Termas de Rio Hondo climate — normals and trends

Q: What is the climate of Termas de Rio Hondo?

Termas de Rio Hondo has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.2 °C and it receives 1,051 mm of precipitation per year.

Q: What is the hottest day ever recorded in Termas de Rio Hondo?

The hottest day measured in Termas de Rio Hondo between 1940 and 2025 was 15 November 2017, reaching 44.9 °C.

Q: What is the coldest day in Termas de Rio Hondo?

The coldest day measured in Termas de Rio Hondo between 1940 and 2025 was 6 July 1989, at -1.6 °C.

Q: Does it snow in Termas de Rio Hondo?

Almost never: Termas de Rio Hondo sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Termas de Rio Hondo warmed?

Yes: Termas de Rio Hondo warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Termas de Rio Hondo?

The wettest day measured in Termas de Rio Hondo between 1940 and 2025 was 27 April 1987, with 136 mm of rain in 24 hours.

Q: What was the windiest day in Termas de Rio Hondo?

The windiest day measured in Termas de Rio Hondo between 1940 and 2025 was 12 July 1941, with winds reaching 45.1 km/h.

Q: What is the warmest month in Termas de Rio Hondo?

The warmest month in Termas de Rio Hondo is January (26.8 °C on average); the coldest is July (14.2 °C).

Q: How much does it rain in Termas de Rio Hondo?

Termas de Rio Hondo receives on average 1,051 mm of precipitation per year, spread over about 116 rainy days.

Q: Is it sunny in Termas de Rio Hondo?

Termas de Rio Hondo gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Termas de Rio Hondo (Argentina) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 21.2 °C and it receives 1,051 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is January (26.8 °C on average) and the coldest is July (14.2 °C). Rainfall peaks in January.

Termas de Rio Hondo averages 0 frost days, 115 hot days (≥ 30 °C) and 116 rainy days per year.

Termas de Rio Hondo has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The hottest day of the period reached 44.9 °C (on 15 November 2017) and the coldest -1.6 °C (on 6 July 1989).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

Termas de Rio HondoSantiago del Estero

coords: -27.49°, -64.86°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

21.2°C

Average daily high

26.7°C

Average daily low

16.5°C

Annual rainfall

1,051mm

Sunshine / day

9.1h

Mean relative humidity

65%

Average peak wind

15.4km/h

Seasonal range

12.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

115 d/yr

Rainy days (≥ 1 mm)

116 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.6 °C

Average feels-like low

16.4 °C

Average peak gust

31.3 km/h

Tropical nights (≥ 20 °C)

121 d/yr

Solar radiation

16.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.48 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

44.9 °C

15 November 2017

Coldest day

-1.6 °C

6 July 1989

Wettest day

136 mm

27 April 1987

Windiest day

45.1 km/h

12 July 1941

Strongest gust

86.8 km/h

31 August 2000

Hottest feels-like

47.7 °C

1 January 2017

Coldest feels-like

-5.5 °C

6 July 1989

Sunniest day

13.7 h

5 December 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	42.7 °C5 February 2025	1.7 °C3 July 2025	22.5 °C	659 mm	153	0
2024	42.9 °C3 February 2024	-0.7 °C14 July 2024	22.2 °C	770 mm	163	1
2023	43.5 °C20 January 2023	-0.1 °C15 June 2023	22.9 °C	684 mm	161	1
2022	44.4 °C9 December 2022	2.4 °C17 July 2022	21.8 °C	463 mm	144	0
2021	41.5 °C30 December 2021	0.9 °C19 July 2021	21.8 °C	644 mm	148	0
2020	42.7 °C19 October 2020	0.6 °C9 July 2020	22.4 °C	548 mm	174	0
2019	43.7 °C27 October 2019	1.4 °C26 July 2019	22.0 °C	599 mm	144	0
2018	40.6 °C11 December 2018	0.3 °C25 July 2018	21.7 °C	659 mm	149	0
2017	44.9 °C15 November 2017	-0.5 °C18 July 2017	22.1 °C	812 mm	130	1
2016	41.6 °C25 December 2016	3.2 °C22 June 2016	21.2 °C	804 mm	128	0
2015	38.5 °C12 December 2015	4.8 °C15 July 2015	21.9 °C	823 mm	126	0
2014	41.4 °C27 October 2014	2.7 °C25 July 2014	22.0 °C	921 mm	125	0
2013	42.0 °C26 December 2013	-1.3 °C22 July 2013	22.5 °C	518 mm	172	1
2012	40.8 °C16 December 2012	2.0 °C8 June 2012	22.5 °C	577 mm	152	0
2011	41.4 °C21 December 2011	0.2 °C3 July 2011	21.2 °C	955 mm	119	0
2010	39.5 °C2 December 2010	0.3 °C19 July 2010	21.0 °C	833 mm	131	0
2009	44.6 °C31 October 2009	-0.2 °C24 July 2009	22.1 °C	882 mm	150	1
2008	41.2 °C27 November 2008	1.8 °C1 June 2008	21.6 °C	1,040 mm	132	0
2007	41.2 °C1 October 2007	-1.4 °C11 July 2007	20.8 °C	871 mm	123	1
2006	40.7 °C15 November 2006	4.4 °C3 August 2006	22.3 °C	887 mm	135	0
2005	41.0 °C8 January 2005	2.8 °C17 July 2005	21.4 °C	915 mm	129	0
2004	42.0 °C2 November 2004	1.3 °C19 July 2004	22.0 °C	812 mm	156	0
2003	43.9 °C23 November 2003	1.4 °C12 July 2003	21.9 °C	785 mm	142	0
2002	41.5 °C13 October 2002	2.0 °C13 June 2002	21.4 °C	1,153 mm	128	0
2001	40.6 °C23 November 2001	1.3 °C20 June 2001	21.3 °C	1,118 mm	123	0
2000	39.9 °C2 October 2000	1.0 °C13 July 2000	20.7 °C	1,247 mm	110	0
1999	40.5 °C21 December 1999	1.5 °C15 August 1999	20.7 °C	1,209 mm	118	0
1998	42.2 °C27 December 1998	5.1 °C21 September 1998	21.1 °C	953 mm	95	0
1997	43.4 °C27 October 1997	3.9 °C20 July 1997	22.3 °C	998 mm	146	0
1996	40.6 °C3 January 1996	0.5 °C29 June 1996	21.3 °C	1,008 mm	123	0
1995	43.1 °C5 November 1995	1.2 °C20 July 1995	21.5 °C	771 mm	134	0
1994	43.3 °C19 September 1994	-1.0 °C10 July 1994	21.8 °C	1,068 mm	141	2
1993	42.2 °C16 October 1993	-0.6 °C31 July 1993	20.8 °C	969 mm	136	3
1992	37.6 °C27 October 1992	1.1 °C19 July 1992	20.3 °C	1,411 mm	104	0
1991	39.9 °C22 October 1991	1.7 °C2 August 1991	20.7 °C	1,318 mm	110	0
1990	41.2 °C21 December 1990	2.3 °C24 July 1990	21.1 °C	1,062 mm	124	0
1989	43.1 °C2 February 1989	-1.6 °C6 July 1989	22.3 °C	744 mm	163	2
1988	43.8 °C11 November 1988	0.3 °C14 July 1988	21.1 °C	893 mm	145	0
1987	40.2 °C10 October 1987	2.6 °C24 June 1987	21.2 °C	1,018 mm	130	0
1986	41.6 °C27 January 1986	5.2 °C24 June 1986	21.6 °C	999 mm	124	0
1985	39.9 °C9 November 1985	1.8 °C11 August 1985	20.9 °C	1,370 mm	111	0
1984	38.3 °C25 October 1984	-0.1 °C25 August 1984	20.3 °C	1,244 mm	96	1
1983	41.7 °C29 December 1983	1.1 °C11 July 1983	20.6 °C	1,092 mm	128	0
1982	42.4 °C18 November 1982	2.7 °C8 August 1982	21.5 °C	997 mm	119	0
1981	43.0 °C30 October 1981	1.6 °C19 July 1981	21.2 °C	1,145 mm	118	0
1980	39.5 °C3 November 1980	1.4 °C3 July 1980	21.3 °C	948 mm	138	0
1979	39.4 °C27 October 1979	3.0 °C15 June 1979	20.7 °C	1,473 mm	107	0
1978	40.3 °C9 November 1978	1.4 °C28 July 1978	21.6 °C	978 mm	135	0
1977	44.3 °C4 December 1977	3.0 °C16 July 1977	21.5 °C	1,144 mm	123	0
1976	43.0 °C13 December 1976	0.9 °C12 July 1976	20.7 °C	1,303 mm	131	0
1975	44.1 °C15 November 1975	-0.5 °C17 July 1975	21.5 °C	969 mm	133	2
1974	40.6 °C2 January 1974	3.2 °C25 July 1974	20.8 °C	1,277 mm	101	0
1973	40.4 °C21 October 1973	0.8 °C23 July 1973	20.6 °C	1,302 mm	108	0
1972	42.7 °C6 February 1972	2.0 °C8 July 1972	21.6 °C	919 mm	126	0
1971	42.6 °C29 December 1971	1.6 °C8 June 1971	20.5 °C	1,301 mm	114	0
1970	41.5 °C10 December 1970	0.2 °C7 July 1970	21.2 °C	1,196 mm	138	0
1969	40.6 °C26 October 1969	0.9 °C10 July 1969	21.6 °C	1,092 mm	139	0
1968	39.5 °C1 November 1968	2.6 °C17 May 1968	21.1 °C	1,389 mm	118	0
1967	39.6 °C30 December 1967	-0.9 °C16 June 1967	21.0 °C	1,196 mm	127	1
1966	42.4 °C8 December 1966	2.2 °C5 August 1966	21.6 °C	832 mm	126	0
1965	42.8 °C29 November 1965	3.5 °C11 July 1965	21.7 °C	867 mm	146	0
1964	39.0 °C7 December 1964	1.7 °C1 July 1964	20.8 °C	1,015 mm	111	0
1963	43.6 °C4 January 1963	3.0 °C5 August 1963	20.9 °C	1,159 mm	105	0
1962	40.2 °C28 November 1962	-0.8 °C16 July 1962	21.0 °C	720 mm	130	1
1961	40.8 °C19 December 1961	-0.8 °C14 June 1961	21.2 °C	1,134 mm	107	1
1960	39.6 °C8 December 1960	-0.5 °C8 July 1960	20.7 °C	1,281 mm	107	1
1959	37.6 °C2 November 1959	4.6 °C11 June 1959	20.2 °C	1,485 mm	82	0
1958	36.7 °C11 February 1958	3.3 °C9 August 1958	20.5 °C	1,298 mm	88	0
1957	39.2 °C6 October 1957	0.8 °C20 July 1957	20.1 °C	1,384 mm	79	0
1956	34.6 °C4 January 1956	6.8 °C11 June 1956	19.7 °C	1,274 mm	28	0
1955	37.7 °C5 January 1955	2.1 °C30 July 1955	19.9 °C	1,465 mm	51	0
1954	37.2 °C8 December 1954	5.0 °C5 August 1954	20.1 °C	1,229 mm	62	0
1953	34.5 °C20 January 1953	6.3 °C24 July 1953	20.9 °C	1,701 mm	48	0
1952	38.3 °C23 December 1952	4.3 °C30 June 1952	20.6 °C	1,121 mm	85	0
1951	34.0 °C24 September 1951	5.8 °C3 August 1951	20.9 °C	1,532 mm	39	0
1950	36.0 °C11 December 1950	3.8 °C2 August 1950	20.4 °C	1,096 mm	65	0
1949	34.8 °C25 February 1949	4.1 °C11 August 1949	20.1 °C	1,441 mm	65	0
1948	33.9 °C26 February 1948	5.3 °C10 August 1948	20.3 °C	1,573 mm	39	0
1947	33.8 °C2 February 1947	4.0 °C14 July 1947	20.0 °C	1,702 mm	29	0
1946	35.8 °C1 January 1946	4.4 °C16 July 1946	20.3 °C	1,301 mm	46	0
1945	38.1 °C25 December 1945	1.9 °C24 June 1945	21.1 °C	797 mm	101	0
1944	34.4 °C9 January 1944	0.5 °C7 July 1944	20.5 °C	1,326 mm	66	0
1943	43.0 °C17 January 1943	5.2 °C24 August 1943	22.0 °C	1,047 mm	118	0
1942	38.2 °C27 December 1942	1.0 °C19 June 1942	20.8 °C	684 mm	125	0
1941	40.8 °C29 November 1941	2.7 °C28 June 1941	20.6 °C	712 mm	80	0
1940	34.3 °C1 November 1940	6.5 °C18 August 1940	19.7 °C	1,508 mm	29	0

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

28.6 °C

+1.9 °C

Hot days (≥ 30 °C)

153 d/yr

+38

Frost days (< 0 °C)

0 d/yr

Annual rainfall

659 mm

-392 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	34.5 °C	+2.5 °C	95 mm	-92 mm
Feb	36.5 °C	+5.8 °C	100 mm	-57 mm
Mar	29.7 °C	+1.0 °C	82 mm	-74 mm
Apr	25.8 °C	+0.2 °C	19 mm	-63 mm
May	24.6 °C	+2.0 °C	30 mm	-8 mm
Jun	20.2 °C	+0.4 °C	2 mm	-23 mm
Jul	21.6 °C	+1.2 °C	23 mm	+3 mm
Aug	24.4 °C	+1.0 °C	2 mm	-15 mm
Sep	29.1 °C	+2.9 °C	9 mm	-26 mm
Oct	30.9 °C	+2.2 °C	36 mm	-39 mm
Nov	33.4 °C	+2.9 °C	23 mm	-89 mm
Dec	33.3 °C	+1.4 °C	237 mm	+90 mm

The year's extremes

Hottest day

42.7 °C

5 Feb 2025

Coldest day

1.7 °C

3 Jul 2025

Wettest day

68.2 mm

25 Dec 2025

Windiest day

42.7 km/h

27 Sep 2025

Strongest gust

77.0 km/h

21 Nov 2025

Hottest feels-like

47.2 °C

5 Feb 2025

Coldest feels-like

-2.1 °C

3 Jul 2025

Sunniest day

13.7 h

8 Dec 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Termas de Rio Hondo?

Termas de Rio Hondo has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.2 °C and it receives 1,051 mm of precipitation per year.

What is the hottest day ever recorded in Termas de Rio Hondo?

The hottest day measured in Termas de Rio Hondo between 1940 and 2025 was 15 November 2017, reaching 44.9 °C.

What is the coldest day in Termas de Rio Hondo?

The coldest day measured in Termas de Rio Hondo between 1940 and 2025 was 6 July 1989, at -1.6 °C.

Does it snow in Termas de Rio Hondo?

Almost never: Termas de Rio Hondo sees virtually no snow, with about 0 frost days per year.

Has the climate of Termas de Rio Hondo warmed?

Yes: Termas de Rio Hondo warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Termas de Rio Hondo?

The wettest day measured in Termas de Rio Hondo between 1940 and 2025 was 27 April 1987, with 136 mm of rain in 24 hours.

What was the windiest day in Termas de Rio Hondo?

The windiest day measured in Termas de Rio Hondo between 1940 and 2025 was 12 July 1941, with winds reaching 45.1 km/h.

What is the warmest month in Termas de Rio Hondo?

The warmest month in Termas de Rio Hondo is January (26.8 °C on average); the coldest is July (14.2 °C).

How much does it rain in Termas de Rio Hondo?

Termas de Rio Hondo receives on average 1,051 mm of precipitation per year, spread over about 116 rainy days.

Is it sunny in Termas de Rio Hondo?

Termas de Rio Hondo gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Are there tropical nights in Termas de Rio Hondo?

Yes: Termas de Rio Hondo has on average 121 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Termas de Rio Hondo?

In Termas de Rio Hondo, between 1940 and 2025, the highest apparent temperature reached 47.7 °C on 1 January 2017, and the lowest was -5.5 °C on 6 July 1989.

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