Buco Zau climate — normals and trends

Q: What is the climate of Buco Zau?

Buco Zau has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 1,420 mm of precipitation per year.

Q: What is the hottest day ever recorded in Buco Zau?

The hottest day measured in Buco Zau between 1940 and 2025 was 12 March 2010, reaching 34.9 °C.

Q: What is the coldest day in Buco Zau?

The coldest day measured in Buco Zau between 1940 and 2025 was 18 July 1950, at 7.9 °C.

Q: Does it snow in Buco Zau?

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

Q: Has the climate of Buco Zau warmed?

Yes: Buco Zau warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Buco Zau?

The wettest day measured in Buco Zau between 1940 and 2025 was 17 November 2010, with 110 mm of rain in 24 hours.

Q: What was the windiest day in Buco Zau?

The windiest day measured in Buco Zau between 1940 and 2025 was 14 August 1942, with winds reaching 18.5 km/h.

Q: What is the warmest month in Buco Zau?

The warmest month in Buco Zau is March (25.6 °C on average); the coldest is July (20.9 °C).

Q: How much does it rain in Buco Zau?

Buco Zau receives on average 1,420 mm of precipitation per year, spread over about 201 rainy days.

Q: Is it sunny in Buco Zau?

Buco Zau gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.

Buco Zau (Angola) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.9 °C and it receives 1,420 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 March (25.6 °C on average) and the coldest is July (20.9 °C). Rainfall peaks in December.

Buco Zau averages 0 frost days, 91 hot days (≥ 30 °C) and 201 rainy days per year.

Buco Zau has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.9 °C (on 12 March 2010) and the coldest 7.9 °C (on 18 July 1950).

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

Buco ZauCabinda Province

coords: -4.77°, 12.55°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMarchColdest monthJulyWettest monthDecemberDriest monthJuly

Mean daily temperature

23.9°C

Average daily high

28.4°C

Average daily low

20.9°C

Annual rainfall

1,420mm

Sunshine / day

7.6h

Mean relative humidity

85%

Average peak wind

9.7km/h

Seasonal range

4.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

91 d/yr

Rainy days (≥ 1 mm)

201 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.8 °C

Average feels-like low

24.5 °C

Average peak gust

25.3 km/h

Tropical nights (≥ 20 °C)

258 d/yr

Solar radiation

14.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.77 · 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

34.9 °C

12 March 2010

Coldest day

7.9 °C

18 July 1950

Wettest day

110 mm

17 November 2010

Windiest day

18.5 km/h

14 August 1942

Strongest gust

43.6 km/h

21 August 1941

Hottest feels-like

42.7 °C

1 April 2007

Coldest feels-like

6.2 °C

18 July 1950

Sunniest day

12.0 h

27 January 1958

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.0 °C19 February 2025	16.2 °C17 August 2025	24.8 °C	1,616 mm	147
2024	34.3 °C12 March 2024	15.7 °C2 August 2024	25.4 °C	1,876 mm	179
2023	33.6 °C3 February 2023	17.8 °C21 July 2023	24.9 °C	1,833 mm	160
2022	33.2 °C7 March 2022	15.4 °C7 August 2022	24.7 °C	1,703 mm	136
2021	33.6 °C14 April 2021	17.6 °C21 July 2021	25.1 °C	1,626 mm	168
2020	33.9 °C27 March 2020	17.6 °C15 July 2020	25.2 °C	1,792 mm	154
2019	34.9 °C27 March 2019	16.7 °C27 June 2019	25.1 °C	1,864 mm	150
2018	33.5 °C12 February 2018	16.9 °C2 August 2018	24.9 °C	1,744 mm	136
2017	33.1 °C16 March 2017	16.4 °C8 July 2017	24.8 °C	1,467 mm	117
2016	34.3 °C14 January 2016	15.7 °C28 July 2016	25.1 °C	1,615 mm	160
2015	32.9 °C27 April 2015	16.5 °C3 August 2015	24.7 °C	1,651 mm	125
2014	33.0 °C15 March 2014	15.2 °C7 July 2014	24.5 °C	1,614 mm	110
2013	33.3 °C5 February 2013	15.4 °C11 August 2013	24.5 °C	1,582 mm	133
2012	32.7 °C14 March 2012	15.5 °C27 July 2012	24.6 °C	1,459 mm	97
2011	33.3 °C17 April 2011	15.1 °C23 July 2011	24.4 °C	1,698 mm	120
2010	34.9 °C12 March 2010	16.5 °C14 July 2010	24.7 °C	1,571 mm	139
2009	33.0 °C25 September 2009	16.4 °C11 July 2009	24.4 °C	1,715 mm	129
2008	33.8 °C4 March 2008	15.1 °C5 July 2008	24.4 °C	1,429 mm	122
2007	34.4 °C1 April 2007	16.7 °C28 June 2007	24.5 °C	1,867 mm	125
2006	33.6 °C28 February 2006	15.2 °C10 August 2006	24.2 °C	1,680 mm	114
2005	33.2 °C24 January 2005	14.9 °C30 June 2005	24.3 °C	1,422 mm	128
2004	33.3 °C17 February 2004	16.1 °C26 July 2004	24.1 °C	1,500 mm	98
2003	32.9 °C6 February 2003	16.0 °C14 August 2003	24.5 °C	1,818 mm	127
2002	32.8 °C2 April 2002	15.1 °C19 July 2002	24.3 °C	1,644 mm	116
2001	32.6 °C13 April 2001	14.3 °C14 August 2001	23.8 °C	1,312 mm	78
2000	32.3 °C20 March 2000	15.0 °C17 July 2000	23.9 °C	1,671 mm	90
1999	33.8 °C10 April 1999	15.4 °C29 July 1999	24.2 °C	1,869 mm	103
1998	34.5 °C1 February 1998	16.9 °C29 July 1998	24.9 °C	1,831 mm	131
1997	32.5 °C3 October 1997	14.0 °C3 July 1997	23.9 °C	1,376 mm	82
1996	32.5 °C19 April 1996	14.0 °C19 July 1996	23.7 °C	1,406 mm	69
1995	33.6 °C31 March 1995	16.6 °C6 July 1995	24.3 °C	1,762 mm	99
1994	32.3 °C6 October 1994	15.8 °C21 July 1994	23.9 °C	1,572 mm	68
1993	32.6 °C29 March 1993	16.3 °C22 August 1993	23.9 °C	1,374 mm	84
1992	32.2 °C3 March 1992	14.4 °C25 July 1992	23.6 °C	1,511 mm	71
1991	32.4 °C15 March 1991	16.3 °C27 July 1991	24.0 °C	1,426 mm	78
1990	32.7 °C16 April 1990	15.4 °C28 June 1990	23.9 °C	1,399 mm	79
1989	32.1 °C3 February 1989	14.6 °C22 July 1989	23.9 °C	1,566 mm	72
1988	32.6 °C17 March 1988	16.0 °C31 July 1988	24.3 °C	1,684 mm	84
1987	33.0 °C19 April 1987	15.8 °C31 July 1987	24.3 °C	1,485 mm	102
1986	32.3 °C10 April 1986	15.2 °C29 August 1986	23.8 °C	1,457 mm	73
1985	33.7 °C7 March 1985	15.2 °C24 July 1985	23.7 °C	1,319 mm	87
1984	33.3 °C19 March 1984	16.4 °C25 July 1984	24.3 °C	1,641 mm	97
1983	33.1 °C10 March 1983	13.4 °C29 June 1983	23.8 °C	1,341 mm	107
1982	32.6 °C8 March 1982	14.6 °C1 August 1982	23.3 °C	954 mm	45
1981	33.4 °C15 April 1981	14.4 °C27 June 1981	23.5 °C	923 mm	63
1980	32.7 °C20 April 1980	14.3 °C8 August 1980	23.5 °C	851 mm	70
1979	32.5 °C21 March 1979	15.0 °C3 August 1979	23.6 °C	839 mm	86
1978	32.9 °C21 March 1978	14.4 °C29 July 1978	23.6 °C	757 mm	47
1977	32.2 °C15 April 1977	14.6 °C30 June 1977	23.7 °C	1,227 mm	58
1976	32.8 °C27 March 1976	12.1 °C9 July 1976	23.3 °C	1,354 mm	41
1975	31.8 °C10 April 1975	14.1 °C30 July 1975	23.6 °C	1,558 mm	45
1974	32.0 °C26 April 1974	14.7 °C4 July 1974	23.5 °C	1,342 mm	55
1973	33.1 °C6 March 1973	14.4 °C11 August 1973	23.9 °C	1,545 mm	80
1972	32.3 °C18 March 1972	14.7 °C20 June 1972	23.6 °C	1,569 mm	65
1971	32.6 °C17 April 1971	14.5 °C21 July 1971	23.7 °C	1,405 mm	59
1970	31.7 °C24 March 1970	15.7 °C2 July 1970	23.9 °C	1,459 mm	53
1969	32.6 °C6 April 1969	14.8 °C20 July 1969	23.7 °C	1,352 mm	76
1968	32.3 °C4 April 1968	14.7 °C1 August 1968	23.5 °C	1,327 mm	54
1967	32.2 °C8 November 1967	14.4 °C23 July 1967	23.5 °C	1,584 mm	36
1966	32.1 °C28 March 1966	15.2 °C31 August 1966	23.8 °C	1,459 mm	74
1965	32.3 °C2 March 1965	14.1 °C8 July 1965	23.4 °C	1,175 mm	55
1964	32.1 °C25 November 1964	14.0 °C5 August 1964	23.5 °C	1,056 mm	49
1963	32.9 °C17 September 1963	14.1 °C13 July 1963	23.9 °C	1,000 mm	82
1962	32.9 °C1 November 1962	14.3 °C17 June 1962	23.3 °C	1,503 mm	33
1961	31.5 °C15 March 1961	13.0 °C29 July 1961	23.2 °C	1,978 mm	35
1960	31.6 °C18 April 1960	15.0 °C15 July 1960	23.5 °C	1,731 mm	45
1959	32.4 °C17 April 1959	14.4 °C4 August 1959	23.6 °C	1,844 mm	63
1958	33.6 °C21 March 1958	12.3 °C16 July 1958	23.2 °C	740 mm	97
1957	32.8 °C13 October 1957	13.0 °C26 July 1957	23.3 °C	1,091 mm	63
1956	33.3 °C5 March 1956	12.3 °C22 July 1956	23.1 °C	796 mm	78
1955	33.4 °C16 March 1955	11.9 °C7 August 1955	23.3 °C	896 mm	92
1954	33.0 °C13 November 1954	11.0 °C29 July 1954	23.0 °C	1,163 mm	75
1953	31.9 °C6 March 1953	12.9 °C6 August 1953	23.3 °C	812 mm	73
1952	31.9 °C17 March 1952	13.0 °C12 July 1952	23.3 °C	1,682 mm	72
1951	32.9 °C11 November 1951	14.1 °C29 July 1951	23.4 °C	1,358 mm	61
1950	32.7 °C13 December 1950	7.9 °C18 July 1950	23.1 °C	1,331 mm	61
1949	31.9 °C21 April 1949	15.2 °C10 August 1949	23.6 °C	1,641 mm	79
1948	31.8 °C20 March 1948	14.4 °C25 July 1948	23.2 °C	1,488 mm	42
1947	32.7 °C14 November 1947	12.8 °C20 July 1947	23.2 °C	1,085 mm	82
1946	32.9 °C1 February 1946	13.6 °C30 July 1946	23.2 °C	1,062 mm	78
1945	32.3 °C5 January 1945	14.1 °C29 June 1945	23.4 °C	1,601 mm	77
1944	32.6 °C10 October 1944	12.8 °C1 August 1944	23.5 °C	1,273 mm	68
1943	33.6 °C24 February 1943	12.4 °C2 August 1943	23.2 °C	1,278 mm	112
1942	33.8 °C28 October 1942	13.0 °C17 July 1942	23.5 °C	796 mm	137
1941	34.1 °C26 February 1941	12.2 °C1 September 1941	23.7 °C	653 mm	134
1940	34.7 °C13 February 1940	13.8 °C16 July 1940	23.6 °C	750 mm	151

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

28.8 °C

+0.4 °C

Hot days (≥ 30 °C)

147 d/yr

+56

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1616 mm

+196 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.1 °C	+0.8 °C	250 mm	+39 mm
Feb	31.1 °C	+1.3 °C	213 mm	+24 mm
Mar	30.5 °C	+0.3 °C	213 mm	+22 mm
Apr	30.8 °C	+0.7 °C	129 mm	-54 mm
May	30.0 °C	+1.1 °C	161 mm	+59 mm
Jun	27.8 °C	+1.0 °C	29 mm	+20 mm
Jul	25.1 °C	-0.8 °C	8 mm	+4 mm
Aug	25.5 °C	-0.5 °C	10 mm	+3 mm
Sep	27.2 °C	+0.1 °C	31 mm	+10 mm
Oct	28.9 °C	+0.3 °C	76 mm	-5 mm
Nov	29.4 °C	+0.3 °C	246 mm	+51 mm
Dec	29.6 °C	+0.6 °C	250 mm	+24 mm

The year's extremes

Hottest day

34.0 °C

19 Feb 2025

Coldest day

16.2 °C

17 Aug 2025

Wettest day

88.1 mm

10 Dec 2025

Windiest day

14.3 km/h

10 Oct 2025

Strongest gust

36.4 km/h

7 May 2025

Hottest feels-like

41.6 °C

10 Mar 2025

Coldest feels-like

17.9 °C

17 Aug 2025

Sunniest day

11.7 h

31 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 Buco Zau?

Buco Zau has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 1,420 mm of precipitation per year.

What is the hottest day ever recorded in Buco Zau?

The hottest day measured in Buco Zau between 1940 and 2025 was 12 March 2010, reaching 34.9 °C.

What is the coldest day in Buco Zau?

The coldest day measured in Buco Zau between 1940 and 2025 was 18 July 1950, at 7.9 °C.

Does it snow in Buco Zau?

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

Has the climate of Buco Zau warmed?

Yes: Buco Zau warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Buco Zau?

The wettest day measured in Buco Zau between 1940 and 2025 was 17 November 2010, with 110 mm of rain in 24 hours.

What was the windiest day in Buco Zau?

The windiest day measured in Buco Zau between 1940 and 2025 was 14 August 1942, with winds reaching 18.5 km/h.

What is the warmest month in Buco Zau?

The warmest month in Buco Zau is March (25.6 °C on average); the coldest is July (20.9 °C).

How much does it rain in Buco Zau?

Buco Zau receives on average 1,420 mm of precipitation per year, spread over about 201 rainy days.

Is it sunny in Buco Zau?

Buco Zau gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.

Are there tropical nights in Buco Zau?

Yes: Buco Zau has on average 258 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Buco Zau?

In Buco Zau, between 1940 and 2025, the highest apparent temperature reached 42.7 °C on 1 April 2007, and the lowest was 6.2 °C on 18 July 1950.

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