Marathon, FL: January

31 January 2026: January 2026 averaged 69°F in Marathon, FL, the coldest January since 2025, tied 27th coldest of 65 (with 2004 and 1964).

January 2026

Mean temperature: 69°F; Coldest since 2025; 27th coldest of 65
Precipitation: 0.76 in; Driest since 2023; 26th driest of 65

A normal January in Marathon, FL (1991 to 2020): a mean temperature of 70°F, between 67°F and 74.4°F in eight years of ten and 1.51 in of precipitation, between 0.27 in and 3.51 in in eight years of ten.

The mean temperature of every January in Marathon, FL since 1951: 69°F in 2026; the lowest is 63.2°F, in 2003.

Normal range, 67 to 74.4°F

Every year, ranked, as a table

Every January in Marathon, FL from 1951 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	69	37	74.4	45	63.6	31	0.76	40	0
2025	67.9	50	73.2	55	62.5	45	1.35	32	0
2024	72.7	12	78.4	13	66.9	12	1.05	34	0
2023	73.9	7	79.9	5	68	8	0.53	50	0
2022	70.3	25	76.1	29	64.5	24	1.30	33	0
2021	68.6	42	73.8	51	63.5	34	0.57	46	0
2020	72.3	13	77.3	19	67.2	11	1.69	26	0
2019	72.2	14	77.9	17	66.4	15	1.58	29	0
2018	67.9	50	73.3	53	62.4	48	0.43	55	0
2017	74.8	3	81	2	68.7	6	0.87	37	0
2016	68.2	48	73	57	63.4	35	5.23	5	0
2015	72.1	16	76.9	21	67.4	10	0.20	60	0
2014	69.6	33	75.9	30	63.4	35	3.29	13	0
2013	75.4	2	80	4	70.7	2	0.54	48	0
2012	70.9	22	76.5	24	65.4	20	0.57	46	0
2011	67.6	52	73.9	50	61.2	55	2.41	19	2
2010	63.6	64	69.5	64	57.7	64	1.51	30	0
2009	68.6	42	74.5	42	62.8	39	0.53	50	0
2008	72.2	14	78.3	15	66.1	16	1.45	31	0
2007	74.3	6	79.3	7	69.2	4	1.69	26	2
2006	71.1	20	76.7	23	65.5	19	0.21	59	0
2005	69.9	31	75.6	32	64.2	26	0.29	56	0
2004	69	37	74.5	42	63.6	31	1.88	25	1
2003	63.2	65	69.8	63	56.5	65	0.68	43	1
2002	71.3	19	76.8	22	65.8	18	0.75	41	0
2001	64.8	62	70.9	61	58.8	62	0.18	61	0
2000	70.7	23	76.5	24	64.9	23	0.60	45	0
1999	71.5	18	77	20	65.9	17	2.26	20	0
1997	69.2	35	75.1	38	63.4	35	3.36	10	0
1996	67.5	54	74.2	47	60.8	56	2.65	17	0
1995	69.2	35	75.6	32	62.9	38	2.02	23	0
1994	70	29	74.9	39	65	22	4.12	7	0
1993	73.3	8	78.7	10	67.9	9	5.88	4	0
1992	68.3	47	74.2	47	62.5	45	0.61	44	0
1991	74.7	5	80.5	3	68.8	5	3.24	14	2
1990	72.9	11	77.5	18	68.3	7	0.07	65	0
1989	74.8	3	78.7	10	70.8	1	0.54	48	0
1988	67.4	55	72.3	59	62.6	43	4.51	6	0
1987	68.8	40	74.5	42	62.7	40	2.59	18	2
1986	67.6	52	73.3	53	62	50	2.08	21	0
1985	65.1	61	70.9	61	59.3	61	0.10	63	1
1984	66.9	58	72.1	60	61.6	52	1.02	36	0
1983	68	49	73.2	55	62.7	40	16.76	1	0
1973	73	10	79	8	66.6	14	3.93	8	1
1972	76	1	81.8	1	70	3	0.44	54	1
1971	71	21	78.2	16	63.8	29	0.16	62	0
1970	67.2	56	74.1	49	60.3	58	3.83	9	0
1969	70.1	27	75.9	30	64.3	25	3.36	10	0
1967	73.1	9	79.5	6	66.7	13	3.12	15	0
1966	68.6	42	74.7	41	62.6	43	3.31	12	2
1965	70.3	25	76.5	24	64.1	27	0.48	52	0
1964	69	37	75.6	32	62.5	45	0.09	64	0
1963	69.7	32	75.4	37	64	28	0.75	41	0
1962	70	29	76.4	27	63.6	31	1.96	24	0
1961	66.9	58	73.4	52	60.4	57	2.85	16	0
1960	69.6	33	75.6	32	63.7	30	0.82	39	0
1959	68.5	45	74.8	40	62.2	49	1.59	28	0
1958	63.8	63	69.4	65	58.1	63	8.71	2	1
1957	70.1	27	78.5	12	61.7	51	0.28	58	0
1956	66.2	60	72.6	58	59.7	60	0.29	56	0
1955	68.4	46	75.5	36	61.3	54	0.86	38	0
1954	72.1	16	78.9	9	65.4	20	1.05	34	0
1953	68.8	40	76.2	28	61.5	53	6.08	3	0
1952	70.5	24	78.4	13	62.7	40	0.46	53	0
1951	67	57	74.3	46	59.8	59	2.04	22	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1972	76
2013	75.4
2017	74.8
1989	74.8
1991	74.7
2007	74.3
2023	73.9
1993	73.3
1967	73.1
1973	73

Coldest
Year	Mean, °F
2003	63.2
2010	63.6
1958	63.8
2001	64.8
1985	65.1
1956	66.2
1984	66.9
1961	66.9
1951	67
1970	67.2

Wettest
Year	Precipitation, in
1983	16.76
1958	8.71
1953	6.08
1993	5.88
2016	5.23
1988	4.51
1994	4.12
1973	3.93
1970	3.83
1997	3.36
More years share the last value

Driest
Year	Precipitation, in
1990	0.07
1964	0.09
1985	0.10
1971	0.16
2001	0.18
2015	0.20
2006	0.21
1957	0.28
2005	0.29
1956	0.29

The hottest, coldest and wettest days

Hottest day: 82°F; 26 January 2026
Coldest night: 51°F; 16 January 2026
Wettest day: 0.22 in; 30 January 2026

Every month, season and year

Months

Seasons

Years

Marathon, FL the day's answers

All-time records

Every answer in words

January 2026 brought 0.76 in of precipitation in Marathon, FL, the driest January since 2023, 26th driest of 65.
The hottest day of January 2026 in Marathon, FL: 82°F on Monday 26 January 2026.
The coldest night of January 2026 in Marathon, FL: a low of 51°F on Friday 16 January 2026.
The wettest day of January 2026 in Marathon, FL: 0.22 in on Friday 30 January 2026.