San Jeronimo Threshold Days by Year
11 fixed thresholds counted per year at San Jeronimo (MXN00007146): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Jeronimo Thresholds
- San Jeronimo: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1981 with 155.
- San Jeronimo: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1981 with 97.
- San Jeronimo: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 2010 with 49.
- San Jeronimo: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 1987 with 365.
- 11 fixed thresholds have at least one qualifying day at San Jeronimo.
Days at or above 30 C (86 F)
54 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1953 | 70 | 53.6 |
| 1954 | 50 | 53.6 |
| 1955 | 27 | 53.6 |
| 1956 | 13 | 53.6 |
| 1957 | 35 | 53.6 |
| 1958 | 95 | 53.6 |
| 1959 | 85 | 53.6 |
| 1960 | 66 | 110.3 |
| 1961 | 50 | 110.3 |
| 1962 | 42 | 110.3 |
| 1963 | 19 | 110.3 |
| 1966 | 314 | 110.3 |
| 1967 | 163 | 110.3 |
| 1968 | 118 | 110.3 |
| 1970 | 350 | 356.7 |
| 1971 | 356 | 356.7 |
| 1972 | 355 | 356.7 |
| 1973 | 360 | 356.7 |
| 1974 | 358 | 356.7 |
| 1975 | 364 | 356.7 |
| 1976 | 364 | 356.7 |
| 1977 | 363 | 356.7 |
| 1978 | 363 | 356.7 |
| 1979 | 334 | 356.7 |
| 1980 | 364 | 359.1 |
| 1981 | 362 | 359.1 |
| 1982 | 364 | 359.1 |
| 1983 | 361 | 359.1 |
| 1984 | 356 | 359.1 |
| 1985 | 363 | 359.1 |
| 1986 | 364 | 359.1 |
| 1987 | 365 | 359.1 |
| 1988 | 334 | 359.1 |
| 1989 | 358 | 359.1 |
| 1990 | 365 | 318.6 |
| 1991 | 337 | 318.6 |
| 1992 | 333 | 318.6 |
| 1993 | 335 | 318.6 |
| 1994 | 363 | 318.6 |
| 1995 | 319 | 318.6 |
| 1996 | 321 | 318.6 |
| 1997 | 303 | 318.6 |
| 1998 | 236 | 318.6 |
| 1999 | 274 | 318.6 |
| 2000 | 339 | 306.4 |
| 2001 | 338 | 306.4 |
| 2002 | 328 | 306.4 |
| 2003 | 351 | 306.4 |
| 2005 | 257 | 306.4 |
| 2006 | 274 | 306.4 |
| 2007 | 290 | 306.4 |
| 2008 | 243 | 306.4 |
| 2009 | 338 | 306.4 |
| 2010 | 290 | 290 |
| Year | First date | Last date |
|---|---|---|
| 1953 | 1953-01-02 | 1953-12-05 |
| 1954 | 1954-01-01 | 1954-08-09 |
| 1955 | 1955-01-11 | 1955-05-21 |
| 1956 | 1956-03-02 | 1956-08-09 |
| 1957 | 1957-01-30 | 1957-12-26 |
| 1958 | 1958-01-01 | 1958-12-26 |
| 1959 | 1959-01-12 | 1959-08-21 |
| 1960 | 1960-01-12 | 1960-12-30 |
| 1961 | 1961-01-07 | 1961-12-10 |
| 1962 | 1962-01-15 | 1962-08-11 |
| 1963 | 1963-01-31 | 1963-12-14 |
| 1966 | 1966-01-06 | 1966-12-30 |
| 1967 | 1967-01-02 | 1967-12-29 |
| 1968 | 1968-01-01 | 1968-12-31 |
| 1970 | 1970-01-01 | 1970-12-31 |
| 1971 | 1971-01-01 | 1971-12-31 |
| 1972 | 1972-01-01 | 1972-12-31 |
| 1973 | 1973-01-01 | 1973-12-31 |
| 1974 | 1974-01-01 | 1974-12-31 |
| 1975 | 1975-01-01 | 1975-12-31 |
| 1976 | 1976-01-01 | 1976-12-31 |
| 1977 | 1977-01-01 | 1977-12-31 |
| 1978 | 1978-01-01 | 1978-12-31 |
| 1979 | 1979-01-01 | 1979-12-31 |
| 1980 | 1980-01-01 | 1980-12-31 |
| 1981 | 1981-01-01 | 1981-12-31 |
| 1982 | 1982-01-01 | 1982-12-31 |
| 1983 | 1983-01-01 | 1983-12-31 |
| 1984 | 1984-01-01 | 1984-12-31 |
| 1985 | 1985-01-01 | 1985-12-31 |
| 1986 | 1986-01-01 | 1986-12-31 |
| 1987 | 1987-01-01 | 1987-12-31 |
| 1988 | 1988-01-01 | 1988-12-31 |
| 1989 | 1989-01-01 | 1989-12-31 |
| 1990 | 1990-01-01 | 1990-12-31 |
| 1991 | 1991-01-01 | 1991-12-31 |
| 1992 | 1992-01-01 | 1992-11-30 |
| 1993 | 1993-01-01 | 1993-12-31 |
| 1994 | 1994-01-01 | 1994-12-31 |
| 1995 | 1995-01-01 | 1995-12-20 |
| 1996 | 1996-01-11 | 1996-12-31 |
| 1997 | 1997-01-02 | 1997-12-31 |
| 1998 | 1998-01-01 | 1998-12-30 |
| 1999 | 1999-01-01 | 1999-12-31 |
| 2000 | 2000-01-01 | 2000-12-31 |
| 2001 | 2001-01-01 | 2001-12-31 |
| 2002 | 2002-01-01 | 2002-12-31 |
| 2003 | 2003-01-01 | 2003-12-31 |
| 2005 | 2005-01-01 | 2005-12-31 |
| 2006 | 2006-01-01 | 2006-12-31 |
| 2007 | 2007-01-01 | 2007-12-31 |
| 2008 | 2008-01-01 | 2008-12-31 |
| 2009 | 2009-01-01 | 2009-12-31 |
| 2010 | 2010-01-01 | 2010-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 54 | 365 | 1987 | 290 |
| 35 C (95 F): Days | 37 | 191 | 1980 | 1 |
| 90 F (32.2 C): Days | 46 | 346 | 1980 | 9 |
| 100 F (37.8 C): Days | 14 | 42 | 1970 | 3 |
| 20 C (68 F): Tropical nights (min | 47 | 271 | 1956 | 1 |
| 25 C (77 F): Days with min | 1 | 68 | 1966 | 68 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 58 | 155 | 1981 | 150 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 58 | 97 | 1981 | 97 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 57 | 49 | 2010 | 49 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 31 | 10 | 2005 | 4 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 3 | 3 | 2005 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.
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).