Rio Grande Weather Records (ARM00087934)

Record envelope, standing records and threshold days for Rio Grande (ARM00087934), Argentina, with 53 years of record.

Key Facts for Rio Grande

Rio Grande (ARM00087934) is a weather station in Argentina at -53.78 latitude and -67.75 longitude, 20 m (65 ft) above sea level.
The station reports from 1973 to 2025, 53 years of record.
1,464 records set at Rio Grande still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Argentina, -53.78 latitude, -67.75 longitude.
Elevation: 20 m (65 ft).
Period of record: 1973 to 2025, 53 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 Rio Grande. 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 Rio Grande, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	24.8 C (76.6 F)	-5.0 C (23.0 F)	n/a	n/a
Feb	30.8 C (87.4 F)	-4.0 C (24.8 F)	n/a	n/a
Mar	25.0 C (77.0 F)	-6.0 C (21.2 F)	n/a	n/a
Apr	21.0 C (69.8 F)	-10.0 C (14.0 F)	n/a	n/a
May	15.5 C (59.9 F)	-11.3 C (11.7 F)	n/a	n/a
Jun	16.0 C (60.8 F)	-16.0 C (3.2 F)	n/a	n/a
Jul	13.0 C (55.4 F)	-22.4 C (-8.3 F)	n/a	n/a
Aug	20.0 C (68.0 F)	-11.7 C (10.9 F)	n/a	n/a
Sep	22.0 C (71.6 F)	-7.1 C (19.2 F)	n/a	n/a
Oct	20.0 C (68.0 F)	-6.0 C (21.2 F)	n/a	n/a
Nov	23.6 C (74.5 F)	-4.0 C (24.8 F)	n/a	n/a
Dec	25.0 C (77.0 F)	-2.2 C (28.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Rio Grande still stand. 2021 holds the most, with 113.

Standing records at Rio Grande by the year they were set
Year set	Standing records
1975	6
1976	2
1977	40
1978	40
1979	84
1980	92
1981	71
1982	29
1983	42
1984	70
1985	1
1986	4
1987	52
1988	107
1989	66
1990	58
1991	30
2008	4
2009	1
2017	1
2018	68
2019	98
2020	105
2021	113
2022	74
2023	79
2024	90
2025	37

Wettest Day of Each Month

Jan: 95.0 mm (3.7 in)

The wettest day on record for each calendar month at Rio Grande. The most was 95.0 mm (3.7 in) on 31 January 1987.

Record daily precipitation for each month at Rio Grande
Month	Record daily precipitation (mm)	Date
Jan	95.0 mm (3.7 in)	31 January 1987
Feb	52.1 mm (2.1 in)	1 February 1987
Mar	43.9 mm (1.7 in)	14 March 1990
Apr	35.1 mm (1.4 in)	26 April 2024
May	51.1 mm (2.0 in)	6 May 1980
Jun	9.9 mm (0.39 in)	21 June 1988
Jul	59.9 mm (2.4 in)	31 July 1991
Aug	45.0 mm (1.8 in)	2 August 2024
Sep	54.1 mm (2.1 in)	7 September 1980
Oct	39.9 mm (1.6 in)	26 October 1989
Nov	43.9 mm (1.7 in)	3 November 1988
Dec	35.1 mm (1.4 in)	20 December 1982

Period of Record Coverage

1977 to 2025

27 years of record at Rio Grande, 1977 to 2025. 27 years have data for under 90 percent of days and are left out of rankings: 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984 and others.

Days with data per year at Rio Grande
Year	Days with data	Share of year	Complete
1977	3	1%	No
1978	14	4%	No
1979	127	35%	No
1980	199	54%	No
1981	163	45%	No
1982	88	24%	No
1983	157	43%	No
1984	108	30%	No
1985	4	1%	No
1986	4	1%	No
1987	86	24%	No
1988	174	48%	No
1989	163	45%	No
1990	98	27%	No
1991	45	12%	No
2003	1	0%	No
2008	15	4%	No
2012	1	0%	No
2017	1	0%	No
2018	137	38%	No
2019	190	52%	No
2020	196	54%	No
2021	190	52%	No
2022	199	55%	No
2023	191	52%	No
2024	194	53%	No
2025	134	37%	No

Latest Records

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

Extremes by Year

1973 to 2025

Yearly extremes at Rio Grande: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	30.8 C (87.4 F)	2019	22.0 C (71.6 F)	27
Coldest night (TNn)	-22.4 C (-8.3 F)	1984	-9.0 C (15.8 F)	30
Wettest day (Rx1day)	95.0 mm (3.7 in)	1987	20.1 mm (0.8 in)	29
Wettest five days (Rx5day)	66.3 mm (2.6 in)	1980	23.0 mm (0.9 in)	20
Longest dry spell (CDD)	16 days	1981	5 days	29

Hottest day (TXx)

The hottest day of the year at Rio Grande, 1973 to 2025. The record is 30.8 C (87.4 F) in 2019, marked on the chart; the median year is 22.0 C (71.6 F).

Hottest day (TXx) at Rio Grande by year
Year	Hottest day (TXx)
1973	n/a
1975	n/a
1976	n/a
1977	21.0 C (69.8 F)
1978	22.0 C (71.6 F)
1979	22.0 C (71.6 F)
1980	25.0 C (77.0 F)
1981	21.0 C (69.8 F)
1982	20.2 C (68.4 F)
1983	22.0 C (71.6 F)
1984	20.8 C (69.4 F)
1985	11.0 C (51.8 F)
1986	15.2 C (59.4 F)
1987	21.5 C (70.7 F)
1988	23.6 C (74.5 F)
1989	22.5 C (72.5 F)
1990	22.0 C (71.6 F)
1991	18.5 C (65.3 F)
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2003	4.8 C (40.6 F)
2008	17.4 C (63.3 F)
2009	n/a
2012	17.0 C (62.6 F)
2017	11.4 C (52.5 F)
2018	22.3 C (72.1 F)
2019	30.8 C (87.4 F)
2020	23.3 C (73.9 F)
2021	26.0 C (78.8 F)
2022	23.6 C (74.5 F)
2023	25.0 C (77.0 F)
2024	24.0 C (75.2 F)
2025	21.6 C (70.9 F)

Coldest night (TNn)

The coldest night of the year at Rio Grande, 1973 to 2025. The record is -22.4 C (-8.3 F) in 1984, marked on the chart; the median year is -9.0 C (15.8 F).

Coldest night (TNn) at Rio Grande by year
Year	Coldest night (TNn)
1973	0.0 C (32.0 F)
1975	-2.0 C (28.4 F)
1976	-2.0 C (28.4 F)
1977	-15.0 C (5.0 F)
1978	-9.0 C (15.8 F)
1979	-10.0 C (14.0 F)
1980	-9.0 C (15.8 F)
1981	-12.0 C (10.4 F)
1982	-4.6 C (23.7 F)
1983	-6.9 C (19.6 F)
1984	-22.4 C (-8.3 F)
1985	n/a
1986	8.5 C (47.3 F)
1987	-11.7 C (10.9 F)
1988	-10.5 C (13.1 F)
1989	-12.6 C (9.3 F)
1990	-8.8 C (16.2 F)
1991	-11.8 C (10.8 F)
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	5.0 C (41.0 F)
2001	-2.9 C (26.8 F)
2003	n/a
2008	-1.2 C (29.8 F)
2009	-3.8 C (25.2 F)
2012	n/a
2017	1.8 C (35.2 F)
2018	-12.5 C (9.5 F)
2019	-13.0 C (8.6 F)
2020	-16.5 C (2.3 F)
2021	-8.5 C (16.7 F)
2022	-11.0 C (12.2 F)
2023	-12.0 C (10.4 F)
2024	-13.1 C (8.4 F)
2025	-8.8 C (16.2 F)

Wettest day (Rx1day)

The wettest day of the year at Rio Grande, 1973 to 2025. The record is 95.0 mm (3.7 in) in 1987, marked on the chart; the median year is 20.1 mm (0.8 in).

Wettest day (Rx1day) at Rio Grande by year
Year	Wettest day (Rx1day)
1973	n/a
1975	n/a
1976	0.0 mm (0.00 in)
1977	29.0 mm (1.1 in)
1978	23.1 mm (0.9 in)
1979	8.9 mm (0.35 in)
1980	54.1 mm (2.1 in)
1981	37.1 mm (1.5 in)
1982	35.1 mm (1.4 in)
1983	16.0 mm (0.6 in)
1984	11.9 mm (0.5 in)
1985	0.0 mm (0.00 in)
1986	2.0 mm (0.08 in)
1987	95.0 mm (3.7 in)
1988	43.9 mm (1.7 in)
1989	39.9 mm (1.6 in)
1990	43.9 mm (1.7 in)
1991	59.9 mm (2.4 in)
1996	0.0 mm (0.00 in)
1997	4.1 mm (0.16 in)
1998	0.0 mm (0.00 in)
1999	n/a
2000	n/a
2001	0.3 mm (0.01 in)
2003	n/a
2008	5.1 mm (0.20 in)
2009	n/a
2012	n/a
2017	n/a
2018	20.1 mm (0.8 in)
2019	19.1 mm (0.8 in)
2020	35.1 mm (1.4 in)
2021	37.1 mm (1.5 in)
2022	14.0 mm (0.6 in)
2023	9.9 mm (0.39 in)
2024	45.0 mm (1.8 in)
2025	20.1 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Rio Grande, 1973 to 2025. The record is 66.3 mm (2.6 in) in 1980, marked on the chart; the median year is 23.0 mm (0.9 in).

Wettest five days (Rx5day) at Rio Grande by year
Year	Wettest five days (Rx5day)
1973	n/a
1975	n/a
1976	n/a
1977	22.9 mm (0.9 in)
1978	22.9 mm (0.9 in)
1979	18.8 mm (0.7 in)
1980	66.3 mm (2.6 in)
1981	53.1 mm (2.1 in)
1982	37.6 mm (1.5 in)
1983	22.1 mm (0.9 in)
1984	18.0 mm (0.7 in)
1985	n/a
1986	n/a
1987	9.6 mm (0.38 in)
1988	18.6 mm (0.7 in)
1989	15.9 mm (0.6 in)
1990	23.0 mm (0.9 in)
1991	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2003	n/a
2008	n/a
2009	n/a
2012	n/a
2017	n/a
2018	23.6 mm (0.9 in)
2019	33.0 mm (1.3 in)
2020	44.0 mm (1.7 in)
2021	27.4 mm (1.1 in)
2022	9.9 mm (0.39 in)
2023	17.0 mm (0.7 in)
2024	56.9 mm (2.2 in)
2025	41.1 mm (1.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Rio Grande, 1973 to 2025. The record is 16 days in 1981, marked on the chart; the median year is 5 days.

Longest dry spell (CDD) at Rio Grande by year
Year	Longest dry spell (CDD)
1973	n/a
1975	n/a
1976	1 day
1977	6 days
1978	8 days
1979	6 days
1980	11 days
1981	16 days
1982	6 days
1983	8 days
1984	3 days
1985	4 days
1986	2 days
1987	5 days
1988	6 days
1989	5 days
1990	2 days
1991	2 days
1996	1 day
1997	1 day
1998	3 days
1999	n/a
2000	n/a
2001	2 days
2003	n/a
2008	1 day
2009	n/a
2012	n/a
2017	n/a
2018	6 days
2019	6 days
2020	6 days
2021	5 days
2022	4 days
2023	6 days
2024	13 days
2025	6 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 Rio Grande standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Rio Grande 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).