Manteo Threshold Days by Year (USC00315300)

14 fixed thresholds counted per year at Manteo (USC00315300): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Manteo Thresholds

Manteo: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1945 with 89.
Manteo: days with a maximum temperature at or above 90 F (32.2 C) in 34 years, most in 1943 with 49.
Manteo: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1958 with 60.
Manteo: nights with a minimum temperature at or above 20 C (68 F) in 34 years, most in 1939 with 119.
14 fixed thresholds have at least one qualifying day at Manteo.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Manteo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 89 in 1945.

Days at or above 30 C (86 F) per year at Manteo
Year	Days	Decade average
1930	56	55.4
1931	72	55.4
1932	55	55.4
1933	64	55.4
1934	55	55.4
1935	35	55.4
1936	46	55.4
1937	52	55.4
1938	56	55.4
1939	63	55.4
1940	47	65.6
1941	71	65.6
1942	76	65.6
1943	72	65.6
1944	70	65.6
1945	89	65.6
1946	50	65.6
1947	67	65.6
1948	53	65.6
1949	61	65.6
1950	52	63.1
1951	57	63.1
1952	80	63.1
1953	65	63.1
1954	75	63.1
1955	54	63.1
1956	61	63.1
1957	72	63.1
1958	52	63.1
1959	63	63.1
1960	55	51
1961	47	51
1962	63	51
1963	39	51

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

First to last qualifying date each year at Manteo
Year	First date	Last date
1930	1930-05-02	1930-09-26
1931	1931-06-20	1931-10-09
1932	1932-06-05	1932-09-07
1933	1933-05-14	1933-09-28
1934	1934-06-10	1934-09-11
1935	1935-06-17	1935-09-05
1936	1936-05-24	1936-09-13
1937	1937-05-27	1937-09-03
1938	1938-06-07	1938-09-20
1939	1939-05-23	1939-10-10
1940	1940-05-14	1940-09-25
1941	1941-04-14	1941-10-14
1942	1942-04-17	1942-09-20
1943	1943-05-08	1943-09-09
1944	1944-05-05	1944-09-21
1945	1945-03-17	1945-09-29
1946	1946-04-23	1946-09-10
1947	1947-05-01	1947-10-23
1948	1948-03-21	1948-09-20
1949	1949-05-06	1949-09-19
1950	1950-04-26	1950-09-21
1951	1951-06-02	1951-10-07
1952	1952-04-23	1952-09-19
1953	1953-05-05	1953-09-20
1954	1954-04-15	1954-09-21
1955	1955-05-26	1955-09-27
1956	1956-05-13	1956-09-16
1957	1957-04-21	1957-09-22
1958	1958-06-09	1958-09-17
1959	1959-05-22	1959-11-06
1960	1960-04-24	1960-09-20
1961	1961-04-24	1961-09-27
1962	1962-05-06	1962-10-12
1963	1963-05-10	1963-09-11

Every Fixed Threshold

Fixed thresholds at Manteo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	89	1945	39
35 C (95 F): Days	28	17	1952	1
90 F (32.2 C): Days	34	49	1943	18
100 F (37.8 C): Days	3	3	1952	3
0 C (32 F): Ice days (max	18	7	1936	3
0 C (32 F): Frost days (min	34	60	1958	60
-10 C (14 F): Days with min	8	4	1940	2
20 C (68 F): Tropical nights (min	34	119	1939	38
25 C (77 F): Days with min	30	8	1952	2
10 mm (0.39 in): Days with 10 mm or more rain	32	56	1958	41
25 mm (0.98 in): Days with 25 mm or more rain	32	21	1958	17
50 mm (1.97 in): Days with 50 mm or more rain	30	8	1958	7
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1946	1
10 cm (3.9 in): Days with 10 cm or more snowfall	5	2	1936	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1930.

Download the Data

Data for Manteo 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).

Manteo Threshold Days by Year (USC00315300)

Key Facts for Manteo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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