Nova Hartz climate — normals and trends

Q: What is the climate of Nova Hartz?

Nova Hartz has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.8 °C and it receives 1,922 mm of precipitation per year.

Q: What is the hottest day ever recorded in Nova Hartz?

The hottest day measured in Nova Hartz between 1940 and 2025 was 16 November 1985, reaching 37.5 °C.

Q: What is the coldest day in Nova Hartz?

The coldest day measured in Nova Hartz between 1940 and 2025 was 14 July 1991, at -4.3 °C.

Q: Does it snow in Nova Hartz?

Almost never: Nova Hartz sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Nova Hartz warmed?

Yes: Nova Hartz warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Nova Hartz?

The wettest day measured in Nova Hartz between 1940 and 2025 was 23 April 1998, with 115 mm of rain in 24 hours.

Q: What was the windiest day in Nova Hartz?

The windiest day measured in Nova Hartz between 1940 and 2025 was 16 September 1956, with winds reaching 40.0 km/h.

Q: What is the warmest month in Nova Hartz?

The warmest month in Nova Hartz is January (22.4 °C on average); the coldest is July (13.0 °C).

Q: How much does it rain in Nova Hartz?

Nova Hartz receives on average 1,922 mm of precipitation per year, spread over about 167 rainy days.

Q: Is it sunny in Nova Hartz?

Nova Hartz gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

Nova Hartz (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.8 °C and it receives 1,922 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 (22.4 °C on average) and the coldest is July (13.0 °C). Rainfall peaks in January.

Nova Hartz averages 1 frost days, 27 hot days (≥ 30 °C) and 167 rainy days per year.

Nova Hartz has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.5 °C (on 16 November 1985) and the coldest -4.3 °C (on 14 July 1991).

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

Nova HartzRio Grande do Sul

coords: -29.58°, -50.90°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthApril

Mean daily temperature

17.8°C

Average daily high

22.9°C

Average daily low

13.6°C

Annual rainfall

1,922mm

Sunshine / day

8.9h

Mean relative humidity

82%

Average peak wind

12.1km/h

Seasonal range

9.4°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

27 d/yr

Rainy days (≥ 1 mm)

167 d/yr

Annual snowfall

0.1 cm

Average feels-like high

24.7 °C

Average feels-like low

13.3 °C

Average peak gust

32.6 km/h

Tropical nights (≥ 20 °C)

23 d/yr

Solar radiation

15.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.8 °C

since 1940

+0.1 °C per decade · r² = 0.21 · 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

37.5 °C

16 November 1985

Coldest day

-4.3 °C

14 July 1991

Wettest day

115 mm

23 April 1998

Windiest day

40.0 km/h

16 September 1956

Strongest gust

112.7 km/h

2 July 1983

Hottest feels-like

42.9 °C

7 February 2014

Coldest feels-like

-7.7 °C

14 July 1991

Snowiest day

1.8 cm

24 August 1984

Sunniest day

13.7 h

3 December 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.2 °C11 February 2025	-1.1 °C2 July 2025	18.0 °C	1,934 mm	44	2
2024	34.9 °C12 February 2024	0.8 °C13 August 2024	18.7 °C	2,307 mm	33	0
2023	35.7 °C17 December 2023	-0.8 °C28 August 2023	18.6 °C	2,321 mm	47	1
2022	36.3 °C22 January 2022	1.4 °C31 May 2022	17.5 °C	1,890 mm	45	0
2021	33.4 °C25 November 2021	-0.4 °C30 July 2021	17.8 °C	1,322 mm	24	1
2020	34.5 °C14 March 2020	-1.1 °C15 July 2020	18.0 °C	1,577 mm	26	1
2019	36.2 °C12 October 2019	-1.6 °C7 July 2019	18.9 °C	1,702 mm	54	1
2018	35.3 °C11 December 2018	-0.6 °C17 June 2018	18.2 °C	1,789 mm	27	1
2017	33.7 °C18 February 2017	-0.9 °C19 July 2017	19.0 °C	2,025 mm	48	1
2016	34.0 °C24 January 2016	-1.4 °C13 June 2016	17.8 °C	1,646 mm	36	1
2015	33.5 °C6 January 2015	1.7 °C16 June 2015	18.7 °C	2,474 mm	27	0
2014	36.0 °C6 February 2014	-1.1 °C14 August 2014	18.6 °C	2,179 mm	51	2
2013	35.2 °C26 December 2013	-0.8 °C25 July 2013	17.7 °C	1,909 mm	33	2
2012	35.8 °C25 December 2012	-3.8 °C9 June 2012	18.5 °C	1,542 mm	56	4
2011	34.6 °C22 December 2011	-1.7 °C5 July 2011	17.6 °C	2,034 mm	25	7
2010	35.9 °C3 February 2010	-0.9 °C15 July 2010	17.7 °C	2,082 mm	29	1
2009	34.0 °C2 November 2009	-4.0 °C25 July 2009	17.5 °C	2,065 mm	26	4
2008	33.0 °C8 December 2008	-1.5 °C31 May 2008	17.4 °C	1,900 mm	26	2
2007	33.9 °C10 December 2007	-2.0 °C29 July 2007	18.0 °C	2,292 mm	42	4
2006	35.6 °C17 December 2006	-1.3 °C22 August 2006	18.1 °C	1,683 mm	44	4
2005	34.7 °C8 March 2005	0.3 °C20 July 2005	18.3 °C	1,834 mm	47	0
2004	34.4 °C7 September 2004	-2.0 °C11 July 2004	17.6 °C	1,657 mm	18	2
2003	34.6 °C4 February 2003	-2.8 °C12 July 2003	18.0 °C	1,899 mm	30	1
2002	34.3 °C10 March 2002	-0.6 °C25 June 2002	18.5 °C	2,333 mm	32	1
2001	33.4 °C7 February 2001	-0.3 °C22 June 2001	18.6 °C	1,982 mm	40	2
2000	33.8 °C12 February 2000	-2.8 °C14 July 2000	17.5 °C	2,133 mm	31	3
1999	34.0 °C26 December 1999	1.6 °C9 August 1999	17.3 °C	1,706 mm	28	0
1998	33.6 °C21 January 1998	2.4 °C21 June 1998	17.5 °C	2,779 mm	22	0
1997	33.8 °C8 January 1997	-1.8 °C30 June 1997	18.1 °C	2,385 mm	36	3
1996	33.9 °C11 January 1996	-2.2 °C30 June 1996	17.5 °C	2,168 mm	26	2
1995	36.2 °C18 December 1995	-3.3 °C5 August 1995	17.8 °C	1,988 mm	42	1
1994	36.2 °C12 December 1994	-1.1 °C24 July 1994	18.2 °C	2,098 mm	33	2
1993	33.7 °C11 November 1993	-0.7 °C16 July 1993	17.7 °C	2,113 mm	36	3
1992	33.7 °C20 February 1992	-1.2 °C3 August 1992	17.6 °C	2,089 mm	31	1
1991	33.9 °C15 October 1991	-4.3 °C14 July 1991	17.9 °C	1,749 mm	40	7
1990	34.4 °C14 November 1990	-2.0 °C29 August 1990	17.5 °C	2,231 mm	32	3
1989	32.9 °C16 December 1989	0.6 °C1 August 1989	17.5 °C	1,789 mm	29	0
1988	33.6 °C24 March 1988	-2.5 °C9 July 1988	17.3 °C	1,699 mm	39	5
1987	33.8 °C1 December 1987	-1.3 °C24 June 1987	17.7 °C	2,506 mm	29	1
1986	35.0 °C16 January 1986	1.3 °C14 May 1986	18.5 °C	1,950 mm	31	0
1985	37.5 °C16 November 1985	2.6 °C2 May 1985	18.4 °C	1,908 mm	31	0
1984	34.8 °C4 February 1984	0.5 °C28 June 1984	18.0 °C	2,190 mm	35	0
1983	32.9 °C23 January 1983	0.1 °C9 September 1983	17.7 °C	2,517 mm	27	0
1982	32.7 °C29 January 1982	1.3 °C29 May 1982	18.1 °C	1,781 mm	24	0
1981	33.2 °C18 February 1981	0.4 °C21 June 1981	18.0 °C	1,712 mm	23	0
1980	32.9 °C9 December 1980	-0.3 °C15 July 1980	18.0 °C	1,922 mm	27	2
1979	35.9 °C11 February 1979	0.7 °C14 June 1979	17.1 °C	1,777 mm	26	0
1978	35.9 °C1 February 1978	-0.4 °C6 June 1978	17.7 °C	1,689 mm	22	1
1977	33.9 °C16 February 1977	0.9 °C2 September 1977	18.7 °C	2,000 mm	49	0
1976	33.5 °C14 December 1976	-0.4 °C10 July 1976	17.1 °C	2,009 mm	19	2
1975	33.9 °C15 November 1975	-0.5 °C19 July 1975	17.5 °C	2,122 mm	22	3
1974	33.6 °C27 December 1974	0.4 °C9 August 1974	17.5 °C	1,802 mm	36	0
1973	33.0 °C24 February 1973	1.3 °C19 July 1973	17.8 °C	2,296 mm	28	0
1972	34.3 °C28 December 1972	-0.7 °C14 July 1972	17.9 °C	2,355 mm	25	1
1971	34.5 °C20 December 1971	-2.1 °C17 June 1971	17.5 °C	2,035 mm	37	3
1970	33.7 °C27 December 1970	-0.3 °C25 June 1970	17.9 °C	1,990 mm	35	1
1969	33.3 °C27 October 1969	0.5 °C19 June 1969	17.6 °C	1,912 mm	24	0
1968	34.5 °C12 December 1968	-1.4 °C3 September 1968	17.3 °C	1,544 mm	31	1
1967	34.4 °C10 November 1967	-2.8 °C14 June 1967	17.9 °C	2,010 mm	19	2
1966	32.2 °C14 December 1966	-1.0 °C1 July 1966	17.0 °C	2,068 mm	10	1
1965	32.6 °C2 February 1965	-1.8 °C7 July 1965	17.1 °C	1,970 mm	21	5
1964	33.0 °C3 March 1964	-0.7 °C21 July 1964	16.8 °C	1,493 mm	27	2
1963	34.6 °C6 January 1963	0.2 °C23 July 1963	17.8 °C	1,912 mm	24	0
1962	33.2 °C28 November 1962	0.7 °C23 June 1962	16.4 °C	1,307 mm	14	0
1961	33.4 °C14 September 1961	-1.4 °C17 June 1961	18.1 °C	1,893 mm	27	3
1960	31.6 °C24 December 1960	-1.5 °C25 June 1960	16.9 °C	1,684 mm	17	3
1959	31.5 °C26 October 1959	1.5 °C11 June 1959	17.6 °C	1,963 mm	9	0
1958	34.2 °C7 January 1958	0.9 °C24 May 1958	17.5 °C	1,942 mm	11	0
1957	32.9 °C26 December 1957	-1.5 °C3 August 1957	17.3 °C	1,945 mm	13	1
1956	33.1 °C5 February 1956	0.3 °C15 May 1956	16.5 °C	1,638 mm	5	0
1955	32.5 °C6 February 1955	-2.0 °C1 August 1955	16.9 °C	1,862 mm	14	4
1954	31.3 °C29 January 1954	2.7 °C21 May 1954	17.5 °C	2,168 mm	8	0
1953	32.9 °C5 January 1953	2.8 °C25 July 1953	18.1 °C	1,746 mm	19	0
1952	34.0 °C27 December 1952	2.6 °C13 June 1952	17.4 °C	1,528 mm	19	0
1951	31.4 °C25 September 1951	2.0 °C6 July 1951	17.5 °C	1,704 mm	7	0
1950	31.0 °C29 January 1950	-0.8 °C11 July 1950	17.1 °C	1,768 mm	5	2
1949	32.5 °C20 December 1949	-1.5 °C16 August 1949	17.2 °C	1,620 mm	8	1
1948	30.9 °C25 September 1948	-1.0 °C9 August 1948	17.5 °C	2,630 mm	5	1
1947	31.2 °C22 January 1947	-0.5 °C11 July 1947	17.3 °C	1,714 mm	7	1
1946	30.8 °C16 February 1946	0.0 °C19 July 1946	17.4 °C	2,110 mm	4	0
1945	34.0 °C15 January 1945	-0.5 °C24 June 1945	18.0 °C	1,490 mm	14	2
1944	31.6 °C2 January 1944	0.6 °C27 June 1944	18.6 °C	1,421 mm	15	0
1943	35.6 °C2 January 1943	1.6 °C24 August 1943	18.1 °C	1,091 mm	43	0
1942	36.3 °C26 November 1942	-1.7 °C18 June 1942	17.5 °C	1,226 mm	29	3
1941	31.6 °C25 November 1941	-0.5 °C19 July 1941	17.7 °C	2,094 mm	6	2
1940	31.8 °C14 January 1940	1.7 °C10 August 1940	17.8 °C	1,994 mm	8	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

23.2 °C

+0.3 °C

Hot days (≥ 30 °C)

44 d/yr

+17

Frost days (< 0 °C)

2 d/yr

Annual rainfall

1934 mm

+12 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.4 °C	-0.1 °C	147 mm	-58 mm
Feb	29.8 °C	+2.6 °C	117 mm	-58 mm
Mar	28.2 °C	+2.2 °C	58 mm	-97 mm
Apr	22.6 °C	-0.6 °C	148 mm	+19 mm
May	21.3 °C	+1.3 °C	176 mm	+43 mm
Jun	15.5 °C	-2.7 °C	257 mm	+116 mm
Jul	17.4 °C	-0.8 °C	91 mm	-48 mm
Aug	19.5 °C	-0.2 °C	117 mm	-32 mm
Sep	20.9 °C	0.0 °C	263 mm	+77 mm
Oct	22.7 °C	-0.1 °C	160 mm	-31 mm
Nov	24.6 °C	-0.1 °C	159 mm	+4 mm
Dec	28.1 °C	+1.4 °C	242 mm	+78 mm

The year's extremes

Hottest day

35.2 °C

11 Feb 2025

Coldest day

-1.1 °C

2 Jul 2025

Wettest day

58.0 mm

21 Sep 2025

Windiest day

28.1 km/h

20 Aug 2025

Strongest gust

69.1 km/h

17 Jun 2025

Hottest feels-like

40.6 °C

3 Mar 2025

Coldest feels-like

-3.9 °C

1 Jul 2025

Sunniest day

13.7 h

28 Nov 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 Nova Hartz?

Nova Hartz has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.8 °C and it receives 1,922 mm of precipitation per year.

What is the hottest day ever recorded in Nova Hartz?

The hottest day measured in Nova Hartz between 1940 and 2025 was 16 November 1985, reaching 37.5 °C.

What is the coldest day in Nova Hartz?

The coldest day measured in Nova Hartz between 1940 and 2025 was 14 July 1991, at -4.3 °C.

Does it snow in Nova Hartz?

Almost never: Nova Hartz sees virtually no snow, with about 1 frost days per year.

Has the climate of Nova Hartz warmed?

Yes: Nova Hartz warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Nova Hartz?

The wettest day measured in Nova Hartz between 1940 and 2025 was 23 April 1998, with 115 mm of rain in 24 hours.

What was the windiest day in Nova Hartz?

The windiest day measured in Nova Hartz between 1940 and 2025 was 16 September 1956, with winds reaching 40.0 km/h.

What is the warmest month in Nova Hartz?

The warmest month in Nova Hartz is January (22.4 °C on average); the coldest is July (13.0 °C).

How much does it rain in Nova Hartz?

Nova Hartz receives on average 1,922 mm of precipitation per year, spread over about 167 rainy days.

Is it sunny in Nova Hartz?

Nova Hartz gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

What is the biggest single-day snowfall in Nova Hartz?

The heaviest 24-hour snowfall measured in Nova Hartz between 1940 and 2025 was 24 August 1984, with 1.8 cm.

Are there tropical nights in Nova Hartz?

Yes: Nova Hartz has on average 23 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nova Hartz?

In Nova Hartz, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 7 February 2014, and the lowest was -7.7 °C on 14 July 1991.

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