Uruguaiana (Aeropor Weather Records (BR002957005)

Record envelope, standing records and threshold days for Uruguaiana (Aeropor (BR002957005), Brazil, with 51 years of record.

Key Facts for Uruguaiana (Aeropor

Uruguaiana (Aeropor (BR002957005) is a weather station in Brazil at -29.78 latitude and -57.03 longitude, 78 m (256 ft) above sea level.
The station reports from 1973 to 2023, 51 years of record.
1,188 records set at Uruguaiana (Aeropor still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Brazil, -29.78 latitude, -57.03 longitude.
Elevation: 78 m (256 ft).
Period of record: 1973 to 2023, 51 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 Uruguaiana (Aeropor. 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 Uruguaiana (Aeropor, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.0 C (100.4 F)	10.5 C (50.9 F)	n/a	n/a
Feb	38.0 C (100.4 F)	8.5 C (47.3 F)	n/a	n/a
Mar	39.3 C (102.7 F)	7.0 C (44.6 F)	n/a	n/a
Apr	38.0 C (100.4 F)	5.3 C (41.5 F)	n/a	n/a
May	30.0 C (86.0 F)	0.1 C (32.2 F)	n/a	n/a
Jun	27.9 C (82.2 F)	-2.6 C (27.3 F)	n/a	n/a
Jul	28.0 C (82.4 F)	-2.8 C (27.0 F)	n/a	n/a
Aug	32.8 C (91.0 F)	-2.4 C (27.7 F)	n/a	n/a
Sep	31.8 C (89.2 F)	0.0 C (32.0 F)	n/a	n/a
Oct	33.0 C (91.4 F)	2.9 C (37.2 F)	n/a	n/a
Nov	35.0 C (95.0 F)	5.7 C (42.3 F)	n/a	n/a
Dec	36.8 C (98.2 F)	8.2 C (46.8 F)	n/a	n/a

Which Years Hold Standing Records

1,188 standing records

1,188 records at Uruguaiana (Aeropor still stand. 1983 holds the most, with 185.

Standing records at Uruguaiana (Aeropor by the year they were set
Year set	Standing records
1973	167
1974	82
1975	1
1976	2
1977	22
1978	7
1980	1
1981	1
1982	55
1983	185
1984	52
1985	37
1986	53
1987	51
1988	52
1989	51
1990	55
1991	53
1992	20
1993	1
1994	18
1995	55
1996	42
1997	45
2014	1
2022	15
2023	64

Wettest Day of Each Month

Jul: 190.0 mm (7.5 in)

The wettest day on record for each calendar month at Uruguaiana (Aeropor. The most was 190.0 mm (7.5 in) on 7 July 1997.

Record daily precipitation for each month at Uruguaiana (Aeropor
Month	Record daily precipitation (mm)	Date
Jan	90.9 mm (3.6 in)	15 January 1984
Feb	91.9 mm (3.6 in)	15 February 1983
Mar	146.0 mm (5.7 in)	25 March 1987
Apr	120.3 mm (4.7 in)	14 April 1986
May	159.0 mm (6.3 in)	5 May 1983
Jun	140.0 mm (5.5 in)	27 June 1991
Jul	190.0 mm (7.5 in)	7 July 1997
Aug	40.0 mm (1.6 in)	20 August 1989
Sep	95.0 mm (3.7 in)	17 September 1982
Oct	84.0 mm (3.3 in)	26 October 1989
Nov	87.7 mm (3.5 in)	26 November 1986
Dec	84.0 mm (3.3 in)	10 December 1990

Period of Record Coverage

1973 to 1997

15 years of record at Uruguaiana (Aeropor, 1973 to 1997. 15 years have data for under 90 percent of days and are left out of rankings: 1973, 1974, 1976, 1977, 1978, 1982, 1983, 1985 and others.

Days with data per year at Uruguaiana (Aeropor
Year	Days with data	Share of year	Complete
1973	92	25%	No
1974	46	13%	No
1976	1	0%	No
1977	15	4%	No
1978	4	1%	No
1982	32	9%	No
1983	97	27%	No
1985	1	0%	No
1986	2	1%	No
1987	2	1%	No
1988	1	0%	No
1989	2	1%	No
1990	4	1%	No
1996	1	0%	No
1997	1	0%	No

Latest Records

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

Extremes by Year

1973 to 2023

Yearly extremes at Uruguaiana (Aeropor: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.3 C (102.7 F)	1983	31.0 C (87.8 F)	15
Coldest night (TNn)	-2.8 C (27.0 F)	1988	1.9 C (35.4 F)	31
Wettest day (Rx1day)	190.0 mm (7.5 in)	1997	79.0 mm (3.1 in)	27
Wettest five days (Rx5day)	211.4 mm (8.3 in)	1997	136.1 mm (5.4 in)	18
Longest dry spell (CDD)	76 days	1991	16 days	27

Hottest day (TXx)

The hottest day of the year at Uruguaiana (Aeropor, 1973 to 2023. The record is 39.3 C (102.7 F) in 1983, marked on the chart; the median year is 31.0 C (87.8 F).

Hottest day (TXx) at Uruguaiana (Aeropor by year
Year	Hottest day (TXx)
1973	35.0 C (95.0 F)
1974	38.0 C (100.4 F)
1975	n/a
1976	20.0 C (68.0 F)
1977	31.0 C (87.8 F)
1978	36.0 C (96.8 F)
1979	n/a
1980	n/a
1981	n/a
1982	36.8 C (98.2 F)
1983	39.3 C (102.7 F)
1984	n/a
1985	31.8 C (89.2 F)
1986	30.8 C (87.4 F)
1987	17.2 C (63.0 F)
1988	27.6 C (81.7 F)
1989	24.2 C (75.6 F)
1990	30.8 C (87.4 F)
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	32.0 C (89.6 F)
1997	29.4 C (84.9 F)
1999	n/a
2002	n/a
2005	n/a
2014	n/a
2021	n/a
2022	n/a
2023	n/a

Coldest night (TNn)

The coldest night of the year at Uruguaiana (Aeropor, 1973 to 2023. The record is -2.8 C (27.0 F) in 1988, marked on the chart; the median year is 1.9 C (35.4 F).

Coldest night (TNn) at Uruguaiana (Aeropor by year
Year	Coldest night (TNn)
1973	-1.0 C (30.2 F)
1974	0.0 C (32.0 F)
1975	0.0 C (32.0 F)
1976	4.0 C (39.2 F)
1977	10.0 C (50.0 F)
1978	11.0 C (51.8 F)
1979	15.0 C (59.0 F)
1980	10.0 C (50.0 F)
1981	10.0 C (50.0 F)
1982	6.8 C (44.2 F)
1983	0.4 C (32.7 F)
1984	0.0 C (32.0 F)
1985	1.4 C (34.5 F)
1986	2.4 C (36.3 F)
1987	1.1 C (34.0 F)
1988	-2.8 C (27.0 F)
1989	-1.6 C (29.1 F)
1990	-1.3 C (29.7 F)
1991	-2.4 C (27.7 F)
1992	-1.4 C (29.5 F)
1993	12.0 C (53.6 F)
1994	5.0 C (41.0 F)
1995	-1.0 C (30.2 F)
1996	-2.6 C (27.3 F)
1997	0.5 C (32.9 F)
1999	n/a
2002	9.0 C (48.2 F)
2005	14.8 C (58.6 F)
2014	24.0 C (75.2 F)
2021	13.4 C (56.1 F)
2022	5.7 C (42.3 F)
2023	1.9 C (35.4 F)

Wettest day (Rx1day)

The wettest day of the year at Uruguaiana (Aeropor, 1973 to 2023. The record is 190.0 mm (7.5 in) in 1997, marked on the chart; the median year is 79.0 mm (3.1 in).

Wettest day (Rx1day) at Uruguaiana (Aeropor by year
Year	Wettest day (Rx1day)
1973	70.1 mm (2.8 in)
1974	70.1 mm (2.8 in)
1975	0.0 mm (0.00 in)
1976	0.0 mm (0.00 in)
1977	89.9 mm (3.5 in)
1978	33.0 mm (1.3 in)
1979	5.1 mm (0.20 in)
1980	0.0 mm (0.00 in)
1981	0.0 mm (0.00 in)
1982	95.0 mm (3.7 in)
1983	159.0 mm (6.3 in)
1984	106.9 mm (4.2 in)
1985	119.0 mm (4.7 in)
1986	120.3 mm (4.7 in)
1987	146.0 mm (5.7 in)
1988	75.7 mm (3.0 in)
1989	93.3 mm (3.7 in)
1990	84.0 mm (3.3 in)
1991	140.0 mm (5.5 in)
1992	99.1 mm (3.9 in)
1993	93.0 mm (3.7 in)
1994	66.0 mm (2.6 in)
1995	79.0 mm (3.1 in)
1996	72.9 mm (2.9 in)
1997	190.0 mm (7.5 in)
1999	n/a
2002	18.0 mm (0.7 in)
2005	n/a
2014	n/a
2021	0.5 mm (0.02 in)
2022	n/a
2023	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Uruguaiana (Aeropor, 1973 to 2023. The record is 211.4 mm (8.3 in) in 1997, marked on the chart; the median year is 136.1 mm (5.4 in).

Wettest five days (Rx5day) at Uruguaiana (Aeropor by year
Year	Wettest five days (Rx5day)
1973	110.0 mm (4.3 in)
1974	53.4 mm (2.1 in)
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	0.0 mm (0.00 in)
1983	176.0 mm (6.9 in)
1984	176.0 mm (6.9 in)
1985	133.1 mm (5.2 in)
1986	198.8 mm (7.8 in)
1987	158.3 mm (6.2 in)
1988	155.8 mm (6.1 in)
1989	137.3 mm (5.4 in)
1990	143.5 mm (5.6 in)
1991	167.0 mm (6.6 in)
1992	114.1 mm (4.5 in)
1993	122.5 mm (4.8 in)
1994	103.0 mm (4.1 in)
1995	127.2 mm (5.0 in)
1996	134.9 mm (5.3 in)
1997	211.4 mm (8.3 in)
1999	n/a
2002	n/a
2005	n/a
2014	n/a
2021	n/a
2022	n/a
2023	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Uruguaiana (Aeropor, 1973 to 2023. The record is 76 days in 1991, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Uruguaiana (Aeropor by year
Year	Longest dry spell (CDD)
1973	6 days
1974	4 days
1975	1 day
1976	1 day
1977	1 day
1978	1 day
1979	2 days
1980	1 day
1981	1 day
1982	7 days
1983	16 days
1984	11 days
1985	23 days
1986	18 days
1987	28 days
1988	31 days
1989	25 days
1990	33 days
1991	76 days
1992	66 days
1993	30 days
1994	54 days
1995	34 days
1996	24 days
1997	18 days
1999	n/a
2002	1 day
2005	n/a
2014	n/a
2021	1 day
2022	n/a
2023	n/a

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 Uruguaiana (Aeropor standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Uruguaiana (Aeropor 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 2026-10-14 (14 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).