Monterrosa Weather Records (MXN00020072)

Record envelope, standing records and threshold days for Monterrosa (MXN00020072), Mexico, with 30 years of record.

Key Facts for Monterrosa

Monterrosa (MXN00020072) is a weather station in Mexico at 17.77 latitude and -95.90 longitude, 73 m (239 ft) above sea level.
The station reports from 1955 to 1984, 30 years of record.
1,464 records set at Monterrosa still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 17.77 latitude, -95.90 longitude.
Elevation: 73 m (239 ft).
Period of record: 1955 to 1984, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Monterrosa. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Monterrosa, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.8 C (100.0 F)	6.7 C (44.1 F)	n/a	n/a
Feb	40.0 C (104.0 F)	5.6 C (42.1 F)	n/a	n/a
Mar	43.9 C (111.0 F)	10.6 C (51.1 F)	n/a	n/a
Apr	45.6 C (114.1 F)	10.0 C (50.0 F)	n/a	n/a
May	43.3 C (109.9 F)	10.6 C (51.1 F)	n/a	n/a
Jun	41.7 C (107.1 F)	16.7 C (62.1 F)	n/a	n/a
Jul	39.4 C (102.9 F)	17.8 C (64.0 F)	n/a	n/a
Aug	37.2 C (99.0 F)	18.9 C (66.0 F)	n/a	n/a
Sep	38.9 C (102.0 F)	17.8 C (64.0 F)	n/a	n/a
Oct	38.3 C (100.9 F)	15.0 C (59.0 F)	n/a	n/a
Nov	38.9 C (102.0 F)	10.0 C (50.0 F)	n/a	n/a
Dec	37.2 C (99.0 F)	7.2 C (45.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Monterrosa still stand. 1956 holds the most, with 88.

Standing records at Monterrosa by the year they were set
Year set	Standing records
1955	16
1956	88
1957	60
1958	45
1959	49
1960	51
1961	29
1962	41
1963	41
1964	36
1965	58
1966	49
1967	37
1968	35
1969	87
1970	59
1971	46
1972	53
1973	68
1974	42
1975	75
1976	29
1977	45
1978	57
1979	60
1980	58
1981	37
1982	27
1983	23
1984	63

Wettest Day of Each Month

Jul: 228.9 mm (9.0 in)

The wettest day on record for each calendar month at Monterrosa. The most was 228.9 mm (9.0 in) on 1 July 1968.

Record daily precipitation for each month at Monterrosa
Month	Record daily precipitation (mm)	Date
Jan	50.3 mm (2.0 in)	24 January 1974
Feb	62.2 mm (2.4 in)	6 February 1975
Mar	56.4 mm (2.2 in)	1 March 1982
Apr	151.9 mm (6.0 in)	17 April 1960
May	99.1 mm (3.9 in)	14 May 1982
Jun	174.0 mm (6.9 in)	16 June 1974
Jul	228.9 mm (9.0 in)	1 July 1968
Aug	156.5 mm (6.2 in)	7 August 1976
Sep	226.8 mm (8.9 in)	24 September 1980
Oct	137.2 mm (5.4 in)	24 October 1959
Nov	138.7 mm (5.5 in)	4 November 1980
Dec	56.9 mm (2.2 in)	9 December 1956

Period of Record Coverage

1955 to 1984

30 years of record at Monterrosa, 1955 to 1984. 1 years have data for under 90 percent of days and are left out of rankings: 1955.

Days with data per year at Monterrosa
Year	Days with data	Share of year	Complete
1955	117	32%	No
1956	366	100%	Yes
1957	365	100%	Yes
1958	362	99%	Yes
1959	362	99%	Yes
1960	365	100%	Yes
1961	364	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	364	100%	Yes
1966	362	99%	Yes
1967	363	99%	Yes
1968	366	100%	Yes
1969	362	99%	Yes
1970	365	100%	Yes
1971	359	98%	Yes
1972	362	99%	Yes
1973	363	99%	Yes
1974	363	99%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	364	100%	Yes
1979	365	100%	Yes
1980	362	99%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	335	92%	Yes

Latest Records

No records were set at this station in the latest data.

Climate Trend

27 complete years, 1956 to 1983

One stripe for each of 27 complete years at Monterrosa, 1956 to 1983. Blue stripes are years cooler than the station's own mean of 26.3 C (79.3 F); red stripes are warmer. The coolest year was 1956, at 24.3 C (75.8 F), and the warmest was 1975, at 28.1 C (82.7 F). The strongest colour marks a difference of 2.0 C (3.6 F).

Annual mean temperature at Monterrosa as warming stripes, 1956 to 1983
Year	Annual mean temperature	Difference from the station mean
1956	24.3 C	-1.98 C
1957	25.0 C	-1.33 C
1958	24.8 C	-1.46 C
1959	24.6 C	-1.70 C
1960	24.6 C	-1.72 C
1961	25.5 C	-0.85 C
1962	26.2 C	-0.15 C
1963	26.1 C	-0.24 C
1964	26.2 C	-0.09 C
1965	27.1 C	+0.83 C
1966	26.8 C	+0.47 C
1967	27.1 C	+0.83 C
1969	27.4 C	+1.10 C
1970	26.8 C	+0.52 C
1971	27.4 C	+1.14 C
1972	27.8 C	+1.48 C
1973	27.5 C	+1.20 C
1974	27.6 C	+1.28 C
1975	28.1 C	+1.84 C
1976	27.3 C	+0.96 C
1977	27.6 C	+1.33 C
1978	27.3 C	+1.01 C
1979	26.3 C	-0.02 C
1980	25.3 C	-0.97 C
1981	24.6 C	-1.67 C
1982	25.4 C	-0.95 C
1983	25.3 C	-0.96 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1955 to 1984

Yearly extremes at Monterrosa: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.6 C (114.1 F)	1973	41.7 C (107.1 F)	30
Coldest night (TNn)	5.6 C (42.1 F)	1960	10.6 C (51.1 F)	30
Wettest day (Rx1day)	228.9 mm (9.0 in)	1968	133.5 mm (5.3 in)	30
Wettest five days (Rx5day)	418.4 mm (16.5 in)	1978	248.3 mm (9.8 in)	30
Longest dry spell (CDD)	52 days	1958	30 days	30

Hottest day (TXx)

The hottest day of the year at Monterrosa, 1955 to 1984. The record is 45.6 C (114.1 F) in 1973, marked on the chart; the median year is 41.7 C (107.1 F).

Hottest day (TXx) at Monterrosa by year
Year	Hottest day (TXx)
1955	33.9 C (93.0 F)
1956	37.8 C (100.0 F)
1957	41.1 C (106.0 F)
1958	41.7 C (107.1 F)
1959	36.7 C (98.1 F)
1960	38.9 C (102.0 F)
1961	40.0 C (104.0 F)
1962	41.7 C (107.1 F)
1963	41.1 C (106.0 F)
1964	43.3 C (109.9 F)
1965	42.2 C (108.0 F)
1966	40.0 C (104.0 F)
1967	41.7 C (107.1 F)
1968	41.1 C (106.0 F)
1969	42.8 C (109.0 F)
1970	43.3 C (109.9 F)
1971	43.3 C (109.9 F)
1972	42.2 C (108.0 F)
1973	45.6 C (114.1 F)
1974	42.8 C (109.0 F)
1975	43.3 C (109.9 F)
1976	40.6 C (105.1 F)
1977	40.6 C (105.1 F)
1978	43.3 C (109.9 F)
1979	42.8 C (109.0 F)
1980	43.3 C (109.9 F)
1981	40.6 C (105.1 F)
1982	38.9 C (102.0 F)
1983	41.1 C (106.0 F)
1984	41.7 C (107.1 F)

Coldest night (TNn)

The coldest night of the year at Monterrosa, 1955 to 1984. The record is 5.6 C (42.1 F) in 1960, marked on the chart; the median year is 10.6 C (51.1 F).

Coldest night (TNn) at Monterrosa by year
Year	Coldest night (TNn)
1955	11.7 C (53.1 F)
1956	10.0 C (50.0 F)
1957	8.9 C (48.0 F)
1958	7.8 C (46.0 F)
1959	10.0 C (50.0 F)
1960	5.6 C (42.1 F)
1961	10.0 C (50.0 F)
1962	10.6 C (51.1 F)
1963	7.2 C (45.0 F)
1964	11.1 C (52.0 F)
1965	10.0 C (50.0 F)
1966	11.7 C (53.1 F)
1967	10.0 C (50.0 F)
1968	11.7 C (53.1 F)
1969	15.0 C (59.0 F)
1970	10.0 C (50.0 F)
1971	11.7 C (53.1 F)
1972	13.3 C (55.9 F)
1973	10.0 C (50.0 F)
1974	13.3 C (55.9 F)
1975	16.1 C (61.0 F)
1976	12.8 C (55.0 F)
1977	13.3 C (55.9 F)
1978	14.4 C (57.9 F)
1979	11.1 C (52.0 F)
1980	8.9 C (48.0 F)
1981	10.0 C (50.0 F)
1982	10.6 C (51.1 F)
1983	10.0 C (50.0 F)
1984	11.7 C (53.1 F)

Wettest day (Rx1day)

The wettest day of the year at Monterrosa, 1955 to 1984. The record is 228.9 mm (9.0 in) in 1968, marked on the chart; the median year is 133.5 mm (5.3 in).

Wettest day (Rx1day) at Monterrosa by year
Year	Wettest day (Rx1day)
1955	143.3 mm (5.6 in)
1956	79.0 mm (3.1 in)
1957	91.4 mm (3.6 in)
1958	160.3 mm (6.3 in)
1959	137.2 mm (5.4 in)
1960	151.9 mm (6.0 in)
1961	133.9 mm (5.3 in)
1962	99.8 mm (3.9 in)
1963	110.2 mm (4.3 in)
1964	96.3 mm (3.8 in)
1965	156.5 mm (6.2 in)
1966	132.1 mm (5.2 in)
1967	133.1 mm (5.2 in)
1968	228.9 mm (9.0 in)
1969	150.9 mm (5.9 in)
1970	110.2 mm (4.3 in)
1971	123.7 mm (4.9 in)
1972	112.3 mm (4.4 in)
1973	150.6 mm (5.9 in)
1974	174.0 mm (6.9 in)
1975	112.5 mm (4.4 in)
1976	156.5 mm (6.2 in)
1977	104.4 mm (4.1 in)
1978	170.4 mm (6.7 in)
1979	109.0 mm (4.3 in)
1980	226.8 mm (8.9 in)
1981	159.8 mm (6.3 in)
1982	99.1 mm (3.9 in)
1983	140.2 mm (5.5 in)
1984	102.4 mm (4.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Monterrosa, 1955 to 1984. The record is 418.4 mm (16.5 in) in 1978, marked on the chart; the median year is 248.3 mm (9.8 in).

Wettest five days (Rx5day) at Monterrosa by year
Year	Wettest five days (Rx5day)
1955	372.2 mm (14.7 in)
1956	179.8 mm (7.1 in)
1957	187.5 mm (7.4 in)
1958	409.4 mm (16.1 in)
1959	247.4 mm (9.7 in)
1960	238.7 mm (9.4 in)
1961	293.5 mm (11.6 in)
1962	201.7 mm (7.9 in)
1963	315.3 mm (12.4 in)
1964	212.8 mm (8.4 in)
1965	281.2 mm (11.1 in)
1966	249.2 mm (9.8 in)
1967	224.6 mm (8.8 in)
1968	341.0 mm (13.4 in)
1969	351.6 mm (13.8 in)
1970	229.2 mm (9.0 in)
1971	186.2 mm (7.3 in)
1972	218.6 mm (8.6 in)
1973	235.3 mm (9.3 in)
1974	362.7 mm (14.3 in)
1975	229.3 mm (9.0 in)
1976	285.8 mm (11.3 in)
1977	233.4 mm (9.2 in)
1978	418.4 mm (16.5 in)
1979	271.4 mm (10.7 in)
1980	337.6 mm (13.3 in)
1981	417.9 mm (16.5 in)
1982	217.9 mm (8.6 in)
1983	228.8 mm (9.0 in)
1984	262.4 mm (10.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Monterrosa, 1955 to 1984. The record is 52 days in 1958, marked on the chart; the median year is 30 days.

Longest dry spell (CDD) at Monterrosa by year
Year	Longest dry spell (CDD)
1955	11 days
1956	17 days
1957	30 days
1958	52 days
1959	14 days
1960	25 days
1961	40 days
1962	33 days
1963	43 days
1964	39 days
1965	33 days
1966	19 days
1967	33 days
1968	17 days
1969	20 days
1970	33 days
1971	24 days
1972	26 days
1973	35 days
1974	23 days
1975	29 days
1976	45 days
1977	28 days
1978	33 days
1979	23 days
1980	17 days
1981	41 days
1982	33 days
1983	39 days
1984	23 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Monterrosa standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Monterrosa 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).