Monterey Threshold Days by Year (USC00445698)

15 fixed thresholds counted per year at Monterey (USC00445698): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monterey Thresholds

Monterey: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1979 with 49.
Monterey: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1979 with 16.
Monterey: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1958 with 159.
Monterey: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 1963 with 55.
15 fixed thresholds have at least one qualifying day at Monterey.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Monterey with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1988.

Days at or above 30 C (86 F) per year at Monterey
Year	Days	Decade average
1895	22	22
1946	2	2.7
1947	2	2.7
1949	4	2.7
1950	1	12.4
1951	7	12.4
1952	22	12.4
1953	20	12.4
1954	19	12.4
1955	18	12.4
1957	10	12.4
1958	2	12.4
1959	13	12.4
1961	1	7.8
1962	4	7.8
1963	3	7.8
1964	16	7.8
1965	5	7.8
1966	13	7.8
1968	12	7.8
1969	8	7.8
1973	13	7.6
1974	2	7.6
1975	8	7.6
1976	5	7.6
1977	13	7.6
1978	8	7.6
1979	4	7.6
1980	20	13
1981	3	13
1985	3	13
1986	8	13
1987	17	13
1988	27	13

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

First to last qualifying date each year at Monterey
Year	First date	Last date
1895	1895-05-09	1895-09-23
1946	1946-07-21	1946-09-08
1947	1947-06-11	1947-08-14
1949	1949-07-05	1949-07-29
1950	1950-06-27	1950-06-27
1951	1951-06-03	1951-09-01
1952	1952-06-09	1952-09-14
1953	1953-06-28	1953-10-01
1954	1954-06-14	1954-09-08
1955	1955-07-03	1955-08-23
1957	1957-06-17	1957-09-03
1958	1958-07-29	1958-07-31
1959	1959-06-30	1959-08-27
1961	1961-09-04	1961-09-04
1962	1962-08-07	1962-09-15
1963	1963-06-26	1963-07-19
1964	1964-06-10	1964-09-12
1965	1965-07-25	1965-09-11
1966	1966-06-26	1966-07-28
1968	1968-07-01	1968-08-25
1969	1969-06-27	1969-07-19
1973	1973-06-11	1973-09-03
1974	1974-07-09	1974-07-14
1975	1975-05-21	1975-08-26
1976	1976-06-12	1976-09-08
1977	1977-07-06	1977-07-21
1978	1978-06-27	1978-09-21
1979	1979-08-01	1979-08-09
1980	1980-06-28	1980-09-05
1981	1981-06-15	1981-07-10
1985	1985-07-15	1985-08-14
1986	1986-07-08	1986-07-28
1987	1987-07-20	1987-08-22
1988	1988-05-29	1988-08-19

Every Fixed Threshold

Fixed thresholds at Monterey
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	27	1988	27
35 C (95 F): Days	1	1	1952	1
90 F (32.2 C): Days	13	11	1895	8
0 C (32 F): Ice days (max	36	52	1895	28
0 C (32 F): Frost days (min	37	159	1958	150
-10 C (14 F): Days with min	37	55	1963	31
-20 C (-4 F): Days with min	25	9	1963	1
-30 C (-22 F): Days with min	1	1	1985	1
20 C (68 F): Tropical nights (min	8	8	1953	3
10 mm (0.39 in): Days with 10 mm or more rain	51	49	1979	22
25 mm (0.98 in): Days with 25 mm or more rain	51	16	1979	5
50 mm (1.97 in): Days with 50 mm or more rain	37	4	1952	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1942	1
10 cm (3.9 in): Days with 10 cm or more snowfall	31	8	1895	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	2	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

Data for Monterey 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).

Monterey Threshold Days by Year (USC00445698)

Key Facts for Monterey Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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