San Juan del Mezquital Threshold Days by Year (MXN00010046)
11 fixed thresholds counted per year at San Juan del Mezquital (MXN00010046): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Juan del Mezquital Thresholds
- San Juan del Mezquital: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1943 with 28.
- San Juan del Mezquital: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1981 with 9.
- San Juan del Mezquital: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1971 with 251.
- San Juan del Mezquital: days with a maximum temperature at or above 90 F (32.2 C) in 20 years, most in 1972 with 168.
- 11 fixed thresholds have at least one qualifying day at San Juan del Mezquital.
Days at or above 30 C (86 F)
20 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1958 | 124 | 128.5 |
| 1959 | 133 | 128.5 |
| 1960 | 222 | 222 |
| 1970 | 238 | 221 |
| 1971 | 251 | 221 |
| 1972 | 242 | 221 |
| 1974 | 242 | 221 |
| 1975 | 233 | 221 |
| 1976 | 214 | 221 |
| 1977 | 227 | 221 |
| 1978 | 198 | 221 |
| 1979 | 144 | 221 |
| 1980 | 104 | 116.9 |
| 1981 | 20 | 116.9 |
| 1982 | 80 | 116.9 |
| 1983 | 61 | 116.9 |
| 1984 | 140 | 116.9 |
| 1988 | 213 | 116.9 |
| 1989 | 200 | 116.9 |
| 1990 | 131 | 131 |
| Year | First date | Last date |
|---|---|---|
| 1958 | 1958-04-04 | 1958-10-25 |
| 1959 | 1959-02-17 | 1959-12-10 |
| 1960 | 1960-01-27 | 1960-11-24 |
| 1970 | 1970-01-23 | 1970-12-31 |
| 1971 | 1971-01-15 | 1971-12-28 |
| 1972 | 1972-01-25 | 1972-12-24 |
| 1974 | 1974-01-12 | 1974-12-16 |
| 1975 | 1975-01-26 | 1975-12-08 |
| 1976 | 1976-01-07 | 1976-11-09 |
| 1977 | 1977-02-18 | 1977-12-27 |
| 1978 | 1978-01-27 | 1978-12-16 |
| 1979 | 1979-03-14 | 1979-11-07 |
| 1980 | 1980-03-09 | 1980-09-24 |
| 1981 | 1981-04-12 | 1981-06-13 |
| 1982 | 1982-04-06 | 1982-10-08 |
| 1983 | 1983-04-30 | 1983-11-03 |
| 1984 | 1984-03-30 | 1984-12-26 |
| 1988 | 1988-02-02 | 1988-12-04 |
| 1989 | 1989-01-15 | 1989-11-16 |
| 1990 | 1990-03-06 | 1990-11-25 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 20 | 251 | 1971 | 131 |
| 35 C (95 F): Days | 19 | 105 | 1972 | 45 |
| 40 C (104 F): Days | 10 | 11 | 1974 | 2 |
| 90 F (32.2 C): Days | 20 | 168 | 1972 | 74 |
| 100 F (37.8 C): Days | 16 | 36 | 1974 | 14 |
| 0 C (32 F): Frost days (min | 20 | 49 | 1982 | 16 |
| 20 C (68 F): Tropical nights (min | 14 | 86 | 1958 | 17 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 36 | 28 | 1943 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 31 | 9 | 1981 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 1 | 1943 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1943 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.
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).