Built 2026-10-19 (19 October 2026)

Castaos (Smn) Threshold Days by Year (MXN00005052)

13 fixed thresholds counted per year at Castaos (Smn) (MXN00005052): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Castaos (Smn) Thresholds

  • Castaos (Smn): days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1950 with 267.
  • Castaos (Smn): days with a maximum temperature at or above 35 C (95 F) in 18 years, most in 1945 with 158.
  • Castaos (Smn): days with a maximum temperature at or above 90 F (32.2 C) in 18 years, most in 1945 with 188.
  • Castaos (Smn): nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 1953 with 59.
  • 13 fixed thresholds have at least one qualifying day at Castaos (Smn).
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Castaos (Smn) Days per year at Castaos (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 267 in 1950. 01002003001945: 2311946: 2141947: 2241948: 2061949: 1781950: 2671951: 1971953: 2301954: 1931955: 1941956: 1851957: 1441958: 1621959: 1541960: 1862007: 1632008: 1882010: 165194519471949195119541956195819602008
Days per year at Castaos (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 267 in 1950.
Days at or above 30 C (86 F) per year at Castaos (Smn)
YearDaysDecade average
1945231210.6
1946214210.6
1947224210.6
1948206210.6
1949178210.6
1950267191.8
1951197191.8
1953230191.8
1954193191.8
1955194191.8
1956185191.8
1957144191.8
1958162191.8
1959154191.8
1960186186
2007163175.5
2008188175.5
2010165165
First to last qualifying date each year at Castaos (Smn) For each year, a bar from the first to the last day at Castaos (Smn) meeting 30 C (86 F). 1945: 9 February 1945 to 30 December 19451946: 4 January 1946 to 28 December 19461947: 13 January 1947 to 31 December 19471948: 9 January 1948 to 31 December 19481949: 3 January 1949 to 21 December 19491950: 2 January 1950 to 20 December 19501951: 1 January 1951 to 25 October 19511953: 7 January 1953 to 6 December 19531954: 11 February 1954 to 27 November 19541955: 19 February 1955 to 8 December 19551956: 27 January 1956 to 20 November 19561957: 9 January 1957 to 15 October 19571958: 22 March 1958 to 17 November 19581959: 19 January 1959 to 14 December 19591960: 1 January 1960 to 26 November 19602007: 24 February 2007 to 22 December 20072008: 7 January 2008 to 28 December 20082010: 22 January 2010 to 24 November 2010194519481951195519582007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Castaos (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Castaos (Smn)
YearFirst dateLast date
19451945-02-091945-12-30
19461946-01-041946-12-28
19471947-01-131947-12-31
19481948-01-091948-12-31
19491949-01-031949-12-21
19501950-01-021950-12-20
19511951-01-011951-10-25
19531953-01-071953-12-06
19541954-02-111954-11-27
19551955-02-191955-12-08
19561956-01-271956-11-20
19571957-01-091957-10-15
19581958-03-221958-11-17
19591959-01-191959-12-14
19601960-01-011960-11-26
20072007-02-242007-12-22
20082008-01-072008-12-28
20102010-01-222010-11-24

Every Fixed Threshold

Fixed thresholds at Castaos (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days182671950165
35 C (95 F): Days18158194595
40 C (104 F): Days1523194514
90 F (32.2 C): Days181881945132
100 F (37.8 C): Days1679195352
110 F (43.3 C): Days1219452
0 C (32 F): Ice days (max1119481
0 C (32 F): Frost days (min1859195327
20 C (68 F): Tropical nights (min1712319589
25 C (77 F): Days with min71219532
10 mm (0.39 in): Days with 10 mm or more rain1518195818
25 mm (0.98 in): Days with 25 mm or more rain13719552
50 mm (1.97 in): Days with 50 mm or more rain4219491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Castaos (Smn) 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 . Last revised (2025-12-31).