6	110	71.2	106	52.1	117	2.36	107	0
1924	59.2	148	66.9	149	51.5	130	4.91	29	0
1923	62.6	90	72.9	78	52.3	109	1.23	138	0
1922	66.5	18	76.3	26	56.6	23	2.47	104	0
1921	62.4	96	71.2	106	53.6	79	3.42	73	0
1920	60.3	137	69.2	140	51.5	130	2.15	119	0
1919	64	64	72.6	85	55.3	43	4.53	36	0
1918	67.3	13	76.9	16	57.6	13	6.81	8	0
1917	57.1	151	65.1	152	49.2	148	2.96	87	0
1916	64.7	49	73	75	56.4	26	2.75	94	0
1915	60.9	128	68.9	144	52.9	93	4.12	49	0
1914	66.8	16	76.2	28	57.4	16	0.90	148	0
1913	63.6	68	73.1	73	54.2	63	4.63	34	0
1912	64.4	55	74	59	54.8	50	5.38	21	0
1911	67.9	7	78.6	6	57.2	18	1.68	133	0
1910	62.3	102	70.5	119	54.1	68	2.13	120	0
1909	63.2	81	72.3	89	54.2	63	2.67	99	0
1908	63.6	68	72.1	95	55.1	48	6.85	7	0
1907	57.6	150	65.9	150	49.3	147	5.61	20	0
1906	64.1	59	73.7	65	54.4	57	4.43	42	0
1905	63.5	74	72.7	83	54.3	59	1.41	135	0
1904	65.5	37	75.2	39	55.8	34	2.08	121	0
1903	65.6	35	75.7	33	55.5	35	0.93	146	0
1902	62.5	91	72.3	89	52.8	98	2.01	122	0
1901	60.5	134	68.5	145	52.5	106	4.05	53	0
1900	63	83	73.5	68	52.6	101	4.11	50	0
1899	63.3	77	72.8	79	53.7	76	2.30	111	0
1898	61.2	120	69.7	130	52.6	101	4.84	32	0
1897	62.7	86	71.8	97	53.5	80	4.33	44	0
1896	67.2	14	76.7	21	57.6	13	2.27	113	0
1895	62.2	103	71.5	101	52.9	93	1.72	131	0
1894	63.6	68	73	75	54.3	59	9.46	1	0
1893	61	125	69.6	131	52.3	109	2.92	90	0
1892	61.9	107	71.1	108	52.7	100	5.12	25	0
1891	61	125	70.1	125	51.8	125	1.74	130	0
1890	62.7	86	72.1	95	53.4	83	2.96	87	0
1889	64.6	51	74.1	56	55.2	45	4.32	45	0
1888	61.3	116	69	141	53.5	80	3.46	72	0
1887	68.1	6	78.2	10	57.9	7	0.62	152	0
1886	61.5	112	70.3	121	52.8	98	4.50	38	0
1885	60.3	137	69.4	136	51.2	138	3.76	63	0
1884	62	105	70.9	112	53.2	89	3.39	74	0
1883	62.5	91	71.8	97	53.3	84	1.91	123	0
1882	57.1	151	65	153	49.1	149	5.06	26	0
1881	64.1	59	74	59	54.2	63	2.71	97	0
1880	68.6	4	79.4	3	57.8	9	0.54	153	0
1879	63.3	77	72.3	89	54.3	59	1.22	140	0
1878	60.6	132	68.4	147	52.9	93	3.29	78	0
1877	61.3	116	70.4	120	52.2	114	1.10	143	0
1876	60.8	131	69.8	128	51.8	125	4.45	40	0
1875	61.3	116	70.6	118	52.1	117	1.36	136	0
1874	59.9	143	69.8	128	49.9	142	2.75	94	0
1873							5.83	18	31
1872							3.15	84	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1991	70.8
2015	70.1
2004	69.2
1880	68.6
2012	68.2
1887	68.1
1911	67.9
2018	67.7
2022	67.5
2010	67.5

Coldest
Year	Mean, °F
1967	55.9
1917	57.1
1882	57.1
1907	57.6
1961	58.5
1924	59.2
1997	59.4
1966	59.4
2005	59.6
1968	59.6

Wettest
Year	Precipitation, in
1894	9.46
1948	7.40
1947	7.22
1983	7.03
1933	6.93
1984	6.87
1908	6.85
1918	6.81
1989	6.76
2016	6.65

Driest
Year	Precipitation, in
2023	0.24
1964	0.47
1880	0.54
1887	0.62
1986	0.70
1977	0.70
1959	0.80
1914	0.90
1955	0.91
1903	0.93

The hottest, coldest and wettest days

Hottest day: 98°F; 19 May 2026
Coldest night: 47°F; 12 May 2026, 3 May 2026, 1 May 2026
Wettest day: 0.86 in; 24 May 2026

Every month, season and year

Months

Seasons

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Philadelphia, PA the day's answers

All-time records

Every answer in words

May 2026 brought 2.77 in of precipitation in Philadelphia, PA, the driest May since 2024, 63rd driest of 155.
The hottest day of May 2026 in Philadelphia, PA: 98°F on Tuesday 19 May 2026.
The coldest night of May 2026 in Philadelphia, PA: a low of 47°F on Tuesday 12 May 2026, Sunday 3 May 2026 and Friday 1 May 2026.
The wettest day of May 2026 in Philadelphia, PA: 0.86 in on Sunday 24 May 2026.