Caribou, ME: May

31 May 2026: May 2026 averaged 50°F in Caribou, ME, the coldest May since 2019, tied 36th coldest of 88 (with 1955).

May 2026

Mean temperature: 50°F; Coldest since 2019; 36th coldest of 88
Precipitation: 5.04 in; Wettest since 2025; 10th wettest of 88

A normal May in Caribou, ME (1991 to 2020): a mean temperature of 51.7°F, between 48.7°F and 55.8°F in eight years of ten and 3.20 in of precipitation, between 2.38 in and 5.01 in in eight years of ten.

The mean temperature of every May in Caribou, ME since 1939: 50°F in 2026; the lowest is 42.7°F, in 1967.

Normal range, 48.7 to 55.8°F

Every year, ranked, as a table

Every May in Caribou, ME from 1939 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
2026	50	52	61.1	53	39	59	5.04	10
2025	52.2	32	62.5	35	41.9	23	5.04	10
2024	56.4	4	67.6	5	45.3	4	2.71	54
2023	51.7	35	64.1	28	39.4	52	2.79	52
2022	54.4	13	66.5	13	42.2	22	3.46	36
2021	52.6	28	64.9	20	40.3	42	3.51	34
2020	51.3	39	63	33	39.6	49	2.38	65
2019	48.8	71	59	70	38.5	67	3.19	40
2018	52.9	25	66.5	13	39.3	53	2.33	68
2017	52.7	27	62.3	37	43.2	12	4.37	18
2016	53.9	16	64.9	20	42.9	17	2.96	46
2015	55.7	7	67.4	6	44	8	2.75	53
2014	52.3	31	61.8	40	42.7	19	3.17	43
2013	53.8	17	64.8	22	42.7	19	5.51	4
2012	53.6	19	63.3	31	43.9	9	4.11	23
2011	52.1	34	61.2	50	43.1	13	4.46	17
2010	54.8	9	66.6	12	43	15	2.50	59
2009	50.3	50	61.5	46	39	59	5.29	5
2008	49.9	54	60.8	56	39	59	2.66	55
2007	50.3	50	61.7	43	38.9	63	2.90	49
2006	54.5	11	64.5	23	44.4	6	5.00	13
2005	48.2	79	57	81	39.3	53	3.20	39
2004	50.6	45	61.3	49	39.9	47	2.55	58
2003	49.7	56	60.4	59	39.1	56	3.18	41
2002	48.6	77	59.5	64	37.6	81	3.97	24
2001	56.4	4	69	3	43.7	10	2.01	75
2000	49.4	61	59.3	66	39.5	50	4.52	16
1999	57.2	1	70.3	1	44.1	7	2.40	64
1998	56.2	6	66.9	8	45.4	3	3.61	29
1997	47.3	82	56.6	82	38	72	5.10	9
1996	48.7	73	59.1	69	38.3	69	3.52	33
1995	50.7	44	61	54	40.5	38	2.46	60
1994	48.7	73	58.8	71	38.6	65	4.75	14
1993	51.1	42	61.7	43	40.6	33	3.58	31
1992	53.2	24	66.4	16	40	46	1.83	80
1991	52.5	29	64.2	25	40.8	29	3.51	34
1990	49	67	59.9	62	38	72	3.53	32
1989	56.7	3	66.8	9	46.6	1	4.13	22
1988	54.6	10	66.8	9	42.4	21	1.84	79
1987	50.6	45	63	33	38.2	70	2.46	60
1986	52.2	32	63.9	29	40.5	38	2.13	72
1985	49.5	60	61.2	50	37.8	78	2.64	56
1984	49.2	64	59.2	67	39.1	56	5.72	3
1983	48.9	69	57.2	79	40.6	33	5.28	6
1982	53.6	19	66.8	9	40.4	41	0.47	88
1981	54.1	15	65.2	19	43.1	13	3.18	41
1980	51.2	40	62.3	37	40.1	45	2.05	74
1979	54.5	11	63.5	30	45.6	2	4.27	19
1978	55.2	8	67	7	43.5	11	1.98	76
1977	53.3	23	65.5	18	41	27	0.74	85
1976	51.2	40	61.8	40	40.6	33	5.11	8
1975	53.7	18	64.5	23	42.8	18	3.04	45
1974	45.2	86	54.9	86	35.5	86	3.61	29
1973	48.9	69	56.5	83	41.3	25	5.03	12
1972	52.4	30	64.2	25	40.6	33	3.69	28
1971	51.6	37	62.5	35	40.6	33	2.06	73
1970	50.6	45	60.4	59	40.8	29	4.26	20
1969	48.2	79	58.5	75	37.8	78	2.88	50
1968	49.7	56	60.8	56	38.5	67	1.33	83
1967	42.7	88	51.5	88	33.8	87	3.95	25
1966	49	67	60	61	37.9	76	1.73	81
1965	49.1	65	59.2	67	39	59	2.35	66
1964	51.7	35	63.3	31	40.2	43	2.81	51
1963	49.8	55	61.5	46	38	72	2.34	67
1962	49.1	65	58.7	73	39.5	50	2.91	48
1961	47.3	82	57.3	78	37.3	83	4.71	15
1960	57.1	2	69.3	2	44.9	5	3.36	37
1959	53.5	22	65.6	17	41.5	24	0.64	87
1958	48	81	58.1	76	37.9	76	1.96	77
1957	49.3	63	60.9	55	37.6	81	1.62	82
1956	43.7	87	53.8	87	33.5	88	2.42	63
1955	50	52	59.6	63	40.5	38	4.17	21
1954	48.7	73	57.2	79	40.2	43	3.85	27
1953	51	43	61.4	48	40.7	31	2.61	57
1952	49.4	61	58	77	40.9	28	2.92	47
1951	50.5	48	61.7	43	39.3	53	1.93	78
1950	52.8	26	66.5	13	39.1	56	0.67	86
1949	49.6	58	61.2	50	38	72	3.91	26
1948	49.6	58	59.5	64	39.8	48	5.81	2
1947	46.4	85	56.3	84	36.4	85	6.27	1
1946	48.7	73	58.7	73	38.6	65	3.36	37
1945	47.2	84	56.2	85	38.1	71	5.23	7
1944	54.4	13	68.1	4	40.7	31	1.01	84
1943	48.3	78	58.8	71	37.8	78	2.31	69
1942	53.6	19	64.2	25	43	15	2.27	70
1941	50.4	49	62.1	39	38.7	64	3.13	44
1940	51.6	37	61.8	40	41.3	25	2.44	62
1939	48.8	71	60.6	58	36.9	84	2.15	71

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1999	57.2
1960	57.1
1989	56.7
2024	56.4
2001	56.4
1998	56.2
2015	55.7
1978	55.2
2010	54.8
1988	54.6

Coldest
Year	Mean, °F
1967	42.7
1956	43.7
1974	45.2
1947	46.4
1945	47.2
1997	47.3
1961	47.3
1958	48
2005	48.2
1969	48.2

Wettest
Year	Precipitation, in
1947	6.27
1948	5.81
1984	5.72
2013	5.51
2009	5.29
1983	5.28
1945	5.23
1976	5.11
1997	5.10
2026	5.04
More years share the last value

Driest
Year	Precipitation, in
1982	0.47
1959	0.64
1950	0.67
1977	0.74
1944	1.01
1968	1.33
1957	1.62
1966	1.73
1992	1.83
1988	1.84

The hottest, coldest and wettest days

Hottest day: 84°F; 20 May 2026
Coldest night: 28°F; 12 May 2026
Wettest day: 1.30 in; 6 May 2026

Every month, season and year

Months

Seasons

Years

Caribou, ME the day's answers

All-time records

Every answer in words

May 2026 brought 5.04 in of precipitation in Caribou, ME, the wettest May since 2025, tied 10th wettest of 88 (with 2025).
The hottest day of May 2026 in Caribou, ME: 84°F on Wednesday 20 May 2026.
The coldest night of May 2026 in Caribou, ME: a low of 28°F on Tuesday 12 May 2026.
The wettest day of May 2026 in Caribou, ME: 1.30 in on Wednesday 6 May 2026.