Nova Mamoré climate — normals and trends

Q: What is the climate of Nova Mamoré?

Nova Mamoré has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.6 °C and it receives 1,627 mm of precipitation per year.

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

The hottest day measured in Nova Mamoré between 1940 and 2025 was 21 September 2024, reaching 39.6 °C.

Q: What is the coldest day in Nova Mamoré?

The coldest day measured in Nova Mamoré between 1940 and 2025 was 19 July 1975, at 9.4 °C.

Q: Does it snow in Nova Mamoré?

Almost never: Nova Mamoré sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Nova Mamoré warmed?

Yes: Nova Mamoré warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Nova Mamoré?

The wettest day measured in Nova Mamoré between 1940 and 2025 was 26 December 2020, with 147 mm of rain in 24 hours.

Q: What was the windiest day in Nova Mamoré?

The windiest day measured in Nova Mamoré between 1940 and 2025 was 25 June 1994, with winds reaching 26.1 km/h.

Q: What is the warmest month in Nova Mamoré?

The warmest month in Nova Mamoré is September (26.8 °C on average); the coldest is June (24.4 °C).

Q: How much does it rain in Nova Mamoré?

Nova Mamoré receives on average 1,627 mm of precipitation per year, spread over about 212 rainy days.

Q: Is it sunny in Nova Mamoré?

Nova Mamoré gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Nova Mamoré (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.6 °C and it receives 1,627 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 September (26.8 °C on average) and the coldest is June (24.4 °C). Rainfall peaks in January.

Nova Mamoré averages 0 frost days, 229 hot days (≥ 30 °C) and 212 rainy days per year.

Nova Mamoré has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.6 °C (on 21 September 2024) and the coldest 9.4 °C (on 19 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

Nova MamoréRondônia

coords: -10.40°, -65.33°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthSeptemberColdest monthJuneWettest monthJanuaryDriest monthJuly

Mean daily temperature

25.6°C

Average daily high

30.8°C

Average daily low

22.1°C

Annual rainfall

1,627mm

Sunshine / day

9.4h

Mean relative humidity

83%

Average peak wind

9.2km/h

Seasonal range

2.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

229 d/yr

Rainy days (≥ 1 mm)

212 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.3 °C

Average feels-like low

25.8 °C

Average peak gust

27.0 km/h

Tropical nights (≥ 20 °C)

326 d/yr

Solar radiation

17.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.44 · 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

39.6 °C

21 September 2024

Coldest day

9.4 °C

19 July 1975

Wettest day

147 mm

26 December 2020

Windiest day

26.1 km/h

25 June 1994

Strongest gust

63.4 km/h

21 August 2016

Hottest feels-like

45.4 °C

19 October 2023

Coldest feels-like

6.1 °C

19 July 1981

Sunniest day

12.6 h

29 December 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.1 °C30 August 2025	13.7 °C2 July 2025	26.2 °C	1,976 mm	268
2024	39.6 °C21 September 2024	14.7 °C13 July 2024	26.9 °C	1,433 mm	297
2023	39.3 °C22 October 2023	11.3 °C14 June 2023	26.9 °C	1,513 mm	284
2022	37.2 °C22 September 2022	11.4 °C1 November 2022	26.0 °C	1,535 mm	270
2021	37.6 °C11 October 2021	11.9 °C30 June 2021	25.9 °C	1,944 mm	238
2020	37.8 °C8 October 2020	12.8 °C21 August 2020	26.3 °C	1,704 mm	269
2019	37.7 °C20 September 2019	13.1 °C5 August 2019	26.2 °C	1,852 mm	280
2018	37.4 °C21 September 2018	14.5 °C11 July 2018	25.7 °C	1,753 mm	249
2017	37.3 °C6 October 2017	11.1 °C18 July 2017	26.0 °C	1,929 mm	271
2016	37.4 °C1 August 2016	15.0 °C5 September 2016	26.2 °C	1,855 mm	274
2015	37.9 °C26 September 2015	16.7 °C20 June 2015	26.3 °C	1,595 mm	258
2014	36.6 °C6 September 2014	14.7 °C25 July 2014	25.6 °C	2,083 mm	215
2013	36.5 °C3 September 2013	12.0 °C25 July 2013	25.6 °C	1,835 mm	246
2012	38.3 °C12 September 2012	15.0 °C8 June 2012	26.1 °C	1,874 mm	255
2011	38.8 °C13 August 2011	15.1 °C5 July 2011	26.6 °C	1,738 mm	277
2010	38.7 °C30 September 2010	10.8 °C18 July 2010	26.4 °C	1,343 mm	289
2009	37.4 °C12 October 2009	12.7 °C25 July 2009	26.0 °C	1,729 mm	257
2008	37.1 °C2 September 2008	15.2 °C31 May 2008	25.6 °C	1,779 mm	231
2007	37.7 °C23 September 2007	14.3 °C10 May 2007	25.9 °C	1,536 mm	265
2006	37.2 °C15 September 2006	16.2 °C13 May 2006	25.9 °C	1,694 mm	273
2005	38.0 °C5 October 2005	14.6 °C20 July 2005	26.0 °C	1,501 mm	280
2004	37.0 °C22 September 2004	14.3 °C14 September 2004	25.6 °C	1,750 mm	248
2003	36.4 °C2 September 2003	15.0 °C11 September 2003	25.9 °C	1,540 mm	276
2002	36.3 °C3 October 2002	16.8 °C25 June 2002	26.2 °C	1,475 mm	270
2001	37.6 °C8 October 2001	10.4 °C19 June 2001	25.7 °C	1,535 mm	245
2000	35.6 °C14 October 2000	11.9 °C13 July 2000	25.3 °C	1,616 mm	242
1999	37.1 °C9 September 1999	11.4 °C17 August 1999	25.5 °C	1,676 mm	247
1998	38.1 °C14 September 1998	15.9 °C26 June 1998	26.3 °C	1,486 mm	279
1997	37.1 °C9 October 1997	15.3 °C10 August 1997	26.0 °C	1,589 mm	271
1996	35.7 °C15 August 1996	13.4 °C30 June 1996	25.5 °C	1,450 mm	251
1995	37.6 °C5 October 1995	16.2 °C6 August 1995	25.9 °C	1,387 mm	264
1994	36.7 °C24 August 1994	11.9 °C11 July 1994	25.7 °C	1,750 mm	233
1993	35.1 °C18 September 1993	13.0 °C11 August 1993	25.3 °C	1,743 mm	234
1992	34.6 °C26 August 1992	13.1 °C26 July 1992	25.4 °C	1,809 mm	232
1991	36.3 °C31 August 1991	12.1 °C4 August 1991	25.6 °C	1,663 mm	241
1990	35.8 °C12 August 1990	12.6 °C23 July 1990	25.4 °C	1,787 mm	233
1989	36.8 °C13 September 1989	10.8 °C7 July 1989	25.3 °C	1,778 mm	227
1988	37.3 °C24 September 1988	12.8 °C13 July 1988	25.7 °C	1,710 mm	253
1987	36.7 °C9 September 1987	15.5 °C26 May 1987	26.0 °C	1,367 mm	275
1986	35.4 °C15 November 1986	14.4 °C22 July 1986	25.5 °C	1,630 mm	233
1985	36.1 °C16 August 1985	10.2 °C11 June 1985	25.3 °C	1,962 mm	234
1984	35.3 °C12 August 1984	12.5 °C26 August 1984	25.5 °C	1,718 mm	247
1983	36.9 °C28 September 1983	14.6 °C3 August 1983	25.9 °C	1,531 mm	267
1982	34.8 °C23 August 1982	16.8 °C31 July 1982	25.6 °C	1,328 mm	247
1981	35.1 °C2 August 1981	10.0 °C21 July 1981	25.4 °C	1,711 mm	236
1980	35.1 °C8 September 1980	14.3 °C4 July 1980	25.6 °C	1,667 mm	250
1979	36.2 °C6 August 1979	13.0 °C2 June 1979	25.6 °C	1,418 mm	257
1978	35.4 °C7 September 1978	10.3 °C17 August 1978	25.3 °C	1,719 mm	240
1977	36.2 °C10 September 1977	13.4 °C19 May 1977	25.3 °C	1,758 mm	225
1976	36.6 °C17 September 1976	12.4 °C11 July 1976	25.0 °C	1,598 mm	216
1975	33.9 °C19 August 1975	9.4 °C19 July 1975	25.0 °C	1,541 mm	222
1974	35.5 °C15 September 1974	15.5 °C25 July 1974	24.9 °C	1,860 mm	191
1973	34.7 °C11 October 1973	16.2 °C24 July 1973	25.3 °C	1,974 mm	221
1972	35.7 °C25 September 1972	14.6 °C1 September 1972	25.5 °C	1,404 mm	231
1971	35.1 °C21 October 1971	14.5 °C12 June 1971	24.8 °C	1,704 mm	191
1970	36.0 °C19 August 1970	15.0 °C3 July 1970	25.5 °C	1,703 mm	238
1969	38.0 °C27 August 1969	12.7 °C11 July 1969	26.0 °C	1,417 mm	276
1968	36.1 °C27 July 1968	12.6 °C17 May 1968	25.1 °C	1,458 mm	228
1967	37.2 °C16 September 1967	16.1 °C15 June 1967	25.4 °C	1,514 mm	242
1966	36.0 °C27 August 1966	14.9 °C4 June 1966	25.5 °C	1,298 mm	215
1965	35.1 °C26 September 1965	13.2 °C22 August 1965	25.2 °C	1,594 mm	181
1964	35.7 °C6 September 1964	16.3 °C5 July 1964	25.3 °C	1,340 mm	205
1963	39.4 °C18 September 1963	15.3 °C7 August 1963	26.3 °C	1,237 mm	221
1962	37.3 °C16 September 1962	13.8 °C8 July 1962	25.4 °C	1,531 mm	177
1961	39.4 °C16 September 1961	13.0 °C18 June 1961	26.1 °C	1,208 mm	254
1960	35.8 °C8 October 1960	14.2 °C11 July 1960	25.3 °C	1,623 mm	193
1959	35.9 °C9 September 1959	17.4 °C11 June 1959	25.5 °C	1,502 mm	201
1958	37.8 °C24 August 1958	17.3 °C21 June 1958	25.7 °C	1,782 mm	205
1957	36.0 °C23 September 1957	13.9 °C21 July 1957	25.5 °C	1,546 mm	173
1956	33.2 °C17 September 1956	16.9 °C11 May 1956	24.6 °C	1,751 mm	86
1955	35.9 °C26 September 1955	12.0 °C3 August 1955	25.1 °C	1,538 mm	155
1954	35.9 °C25 August 1954	18.4 °C12 August 1954	25.2 °C	1,788 mm	155
1953	34.7 °C7 August 1953	16.0 °C7 July 1953	25.0 °C	1,730 mm	141
1952	35.0 °C25 September 1952	15.8 °C21 June 1952	25.0 °C	1,910 mm	146
1951	35.3 °C27 September 1951	16.9 °C3 June 1951	25.1 °C	1,698 mm	170
1950	35.9 °C24 August 1950	13.9 °C4 August 1950	24.9 °C	1,882 mm	117
1949	36.0 °C3 September 1949	15.8 °C2 July 1949	25.7 °C	1,090 mm	214
1948	36.6 °C22 August 1948	16.4 °C30 July 1948	26.1 °C	776 mm	279
1947	35.6 °C30 September 1947	13.8 °C15 July 1947	25.0 °C	1,914 mm	198
1946	36.1 °C7 November 1946	13.3 °C18 July 1946	25.5 °C	1,612 mm	222
1945	37.2 °C30 August 1945	15.2 °C19 May 1945	25.3 °C	1,692 mm	197
1944	35.6 °C24 August 1944	15.7 °C8 July 1944	25.3 °C	1,785 mm	186
1943	34.3 °C3 September 1943	16.3 °C6 August 1943	24.3 °C	1,734 mm	112
1942	38.2 °C12 September 1942	12.9 °C20 June 1942	24.8 °C	1,559 mm	154
1941	35.3 °C5 October 1941	15.2 °C7 July 1941	25.3 °C	1,487 mm	166
1940	35.8 °C19 August 1940	18.7 °C10 July 1940	25.5 °C	1,404 mm	194

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

31.6 °C

+0.8 °C

Hot days (≥ 30 °C)

268 d/yr

+39

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1976 mm

+349 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.3 °C	+0.3 °C	244 mm	-2 mm
Feb	30.8 °C	+1.0 °C	211 mm	-29 mm
Mar	30.4 °C	+0.5 °C	404 mm	+169 mm
Apr	30.8 °C	+1.0 °C	252 mm	+92 mm
May	31.1 °C	+1.6 °C	88 mm	+7 mm
Jun	30.2 °C	+0.4 °C	26 mm	-2 mm
Jul	32.5 °C	+1.4 °C	6 mm	-8 mm
Aug	34.0 °C	+1.1 °C	13 mm	-18 mm
Sep	34.4 °C	+1.3 °C	90 mm	+23 mm
Oct	33.0 °C	+0.8 °C	111 mm	-12 mm
Nov	31.9 °C	+0.9 °C	207 mm	+32 mm
Dec	29.6 °C	-0.6 °C	324 mm	+95 mm

The year's extremes

Hottest day

38.1 °C

30 Aug 2025

Coldest day

13.7 °C

2 Jul 2025

Wettest day

69.8 mm

26 Nov 2025

Windiest day

18.8 km/h

5 Apr 2025

Strongest gust

46.4 km/h

25 Sep 2025

Hottest feels-like

42.7 °C

21 Aug 2025

Coldest feels-like

12.1 °C

2 Jul 2025

Sunniest day

12.6 h

29 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 Nova Mamoré?

Nova Mamoré has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.6 °C and it receives 1,627 mm of precipitation per year.

What is the hottest day ever recorded in Nova Mamoré?

The hottest day measured in Nova Mamoré between 1940 and 2025 was 21 September 2024, reaching 39.6 °C.

What is the coldest day in Nova Mamoré?

The coldest day measured in Nova Mamoré between 1940 and 2025 was 19 July 1975, at 9.4 °C.

Does it snow in Nova Mamoré?

Almost never: Nova Mamoré sees virtually no snow, with about 0 frost days per year.

Has the climate of Nova Mamoré warmed?

Yes: Nova Mamoré warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Nova Mamoré?

The wettest day measured in Nova Mamoré between 1940 and 2025 was 26 December 2020, with 147 mm of rain in 24 hours.

What was the windiest day in Nova Mamoré?

The windiest day measured in Nova Mamoré between 1940 and 2025 was 25 June 1994, with winds reaching 26.1 km/h.

What is the warmest month in Nova Mamoré?

The warmest month in Nova Mamoré is September (26.8 °C on average); the coldest is June (24.4 °C).

How much does it rain in Nova Mamoré?

Nova Mamoré receives on average 1,627 mm of precipitation per year, spread over about 212 rainy days.

Is it sunny in Nova Mamoré?

Nova Mamoré gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Are there tropical nights in Nova Mamoré?

Yes: Nova Mamoré has on average 326 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nova Mamoré?

In Nova Mamoré, between 1940 and 2025, the highest apparent temperature reached 45.4 °C on 19 October 2023, and the lowest was 6.1 °C on 19 July 1981.

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