Fairfield Threshold Days by Year

17 fixed thresholds counted per year at Fairfield (USC00322809): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fairfield Thresholds

Fairfield: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1947 with 20.
Fairfield: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1964 with 5.
Fairfield: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 1959 with 200.
Fairfield: nights with a minimum temperature at or below -10 C (14 F) in 51 years, most in 1996 with 110.
17 fixed thresholds have at least one qualifying day at Fairfield.

Days at or above 30 C (86 F)

47 years with a qualifying day

Days per year at Fairfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 1961.

Days at or above 30 C (86 F) per year at Fairfield
Year	Days	Decade average
1956	22	29.8
1957	30	29.8
1958	31	29.8
1959	36	29.8
1960	40	27.9
1961	57	27.9
1962	20	27.9
1963	30	27.9
1964	24	27.9
1965	7	27.9
1966	24	27.9
1967	28	27.9
1968	19	27.9
1969	30	27.9
1970	35	23.5
1971	28	23.5
1972	12	23.5
1973	28	23.5
1974	24	23.5
1975	23	23.5
1976	32	23.5
1977	20	23.5
1978	16	23.5
1979	17	23.5
1980	30	33.9
1981	33	33.9
1982	26	33.9
1983	45	33.9
1985	28	33.9
1986	24	33.9
1987	31	33.9
1988	54	33.9
1989	34	33.9
1991	34	24.6
1992	20	24.6
1993	5	24.6
1994	27	24.6
1995	26	24.6
1996	27	24.6
1997	27	24.6
1998	33	24.6
1999	22	24.6
2000	38	33.4
2001	31	33.4
2002	30	33.4
2003	44	33.4
2005	24	33.4

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

First to last qualifying date each year at Fairfield
Year	First date	Last date
1956	1956-05-21	1956-09-26
1957	1957-07-01	1957-10-02
1958	1958-05-11	1958-09-12
1959	1959-06-03	1959-09-13
1960	1960-05-12	1960-09-20
1961	1961-05-30	1961-09-18
1962	1962-04-24	1962-09-06
1963	1963-06-29	1963-10-04
1964	1964-05-20	1964-08-19
1965	1965-07-21	1965-08-13
1966	1966-06-20	1966-09-20
1967	1967-07-05	1967-09-06
1968	1968-06-02	1968-09-14
1969	1969-05-26	1969-09-13
1970	1970-05-17	1970-09-05
1971	1971-07-06	1971-09-11
1972	1972-05-17	1972-09-19
1973	1973-06-13	1973-08-31
1974	1974-06-19	1974-08-07
1975	1975-06-24	1975-09-16
1976	1976-06-02	1976-09-17
1977	1977-05-09	1977-07-30
1978	1978-07-15	1978-09-10
1979	1979-05-16	1979-09-16
1980	1980-04-20	1980-09-07
1981	1981-06-26	1981-09-12
1982	1982-06-22	1982-09-10
1983	1983-06-10	1983-09-26
1985	1985-05-03	1985-08-25
1986	1986-05-04	1986-08-30
1987	1987-04-18	1987-09-14
1988	1988-05-17	1988-09-06
1989	1989-04-22	1989-09-30
1991	1991-06-12	1991-09-08
1992	1992-05-07	1992-10-01
1993	1993-05-13	1993-08-09
1994	1994-05-27	1994-09-23
1995	1995-06-14	1995-09-03
1996	1996-06-08	1996-09-04
1997	1997-05-31	1997-10-02
1998	1998-05-26	1998-09-18
1999	1999-06-21	1999-08-30
2000	2000-06-07	2000-09-17
2001	2001-04-28	2001-09-05
2002	2002-06-27	2002-09-16
2003	2003-05-29	2003-10-07
2005	2005-06-22	2005-10-01

Every Fixed Threshold

Fixed thresholds at Fairfield
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	47	57	1961	24
35 C (95 F): Days	45	24	1988	1
40 C (104 F): Days	4	2	1981	1
90 F (32.2 C): Days	47	38	1988	20
100 F (37.8 C): Days	22	8	1988	4
0 C (32 F): Ice days (max	47	108	1970	57
0 C (32 F): Frost days (min	51	200	1959	161
-10 C (14 F): Days with min	51	110	1996	58
-20 C (-4 F): Days with min	51	56	1996	21
-30 C (-22 F): Days with min	43	15	1982	2
20 C (68 F): Tropical nights (min	26	5	1957	2
10 mm (0.39 in): Days with 10 mm or more rain	61	20	1947	7
25 mm (0.98 in): Days with 25 mm or more rain	53	5	1964	1
50 mm (1.97 in): Days with 50 mm or more rain	15	2	1970	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1980	1
10 cm (3.9 in): Days with 10 cm or more snowfall	47	5	1958	5
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

Data for Fairfield 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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

Fairfield Threshold Days by Year

Key Facts for Fairfield Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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