Mar del Plata Aero Weather Records (AR000087692)

Record envelope, standing records and threshold days for Mar del Plata Aero (AR000087692), Argentina, with 70 years of record.

Key Facts for Mar del Plata Aero

Mar del Plata Aero (AR000087692) is a weather station in Argentina at -37.93 latitude and -57.58 longitude, 22 m (72 ft) above sea level.
The station reports from 1956 to 2025, 70 years of record.
1,464 records set at Mar del Plata Aero still stand.
Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
Mar del Plata Aero set a daily record low minimum temperature of -6.3 C (20.7 F) on 2 July 2025.

About the Station

Location: Argentina, -37.93 latitude, -57.58 longitude.
Elevation: 22 m (72 ft).
Period of record: 1956 to 2025, 70 years.
Eligible elements: tmax, tmin.

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 Mar del Plata Aero. 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 Mar del Plata Aero, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	41.6 C (106.9 F)	3.0 C (37.4 F)	n/a	n/a
Feb	38.2 C (100.8 F)	1.2 C (34.2 F)	n/a	n/a
Mar	36.3 C (97.3 F)	0.3 C (32.5 F)	n/a	n/a
Apr	33.0 C (91.4 F)	-3.6 C (25.5 F)	n/a	n/a
May	28.5 C (83.3 F)	-3.7 C (25.3 F)	n/a	n/a
Jun	25.5 C (77.9 F)	-5.6 C (21.9 F)	n/a	n/a
Jul	27.7 C (81.9 F)	-9.3 C (15.3 F)	n/a	n/a
Aug	29.9 C (85.8 F)	-6.4 C (20.5 F)	n/a	n/a
Sep	30.1 C (86.2 F)	-6.3 C (20.7 F)	n/a	n/a
Oct	34.5 C (94.1 F)	-3.0 C (26.6 F)	n/a	n/a
Nov	35.7 C (96.3 F)	-2.0 C (28.4 F)	n/a	n/a
Dec	39.4 C (102.9 F)	-0.2 C (31.6 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mar del Plata Aero still stand. 1965 holds the most, with 49.

Standing records at Mar del Plata Aero by the year they were set
Year set	Standing records
1956	30
1957	25
1958	26
1959	13
1960	10
1961	12
1962	33
1963	23
1964	28
1965	49
1966	21
1967	21
1968	34
1969	29
1970	20
1971	37
1972	32
1973	23
1974	25
1975	30
1976	33
1977	34
1978	16
1979	21
1980	36
1981	24
1982	23
1983	17
1984	25
1985	18
1986	23
1987	26
1988	22
1989	17
1990	22
1991	23
1992	24
1993	27
1994	16
1995	26
1996	23
1997	33
1998	25
1999	25
2000	16
2001	25
2002	22
2003	22
2004	13
2005	19
2006	13
2007	13
2008	16
2009	16
2010	7
2011	6
2012	13
2013	25
2014	8
2015	20
2016	6
2017	8
2018	12
2019	4
2020	8
2021	8
2022	19
2023	14
2024	19
2025	12

All-Time Record Progression

2 new records

2 all-time records were set at Mar del Plata Aero between 6 July 1988 and 1 August 1991. Each dot is a new record.

When Mar del Plata Aero set new all-time records
Date	Kind	Detail
1988-07-06	Record low minimum temperature	Record low minimum temperature -9.3 C (15.3 F)
1991-08-01	Record low maximum temperature	Record low maximum temperature 3.7 C (38.7 F)

Wettest Day of Each Month

May: 229.1 mm (9.0 in)

The wettest day on record for each calendar month at Mar del Plata Aero. The most was 229.1 mm (9.0 in) on 9 May 2012.

Record daily precipitation for each month at Mar del Plata Aero
Month	Record daily precipitation (mm)	Date
Jan	172.0 mm (6.8 in)	30 January 1982
Feb	225.0 mm (8.9 in)	28 February 1984
Mar	103.9 mm (4.1 in)	8 March 1995
Apr	110.0 mm (4.3 in)	9 April 2017
May	229.1 mm (9.0 in)	9 May 2012
Jun	99.1 mm (3.9 in)	8 June 1993
Jul	102.1 mm (4.0 in)	31 July 2000
Aug	103.9 mm (4.1 in)	13 August 1990
Sep	199.9 mm (7.9 in)	4 September 1981
Oct	205.2 mm (8.1 in)	8 October 2012
Nov	102.1 mm (4.0 in)	9 November 2011
Dec	199.9 mm (7.9 in)	20 December 1973

Period of Record Coverage

1956 to 2025

68 years of record at Mar del Plata Aero, 1956 to 2025. 27 years have data for under 90 percent of days and are left out of rankings: 1958, 1961, 1962, 1970, 1981, 2004, 2005, 2006 and others.

Days with data per year at Mar del Plata Aero
Year	Days with data	Share of year	Complete
1956	335	92%	Yes
1957	365	100%	Yes
1958	226	62%	No
1961	92	25%	No
1962	311	85%	No
1963	364	100%	Yes
1964	366	100%	Yes
1965	364	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	295	81%	No
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	323	88%	No
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	364	100%	Yes
1986	356	98%	Yes
1987	364	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	363	99%	Yes
1991	365	100%	Yes
1992	366	100%	Yes
1993	348	95%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	365	100%	Yes
1998	365	100%	Yes
1999	365	100%	Yes
2000	366	100%	Yes
2001	361	99%	Yes
2002	365	100%	Yes
2003	364	100%	Yes
2004	266	73%	No
2005	187	51%	No
2006	151	41%	No
2007	198	54%	No
2008	188	51%	No
2009	197	54%	No
2010	187	51%	No
2011	184	50%	No
2012	191	52%	No
2013	190	52%	No
2014	190	52%	No
2015	198	54%	No
2016	181	49%	No
2017	174	48%	No
2018	177	48%	No
2019	184	50%	No
2020	179	49%	No
2021	184	50%	No
2022	189	52%	No
2023	190	52%	No
2024	177	48%	No
2025	125	34%	No

Latest Records

Latest records at Mar del Plata Aero
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 July 2025	Mar del Plata Aero, AR	daily low min	-6.3 C (20.7 F)	1.3 C (2.3 F)	55 years	26 of 100 (Routine)
5 June 2025	Mar del Plata Aero, AR	daily high max	20.2 C (68.4 F)	0.8 C (1.4 F)	18 years	14 of 100 (Routine)
17 May 2025	Mar del Plata Aero, AR	daily high min	16.0 C (60.8 F)	0.6 C (1.1 F)	56 years	24 of 100 (Routine)
11 April 2025	Mar del Plata Aero, AR	daily high min	17.6 C (63.7 F)	0.6 C (1.1 F)	44 years	21 of 100 (Routine)
8 March 2025	Mar del Plata Aero, AR	daily high max	35.1 C (95.2 F)	0.2 C (0.4 F)	32 years	16 of 100 (Routine)
24 February 2025	Mar del Plata Aero, AR	daily high min	22.0 C (71.6 F)	0.4 C (0.7 F)	44 years	20 of 100 (Routine)
23 February 2025	Mar del Plata Aero, AR	monthly high min	22.8 C (73.0 F)	0.2 C (0.4 F)	41 years	29 of 100 (Routine)
23 February 2025	Mar del Plata Aero, AR	daily high max	36.0 C (96.8 F)	0.8 C (1.4 F)	24 years	15 of 100 (Routine)
22 February 2025	Mar del Plata Aero, AR	daily high max	36.6 C (97.9 F)	2.1 C (3.8 F)	39 years	22 of 100 (Routine)
18 February 2025	Mar del Plata Aero, AR	daily low min (Tie)	4.4 C (39.9 F)	tie	56 years	5 of 100 (Routine)
9 February 2025	Mar del Plata Aero, AR	daily high max	35.7 C (96.3 F)	1.7 C (3.1 F)	41 years	22 of 100 (Routine)
8 February 2025	Mar del Plata Aero, AR	daily high max	35.4 C (95.7 F)	1.1 C (2.0 F)	7 years	11 of 100 (Routine)
3 February 2025	Mar del Plata Aero, AR	daily high min	20.5 C (68.9 F)	0.2 C (0.4 F)	66 years	26 of 100 (Routine)
8 December 2024	Mar del Plata Aero, AR	daily low min	2.8 C (37.0 F)	2.2 C (4.0 F)	66 years	30 of 100 (Routine)
1 November 2024	Mar del Plata Aero, AR	daily high min	16.9 C (62.4 F)	0.9 C (1.6 F)	63 years	26 of 100 (Routine)
31 October 2024	Mar del Plata Aero, AR	daily high max	33.8 C (92.8 F)	6.9 C (12.4 F)	29 years	29 of 100 (Routine)
22 October 2024	Mar del Plata Aero, AR	daily high max	31.2 C (88.2 F)	3.2 C (5.8 F)	19 years	18 of 100 (Routine)
30 September 2024	Mar del Plata Aero, AR	daily high min	14.4 C (57.9 F)	0.9 C (1.6 F)	17 years	13 of 100 (Routine)
22 September 2024	Mar del Plata Aero, AR	daily high min	12.8 C (55.0 F)	0.3 C (0.5 F)	47 years	20 of 100 (Routine)
19 September 2024	Mar del Plata Aero, AR	daily high max	24.4 C (75.9 F)	0.1 C (0.2 F)	39 years	17 of 100 (Routine)

Climate Trend

39 complete years, 1957 to 2003

One stripe for each of 39 complete years at Mar del Plata Aero, 1957 to 2003. Blue stripes are years cooler than the station's own mean of 14.1 C (57.4 F); red stripes are warmer. The coolest year was 1964, at 13.1 C (55.6 F), and the warmest was 1980, at 15.3 C (59.6 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at Mar del Plata Aero as warming stripes, 1957 to 2003
Year	Annual mean temperature	Difference from the station mean
1957	13.7 C	-0.46 C
1963	13.8 C	-0.30 C
1964	13.1 C	-1.02 C
1965	14.0 C	-0.15 C
1966	13.7 C	-0.40 C
1967	13.8 C	-0.29 C
1968	13.9 C	-0.19 C
1969	14.1 C	+0.01 C
1971	13.8 C	-0.32 C
1972	14.4 C	+0.25 C
1973	13.9 C	-0.19 C
1974	14.2 C	+0.04 C
1975	14.3 C	+0.17 C
1976	13.6 C	-0.52 C
1977	14.8 C	+0.71 C
1978	14.5 C	+0.38 C
1979	14.7 C	+0.56 C
1980	15.3 C	+1.22 C
1982	14.9 C	+0.79 C
1983	14.5 C	+0.36 C
1984	14.0 C	-0.16 C
1985	14.1 C	-0.02 C
1986	14.0 C	-0.16 C
1987	14.0 C	-0.15 C
1988	13.5 C	-0.60 C
1989	14.7 C	+0.59 C
1990	14.1 C	-0.04 C
1991	14.2 C	+0.12 C
1992	13.9 C	-0.18 C
1994	14.2 C	+0.03 C
1995	13.6 C	-0.51 C
1996	14.1 C	+0.02 C
1997	14.2 C	+0.09 C
1998	14.5 C	+0.42 C
1999	14.0 C	-0.13 C
2000	13.9 C	-0.18 C
2001	14.4 C	+0.32 C
2002	14.1 C	+0.01 C
2003	14.0 C	-0.14 C

The fitted trend in annual mean temperature here over 1957 to 2003 is 0.07 C (-0.04 to 0.18) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.1 F (-0.1 to 0.3) per decade. The slope is a straight line fitted to 39 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Mar del Plata Aero
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	0.07 C (-0.04 to 0.18) per decade	0.1 F (-0.1 to 0.3) per decade	1957 to 2003	39	Not clearly different from zero
Mean daily maximum	0.04 C (-0.08 to 0.15) per decade	0.1 F (-0.1 to 0.3) per decade	1957 to 2003	39	Not clearly different from zero
Mean daily minimum	0.11 C (-0.03 to 0.25) per decade	0.2 F (-0.1 to 0.4) per decade	1957 to 2003	39	Not clearly different from zero

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

1956 to 2025

Yearly extremes at Mar del Plata Aero: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.6 C (106.9 F)	1957	35.8 C (96.4 F)	68
Coldest night (TNn)	-9.3 C (15.3 F)	1988	-4.2 C (24.4 F)	70
Wettest day (Rx1day)	229.1 mm (9.0 in)	2012	86.1 mm (3.4 in)	56
Wettest five days (Rx5day)	254.8 mm (10.0 in)	2012	88.9 mm (3.5 in)	53
Longest dry spell (CDD)	17 days	1979	6 days	55

Hottest day (TXx)

The hottest day of the year at Mar del Plata Aero, 1956 to 2025. The record is 41.6 C (106.9 F) in 1957, marked on the chart; the median year is 35.8 C (96.4 F).

Hottest day (TXx) at Mar del Plata Aero by year
Year	Hottest day (TXx)
1956	34.5 C (94.1 F)
1957	41.6 C (106.9 F)
1958	34.3 C (93.7 F)
1959	n/a
1960	n/a
1961	33.4 C (92.1 F)
1962	35.7 C (96.3 F)
1963	35.9 C (96.6 F)
1964	36.3 C (97.3 F)
1965	35.5 C (95.9 F)
1966	33.4 C (92.1 F)
1967	37.0 C (98.6 F)
1968	36.7 C (98.1 F)
1969	35.8 C (96.4 F)
1970	38.2 C (100.8 F)
1971	37.5 C (99.5 F)
1972	38.1 C (100.6 F)
1973	34.3 C (93.7 F)
1974	34.0 C (93.2 F)
1975	39.4 C (102.9 F)
1976	38.6 C (101.5 F)
1977	35.3 C (95.5 F)
1978	35.0 C (95.0 F)
1979	35.3 C (95.5 F)
1980	38.5 C (101.3 F)
1981	34.4 C (93.9 F)
1982	38.2 C (100.8 F)
1983	37.8 C (100.0 F)
1984	34.6 C (94.3 F)
1985	36.6 C (97.9 F)
1986	36.3 C (97.3 F)
1987	39.3 C (102.7 F)
1988	34.7 C (94.5 F)
1989	36.5 C (97.7 F)
1990	36.5 C (97.7 F)
1991	34.5 C (94.1 F)
1992	35.2 C (95.4 F)
1993	36.2 C (97.2 F)
1994	35.8 C (96.4 F)
1995	33.6 C (92.5 F)
1996	35.7 C (96.3 F)
1997	33.8 C (92.8 F)
1998	38.3 C (100.9 F)
1999	36.6 C (97.9 F)
2000	38.3 C (100.9 F)
2001	37.2 C (99.0 F)
2002	32.6 C (90.7 F)
2003	37.1 C (98.8 F)
2004	34.7 C (94.5 F)
2005	34.9 C (94.8 F)
2006	35.0 C (95.0 F)
2007	38.2 C (100.8 F)
2008	35.6 C (96.1 F)
2009	35.1 C (95.2 F)
2010	35.2 C (95.4 F)
2011	33.7 C (92.7 F)
2012	37.5 C (99.5 F)
2013	38.2 C (100.8 F)
2014	38.1 C (100.6 F)
2015	37.1 C (98.8 F)
2016	35.6 C (96.1 F)
2017	35.6 C (96.1 F)
2018	35.5 C (95.9 F)
2019	36.4 C (97.5 F)
2020	35.2 C (95.4 F)
2021	35.5 C (95.9 F)
2022	36.0 C (96.8 F)
2023	36.8 C (98.2 F)
2024	34.4 C (93.9 F)
2025	36.6 C (97.9 F)

Coldest night (TNn)

The coldest night of the year at Mar del Plata Aero, 1956 to 2025. The record is -9.3 C (15.3 F) in 1988, marked on the chart; the median year is -4.2 C (24.4 F).

Coldest night (TNn) at Mar del Plata Aero by year
Year	Coldest night (TNn)
1956	-2.7 C (27.1 F)
1957	-4.9 C (23.2 F)
1958	-3.6 C (25.5 F)
1959	-4.4 C (24.1 F)
1960	-6.0 C (21.2 F)
1961	-2.6 C (27.3 F)
1962	-5.8 C (21.6 F)
1963	-3.4 C (25.9 F)
1964	-4.2 C (24.4 F)
1965	-3.1 C (26.4 F)
1966	-5.7 C (21.7 F)
1967	-5.6 C (21.9 F)
1968	-4.8 C (23.4 F)
1969	-2.9 C (26.8 F)
1970	-5.1 C (22.8 F)
1971	-3.9 C (25.0 F)
1972	-3.5 C (25.7 F)
1973	-3.4 C (25.9 F)
1974	-3.5 C (25.7 F)
1975	-2.9 C (26.8 F)
1976	-6.2 C (20.8 F)
1977	-2.5 C (27.5 F)
1978	-2.6 C (27.3 F)
1979	-4.0 C (24.8 F)
1980	-3.2 C (26.2 F)
1981	-5.2 C (22.6 F)
1982	-2.4 C (27.7 F)
1983	-6.4 C (20.5 F)
1984	-3.7 C (25.3 F)
1985	-5.6 C (21.9 F)
1986	-4.9 C (23.2 F)
1987	-5.5 C (22.1 F)
1988	-9.3 C (15.3 F)
1989	-3.5 C (25.7 F)
1990	-5.5 C (22.1 F)
1991	-5.3 C (22.5 F)
1992	-5.7 C (21.7 F)
1993	-6.3 C (20.7 F)
1994	-5.6 C (21.9 F)
1995	-8.3 C (17.1 F)
1996	-3.8 C (25.2 F)
1997	-5.1 C (22.8 F)
1998	-3.9 C (25.0 F)
1999	-4.6 C (23.7 F)
2000	-3.1 C (26.4 F)
2001	-3.0 C (26.6 F)
2002	-5.0 C (23.0 F)
2003	-4.5 C (23.9 F)
2004	-2.8 C (27.0 F)
2005	-3.5 C (25.7 F)
2006	-4.0 C (24.8 F)
2007	-4.0 C (24.8 F)
2008	-3.0 C (26.6 F)
2009	-4.2 C (24.4 F)
2010	-3.5 C (25.7 F)
2011	-3.8 C (25.2 F)
2012	-6.2 C (20.8 F)
2013	-5.2 C (22.6 F)
2014	-4.4 C (24.1 F)
2015	-4.2 C (24.4 F)
2016	-3.0 C (26.6 F)
2017	-2.0 C (28.4 F)
2018	-4.1 C (24.6 F)
2019	-4.5 C (23.9 F)
2020	-3.0 C (26.6 F)
2021	-5.6 C (21.9 F)
2022	-5.3 C (22.5 F)
2023	-3.6 C (25.5 F)
2024	-6.2 C (20.8 F)
2025	-6.3 C (20.7 F)

Wettest day (Rx1day)

The wettest day of the year at Mar del Plata Aero, 1956 to 2025. The record is 229.1 mm (9.0 in) in 2012, marked on the chart; the median year is 86.1 mm (3.4 in).

Wettest day (Rx1day) at Mar del Plata Aero by year
Year	Wettest day (Rx1day)
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	14.0 mm (0.6 in)
1966	n/a
1967	20.1 mm (0.8 in)
1968	53.1 mm (2.1 in)
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	199.9 mm (7.9 in)
1974	41.9 mm (1.6 in)
1975	10.9 mm (0.4 in)
1976	50.0 mm (2.0 in)
1977	80.0 mm (3.1 in)
1978	53.1 mm (2.1 in)
1979	30.0 mm (1.2 in)
1980	50.0 mm (2.0 in)
1981	199.9 mm (7.9 in)
1982	180.1 mm (7.1 in)
1983	99.1 mm (3.9 in)
1984	225.0 mm (8.9 in)
1985	0.0 mm (0.00 in)
1986	0.0 mm (0.00 in)
1987	46.0 mm (1.8 in)
1988	113.0 mm (4.4 in)
1989	114.0 mm (4.5 in)
1990	103.9 mm (4.1 in)
1991	91.9 mm (3.6 in)
1992	99.1 mm (3.9 in)
1993	101.1 mm (4.0 in)
1994	96.0 mm (3.8 in)
1995	103.9 mm (4.1 in)
1996	101.1 mm (4.0 in)
1997	74.9 mm (2.9 in)
1998	77.0 mm (3.0 in)
1999	103.9 mm (4.1 in)
2000	102.1 mm (4.0 in)
2001	102.1 mm (4.0 in)
2002	218.2 mm (8.6 in)
2003	101.1 mm (4.0 in)
2004	70.1 mm (2.8 in)
2005	103.9 mm (4.1 in)
2006	194.1 mm (7.6 in)
2007	95.0 mm (3.7 in)
2008	85.1 mm (3.4 in)
2009	87.1 mm (3.4 in)
2010	83.1 mm (3.3 in)
2011	106.9 mm (4.2 in)
2012	229.1 mm (9.0 in)
2013	45.0 mm (1.8 in)
2014	75.9 mm (3.0 in)
2015	55.1 mm (2.2 in)
2016	74.9 mm (2.9 in)
2017	110.0 mm (4.3 in)
2018	55.9 mm (2.2 in)
2019	81.0 mm (3.2 in)
2020	102.1 mm (4.0 in)
2021	52.1 mm (2.1 in)
2022	70.1 mm (2.8 in)
2023	73.9 mm (2.9 in)
2024	102.1 mm (4.0 in)
2025	18.0 mm (0.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mar del Plata Aero, 1956 to 2025. The record is 254.8 mm (10.0 in) in 2012, marked on the chart; the median year is 88.9 mm (3.5 in).

Wettest five days (Rx5day) at Mar del Plata Aero by year
Year	Wettest five days (Rx5day)
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	13.2 mm (0.5 in)
1968	79.3 mm (3.1 in)
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	199.9 mm (7.9 in)
1974	67.0 mm (2.6 in)
1975	10.9 mm (0.4 in)
1976	51.1 mm (2.0 in)
1977	104.2 mm (4.1 in)
1978	60.2 mm (2.4 in)
1979	41.2 mm (1.6 in)
1980	62.0 mm (2.4 in)
1981	199.9 mm (7.9 in)
1982	50.8 mm (2.0 in)
1983	121.1 mm (4.8 in)
1984	242.0 mm (9.5 in)
1985	0.0 mm (0.00 in)
1986	0.0 mm (0.00 in)
1987	50.8 mm (2.0 in)
1988	71.9 mm (2.8 in)
1989	55.6 mm (2.2 in)
1990	111.0 mm (4.4 in)
1991	132.0 mm (5.2 in)
1992	91.0 mm (3.6 in)
1993	109.5 mm (4.3 in)
1994	110.0 mm (4.3 in)
1995	82.1 mm (3.2 in)
1996	103.1 mm (4.1 in)
1997	76.9 mm (3.0 in)
1998	180.9 mm (7.1 in)
1999	26.7 mm (1.1 in)
2000	47.0 mm (1.9 in)
2001	51.0 mm (2.0 in)
2002	143.0 mm (5.6 in)
2003	122.9 mm (4.8 in)
2004	94.0 mm (3.7 in)
2005	127.0 mm (5.0 in)
2006	151.1 mm (5.9 in)
2007	124.0 mm (4.9 in)
2008	84.0 mm (3.3 in)
2009	61.0 mm (2.4 in)
2010	100.2 mm (3.9 in)
2011	114.0 mm (4.5 in)
2012	254.8 mm (10.0 in)
2013	85.4 mm (3.4 in)
2014	160.6 mm (6.3 in)
2015	126.3 mm (5.0 in)
2016	109.5 mm (4.3 in)
2017	213.8 mm (8.4 in)
2018	35.1 mm (1.4 in)
2019	n/a
2020	6.8 mm (0.27 in)
2021	88.9 mm (3.5 in)
2022	44.2 mm (1.7 in)
2023	52.0 mm (2.0 in)
2024	104.2 mm (4.1 in)
2025	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Mar del Plata Aero, 1956 to 2025. The record is 17 days in 1979, marked on the chart; the median year is 6 days.

Longest dry spell (CDD) at Mar del Plata Aero by year
Year	Longest dry spell (CDD)
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	1 day
1966	n/a
1967	2 days
1968	3 days
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	9 days
1974	10 days
1975	4 days
1976	4 days
1977	11 days
1978	16 days
1979	17 days
1980	8 days
1981	13 days
1982	4 days
1983	6 days
1984	7 days
1985	5 days
1986	6 days
1987	5 days
1988	7 days
1989	8 days
1990	6 days
1991	5 days
1992	4 days
1993	7 days
1994	7 days
1995	9 days
1996	10 days
1997	13 days
1998	13 days
1999	12 days
2000	3 days
2001	4 days
2002	10 days
2003	14 days
2004	10 days
2005	16 days
2006	3 days
2007	4 days
2008	3 days
2009	3 days
2010	3 days
2011	3 days
2012	3 days
2013	6 days
2014	6 days
2015	4 days
2016	5 days
2017	6 days
2018	4 days
2019	n/a
2020	3 days
2021	7 days
2022	3 days
2023	5 days
2024	3 days
2025	3 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.

Frost Dates and Growing Season

39 years with a frost

Across 39 years with a frost, the median last spring frost at Mar del Plata Aero falls on 8 October and the median first autumn frost on 21 May, which leaves a median of 218 days between them.

Fitted over all years, the growing season changes by +5.7 days per decade at this station.

Frost dates and growing season at Mar del Plata Aero
Measure	Median, all years	Earliest period	Recent period (1972 to 2003)	Recent against earliest	Fitted trend
Last spring frost	8 October	n/a	7 October	n/a	-3.1 days per decade
First autumn frost	21 May	n/a	22 May	n/a	+2.5 days per decade
Growing days	218 days	n/a	224 days	n/a	+5.7 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Mar del Plata Aero standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mar del Plata Aero 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).