Boise, ID: April

30 April 2026: April 2026 averaged 51.4°F in Boise, ID, the warmest April since 2025, tied 51st warmest of 149 (with 1932 and 1916).

April 2026

Mean temperature: 51.4°F; Warmest since 2025; 51st warmest of 149
Precipitation: 3.87 in; Wettest on record; Wettest of 149, provisional

A normal April in Boise, ID (1991 to 2020): a mean temperature of 50.5°F, between 48°F and 54.3°F in eight years of ten and 1.14 in of precipitation, between 0.61 in and 2.02 in in eight years of ten.

The mean temperature of every April in Boise, ID since 1878: 51.4°F in 2026; the highest is 57.7°F, in 1934.

Normal range, 48 to 54.3°F

Every year, ranked, as a table

Every April in Boise, ID from 1875 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	51.4	51	62.9	60	39.8	35	3.87	1	0
2025	52.2	36	64.6	39	39.8	35	0.43	132	0
2024	51.7	46	63.7	53	39.8	35	2.37	10	0
2023	49.6	83	61.4	83	37.8	79	0.61	117	0
2022	46.7	128	58.1	130	35.3	130	1.15	71	0
2021	51.8	42	64.7	38	38.9	55	0.96	88	0
2020	52.2	36	64.8	37	39.6	40	1.12	74	0
2019	53	23	63	58	43	6	1.99	20	0
2018	52.4	30	63.9	47	40.8	21	0.99	87	0
2017	49.4	84	59.5	112	39.3	47	2.01	19	0
2016	56.5	3	69	8	43.9	2	0.69	109	0
2015	51.2	54	63.9	47	38.4	67	0.60	121	0
2014	50.5	64	62.2	69	38.7	60	2.15	14	0
2013	49.9	75	62.1	71	37.7	81	0.95	89	0
2012	54.7	11	66.3	26	43	6	2.08	17	0
2011	46.2	134	56.5	143	36	122	1.53	42	0
2010	48.8	98	60.1	101	37.5	90	1.58	39	0
2009	50.6	60	62.1	71	39	52	0.69	109	0
2008	46.6	130	58.5	125	34.7	136	0.25	142	0
2007	51.7	46	63.7	53	39.7	38	1.08	81	0
2006	51.7	46	62.1	71	41.3	15	1.83	26	0
2005	50.5	64	62	77	38.9	55	1.15	71	0
2004	53.8	18	66.7	23	40.9	18	0.36	137	0
2003	49.4	84	59.1	117	39.6	40	1.39	54	0
2002	50.5	64	62.1	71	38.8	59	0.83	98	0
2001	48.1	114	59.2	115	36.9	103	1.20	68	0
2000	54.3	13	67	21	41.6	14	1.01	86	0
1999	47.5	121	59.7	108	35.3	130	0.61	117	0
1998	49.8	79	61.2	86	38.5	64	0.81	99	0
1997	48.9	95	60.1	101	37.7	81	1.89	24	0
1996	49.9	75	60.9	90	39	52	1.47	50	0
1995	48.2	111	59.7	108	36.6	112	1.03	84	0
1994	52.6	27	65.2	33	40	30	1.25	66	0
1993	48.1	114	58.6	122	37.6	86	2.09	16	0
1992	54.8	10	68.6	9	41.1	16	0.66	113	0
1991	48.3	107	60	104	36.6	112	1.65	31	0
1990	54.7	11	68.4	10	41	17	2.14	15	0
1989	53.1	22	66.7	23	39.4	45	0.46	128	0
1988	52.7	26	65.9	29	39.5	44	1.80	27	0
1987	56	4	72.2	1	39.7	38	0.38	136	0
1986	48.3	107	60.5	94	36.1	117	1.55	41	0
1985	51.6	49	65	36	38.1	75	0.90	95	0
1984	45.9	139	56	144	35.8	124	1.62	34	0
1983	47	125	58	133	36.1	117	2.29	13	0
1982	45.2	143	57.8	134	32.6	146	0.79	101	0
1981	50.3	69	62.3	68	38.3	70	1.93	23	0
1980	52.6	27	65.2	33	39.9	34	1.20	68	0
1979	48.7	100	60.4	95	36.9	103	1.60	36	0
1978	48.5	103	58.6	122	38.4	67	2.34	11	0
1977	54.1	14	69.2	6	38.9	55	0.19	144	0
1976	47.3	124	59.2	115	35.4	128	1.60	36	0
1975	44.5	145	53.9	152	35.1	132	1.53	42	0
1974	49.7	82	61.3	84	38.1	75	0.67	112	0
1973	49.1	90	61.2	86	37	101	1.49	49	0
1972	46.7	128	58.3	127	35	133	0.62	116	0
1971	49.2	88	60.7	93	37.7	81	0.40	135	0
1970	43.8	148	54.3	150	33.3	145	0.93	92	0
1969	50.5	64	63.6	55	37.4	92	1.35	57	0
1968	46.3	133	60.2	100	32.4	147	0.35	139	0
1967	43.8	148	54.3	150	33.4	143	1.47	50	0
1966	49.2	88	62.7	62	35.6	127	0.61	117	0
1965	50.2	70	61	89	39.4	45	2.81	7	0
1964	45.3	142	58.2	128	32.4	147	1.35	57	0
1963	48.2	111	59.1	117	37.4	92	1.65	31	0
1962	52.4	30	67.1	18	37.6	86	0.92	94	0
1961	48.1	114	61.7	81	34.5	139	0.22	143	0
1960	49	92	62.1	71	35.8	124	0.43	132	0
1959	50.7	59	63.9	47	37.4	92	0.19	144	0
1958	47.8	120	57.7	138	37.8	79	1.94	22	0
1957	48.7	100	59.9	107	37.5	90	1.15	71	0
1956	50.5	64	64	46	37.1	99	1.62	34	0
1955	44	147	54.6	149	33.4	143	3.04	4	0
1954	49.9	75	63	58	36.7	108	0.42	134	0
1953	46.1	136	58.1	130	34.1	141	1.52	44	0
1952	52.5	29	66.2	27	38.7	60	1.08	81	0
1951	50.6	60	64.6	39	36.7	108	0.94	91	0
1950	47.5	121	59.7	108	35.4	128	0.55	123	0
1949	53.4	20	68.3	12	38.5	64	0.09	148	0
1948	48.1	114	59.1	117	37	101	1.37	56	0
1947	49.4	84	62	77	36.7	108	0.52	125	0
1946	51.9	39	65.8	31	37.9	78	0.35	139	0
1945	46	138	58.4	126	33.7	142	0.47	127	0
1944	48.9	95	60.1	101	37.7	81	2.92	5	0
1943	54	17	67.1	18	40.9	18	1.39	54	0
1942	51.8	42	63.6	55	40	30	1.28	63	0
1941	50.1	72	62	77	38.2	72	1.35	57	0
1940	50.1	72	61.1	88	39	52	1.80	27	0
1939	53.7	19	66.9	22	40.4	26	0.36	137	0
1938	51.8	42	62.9	60	40.7	22	1.09	78	0
1937	48.3	107	58.9	121	37.6	86	1.50	46	0
1936	54.1	14	65.9	29	42.3	10	0.70	107	0
1935	48.9	95	59.4	113	38.3	70	2.88	6	0
1934	57.7	1	71.4	2	43.9	2	0.46	128	0
1933	48.6	102	60.4	95	36.7	108	0.74	106	0
1932	51.4	51	62.6	64	40.2	28	1.75	29	0
1931	50.6	60	62.7	62	38.4	67	0.78	103	0
1930	55.5	8	67.9	14	43.1	5	2.04	18	0
1929	46.9	127	56.8	141	36.9	103	1.28	63	0
1928	47.9	119	58.1	130	37.7	81	0.79	101	0
1927	48.4	105	59.3	114	37.4	92	0.64	115	0
1926	56.6	2	69.2	6	44	1	1.09	78	0
1925	52.4	30	64.3	43	40.5	24	0.87	97	0
1924	49.8	79	62.4	66	37.2	97	0.54	124	0
1923	49.4	84	60	104	38.7	60	1.09	78	0
1922	45	144	55.4	147	34.5	139	1.51	45	0
1921	47	125	57.8	134	36.1	117	0.93	92	0
1920	45.5	140	56	144	34.9	135	1.32	61	0
1919	51.9	39	64.1	45	39.6	40	1.18	70	0
1918	48.8	98	61.5	82	36	122	0.65	114	0
1917	46.4	131	55.6	146	37.1	99	3.13	3	0
1916	51.4	51	63.9	47	38.9	55	0.80	100	0
1915	55.4	9	67.7	16	43	6	1.05	83	0
1914	51.2	54	62	77	40.5	24	1.63	33	0
1913	50.6	60	60.9	90	40.3	27	0.95	89	0
1912	48.3	107	57.8	134	38.7	60	3.34	2	0
1911	47.4	123	58.2	128	36.5	114	1.59	38	0
1910	55.9	5	68.4	10	43.4	4	1.10	76	0
1909	46.2	134	57.8	134	34.6	137	0.15	146	0
1908	51.9	39	64.5	41	39.2	49	0.28	141	0
1907	49.8	79	60.4	95	39.2	49	1.02	85	0
1906	52.3	33	63.8	52	40.7	22	1.40	53	0
1905	51.8	42	63.5	57	40	30	0.88	96	0
1904	52.1	38	64.2	44	40.1	29	1.32	61	0
1903	49	92	60.4	95	37.6	86	0.69	109	0
1902	50.1	72	60.8	92	39.3	47	0.77	104	0
1901	48.2	111	60.3	99	36.1	117	1.12	74	0
1900	51	56	62.4	66	39.6	40	1.96	21	0
1899	48.4	105	60	104	36.8	106	1.50	46	0
1898	53	23	67.8	15	38.2	72	0.70	107	0
1897	49.9	75	62.5	65	37.2	97	1.10	76	0
1896	45.5	140	55.2	148	35.7	126	2.72	8	0
1895	52.3	33	68.3	12	36.3	115	0.59	122	0
1894	51	56	65.8	31	36.1	117	1.26	65	0
1893	46.4	131	56.6	142	36.2	116	1.86	25	0
1892	46.1	136	57.6	139	34.6	137	1.25	66	0
1891	51.5	50	63.9	47	39.2	49	0.44	131	0
1890	50.8	58	66.6	25	35	133	0.48	126	0
1889	55.9	5	69.8	5	41.9	13	1.72	30	0
1888	55.6	7	71.2	3	40	30	0.12	147	0
1887	49.1	90	61.3	84	36.8	106	1.57	40	0
1886	48	118	58.6	122	37.3	96	2.43	9	0
1885	53	23	65.2	33	40.9	18	0.09	148	0
1884	52.3	33	62.1	71	42.5	9	0.77	104	0
1883	44.3	146	57	140	31.6	149	0.61	117	0
1882	48.5	103	59.1	117	38	77	2.33	12	0
1881	54.1	14	66	28	42.3	10	1.34	60	0
1880	49	92	59.6	111	38.5	64	1.50	46	0
1879	53.4	20	64.5	41	42.3	10	1.42	52	0
1878	50.2	70	62.2	69	38.2	72	0.46	128	0
1877			67.3	17					30
1876			67.1	18					30
1875			70.8	4					30

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1934	57.7
1926	56.6
2016	56.5
1987	56
1910	55.9
1889	55.9
1888	55.6
1930	55.5
1915	55.4
1992	54.8

Coldest
Year	Mean, °F
1970	43.8
1967	43.8
1955	44
1883	44.3
1975	44.5
1922	45
1982	45.2
1964	45.3
1920	45.5
1896	45.5

Wettest
Year	Precipitation, in
2026	3.87
1912	3.34
1917	3.13
1955	3.04
1944	2.92
1935	2.88
1965	2.81
1896	2.72
1886	2.43
2024	2.37

Driest
Year	Precipitation, in
1949	0.09
1885	0.09
1888	0.12
1909	0.15
1977	0.19
1959	0.19
1961	0.22
2008	0.25
1908	0.28
1968	0.35
More years share the last value

The hottest, coldest and wettest days

Hottest day: 82°F; 21 April 2026
Coldest night: 29°F; 17 April 2026
Wettest day: 0.87 in; 22 April 2026

Every month, season and year

Months

Seasons

Years

Boise, ID the day's answers

All-time records

Every answer in words

April 2026 brought 3.87 in of precipitation in Boise, ID, the wettest April on record, in 149 years since 1878; provisional.
The hottest day of April 2026 in Boise, ID: 82°F on Tuesday 21 April 2026.
The coldest night of April 2026 in Boise, ID: a low of 29°F on Friday 17 April 2026.
The wettest day of April 2026 in Boise, ID: 0.87 in on Wednesday 22 April 2026.