Quedas do Iguaçu climate — normals and trends

Q: What is the climate of Quedas do Iguaçu?

Quedas do Iguaçu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.1 °C and it receives 1,832 mm of precipitation per year.

Q: What is the hottest day ever recorded in Quedas do Iguaçu?

The hottest day measured in Quedas do Iguaçu between 1940 and 2025 was 25 November 1942, reaching 38.2 °C.

Q: What is the coldest day in Quedas do Iguaçu?

The coldest day measured in Quedas do Iguaçu between 1940 and 2025 was 18 July 1975, at -4.4 °C.

Q: Does it snow in Quedas do Iguaçu?

Almost never: Quedas do Iguaçu sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Quedas do Iguaçu warmed?

Yes: Quedas do Iguaçu warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Quedas do Iguaçu?

The wettest day measured in Quedas do Iguaçu between 1940 and 2025 was 19 May 1987, with 131 mm of rain in 24 hours.

Q: What was the windiest day in Quedas do Iguaçu?

The windiest day measured in Quedas do Iguaçu between 1940 and 2025 was 15 September 1956, with winds reaching 49.6 km/h.

Q: What is the warmest month in Quedas do Iguaçu?

The warmest month in Quedas do Iguaçu is January (23.8 °C on average); the coldest is July (15.7 °C).

Q: How much does it rain in Quedas do Iguaçu?

Quedas do Iguaçu receives on average 1,832 mm of precipitation per year, spread over about 155 rainy days.

Q: Is it sunny in Quedas do Iguaçu?

Quedas do Iguaçu gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Quedas do Iguaçu (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.1 °C and it receives 1,832 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 (23.8 °C on average) and the coldest is July (15.7 °C). Rainfall peaks in October.

Quedas do Iguaçu averages 1 frost days, 58 hot days (≥ 30 °C) and 155 rainy days per year.

Quedas do Iguaçu has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The number of frost days there went from about 1 to 1 per year over the period.

The hottest day of the period reached 38.2 °C (on 25 November 1942) and the coldest -4.4 °C (on 18 July 1975).

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

Quedas do IguaçuParaná

coords: -25.45°, -52.90°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthAugust

Mean daily temperature

20.1°C

Average daily high

25.6°C

Average daily low

15.8°C

Annual rainfall

1,832mm

Sunshine / day

9.4h

Mean relative humidity

79%

Average peak wind

12.8km/h

Seasonal range

8.1°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

58 d/yr

Rainy days (≥ 1 mm)

155 d/yr

Annual snowfall

0.1 cm

Average feels-like high

27.9 °C

Average feels-like low

16.0 °C

Average peak gust

31.5 km/h

Tropical nights (≥ 20 °C)

58 d/yr

Solar radiation

17.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.29 · 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

38.2 °C

25 November 1942

Coldest day

-4.4 °C

18 July 1975

Wettest day

131 mm

19 May 1987

Windiest day

49.6 km/h

15 September 1956

Strongest gust

100.8 km/h

15 September 1956

Hottest feels-like

42.7 °C

2 February 2019

Coldest feels-like

-8.1 °C

18 July 1975

Snowiest day

5.5 cm

21 August 1965

Sunniest day

13.2 h

7 January 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.5 °C2 March 2025	-1.1 °C24 June 2025	20.3 °C	1,612 mm	78	1
2024	35.8 °C8 September 2024	2.0 °C30 June 2024	21.6 °C	1,525 mm	106	0
2023	35.5 °C24 September 2023	4.7 °C18 June 2023	20.9 °C	1,809 mm	68	0
2022	36.7 °C23 January 2022	0.3 °C12 June 2022	20.0 °C	1,980 mm	71	0
2021	35.6 °C20 September 2021	-1.1 °C19 July 2021	20.5 °C	1,384 mm	84	5
2020	37.3 °C30 September 2020	2.3 °C21 August 2020	21.0 °C	1,164 mm	104	0
2019	37.1 °C2 February 2019	-1.7 °C6 July 2019	21.6 °C	1,539 mm	101	1
2018	35.1 °C14 December 2018	2.6 °C26 August 2018	20.5 °C	1,647 mm	67	0
2017	36.3 °C22 September 2017	0.1 °C18 July 2017	21.1 °C	1,793 mm	96	0
2016	35.4 °C29 January 2016	-0.6 °C12 June 2016	20.0 °C	1,960 mm	84	1
2015	35.6 °C15 October 2015	2.8 °C16 June 2015	21.0 °C	2,294 mm	69	0
2014	36.5 °C12 October 2014	3.7 °C14 August 2014	20.9 °C	1,952 mm	81	0
2013	34.0 °C11 November 2013	-1.4 °C24 July 2013	20.0 °C	2,079 mm	57	2
2012	36.2 °C7 October 2012	1.9 °C8 June 2012	20.9 °C	1,611 mm	101	0
2011	34.5 °C26 January 2011	-0.3 °C28 June 2011	20.1 °C	1,903 mm	68	1
2010	35.4 °C5 February 2010	-0.9 °C14 July 2010	19.9 °C	1,785 mm	67	1
2009	35.3 °C3 November 2009	-1.6 °C25 July 2009	20.1 °C	1,902 mm	84	1
2008	35.8 °C8 December 2008	-0.1 °C16 June 2008	20.0 °C	1,885 mm	69	1
2007	34.4 °C29 March 2007	-0.1 °C30 May 2007	20.6 °C	1,517 mm	101	1
2006	36.0 °C16 December 2006	0.4 °C5 September 2006	20.7 °C	1,367 mm	93	0
2005	36.0 °C12 March 2005	2.3 °C19 July 2005	20.8 °C	1,648 mm	98	0
2004	35.6 °C2 March 2004	-0.2 °C13 June 2004	20.2 °C	1,873 mm	80	1
2003	35.5 °C1 March 2003	0.6 °C12 July 2003	20.2 °C	1,516 mm	85	0
2002	34.9 °C7 October 2002	0.6 °C3 September 2002	21.0 °C	1,806 mm	89	0
2001	33.8 °C15 March 2001	0.2 °C28 July 2001	20.6 °C	1,886 mm	73	0
2000	33.4 °C23 January 2000	-2.4 °C13 July 2000	19.9 °C	2,217 mm	64	4
1999	35.2 °C21 December 1999	0.3 °C15 August 1999	19.9 °C	1,445 mm	77	0
1998	34.2 °C3 December 1998	3.8 °C25 June 1998	20.0 °C	2,657 mm	62	0
1997	33.3 °C13 September 1997	3.0 °C1 July 1997	20.3 °C	2,271 mm	58	0
1996	32.9 °C9 December 1996	0.7 °C30 June 1996	19.7 °C	2,333 mm	50	0
1995	34.8 °C17 December 1995	1.7 °C26 June 1995	20.4 °C	2,013 mm	70	0
1994	35.2 °C26 December 1994	-1.7 °C26 June 1994	20.6 °C	2,163 mm	74	2
1993	34.5 °C3 December 1993	-1.1 °C15 July 1993	19.9 °C	1,838 mm	70	3
1992	33.7 °C23 December 1992	0.3 °C23 July 1992	19.9 °C	2,022 mm	65	0
1991	35.7 °C20 January 1991	-0.8 °C3 August 1991	20.6 °C	1,603 mm	100	2
1990	34.4 °C14 November 1990	-0.3 °C28 July 1990	19.7 °C	2,249 mm	70	1
1989	32.6 °C24 December 1989	-0.8 °C6 July 1989	19.4 °C	2,113 mm	36	1
1988	35.9 °C20 January 1988	-0.8 °C1 June 1988	20.2 °C	1,539 mm	99	3
1987	35.2 °C11 October 1987	0.2 °C24 June 1987	20.0 °C	2,182 mm	72	0
1986	34.3 °C17 January 1986	2.2 °C1 June 1986	20.3 °C	1,938 mm	56	0
1985	37.9 °C17 November 1985	0.2 °C10 June 1985	20.5 °C	1,362 mm	101	0
1984	34.9 °C17 January 1984	-1.8 °C26 August 1984	20.4 °C	1,887 mm	70	2
1983	32.3 °C26 November 1983	2.6 °C5 June 1983	19.9 °C	2,673 mm	59	0
1982	33.6 °C18 January 1982	3.6 °C30 July 1982	20.3 °C	2,032 mm	46	0
1981	33.3 °C19 September 1981	-1.9 °C19 June 1981	19.9 °C	1,729 mm	51	4
1980	33.6 °C26 October 1980	0.5 °C17 September 1980	20.1 °C	2,022 mm	69	0
1979	34.7 °C26 January 1979	0.4 °C1 June 1979	19.4 °C	2,100 mm	46	0
1978	36.0 °C30 January 1978	0.1 °C2 June 1978	20.4 °C	1,242 mm	97	0
1977	33.9 °C12 March 1977	1.9 °C18 May 1977	20.8 °C	1,930 mm	79	0
1976	33.0 °C20 January 1976	0.2 °C10 July 1976	19.1 °C	1,717 mm	57	0
1975	35.5 °C13 February 1975	-4.4 °C18 July 1975	19.7 °C	1,858 mm	45	3
1974	33.3 °C27 December 1974	1.7 °C13 June 1974	19.3 °C	1,664 mm	45	0
1973	33.8 °C22 February 1973	3.1 °C19 June 1973	20.0 °C	2,090 mm	54	0
1972	35.7 °C27 October 1972	-0.2 °C9 July 1972	19.8 °C	2,113 mm	41	1
1971	34.7 °C26 January 1971	1.6 °C13 June 1971	19.5 °C	1,687 mm	53	0
1970	35.2 °C8 December 1970	2.8 °C24 June 1970	20.0 °C	1,704 mm	65	0
1969	34.2 °C8 February 1969	2.0 °C4 June 1969	19.8 °C	1,659 mm	66	0
1968	34.7 °C3 November 1968	0.9 °C17 May 1968	19.3 °C	1,428 mm	64	0
1967	33.5 °C10 October 1967	1.4 °C9 June 1967	20.3 °C	1,585 mm	50	0
1966	32.5 °C24 January 1966	-0.4 °C6 August 1966	19.5 °C	1,679 mm	42	1
1965	32.8 °C22 January 1965	1.4 °C11 July 1965	19.3 °C	2,069 mm	30	0
1964	34.2 °C13 March 1964	1.8 °C28 July 1964	19.1 °C	1,302 mm	60	0
1963	33.7 °C29 November 1963	-1.1 °C6 August 1963	20.3 °C	1,698 mm	76	1
1962	33.8 °C25 December 1962	0.4 °C26 July 1962	18.7 °C	1,276 mm	43	0
1961	33.9 °C3 September 1961	-0.3 °C16 June 1961	20.5 °C	1,333 mm	62	1
1960	34.6 °C10 December 1960	1.0 °C21 May 1960	19.3 °C	1,593 mm	39	0
1959	31.6 °C2 October 1959	4.4 °C15 August 1959	20.1 °C	1,657 mm	21	0
1958	34.4 °C5 January 1958	3.2 °C11 August 1958	20.0 °C	1,892 mm	48	0
1957	32.9 °C18 October 1957	2.1 °C22 July 1957	19.8 °C	1,946 mm	16	0
1956	32.3 °C6 February 1956	2.7 °C18 May 1956	19.0 °C	1,639 mm	12	0
1955	32.0 °C14 September 1955	-2.3 °C31 July 1955	19.5 °C	1,963 mm	30	1
1954	32.0 °C10 December 1954	4.9 °C21 June 1954	19.9 °C	2,003 mm	17	0
1953	31.4 °C21 January 1953	5.1 °C6 July 1953	20.5 °C	1,795 mm	10	0
1952	33.0 °C26 December 1952	4.0 °C10 June 1952	19.8 °C	1,519 mm	24	0
1951	32.0 °C25 September 1951	4.2 °C30 August 1951	19.9 °C	1,801 mm	9	0
1950	31.2 °C2 September 1950	3.1 °C11 July 1950	19.6 °C	2,107 mm	4	0
1949	31.7 °C15 November 1949	3.7 °C14 May 1949	19.5 °C	2,515 mm	9	0
1948	32.6 °C24 September 1948	3.5 °C22 May 1948	19.7 °C	2,664 mm	8	0
1947	31.1 °C29 November 1947	2.2 °C10 July 1947	19.4 °C	2,118 mm	4	0
1946	29.9 °C3 November 1946	2.3 °C18 July 1946	19.6 °C	2,711 mm	0	0
1945	32.2 °C16 January 1945	2.2 °C24 June 1945	19.9 °C	1,788 mm	10	0
1944	32.7 °C6 September 1944	2.7 °C27 June 1944	21.2 °C	1,006 mm	36	0
1943	36.6 °C17 January 1943	3.6 °C23 August 1943	20.2 °C	739 mm	75	0
1942	38.2 °C25 November 1942	0.3 °C19 June 1942	19.8 °C	1,299 mm	65	0
1941	30.7 °C9 January 1941	2.2 °C16 September 1941	19.8 °C	2,458 mm	7	0
1940	30.2 °C21 March 1940	3.9 °C17 August 1940	19.8 °C	2,459 mm	4	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

25.7 °C

+0.1 °C

Hot days (≥ 30 °C)

78 d/yr

+20

Frost days (< 0 °C)

1 d/yr

Annual rainfall

1612 mm

-220 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.8 °C	+0.8 °C	90 mm	-105 mm
Feb	30.8 °C	+2.1 °C	95 mm	-79 mm
Mar	29.9 °C	+1.8 °C	118 mm	-28 mm
Apr	24.4 °C	-1.2 °C	168 mm	+46 mm
May	23.9 °C	+1.4 °C	107 mm	-31 mm
Jun	19.4 °C	-1.6 °C	191 mm	+58 mm
Jul	21.3 °C	-0.1 °C	63 mm	-48 mm
Aug	22.7 °C	-0.8 °C	95 mm	-13 mm
Sep	25.8 °C	+0.8 °C	93 mm	-59 mm
Oct	25.0 °C	-1.3 °C	177 mm	-32 mm
Nov	27.4 °C	-0.3 °C	183 mm	+21 mm
Dec	28.5 °C	-0.1 °C	234 mm	+52 mm

The year's extremes

Hottest day

34.5 °C

2 Mar 2025

Coldest day

-1.1 °C

24 Jun 2025

Wettest day

54.7 mm

12 Dec 2025

Windiest day

30.1 km/h

10 Dec 2025

Strongest gust

74.9 km/h

28 May 2025

Hottest feels-like

39.1 °C

2 Mar 2025

Coldest feels-like

-4.1 °C

24 Jun 2025

Sunniest day

13.1 h

5 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 Quedas do Iguaçu?

Quedas do Iguaçu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.1 °C and it receives 1,832 mm of precipitation per year.

What is the hottest day ever recorded in Quedas do Iguaçu?

The hottest day measured in Quedas do Iguaçu between 1940 and 2025 was 25 November 1942, reaching 38.2 °C.

What is the coldest day in Quedas do Iguaçu?

The coldest day measured in Quedas do Iguaçu between 1940 and 2025 was 18 July 1975, at -4.4 °C.

Does it snow in Quedas do Iguaçu?

Almost never: Quedas do Iguaçu sees virtually no snow, with about 1 frost days per year.

Has the climate of Quedas do Iguaçu warmed?

Yes: Quedas do Iguaçu warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Quedas do Iguaçu?

The wettest day measured in Quedas do Iguaçu between 1940 and 2025 was 19 May 1987, with 131 mm of rain in 24 hours.

What was the windiest day in Quedas do Iguaçu?

The windiest day measured in Quedas do Iguaçu between 1940 and 2025 was 15 September 1956, with winds reaching 49.6 km/h.

What is the warmest month in Quedas do Iguaçu?

The warmest month in Quedas do Iguaçu is January (23.8 °C on average); the coldest is July (15.7 °C).

How much does it rain in Quedas do Iguaçu?

Quedas do Iguaçu receives on average 1,832 mm of precipitation per year, spread over about 155 rainy days.

Is it sunny in Quedas do Iguaçu?

Quedas do Iguaçu gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

What is the biggest single-day snowfall in Quedas do Iguaçu?

The heaviest 24-hour snowfall measured in Quedas do Iguaçu between 1940 and 2025 was 21 August 1965, with 5.5 cm.

Are there tropical nights in Quedas do Iguaçu?

Yes: Quedas do Iguaçu has on average 58 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Quedas do Iguaçu?

In Quedas do Iguaçu, between 1940 and 2025, the highest apparent temperature reached 42.7 °C on 2 February 2019, and the lowest was -8.1 °C on 18 July 1975.

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