Alamosa, CO: May

31 May 2026: May 2026 averaged 51.9°F in Alamosa, CO, the warmest May since 2023, tied 31st warmest of 97 (with 1948).

May 2026

Mean temperature: 51.9°F; Warmest since 2023; 31st warmest of 97
Precipitation: 0.28 in; Driest since 2020; 30th driest of 97

A normal May in Alamosa, CO (1991 to 2020): a mean temperature of 51.4°F, between 49°F and 54.3°F in eight years of ten and 0.47 in of precipitation, between 0.04 in and 1.18 in in eight years of ten.

The mean temperature of every May in Alamosa, CO since 1906: 51.9°F in 2026; the highest is 56°F, in 2020.

Normal range, 49 to 54.3°F

Every year, ranked, as a table

Every May in Alamosa, CO from 1906 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	51.9	31	71.6	18	32.2	67	0.28	68	0
2025	50.5	58	68.4	51	32.6	60	2.04	2	0
2024	50.4	60	68.3	53	32.5	62	1.70	7	0
2023	52.9	19	69.9	37	35.8	11	0.86	37	0
2022	53.3	14	73.4	9	33.3	42	0.39	60	0
2021	52.1	29	71.2	25	33.1	47	1.79	4	0
2020	56	1	75.7	2	36.3	6	0.23	70	0
2019	47.5	88	64.2	90	30.9	83	0.93	33	0
2018	54.2	6	75	3	33.5	41	0.14	81	0
2017	50.4	60	68	58	32.7	59	1.24	12	0
2016	50.4	60	66.9	68	33.9	36	1.12	21	0
2015	49.8	70	64.9	86	34.7	20	1.77	6	0
2014	50.6	55	69.2	41	32	68	0.23	70	0
2013	49	79	69.2	41	28.7	97	0.18	74	0
2012	53.6	11	73.2	10	34	32	0.88	35	0
2011	48.6	82	68	58	29.3	94	0.18	74	0
2010	50.8	48	69.3	40	32.3	65	0.09	87	0
2009	55.1	4	71.8	16	38.4	1	1.17	18	0
2008	49.1	75	68	58	30.2	89	0.43	58	0
2007	51.7	33	68.1	57	35.4	14	0.53	51	0
2006	53.9	8	73.8	6	34	32	0.18	74	0
2005	52.8	23	71.1	26	34.5	24	0.38	61	0
2004	52.5	25	73.1	11	31.8	73	0.01	94	0
2003	52.4	26	72.5	13	32.3	65	0.11	84	0
2002	51.2	46	72.3	14	30.1	90	0.04	90	0
2001	54	7	71.6	18	36.5	4	1.09	23	0
2000	53.9	8	74.1	4	33.6	39	0.10	85	0
1999	49.2	73	65.5	81	33	51	1.07	24	0
1998	51	47	71.5	20	30.5	86	0.01	94	0
1997	50.6	55	67.8	62	33.3	42	0.51	52	0
1996	55.2	2	76	1	34.4	26	0.03	92	0
1995	47.5	88	63.4	93	31.5	77	0.63	48	0
1994	52.3	28	68.6	49	35.9	9	1.78	5	0
1993	50.8	48	66.7	71	34.8	17	0.93	33	0
1992	53.5	12	69.5	38	37.4	2	1.13	20	0
1991	51.5	38	70.1	35	33	51	0.66	46	0
1990	49.3	72	67.1	66	31.5	77	0.78	39	0
1989	53.3	14	73.5	8	33.1	47	0.12	83	0
1988	50.1	67	68.2	56	32	68	0.51	52	0
1987	50.7	52	66.9	68	34.5	24	1.00	29	0
1986	50.4	60	68	58	32.9	54	0.74	43	0
1985	51.4	40	67.6	64	35.1	15	0.37	63	0
1984	55.2	2	74	5	36.4	5	0.18	74	0
1983	46.8	95	63.5	92	30	91	0.87	36	0
1982	48.4	85	66	77	30.9	83	0.57	50	0
1981	50.1	67	66.4	76	33.8	38	0.99	30	0
1980	48.5	84	64	91	32.9	54	1.21	16	0
1979	50.7	52	66.8	70	34.6	23	0.94	31	0
1978	48	87	65	85	31.1	81	1.59	9	0
1977	50.6	55	69.2	41	32	68	0.35	64	0
1976	50.8	48	68.4	51	33.2	46	0.77	42	0
1975	47.4	90	65.5	81	29.3	94	0.01	94	0
1974	53.1	17	73	12	33.3	42	0.09	87	0
1973	50.2	65	66	77	34.4	26	1.85	3	0
1972	49.9	69	69.1	44	30.6	85	0.07	89	0
1971	47.2	91	64.7	89	29.8	92	1.07	24	0
1970	51.4	40	70	36	32.8	57	0.86	37	0
1969	53.1	17	71.5	20	34.8	17	0.49	55	0
1968	48.7	80	65.5	81	31.9	71	0.20	72	0
1967	48.7	80	65.8	79	31.5	77	1.22	15	0
1966	52.4	26	71.3	24	33.6	39	0.30	66	0
1965	49.1	75	64.9	86	33.3	42	0.59	49	0
1964	51.5	38	68.9	47	34	32	0.50	54	0
1963	53.4	13	72	15	34.7	20	0.13	82	0
1962	50.2	65	69.4	39	31	82	0.15	79	0
1961	51.6	35	69.1	44	34.1	30	0.70	45	0
1960	49.2	73	66.7	71	31.6	76	0.15	79	0
1959	50.7	52	67.2	65	34.1	30	1.15	19	0
1958	53.8	10	71.5	20	36.1	7	0.38	61	0
1957	47.1	93	60.3	96	33.9	36	1.64	8	0
1956	53.3	14	71.7	17	34.8	17	0.19	73	0
1955	49.1	75	65.1	84	33.1	47	1.24	12	0
1954	52.9	19	70.2	33	35.6	12	0.78	39	0
1953	46.7	96	62.1	94	31.3	80	1.20	17	0
1952	51.3	43	66.6	74	35.9	9	1.01	28	0
1951	50.8	48	68.7	48	33	51	0.03	92	0
1950	48.4	85	67.8	62	29	96	0.04	90	0
1949	50.4	60	66.5	75	34.4	26	1.02	27	0
1948	51.9	31	68.3	53	35.5	13	0.73	44	0
1947	52.1	29	70.3	31	34	32	1.07	24	0
1946	49.5	71	67.1	66	31.8	73	0.10	85	0
1945	51.4	40	71	27	31.9	71	0.40	59	0
1944	48.6	82	66.7	71	30.4	88	0.47	56	0
1943	51.3	43	70.9	28	31.7	75	0.64	47	0
1942	50.5	58	68.3	53	32.6	60	0.00	97	3
1941	52.8	23	69	46	36.6	3	1.12	21	0
1940	52.9	19	70.8	29	34.9	16	1.26	11	0
1939	52.9	19	71.4	23	34.4	26	0.24	69	0
1938	49.1	75	65.8	79	32.5	62	0.46	57	0
1937	51.6	35	70.3	31	32.8	57	1.23	14	0
1936	51.7	33	70.4	30	33.1	47	0.16	78	0
1935	46.9	94	60.9	95	32.9	54	2.97	1	0
1934	54.9	5	73.7	7	36.1	7	0.94	31	0
1933	47.2	91	64.8	88	29.6	93	0.30	66	0
1932	51.6	35	68.5	50	34.7	20	0.78	39	0
1907	44.5	97	59	97	30.5	86	1.38	10	2
1906	51.3	43	70.2	33	32.4	64	0.34	65	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2020	56
1996	55.2
1984	55.2
2009	55.1
1934	54.9
2018	54.2
2001	54
2006	53.9
2000	53.9
1958	53.8

Coldest
Year	Mean, °F
1907	44.5
1953	46.7
1983	46.8
1935	46.9
1957	47.1
1971	47.2
1933	47.2
1975	47.4
2019	47.5
1995	47.5

Wettest
Year	Precipitation, in
1935	2.97
2025	2.04
1973	1.85
2021	1.79
1994	1.78
2015	1.77
2024	1.70
1957	1.64
1978	1.59
1907	1.38

Driest
Year	Precipitation, in
1942	0.00
2004	0.01
1998	0.01
1975	0.01
1996	0.03
1951	0.03
2002	0.04
1950	0.04
1972	0.07
2010	0.09
More years share the last value

The hottest, coldest and wettest days

Hottest day: 83°F; 13 May 2026
Coldest night: 13°F; 7 May 2026
Wettest day: 0.19 in; 26 May 2026

Every month, season and year

Months

Seasons

Years

Alamosa, CO the day's answers

All-time records

Every answer in words

May 2026 brought 0.28 in of precipitation in Alamosa, CO, the driest May since 2020, 30th driest of 97.
The hottest day of May 2026 in Alamosa, CO: 83°F on Wednesday 13 May 2026.
The coldest night of May 2026 in Alamosa, CO: a low of 13°F on Thursday 7 May 2026.
The wettest day of May 2026 in Alamosa, CO: 0.19 in on Tuesday 26 May 2026.