Greenville Threshold Days by Year (USC00373306)

15 fixed thresholds counted per year at Greenville (USC00373306): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenville Thresholds

Greenville: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 1947 with 151.
Greenville: nights with a minimum temperature at or below -10 C (14 F) in 27 years, most in 1962 with 45.
Greenville: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1944 with 45.
Greenville: days with a maximum temperature at or below 0 C (32 F) in 26 years, most in 1963 with 44.
15 fixed thresholds have at least one qualifying day at Greenville.

Days at or above 30 C (86 F)

26 years with a qualifying day

Days per year at Greenville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 1944.

Days at or above 30 C (86 F) per year at Greenville
Year	Days	Decade average
1943	30	28.3
1944	45	28.3
1945	24	28.3
1946	15	28.3
1947	15	28.3
1948	28	28.3
1949	41	28.3
1950	17	22.2
1951	21	22.2
1952	29	22.2
1953	22	22.2
1954	8	22.2
1955	32	22.2
1956	21	22.2
1957	31	22.2
1958	10	22.2
1959	31	22.2
1960	10	17.4
1961	21	17.4
1962	6	17.4
1963	18	17.4
1964	13	17.4
1965	29	17.4
1966	23	17.4
1968	19	17.4
1969	18	17.4

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

First to last qualifying date each year at Greenville
Year	First date	Last date
1943	1943-06-04	1943-08-24
1944	1944-05-04	1944-09-07
1945	1945-04-13	1945-09-08
1946	1946-06-08	1946-09-20
1947	1947-05-24	1947-10-16
1948	1948-05-12	1948-09-13
1949	1949-05-05	1949-10-10
1950	1950-06-07	1950-08-26
1951	1951-05-15	1951-08-31
1952	1952-06-15	1952-09-12
1953	1953-05-11	1953-09-02
1954	1954-06-19	1954-08-25
1955	1955-05-25	1955-08-22
1956	1956-05-31	1956-09-05
1957	1957-04-21	1957-09-13
1958	1958-06-30	1958-09-26
1959	1959-05-12	1959-09-24
1960	1960-06-19	1960-09-08
1961	1961-06-13	1961-09-12
1962	1962-04-27	1962-08-07
1963	1963-06-06	1963-10-07
1964	1964-05-09	1964-08-30
1965	1965-05-10	1965-09-22
1966	1966-06-04	1966-09-02
1968	1968-06-06	1968-08-25
1969	1969-05-29	1969-09-02

Every Fixed Threshold

Fixed thresholds at Greenville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	26	45	1944	18
35 C (95 F): Days	12	9	1949	1
90 F (32.2 C): Days	24	25	1949	8
100 F (37.8 C): Days	1	5	1949	5
0 C (32 F): Ice days (max	26	44	1963	29
0 C (32 F): Frost days (min	27	151	1947	131
-10 C (14 F): Days with min	27	45	1962	22
-20 C (-4 F): Days with min	14	5	1968	5
20 C (68 F): Tropical nights (min	26	18	1955	18
10 mm (0.39 in): Days with 10 mm or more rain	26	44	1948	35
25 mm (0.98 in): Days with 25 mm or more rain	26	22	1945	10
50 mm (1.97 in): Days with 50 mm or more rain	23	6	1955	4
100 mm (3.94 in): Days with 100 mm or more rain	5	2	1954	1
10 cm (3.9 in): Days with 10 cm or more snowfall	7	8	1945	1
25 cm (9.8 in): Days with 25 cm or more snowfall	5	2	1945	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

Data for Greenville 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).

Greenville Threshold Days by Year (USC00373306)

Key Facts for Greenville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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