Marathon, FL: 2025

31 December 2025: 2025 averaged 78.9°F in Marathon, FL, the warmest year since 2024, tied 16th warmest of 60 (with 2021, 2014 and 1991).

2025

Mean temperature: 78.9°F; Warmest since 2024; 16th warmest of 60
Precipitation: 38.38 in; Wettest since 2024; 27th wettest of 61

A normal year in Marathon, FL (1991 to 2020): a mean temperature of 78.7°F, between 77.3°F and 80.2°F in eight years of ten and 36.62 in of precipitation, between 31.35 in and 51.77 in in eight years of ten.

The mean temperature of every year in Marathon, FL since 1951: 78.9°F in 2025; the highest is 81.7°F, in 2019.

Normal range, 77.3 to 80.2°F

Every year, ranked, as a table

Every year in Marathon, FL from 1950 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	78.9	16	83.3	42	74.5	9	38.38	27	0
2024	79.7	9	84.2	26	75.1	4	49.38	11	0
2023	81.4	2	87.3	1	75.5	2	52.56	8	0
2022	80.5	4	86.2	3	74.7	7	34.73	39	0
2021	78.9	16	84.3	21	73.5	17	34.49	41	0
2020	80	7	85.4	6	74.7	7	64.55	2	0
2019	81.7	1	87.2	2	76.2	1	33.75	44	0
2018	79.6	10	85.3	8	74	12	31.50	51	2
2017	80.4	5	85.7	5	75	5	31.61	50	4
2016	79.4	12	84.6	14	74.3	11	37.90	28	0
2015	80.6	3	85.9	4	75.3	3	34.51	40	0
2014	78.9	16	84.5	15	73.3	20	36.41	33	0
2013	80.1	6	85.4	6	74.8	6	52.34	9	1
2012	79.1	14	84.4	16	73.8	14	44.37	18	1
2011	79.6	10	85.1	11	74	12	35.98	34	2
2010	75.9	58	81.4	57	70.5	52	53.85	6	4
2009	78.7	22	84.3	21	73.2	23	35.36	37	3
2008	79.3	13	84.8	13	73.7	15	38.61	26	3
2007	79	15	84.4	16	73.6	16	46.31	17	6
2006	78.7	22	84.3	21	73	24	35.81	36	2
2005	78.6	24	84.3	21	72.9	28	39.27	24	9
2004	78.5	26	84.1	28	73	24	23.19	58	8
2003	78.6	24	84.2	26	73	24	36.60	32	6
2002	79.8	8	85.2	10	74.4	10	34.27	43	4
2001	78.2	28	83.5	38	72.9	28	42.83	20	2
2000	78	30	83.3	42	72.8	31	27.53	55	29
1999	78.1	29	83.6	37	72.7	32	47.32	15	1
1998							30.04	53	44
1997	77.9	32	82.8	48	73	24	41.54	22	32
1996	76.5	53	81.8	56	71	48	36.64	31	6
1995	77.3	43	82.9	46	71.8	42	47.74	14	2
1994	78.5	26	83.7	35	73.3	20	51.71	10	3
1993	77.5	40	83	45	71.9	41	32.92	46	1
1992	77.3	43	82.5	50	72.1	38	35.83	35	0
1991	78.9	16	84.3	21	73.4	19	46.88	16	4
1990	77.6	37	82	54	73.3	20	38.71	25	4
1989	77.6	37	82.9	46	72.3	36	21.16	60	3
1988	76.6	51	82.2	51	71	48	48.73	13	1
1987	77.4	42	82.1	52	72.5	33	34.95	38	5
1986	77.8	34	82.1	52	73.5	17	32.76	47	2
1985	77.5	40	81.9	55	72.9	28	43.37	19	4
1984	76.5	53	80.5	60	72.5	33	36.76	30	0
1983	76.7	48	81.3	58	72	39	63.23	4	4
1982									152
1975									319
1974									200
1973									307
1972	78.8	20	85	12	72.5	33	40.85	23	4
1971	78.8	20	85.3	8	72.2	37	29.94	54	3
1970	77.3	43	83.8	34	70.8	50	32.95	45	1
1969	77.3	43	83.5	38	71.1	46	52.90	7	3
1968									153
1967									154
1966									70
1965	77.9	32	84.1	28	71.8	42	30.27	52	12
1964	78	30	83.9	30	72	39	31.94	49	1
1963	76.6	51	82.6	49	70.6	51	36.97	29	0
1962	76.7	48	83.1	44	70.4	53	32.50	48	2
1961	77.8	34	83.9	30	71.8	42	22.21	59	2
1960									54
1959	77.6	37	83.7	35	71.4	45	70.09	1	1
1958	75.9	58	81.3	58	70.4	53	63.70	3	3
1957	77.8	34	84.4	16	71.1	46	41.93	21	3
1956	76.1	56	83.5	38	68.8	57	24.11	56	5
1955	76.9	47	83.9	30	69.8	55	23.55	57	2
1954	76.2	55	83.9	30	68.6	58	49.26	12	1
1953	76.1	56	84.4	16	67.8	60	57.16	5	6
1952	76.7	48	84.4	16	69.1	56	34.44	42	0
1951	75.9	58	83.4	41	68.3	59	20.99	61	31
1950									147

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2019	81.7
2023	81.4
2015	80.6
2022	80.5
2017	80.4
2013	80.1
2020	80
2002	79.8
2024	79.7
2018	79.6
More years share the last value

Coldest
Year	Mean, °F
2010	75.9
1958	75.9
1951	75.9
1956	76.1
1953	76.1
1954	76.2
1996	76.5
1984	76.5
1988	76.6
1963	76.6

Wettest
Year	Precipitation, in
1959	70.09
2020	64.55
1958	63.70
1983	63.23
1953	57.16
2010	53.85
1969	52.90
2023	52.56
2013	52.34
1994	51.71

Driest
Year	Precipitation, in
1951	20.99
1989	21.16
1961	22.21
2004	23.19
1955	23.55
1956	24.11
2000	27.53
1971	29.94
1998	30.04
1965	30.27

The hottest, coldest and wettest days

Hottest day: 93°F; 30 August 2025, 22 August 2025, 20 August 2025, 19 August 2025, 18 August 2025, 13 July 2025
Coldest night: 52°F; 25 January 2025
Wettest day: 5.22 in; 10 October 2025

Month by month

Month	Mean temperature	Precipitation
January	67.9°F 15th coldest of 64	1.35 in 32nd wettest of 64
February	75.4°F 9th warmest of 65	1.15 in 24th driest of 65
March	74.2°F 32nd warmest of 63	0.13 in 5th driest of 63
April	78.4°F 23rd warmest of 65	0.48 in 18th driest of 65
May	82.8°F 8th warmest of 65	2.33 in 32nd driest of 64
June	84.1°F 21st warmest of 64	5.63 in 24th wettest of 65
July	85°F 26th warmest of 66	2.05 in 14th driest of 66
August	85.9°F 14th warmest of 67	3.48 in 28th driest of 67
September	83.1°F 23rd coldest of 65	9.26 in 11th wettest of 65
October	80.7°F 25th warmest of 62	9.93 in 8th wettest of 64
November	74.8°F 24th coldest of 65	1.17 in 31st driest of 66
December	74.3°F 14th warmest of 66	1.42 in 31st wettest of 66

Hot days and freezes

Marathon, FL has had 51 days at 90°F or above in 2025 through 31 December, the most by that date since 2024, 53rd most of 60.

Daily records set

Date	Record	Value	Before	Check
11 November	Coldest night	55°F	59°F 1956, 1953	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Marathon, FL the day's answers

All-time records

Every answer in words

2025 brought 38.38 in of precipitation in Marathon, FL, the wettest year since 2024, 27th wettest of 61.
The hottest day of 2025 in Marathon, FL: 93°F on Saturday 30 August 2025, Friday 22 August 2025, Wednesday 20 August 2025 and 3 other days.
The coldest night of 2025 in Marathon, FL: a low of 52°F on Saturday 25 January 2025.
The wettest day of 2025 in Marathon, FL: 5.22 in on Friday 10 October 2025.