Ulleungdo Threshold Days by Year (KS000047115)
14 fixed thresholds counted per year at Ulleungdo (KS000047115): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Ulleungdo Thresholds
- Ulleungdo: days with a maximum temperature at or below 0 C (32 F) in 74 years, most in 1945 with 33.
- Ulleungdo: days with a maximum temperature at or above 30 C (86 F) in 69 years, most in 2025 with 34.
- Ulleungdo: nights with a minimum temperature at or below 0 C (32 F) in 63 years, most in 1947 with 92.
- Ulleungdo: nights with a minimum temperature at or above 20 C (68 F) in 63 years, most in 2025 with 90.
- 14 fixed thresholds have at least one qualifying day at Ulleungdo.
Days at or above 30 C (86 F)
69 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1939 | 21 | 21 |
| 1940 | 1 | 9.3 |
| 1942 | 20 | 9.3 |
| 1943 | 5 | 9.3 |
| 1944 | 15 | 9.3 |
| 1945 | 4 | 9.3 |
| 1946 | 8 | 9.3 |
| 1947 | 8 | 9.3 |
| 1949 | 13 | 9.3 |
| 1950 | 11 | 7.3 |
| 1951 | 22 | 7.3 |
| 1952 | 1 | 7.3 |
| 1953 | 6 | 7.3 |
| 1954 | 3 | 7.3 |
| 1955 | 2 | 7.3 |
| 1956 | 13 | 7.3 |
| 1958 | 1 | 7.3 |
| 1959 | 7 | 7.3 |
| 1960 | 14 | 9.9 |
| 1961 | 13 | 9.9 |
| 1962 | 5 | 9.9 |
| 1963 | 1 | 9.9 |
| 1964 | 12 | 9.9 |
| 1965 | 1 | 9.9 |
| 1966 | 10 | 9.9 |
| 1967 | 25 | 9.9 |
| 1968 | 4 | 9.9 |
| 1969 | 14 | 9.9 |
| 1970 | 3 | 8.9 |
| 1971 | 10 | 8.9 |
| 1972 | 5 | 8.9 |
| 1973 | 20 | 8.9 |
| 1974 | 4 | 8.9 |
| 1975 | 13 | 8.9 |
| 1977 | 8 | 8.9 |
| 1978 | 15 | 8.9 |
| 1979 | 2 | 8.9 |
| 1981 | 6 | 7.4 |
| 1982 | 5 | 7.4 |
| 1983 | 13 | 7.4 |
| 1984 | 8 | 7.4 |
| 1985 | 21 | 7.4 |
| 1986 | 5 | 7.4 |
| 1987 | 1 | 7.4 |
| 1988 | 4 | 7.4 |
| 1989 | 4 | 7.4 |
| 1990 | 15 | 11.1 |
| 1991 | 1 | 11.1 |
| 1992 | 10 | 11.1 |
| 1994 | 33 | 11.1 |
| 1995 | 15 | 11.1 |
| 1996 | 19 | 11.1 |
| 1997 | 4 | 11.1 |
| 1998 | 2 | 11.1 |
| 1999 | 1 | 11.1 |
| 2000 | 8 | 7.5 |
| 2001 | 10 | 7.5 |
| 2004 | 12 | 7.5 |
| 2007 | 9 | 7.5 |
| 2008 | 5 | 7.5 |
| 2009 | 1 | 7.5 |
| 2010 | 16 | 10.5 |
| 2011 | 3 | 10.5 |
| 2012 | 10 | 10.5 |
| 2013 | 19 | 10.5 |
| 2014 | 5 | 10.5 |
| 2015 | 10 | 10.5 |
| 2025 | 34 | 27 |
| 2026 | 20 | 27 |
| Year | First date | Last date |
|---|---|---|
| 1939 | 1939-07-07 | 1939-09-07 |
| 1940 | 1940-08-20 | 1940-08-20 |
| 1942 | 1942-07-09 | 1942-08-24 |
| 1943 | 1943-08-09 | 1943-08-24 |
| 1944 | 1944-07-16 | 1944-09-01 |
| 1945 | 1945-08-09 | 1945-08-21 |
| 1946 | 1946-07-12 | 1946-08-23 |
| 1947 | 1947-08-12 | 1947-08-26 |
| 1949 | 1949-08-04 | 1949-08-25 |
| 1950 | 1950-08-09 | 1950-08-22 |
| 1951 | 1951-07-23 | 1951-08-26 |
| 1952 | 1952-07-25 | 1952-07-25 |
| 1953 | 1953-07-28 | 1953-08-23 |
| 1954 | 1954-08-08 | 1954-08-24 |
| 1955 | 1955-08-18 | 1955-08-19 |
| 1956 | 1956-07-22 | 1956-08-12 |
| 1958 | 1958-07-20 | 1958-07-20 |
| 1959 | 1959-07-24 | 1959-08-29 |
| 1960 | 1960-07-13 | 1960-08-24 |
| 1961 | 1961-07-15 | 1961-08-25 |
| 1962 | 1962-07-24 | 1962-08-10 |
| 1963 | 1963-07-14 | 1963-07-14 |
| 1964 | 1964-08-01 | 1964-08-19 |
| 1965 | 1965-07-31 | 1965-07-31 |
| 1966 | 1966-07-29 | 1966-08-28 |
| 1967 | 1967-07-15 | 1967-08-28 |
| 1968 | 1968-07-21 | 1968-07-24 |
| 1969 | 1969-07-24 | 1969-08-28 |
| 1970 | 1970-07-24 | 1970-08-04 |
| 1971 | 1971-07-05 | 1971-08-14 |
| 1972 | 1972-07-19 | 1972-08-17 |
| 1973 | 1973-07-15 | 1973-08-28 |
| 1974 | 1974-08-04 | 1974-08-12 |
| 1975 | 1975-07-20 | 1975-09-06 |
| 1977 | 1977-07-02 | 1977-08-03 |
| 1978 | 1978-07-06 | 1978-08-28 |
| 1979 | 1979-07-30 | 1979-07-31 |
| 1981 | 1981-07-17 | 1981-08-03 |
| 1982 | 1982-06-12 | 1982-08-10 |
| 1983 | 1983-07-27 | 1983-08-31 |
| 1984 | 1984-08-04 | 1984-08-12 |
| 1985 | 1985-07-23 | 1985-09-05 |
| 1986 | 1986-07-27 | 1986-08-02 |
| 1987 | 1987-06-05 | 1987-06-05 |
| 1988 | 1988-08-06 | 1988-08-09 |
| 1989 | 1989-07-19 | 1989-08-12 |
| 1990 | 1990-07-09 | 1990-09-01 |
| 1991 | 1991-07-21 | 1991-07-21 |
| 1992 | 1992-07-08 | 1992-08-28 |
| 1994 | 1994-07-06 | 1994-09-03 |
| 1995 | 1995-07-28 | 1995-08-26 |
| 1996 | 1996-07-19 | 1996-08-21 |
| 1997 | 1997-07-21 | 1997-09-01 |
| 1998 | 1998-08-13 | 1998-08-14 |
| 1999 | 1999-08-09 | 1999-08-09 |
| 2000 | 2000-07-13 | 2000-08-24 |
| 2001 | 2001-07-03 | 2001-08-24 |
| 2004 | 2004-07-22 | 2004-08-13 |
| 2007 | 2007-06-17 | 2007-08-26 |
| 2008 | 2008-07-07 | 2008-08-12 |
| 2009 | 2009-06-26 | 2009-06-26 |
| 2010 | 2010-07-24 | 2010-09-05 |
| 2011 | 2011-08-07 | 2011-08-15 |
| 2012 | 2012-07-24 | 2012-08-06 |
| 2013 | 2013-07-11 | 2013-08-20 |
| 2014 | 2014-06-01 | 2014-08-06 |
| 2015 | 2015-07-28 | 2015-08-07 |
| 2025 | 2025-06-30 | 2025-09-06 |
| 2026 | 2026-07-12 | 2026-08-25 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 69 | 34 | 2025 | 20 |
| 35 C (95 F): Days | 4 | 2 | 2013 | 1 |
| 90 F (32.2 C): Days | 33 | 10 | 1942 | 6 |
| 100 F (37.8 C): Days | 1 | 1 | 2007 | 1 |
| 0 C (32 F): Ice days (max | 74 | 33 | 1945 | 9 |
| 0 C (32 F): Frost days (min | 63 | 92 | 1947 | 29 |
| -10 C (14 F): Days with min | 13 | 2 | 1943 | 2 |
| 20 C (68 F): Tropical nights (min | 63 | 90 | 2025 | 85 |
| 25 C (77 F): Days with min | 39 | 38 | 2025 | 24 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 62 | 66 | 1959 | 26 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 62 | 22 | 1953 | 21 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 60 | 11 | 1999 | 15 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 21 | 3 | 1945 | 12 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 3 | 1 | 1960 | 8 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.
Download the Data
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 . Last revised (2026-10-17).