San Juan de Los Llanos Threshold Days by Year (MXN00011067)
11 fixed thresholds counted per year at San Juan de Los Llanos (MXN00011067): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Juan de Los Llanos Thresholds
- San Juan de Los Llanos: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1971 with 37.
- San Juan de Los Llanos: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 1929 with 189.
- San Juan de Los Llanos: nights with a minimum temperature at or below 0 C (32 F) in 57 years, most in 1973 with 50.
- San Juan de Los Llanos: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1971 with 12.
- 11 fixed thresholds have at least one qualifying day at San Juan de Los Llanos.
Days at or above 30 C (86 F)
57 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1925 | 166 | 151 |
| 1926 | 108 | 151 |
| 1927 | 141 | 151 |
| 1929 | 189 | 151 |
| 1930 | 179 | 73.9 |
| 1931 | 134 | 73.9 |
| 1932 | 115 | 73.9 |
| 1933 | 73 | 73.9 |
| 1934 | 30 | 73.9 |
| 1935 | 27 | 73.9 |
| 1936 | 44 | 73.9 |
| 1937 | 63 | 73.9 |
| 1938 | 40 | 73.9 |
| 1939 | 34 | 73.9 |
| 1940 | 55 | 27.9 |
| 1941 | 5 | 27.9 |
| 1942 | 29 | 27.9 |
| 1943 | 9 | 27.9 |
| 1945 | 71 | 27.9 |
| 1946 | 31 | 27.9 |
| 1947 | 8 | 27.9 |
| 1948 | 25 | 27.9 |
| 1949 | 18 | 27.9 |
| 1950 | 19 | 35.8 |
| 1951 | 30 | 35.8 |
| 1952 | 25 | 35.8 |
| 1953 | 56 | 35.8 |
| 1954 | 47 | 35.8 |
| 1955 | 93 | 35.8 |
| 1956 | 27 | 35.8 |
| 1957 | 28 | 35.8 |
| 1958 | 25 | 35.8 |
| 1959 | 8 | 35.8 |
| 1961 | 39 | 44.2 |
| 1962 | 86 | 44.2 |
| 1963 | 46 | 44.2 |
| 1964 | 45 | 44.2 |
| 1965 | 32 | 44.2 |
| 1966 | 17 | 44.2 |
| 1970 | 44 | 29.8 |
| 1971 | 28 | 29.8 |
| 1972 | 62 | 29.8 |
| 1973 | 35 | 29.8 |
| 1974 | 18 | 29.8 |
| 1975 | 33 | 29.8 |
| 1976 | 11 | 29.8 |
| 1978 | 7 | 29.8 |
| 1980 | 14 | 39.2 |
| 1981 | 3 | 39.2 |
| 1982 | 16 | 39.2 |
| 1983 | 27 | 39.2 |
| 1984 | 8 | 39.2 |
| 1985 | 13 | 39.2 |
| 1986 | 84 | 39.2 |
| 1987 | 118 | 39.2 |
| 1988 | 97 | 39.2 |
| 1989 | 12 | 39.2 |
| Year | First date | Last date |
|---|---|---|
| 1925 | 1925-01-07 | 1925-11-08 |
| 1926 | 1926-02-05 | 1926-12-20 |
| 1927 | 1927-01-23 | 1927-12-03 |
| 1929 | 1929-01-09 | 1929-12-28 |
| 1930 | 1930-01-06 | 1930-12-27 |
| 1931 | 1931-02-06 | 1931-12-31 |
| 1932 | 1932-01-01 | 1932-09-22 |
| 1933 | 1933-03-11 | 1933-08-04 |
| 1934 | 1934-04-07 | 1934-07-27 |
| 1935 | 1935-03-23 | 1935-10-21 |
| 1936 | 1936-03-19 | 1936-08-09 |
| 1937 | 1937-03-25 | 1937-08-31 |
| 1938 | 1938-04-20 | 1938-08-16 |
| 1939 | 1939-03-30 | 1939-06-29 |
| 1940 | 1940-02-28 | 1940-09-24 |
| 1941 | 1941-04-01 | 1941-04-16 |
| 1942 | 1942-04-03 | 1942-05-31 |
| 1943 | 1943-05-12 | 1943-05-30 |
| 1945 | 1945-03-02 | 1945-10-14 |
| 1946 | 1946-03-17 | 1946-10-13 |
| 1947 | 1947-01-23 | 1947-05-17 |
| 1948 | 1948-03-19 | 1948-09-14 |
| 1949 | 1949-03-23 | 1949-06-08 |
| 1950 | 1950-03-19 | 1950-08-21 |
| 1951 | 1951-04-10 | 1951-06-19 |
| 1952 | 1952-04-13 | 1952-12-10 |
| 1953 | 1953-03-12 | 1953-12-27 |
| 1954 | 1954-02-28 | 1954-10-26 |
| 1955 | 1955-01-04 | 1955-12-17 |
| 1956 | 1956-01-28 | 1956-11-15 |
| 1957 | 1957-05-22 | 1957-08-05 |
| 1958 | 1958-04-17 | 1958-05-26 |
| 1959 | 1959-04-29 | 1959-06-02 |
| 1961 | 1961-04-14 | 1961-11-16 |
| 1962 | 1962-03-18 | 1962-08-28 |
| 1963 | 1963-03-01 | 1963-06-13 |
| 1964 | 1964-04-01 | 1964-08-21 |
| 1965 | 1965-03-10 | 1965-06-27 |
| 1966 | 1966-04-24 | 1966-06-09 |
| 1970 | 1970-04-12 | 1970-06-17 |
| 1971 | 1971-01-17 | 1971-06-29 |
| 1972 | 1972-04-01 | 1972-06-29 |
| 1973 | 1973-04-26 | 1973-06-30 |
| 1974 | 1974-04-14 | 1974-06-09 |
| 1975 | 1975-04-02 | 1975-06-16 |
| 1976 | 1976-03-13 | 1976-06-08 |
| 1978 | 1978-04-17 | 1978-05-13 |
| 1980 | 1980-05-18 | 1980-07-18 |
| 1981 | 1981-05-13 | 1981-06-09 |
| 1982 | 1982-04-01 | 1982-06-19 |
| 1983 | 1983-04-30 | 1983-06-21 |
| 1984 | 1984-04-30 | 1984-06-29 |
| 1985 | 1985-05-13 | 1985-11-30 |
| 1986 | 1986-01-03 | 1986-10-15 |
| 1987 | 1987-02-16 | 1987-11-01 |
| 1988 | 1988-03-14 | 1988-08-14 |
| 1989 | 1989-05-19 | 1989-07-18 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 57 | 189 | 1929 | 12 |
| 35 C (95 F): Days | 29 | 57 | 1932 | 18 |
| 40 C (104 F): Days | 2 | 14 | 1932 | 1 |
| 90 F (32.2 C): Days | 48 | 117 | 1929 | 1 |
| 100 F (37.8 C): Days | 13 | 29 | 1932 | 1 |
| 0 C (32 F): Frost days (min | 57 | 50 | 1973 | 14 |
| -10 C (14 F): Days with min | 1 | 1 | 1976 | 1 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1956 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 59 | 37 | 1971 | 5 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 51 | 12 | 1971 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 17 | 2 | 1927 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.
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 (2025-12-31).