Yerevan Threshold Days by Year

14 fixed thresholds counted per year at Yerevan (AM000037789): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Yerevan Thresholds

Yerevan: days with 10 mm (0.39 in) or more of precipitation in 104 years, most in 1946 with 16.
Yerevan: nights with a minimum temperature at or below 0 C (32 F) in 95 years, most in 1972 with 134.
Yerevan: nights with a minimum temperature at or above 20 C (68 F) in 95 years, most in 2000 with 48.
Yerevan: nights with a minimum temperature at or below -10 C (14 F) in 90 years, most in 1933 with 60.
14 fixed thresholds have at least one qualifying day at Yerevan.

Days at or above 30 C (86 F)

80 years with a qualifying day

Days per year at Yerevan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 1985.

Days at or above 30 C (86 F) per year at Yerevan
Year	Days	Decade average
1923	43	65
1924	83	65
1925	74	65
1926	54	65
1927	85	65
1928	51	65
1929	65	65
1930	70	74.9
1931	81	74.9
1932	72	74.9
1933	72	74.9
1934	72	74.9
1935	92	74.9
1936	71	74.9
1937	84	74.9
1938	75	74.9
1939	60	74.9
1940	82	78.6
1941	91	78.6
1942	81	78.6
1943	80	78.6
1944	78	78.6
1946	66	78.6
1947	61	78.6
1948	84	78.6
1949	84	78.6
1950	67	71.6
1951	85	71.6
1952	76	71.6
1953	74	71.6
1954	76	71.6
1955	73	71.6
1956	62	71.6
1957	73	71.6
1958	69	71.6
1959	61	71.6
1960	66	74.9
1961	86	74.9
1962	88	74.9
1963	56	74.9
1964	73	74.9
1965	75	74.9
1966	88	74.9
1967	69	74.9
1968	74	74.9
1969	74	74.9
1970	88	80.9
1971	92	80.9
1972	76	80.9
1973	79	80.9
1974	68	80.9
1975	79	80.9
1976	78	80.9
1977	82	80.9
1978	84	80.9
1979	83	80.9
1980	97	85.5
1981	81	85.5
1982	66	85.5
1983	72	85.5
1984	88	85.5
1985	101	85.5
1986	90	85.5
1987	91	85.5
1988	70	85.5
1989	99	85.5
1990	100	74.7
1991	86	74.7
1992	36	74.7
1993	67	74.7
1994	64	74.7
1995	81	74.7
1996	66	74.7
1997	73	74.7
1998	92	74.7
1999	82	74.7
2000	89	80
2002	83	80
2003	65	80
2004	83	80

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

First to last qualifying date each year at Yerevan
Year	First date	Last date
1923	1923-06-06	1923-09-21
1924	1924-05-28	1924-09-24
1925	1925-06-04	1925-09-20
1926	1926-05-14	1926-09-09
1927	1927-05-26	1927-09-26
1928	1928-04-23	1928-09-25
1929	1929-06-12	1929-09-19
1930	1930-06-08	1930-09-26
1931	1931-06-21	1931-09-25
1932	1932-05-31	1932-09-05
1933	1933-05-22	1933-09-19
1934	1934-06-08	1934-09-10
1935	1935-05-02	1935-09-26
1936	1936-06-21	1936-09-12
1937	1937-06-12	1937-09-29
1938	1938-06-10	1938-09-15
1939	1939-05-19	1939-09-20
1940	1940-05-19	1940-09-14
1941	1941-05-12	1941-09-23
1942	1942-05-05	1942-09-14
1943	1943-05-28	1943-10-02
1944	1944-06-04	1944-09-29
1946	1946-06-07	1946-09-25
1947	1947-06-21	1947-09-05
1948	1948-05-26	1948-09-30
1949	1949-06-03	1949-09-07
1950	1950-05-29	1950-09-25
1951	1951-05-30	1951-09-11
1952	1952-05-26	1952-10-05
1953	1953-05-18	1953-09-24
1954	1954-06-12	1954-09-26
1955	1955-05-30	1955-09-22
1956	1956-06-21	1956-09-15
1957	1957-06-27	1957-09-25
1958	1958-05-13	1958-09-29
1959	1959-05-28	1959-09-02
1960	1960-05-22	1960-09-15
1961	1961-05-04	1961-09-11
1962	1962-05-17	1962-09-30
1963	1963-06-19	1963-09-20
1964	1964-05-10	1964-09-25
1965	1965-05-15	1965-09-17
1966	1966-06-02	1966-09-20
1967	1967-05-23	1967-09-17
1968	1968-06-25	1968-09-27
1969	1969-05-13	1969-09-07
1970	1970-05-14	1970-09-29
1971	1971-05-04	1971-09-21
1972	1972-06-02	1972-09-30
1973	1973-05-27	1973-10-05
1974	1974-05-12	1974-08-22
1975	1975-06-06	1975-09-07
1976	1976-06-05	1976-09-08
1977	1977-06-05	1977-09-25
1978	1978-06-12	1978-09-30
1979	1979-06-22	1979-09-25
1980	1980-05-18	1980-09-13
1981	1981-06-11	1981-09-26
1982	1982-06-09	1982-09-18
1983	1983-06-14	1983-09-23
1984	1984-06-04	1984-09-29
1985	1985-05-12	1985-09-24
1986	1986-06-04	1986-09-25
1987	1987-05-01	1987-10-02
1988	1988-05-17	1988-09-19
1989	1989-05-22	1989-09-11
1990	1990-05-28	1990-09-29
1991	1991-06-09	1991-09-20
1992	1992-06-29	1992-09-08
1993	1993-06-16	1993-09-19
1994	1994-05-26	1994-09-19
1995	1995-05-22	1995-09-17
1996	1996-06-16	1996-09-28
1997	1997-04-25	1997-09-21
1998	1998-05-07	1998-09-22
1999	1999-05-29	1999-10-03
2000	2000-05-23	2000-09-17
2002	2002-05-28	2002-09-29
2003	2003-06-10	2003-10-10
2004	2004-06-08	2004-10-01

Every Fixed Threshold

Fixed thresholds at Yerevan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	80	101	1985	83
35 C (95 F): Days	79	50	1989	17
40 C (104 F): Days	11	3	1976	2
90 F (32.2 C): Days	80	81	1989	54
100 F (37.8 C): Days	51	14	2000	3
0 C (32 F): Ice days (max	75	81	1993	27
0 C (32 F): Frost days (min	95	134	1972	101
-10 C (14 F): Days with min	90	60	1933	4
-20 C (-4 F): Days with min	25	14	1950	2
20 C (68 F): Tropical nights (min	95	48	2000	42
25 C (77 F): Days with min	12	5	1999	2
10 mm (0.39 in): Days with 10 mm or more rain	104	16	1946	9
25 mm (0.98 in): Days with 25 mm or more rain	31	3	1972	1
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1974	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

Data for Yerevan 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Yerevan Threshold Days by Year

Key Facts for Yerevan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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