Alamosa, CO: 2025

31 December 2025: 2025 averaged 45.1°F in Alamosa, CO, the warmest year on record, in 93 years since 1933; provisional.

2025

Mean temperature: 45.1°F; Warmest on record; Warmest of 93, provisional
Precipitation: 7.69 in; Wettest since 2024; 36th wettest of 93

A normal year in Alamosa, CO (1991 to 2020): a mean temperature of 42.7°F, between 40°F and 44°F in eight years of ten and 7.17 in of precipitation, between 5.38 in and 9.75 in in eight years of ten.

The mean temperature of every year in Alamosa, CO since 1933: 45.1°F in 2025, the highest of them all.

Normal range, 40 to 44°F

Every year, ranked, as a table

Every year in Alamosa, CO from 1906 to 2025, 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
2025	45.1	1	63.8	1	26.4	4	7.69	36	0
2024	44.7	3	62.6	8	26.9	2	11.36	2	0
2023	43.3	14	62.1	14	24.5	31	4.44	85	0
2022	43.1	16	62.1	14	24.2	40	9.97	10	0
2021	44.3	6	63.6	2	25.1	17	5.66	70	0
2020	44	9	63.2	5	24.8	21	6.13	61	0
2019	40.9	70	58.7	64	23.1	63	7.81	32	0
2018	44.1	8	63.2	5	25	18	5.77	68	0
2017	44.8	2	62.6	8	26.9	2	10.69	7	0
2016	43	23	61.4	22	24.6	27	9.17	19	0
2015	44.6	4	61.9	16	27.4	1	9.42	17	0
2014	43.1	16	61.1	26	25.2	14	5.54	75	0
2013	39.8	85	58	77	21.6	88	10.18	9	0
2012	43.1	16	63.3	3	23	67	5.58	72	0
2011	42.4	34	61.4	22	23.4	61	4.60	84	0
2010	43.1	16	61.4	22	24.8	21	5.99	64	0
2009	42.3	37	60.3	41	24.3	36	7.26	43	0
2008	40.3	77	58.4	68	22.1	82	5.48	76	0
2007	41.7	53	59.4	57	24	45	9.74	14	0
2006	43.1	16	61.6	19	24.6	27	8.43	25	0
2005	43.7	10	61.5	20	25.8	8	7.96	30	0
2004	41.6	56	59.6	51	23.6	56	6.03	63	0
2003	43.7	10	62.3	10	25	18	6.50	54	0
2002	42	45	61	28	22.9	69	4.42	87	0
2001	42.6	29	60.6	38	24.6	27	9.87	11	0
2000	43.5	13	62.2	11	24.8	21	5.02	79	0
1999	42.9	24	61.5	20	24.3	36	7.58	37	0
1998	42.3	37	59.4	57	25.2	14	6.87	50	0
1997	40.3	77	57.3	84	23.3	62	7.30	40	0
1996	42.7	27	61	28	24.4	33	5.42	77	0
1995	42.8	25	60.3	41	25.3	11	7.04	49	0
1994	42.1	40	59.8	47	24.5	31	7.07	47	0
1993	40	83	57.1	86	23	67	9.64	15	0
1992	38.1	93	55.3	93	20.9	90	9.14	21	0
1991	39.9	84	57.5	81	22.2	80	7.27	41	0
1990	42.1	40	59.7	49	24.4	33	11.19	3	0
1989	42.4	34	62.2	11	22.6	73	4.37	88	0
1988	40.3	77	59	62	21.7	86	5.42	77	0
1987	40.8	71	58.7	64	22.8	71	6.49	55	0
1986	43.1	16	60.3	41	26	5	7.73	34	0
1985	41.9	46	58.4	68	25.3	11	9.80	13	0
1984	39	90	56.1	92	21.9	84	7.10	45	0
1983	41.1	68	58.2	75	24	45	7.25	44	0
1982	41.4	59	58.3	71	24.6	27	5.99	64	0
1981	43.7	10	61.8	18	25.6	10	8.92	22	0
1980	42.7	27	61.3	25	24.2	40	5.71	69	0
1979	38.7	91	57	87	20.4	93	6.47	57	0
1978	41.9	46	60.2	45	23.6	56	7.27	41	0
1977	42.5	30	60.9	30	24.1	44	7.86	31	0
1976	40.6	73	58.6	66	22.6	73	6.21	60	0
1975	39.1	89	56.4	91	21.8	85	6.22	59	0
1974	40.2	81	58.3	71	22.1	82	6.76	52	0
1973	39.8	85	57	87	22.6	73	8.39	26	0
1972	41.2	64	58.4	68	23.9	50	7.70	35	0
1971	40.5	75	58.3	71	22.6	73	8.77	23	0
1970	41.4	59	59.2	59	23.6	56	8.08	28	1
1969	42.1	40	59	62	25.2	14	11.55	1	0
1968	39.7	87	57.2	85	22.2	80	8.10	27	0
1967	41.3	63	58.6	66	24	45	10.86	5	0
1966	41.8	50	59.7	49	23.8	51	4.96	81	0
1965	41.2	64	57.4	83	24.9	20	9.84	12	0
1964	38.7	91	56.8	89	20.6	92	7.07	47	0
1963	42.4	34	60.7	35	24	45	6.55	53	0
1962	42.5	30	60.8	31	24.2	40	4.74	82	0
1961	40.8	71	57.7	79	23.8	51	10.19	8	1
1960	40.3	77	58.1	76	22.5	78	5.85	66	1
1959	42.1	40	59.5	54	24.7	25	9.55	16	0
1958	43.1	16	60.8	31	25.3	11	5.01	80	0
1957	41.7	53	57.5	81	25.9	6	8.66	24	0
1956	41.9	46	60.7	35	23.1	63	3.40	93	0
1955	41.5	58	59.8	47	23.1	63	4.16	89	0
1954	44.3	6	62.7	7	25.9	6	5.56	74	0
1953	41.9	46	59.6	51	24.2	40	6.49	55	0
1952	40.6	73	57.6	80	23.7	54	7.76	33	0
1951	41.6	56	59.6	51	23.5	59	4.09	91	0
1950	42.8	25	61.9	16	23.8	51	4.12	90	0
1949	41.8	50	59.2	59	24.3	36	6.33	58	0
1948	40.4	76	58	77	22.8	71	5.66	70	1
1947	41.8	50	60.2	45	23.5	59	9.22	18	1
1946	43.3	14	62.2	11	24.4	33	4.74	82	0
1945	41.4	59	61.1	26	21.6	88	3.81	92	2
1944	39.6	88	58.3	71	20.8	91	5.84	67	0
1943	41.2	64	60.8	31	21.7	86	6.86	51	0
1942	41.7	53	60.5	39	22.9	69	7.37	38	3
1941	40.2	81	56.5	90	24	45	10.74	6	0
1940	41.2	64	59.1	61	23.1	63	7.32	39	3
1939	41.4	59	60.4	40	22.4	79	5.57	73	9
1938	42.1	40	59.5	54	24.7	25	11.04	4	0
1937	42.3	37	60.8	31	23.7	54	6.13	61	0
1936	42.5	30	60.7	35	24.3	36	9.17	19	0
1935	42.5	30	60.3	41	24.8	21	7.08	46	1
1934	44.5	5	63.3	3	25.7	9	4.43	86	1
1933	41.1	68	59.5	54	22.6	73	8.07	29	0
1932									91
1907									157
1906									254

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2025	45.1
2017	44.8
2024	44.7
2015	44.6
1934	44.5
2021	44.3
1954	44.3
2018	44.1
2020	44
2005	43.7
More years share the last value

Coldest
Year	Mean, °F
1992	38.1
1979	38.7
1964	38.7
1984	39
1975	39.1
1944	39.6
1968	39.7
2013	39.8
1973	39.8
1991	39.9

Wettest
Year	Precipitation, in
1969	11.55
2024	11.36
1990	11.19
1938	11.04
1967	10.86
1941	10.74
2017	10.69
1961	10.19
2013	10.18
2022	9.97

Driest
Year	Precipitation, in
1956	3.40
1945	3.81
1951	4.09
1950	4.12
1955	4.16
1989	4.37
2002	4.42
1934	4.43
2023	4.44
2011	4.60

The hottest, coldest and wettest days

Hottest day: 91°F; 8 August 2025, 7 August 2025
Coldest night: -14°F; 21 January 2025
Wettest day: 0.59 in; 13 October 2025

Month by month

Month	Mean temperature	Precipitation
January	17.9°F 41st warmest of 93	0.24 in 44th wettest of 92
February	34.1°F Warmest of 93	0.12 in 29th driest of 94
March	36.2°F 20th warmest of 94	0.18 in 27th driest of 94
April	43°F 30th warmest of 95	0.62 in 32nd wettest of 95
May	50.5°F 39th coldest of 96	2.04 in 2nd wettest of 96
June	62.3°F 15th warmest of 95	0.68 in 29th wettest of 95
July	64.8°F 46th coldest of 94	0.68 in 32nd driest of 94
August	64.3°F 16th warmest of 95	0.40 in 11th driest of 95
September	55.2°F 44th coldest of 94	1.02 in 37th wettest of 95
October	47.2°F 8th warmest of 94	0.92 in 26th wettest of 94
November	36.2°F 2nd warmest of 94	0.64 in 16th wettest of 95
December	29.3°F Warmest of 93	0.15 in 35th driest of 94

Hot days and freezes

Alamosa, CO has had 4 days at 90°F or above in 2025 through 31 December, the most by that date since 2024, tied 18th most of 93 (with 2013 and 1981).
Alamosa, CO has had 225 freezing nights (a low of 32°F or below) in 2025 through 31 December, the most by that date since 2021, tied 50th most of 93 (with 2020, 1994, 1982 and 2 other years).
The first freeze of fall 2025 in Alamosa, CO came on Friday 19 September 2025, the earliest since 2024, tied 73rd earliest of 94 (with 2007 and 1981).
The last freeze of spring 2025 in Alamosa, CO came on Tuesday 27 May 2025, the latest since 2024, tied 79th latest of 93 (with 2000 and 1986).

Daily records set

Date	Record	Value	Before	Check
25 December	Warmest day	61°F	60°F 1942	Provisional
24 December	Warmest day	60°F	58°F 1955	Provisional
22 December	Warmest day	57°F	56°F 1955	Provisional
21 December	Warmest day	58°F	52°F 2010	Provisional
20 December	Warmest day	59°F	56°F 1981	Provisional
19 December	Warmest day	63°F	56°F 1955	Provisional
4 November	Warmest day	68°F	67°F 1977	Provisional
3 November	Warmest day	70°F	66°F 1988, 1977	Provisional
21 August	Warmest day	89°F	88°F 2020, 2013, 2007	Provisional
8 August	Warmest day	91°F	88°F 2000, 1962	Provisional
7 August	Warmest day	91°F	90°F 1977	Provisional
12 April	Warmest day	79°F	74°F 2023	Provisional
24 February	Warmest day	64°F	60°F 2009, 1986, 1981	Provisional
7 February	Warmest day	60°F	57°F 2015	Provisional
4 February	Warmest day	64°F	58°F 1963	Provisional
3 February	Warmest day	67°F	55°F 2018	Provisional
2 February	Warmest day	63°F	58°F 1935	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Alamosa, CO the day's answers

All-time records

Every answer in words

2025 brought 7.69 in of precipitation in Alamosa, CO, the wettest year since 2024, 36th wettest of 93.
The hottest day of 2025 in Alamosa, CO: 91°F on Friday 8 August 2025 and Thursday 7 August 2025.
The coldest night of 2025 in Alamosa, CO: a low of -14°F on Tuesday 21 January 2025.
The wettest day of 2025 in Alamosa, CO: 0.59 in on Monday 13 October 2025.