Miami WSO City Threshold Days by Year (USW00012859)

10 fixed thresholds counted per year at Miami WSO City (USW00012859): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Miami WSO City Thresholds

Miami WSO City: days with a maximum temperature at or above 30 C (86 F) in 48 years, most in 1995 with 147.
Miami WSO City: days with a maximum temperature at or above 90 F (32.2 C) in 48 years, most in 1997 with 53.
Miami WSO City: nights with a minimum temperature at or above 20 C (68 F) in 48 years, most in 1982 with 316.
Miami WSO City: nights with a minimum temperature at or above 25 C (77 F) in 48 years, most in 1995 with 150.
10 fixed thresholds have at least one qualifying day at Miami WSO City.

Days at or above 30 C (86 F)

48 years with a qualifying day

Days per year at Miami WSO City with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 147 in 1995.

Days at or above 30 C (86 F) per year at Miami WSO City
Year	Days	Decade average
1949	76	76
1950	59	88
1951	105	88
1952	95	88
1953	82	88
1954	96	88
1955	83	88
1956	85	88
1957	99	88
1963	125	94.7
1964	79	94.7
1966	87	94.7
1967	87	94.7
1968	94	94.7
1969	96	94.7
1970	90	88.8
1971	96	88.8
1972	76	88.8
1973	91	88.8
1974	89	88.8
1975	99	88.8
1976	72	88.8
1977	89	88.8
1978	100	88.8
1979	86	88.8
1980	97	98.3
1981	91	98.3
1982	104	98.3
1983	99	98.3
1984	69	98.3
1985	103	98.3
1986	100	98.3
1987	107	98.3
1988	97	98.3
1989	116	98.3
1990	116	119.4
1991	112	119.4
1992	99	119.4
1993	116	119.4
1994	129	119.4
1995	147	119.4
1996	111	119.4
1997	128	119.4
1998	118	119.4
1999	118	119.4
2000	129	129.7
2001	120	129.7
2002	140	129.7

For each year, a bar from the first to the last day at Miami WSO City meeting 30 C (86 F).

First to last qualifying date each year at Miami WSO City
Year	First date	Last date
1949	1949-04-13	1949-10-26
1950	1950-03-29	1950-10-24
1951	1951-04-17	1951-10-07
1952	1952-03-13	1952-10-08
1953	1953-04-07	1953-10-06
1954	1954-04-02	1954-10-15
1955	1955-04-26	1955-10-14
1956	1956-04-07	1956-10-23
1957	1957-04-09	1957-10-13
1963	1963-03-20	1963-10-29
1964	1964-01-28	1964-10-15
1966	1966-04-02	1966-11-02
1967	1967-04-18	1967-10-26
1968	1968-04-16	1968-10-19
1969	1969-04-19	1969-11-02
1970	1970-04-02	1970-10-31
1971	1971-04-24	1971-11-30
1972	1972-04-06	1972-11-08
1973	1973-04-04	1973-11-02
1974	1974-02-08	1974-10-08
1975	1975-02-13	1975-10-25
1976	1976-03-23	1976-10-26
1977	1977-02-04	1977-10-11
1978	1978-03-01	1978-10-07
1979	1979-04-26	1979-11-03
1980	1980-03-13	1980-11-18
1981	1981-04-30	1981-10-19
1982	1982-02-13	1982-10-14
1983	1983-05-04	1983-10-17
1984	1984-04-10	1984-09-17
1985	1985-03-17	1985-11-01
1986	1986-02-20	1986-11-27
1987	1987-06-09	1987-11-17
1988	1988-04-19	1988-11-04
1989	1989-05-02	1989-11-16
1990	1990-05-22	1990-10-24
1991	1991-03-09	1991-10-12
1992	1992-04-26	1992-10-11
1993	1993-04-02	1993-10-30
1994	1994-03-10	1994-11-01
1995	1995-03-24	1995-11-08
1996	1996-05-22	1996-11-08
1997	1997-03-31	1997-11-02
1998	1998-04-04	1998-10-21
1999	1999-04-11	1999-10-21
2000	2000-03-31	2000-10-07
2001	2001-02-17	2001-10-25
2002	2002-03-13	2002-11-13

Every Fixed Threshold

Fixed thresholds at Miami WSO City
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	48	147	1995	140
35 C (95 F): Days	24	5	1999	5
90 F (32.2 C): Days	48	53	1997	16
0 C (32 F): Frost days (min	3	1	1977	1
20 C (68 F): Tropical nights (min	48	316	1982	294
25 C (77 F): Days with min	48	150	1995	118
10 mm (0.39 in): Days with 10 mm or more rain	48	52	1953	49
25 mm (0.98 in): Days with 25 mm or more rain	48	24	1953	17
50 mm (1.97 in): Days with 50 mm or more rain	48	9	1984	5
100 mm (3.94 in): Days with 100 mm or more rain	18	3	1957	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Miami WSO City threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Miami WSO City Threshold Days by Year (USW00012859)

Key Facts for Miami WSO City Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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