Otjiwarongo climate — normals and trends

Q: What is the climate of Otjiwarongo?

Otjiwarongo has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.5 °C and it receives 482 mm of precipitation per year.

Q: What is the hottest day ever recorded in Otjiwarongo?

The hottest day measured in Otjiwarongo between 1940 and 2025 was 16 January 1949, reaching 38.7 °C.

Q: What is the coldest day in Otjiwarongo?

The coldest day measured in Otjiwarongo between 1940 and 2025 was 2 August 2022, at -2.7 °C.

Q: Does it snow in Otjiwarongo?

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

Q: Has the climate of Otjiwarongo warmed?

Yes: Otjiwarongo warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Otjiwarongo?

The wettest day measured in Otjiwarongo between 1940 and 2025 was 2 February 1958, with 86 mm of rain in 24 hours.

Q: What was the windiest day in Otjiwarongo?

The windiest day measured in Otjiwarongo between 1940 and 2025 was 13 October 2024, with winds reaching 39.5 km/h.

Q: What is the warmest month in Otjiwarongo?

The warmest month in Otjiwarongo is December (24.2 °C on average); the coldest is June (14.7 °C).

Q: How much does it rain in Otjiwarongo?

Otjiwarongo receives on average 482 mm of precipitation per year, spread over about 73 rainy days.

Q: Is it sunny in Otjiwarongo?

Otjiwarongo gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.

Otjiwarongo (Namibia) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 20.5 °C and it receives 482 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 December (24.2 °C on average) and the coldest is June (14.7 °C). Rainfall peaks in January.

Otjiwarongo averages 0 frost days, 129 hot days (≥ 30 °C) and 73 rainy days per year.

Otjiwarongo has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.7 °C (on 16 January 1949) and the coldest -2.7 °C (on 2 August 2022).

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

OtjiwarongoOtjozondjupa Region

coords: -20.46°, 16.65°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthDecemberColdest monthJuneWettest monthJanuaryDriest monthJuly

Mean daily temperature

20.5°C

Average daily high

28.1°C

Average daily low

14.0°C

Annual rainfall

482mm

Sunshine / day

11.3h

Mean relative humidity

40%

Average peak wind

17.4km/h

Seasonal range

9.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

129 d/yr

Rainy days (≥ 1 mm)

73 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.1 °C

Average feels-like low

11.6 °C

Average peak gust

36.9 km/h

Tropical nights (≥ 20 °C)

16 d/yr

Solar radiation

22.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.22 · 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

38.7 °C

16 January 1949

Coldest day

-2.7 °C

2 August 2022

Wettest day

86 mm

2 February 1958

Windiest day

39.5 km/h

13 October 2024

Strongest gust

74.9 km/h

23 February 1995

Hottest feels-like

38.8 °C

26 November 2020

Coldest feels-like

-7.3 °C

2 August 2022

Sunniest day

13.2 h

1 January 2024

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.1 °C3 December 2025	1.5 °C9 June 2025	20.7 °C	755 mm	136	0
2024	37.8 °C26 October 2024	-1.7 °C3 June 2024	22.5 °C	300 mm	225	1
2023	37.8 °C24 October 2023	-0.3 °C28 June 2023	21.8 °C	396 mm	183	1
2022	37.2 °C5 October 2022	-2.7 °C2 August 2022	20.9 °C	468 mm	168	3
2021	36.6 °C30 November 2021	3.1 °C24 July 2021	20.5 °C	604 mm	128	0
2020	38.0 °C26 November 2020	2.7 °C11 July 2020	21.7 °C	578 mm	164	0
2019	37.2 °C13 January 2019	4.2 °C1 July 2019	23.0 °C	307 mm	227	0
2018	37.6 °C18 November 2018	4.3 °C3 July 2018	22.2 °C	306 mm	189	0
2017	36.9 °C3 December 2017	6.0 °C17 August 2017	21.2 °C	602 mm	138	0
2016	38.3 °C1 November 2016	0.9 °C26 July 2016	22.4 °C	341 mm	208	0
2015	37.2 °C10 November 2015	-1.4 °C27 June 2015	22.1 °C	342 mm	193	1
2014	37.3 °C24 December 2014	3.1 °C7 June 2014	21.0 °C	491 mm	131	0
2013	38.3 °C2 February 2013	3.4 °C31 August 2013	21.7 °C	287 mm	193	0
2012	37.2 °C10 November 2012	1.5 °C23 June 2012	20.7 °C	581 mm	152	0
2011	37.1 °C23 October 2011	-2.0 °C8 June 2011	19.4 °C	977 mm	91	2
2010	36.5 °C9 October 2010	1.8 °C16 June 2010	21.0 °C	619 mm	143	0
2009	36.9 °C10 December 2009	1.1 °C14 July 2009	20.8 °C	587 mm	129	0
2008	36.8 °C18 October 2008	1.0 °C5 July 2008	20.5 °C	669 mm	117	0
2007	37.5 °C20 January 2007	0.1 °C6 June 2007	21.6 °C	276 mm	192	0
2006	37.5 °C6 December 2006	1.5 °C2 August 2006	19.5 °C	885 mm	80	0
2005	38.0 °C17 November 2005	3.8 °C9 August 2005	21.7 °C	470 mm	176	0
2004	36.2 °C29 December 2004	2.8 °C28 July 2004	20.9 °C	569 mm	135	0
2003	36.5 °C17 January 2003	2.8 °C4 July 2003	20.9 °C	400 mm	163	0
2002	35.4 °C1 January 2002	1.9 °C26 June 2002	20.4 °C	432 mm	124	0
2001	35.8 °C8 January 2001	1.8 °C31 August 2001	20.1 °C	589 mm	129	0
2000	35.2 °C31 December 2000	3.2 °C28 May 2000	20.1 °C	438 mm	112	0
1999	35.2 °C2 November 1999	4.5 °C21 May 1999	20.8 °C	573 mm	125	0
1998	37.1 °C4 February 1998	3.9 °C23 August 1998	22.0 °C	390 mm	191	0
1997	36.2 °C6 December 1997	2.2 °C30 June 1997	20.3 °C	584 mm	89	0
1996	36.3 °C1 November 1996	0.2 °C7 July 1996	20.9 °C	388 mm	141	0
1995	36.5 °C8 January 1995	3.0 °C6 August 1995	20.9 °C	330 mm	139	0
1994	36.3 °C19 December 1994	-0.6 °C29 June 1994	20.6 °C	418 mm	121	1
1993	35.1 °C6 December 1993	4.4 °C16 June 1993	20.5 °C	512 mm	103	0
1992	36.0 °C27 February 1992	2.3 °C23 July 1992	21.2 °C	288 mm	158	0
1991	33.7 °C6 October 1991	1.1 °C6 July 1991	19.8 °C	717 mm	64	0
1990	35.9 °C4 November 1990	1.1 °C28 June 1990	20.6 °C	629 mm	103	0
1989	36.3 °C22 December 1989	2.2 °C18 July 1989	20.9 °C	323 mm	131	0
1988	37.8 °C4 January 1988	1.5 °C11 July 1988	20.7 °C	610 mm	130	0
1987	36.8 °C8 December 1987	1.5 °C20 July 1987	20.9 °C	481 mm	135	0
1986	35.9 °C6 December 1986	2.0 °C17 July 1986	20.3 °C	596 mm	86	0
1985	35.1 °C8 January 1985	1.8 °C13 July 1985	19.6 °C	543 mm	88	0
1984	36.3 °C19 November 1984	3.1 °C22 July 1984	20.5 °C	359 mm	145	0
1983	36.5 °C24 February 1983	3.1 °C8 August 1983	20.4 °C	354 mm	157	0
1982	36.4 °C19 January 1982	-0.5 °C2 July 1982	20.0 °C	424 mm	127	2
1981	37.2 °C30 December 1981	1.8 °C29 May 1981	19.9 °C	265 mm	138	0
1980	36.0 °C5 December 1980	0.3 °C26 August 1980	19.7 °C	391 mm	115	0
1979	35.2 °C1 January 1979	-2.2 °C21 July 1979	19.6 °C	464 mm	109	1
1978	34.8 °C6 January 1978	0.9 °C21 June 1978	19.1 °C	436 mm	89	0
1977	34.7 °C19 December 1977	2.7 °C14 May 1977	19.5 °C	535 mm	99	0
1976	34.9 °C22 December 1976	-0.8 °C9 July 1976	18.7 °C	555 mm	73	1
1975	34.2 °C11 January 1975	1.9 °C22 July 1975	19.4 °C	367 mm	112	0
1974	33.4 °C26 December 1974	0.7 °C23 August 1974	18.0 °C	702 mm	51	0
1973	36.3 °C2 February 1973	4.3 °C6 August 1973	20.5 °C	333 mm	136	0
1972	37.0 °C27 November 1972	2.0 °C2 August 1972	20.0 °C	428 mm	126	0
1971	34.5 °C26 December 1971	0.8 °C3 August 1971	19.8 °C	496 mm	94	0
1970	37.0 °C3 January 1970	1.9 °C27 August 1970	20.6 °C	427 mm	144	0
1969	35.3 °C14 January 1969	3.5 °C21 July 1969	20.0 °C	501 mm	106	0
1968	35.4 °C28 October 1968	2.5 °C29 July 1968	20.0 °C	363 mm	127	0
1967	35.0 °C22 October 1967	2.3 °C6 June 1967	19.2 °C	695 mm	72	0
1966	36.2 °C24 November 1966	3.4 °C18 August 1966	20.2 °C	526 mm	93	0
1965	35.4 °C25 December 1965	2.3 °C17 July 1965	19.9 °C	422 mm	109	0
1964	35.7 °C4 February 1964	0.4 °C18 June 1964	20.2 °C	334 mm	155	0
1963	33.8 °C14 October 1963	2.1 °C1 July 1963	19.4 °C	816 mm	88	0
1962	37.4 °C14 December 1962	1.8 °C8 June 1962	20.9 °C	319 mm	154	0
1961	35.8 °C22 October 1961	1.3 °C11 June 1961	20.8 °C	318 mm	151	0
1960	36.5 °C5 December 1960	1.2 °C19 July 1960	20.5 °C	366 mm	136	0
1959	35.5 °C19 November 1959	2.0 °C14 July 1959	20.7 °C	236 mm	142	0
1958	36.5 °C20 November 1958	4.8 °C14 June 1958	20.7 °C	555 mm	129	0
1957	37.5 °C12 November 1957	1.1 °C25 June 1957	20.0 °C	752 mm	93	0
1956	36.1 °C29 December 1956	1.8 °C21 July 1956	20.8 °C	220 mm	158	0
1955	35.3 °C10 November 1955	2.6 °C6 July 1955	19.7 °C	536 mm	99	0
1954	36.0 °C22 December 1954	1.4 °C9 July 1954	21.2 °C	116 mm	194	0
1953	35.3 °C2 November 1953	1.7 °C28 July 1953	19.6 °C	609 mm	91	0
1952	34.4 °C23 January 1952	1.1 °C15 July 1952	19.9 °C	509 mm	84	0
1951	34.3 °C10 October 1951	2.6 °C8 June 1951	18.7 °C	1,029 mm	41	0
1950	34.3 °C17 October 1950	0.6 °C19 June 1950	18.5 °C	1,004 mm	42	0
1949	38.7 °C16 January 1949	2.9 °C24 August 1949	21.1 °C	227 mm	163	0
1948	35.6 °C4 December 1948	6.7 °C22 June 1948	20.5 °C	471 mm	115	0
1947	36.1 °C10 October 1947	2.6 °C10 July 1947	20.9 °C	370 mm	153	0
1946	37.0 °C2 December 1946	3.4 °C28 July 1946	20.7 °C	349 mm	149	0
1945	35.9 °C23 October 1945	2.0 °C8 July 1945	20.7 °C	436 mm	108	0
1944	35.6 °C13 December 1944	2.8 °C28 June 1944	20.3 °C	600 mm	108	0
1943	36.1 °C2 December 1943	4.0 °C21 July 1943	20.4 °C	354 mm	103	0
1942	35.3 °C30 September 1942	1.7 °C11 June 1942	20.3 °C	499 mm	116	0
1941	36.8 °C15 October 1941	4.4 °C27 June 1941	20.9 °C	300 mm	152	0
1940	35.8 °C5 December 1940	1.4 °C29 April 1940	20.0 °C	459 mm	119	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

+0.5 °C

Hot days (≥ 30 °C)

136 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

755 mm

+273 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.9 °C	+1.9 °C	96 mm	-27 mm
Feb	29.5 °C	+0.6 °C	209 mm	+95 mm
Mar	27.8 °C	-0.5 °C	109 mm	+28 mm
Apr	26.8 °C	-0.5 °C	78 mm	+47 mm
May	25.3 °C	-0.2 °C	2 mm	-0 mm
Jun	23.5 °C	+0.4 °C	0 mm	-1 mm
Jul	25.2 °C	+2.0 °C	0 mm	-0 mm
Aug	27.6 °C	+1.3 °C	0 mm	-0 mm
Sep	32.0 °C	+1.9 °C	2 mm	-1 mm
Oct	33.2 °C	+1.3 °C	12 mm	-4 mm
Nov	31.7 °C	+0.3 °C	46 mm	-0 mm
Dec	29.0 °C	-2.4 °C	203 mm	+136 mm

The year's extremes

Hottest day

37.1 °C

3 Dec 2025

Coldest day

1.5 °C

9 Jun 2025

Wettest day

38.1 mm

3 Jan 2025

Windiest day

30.8 km/h

27 Jul 2025

Strongest gust

60.5 km/h

27 Jul 2025

Hottest feels-like

37.1 °C

2 Dec 2025

Coldest feels-like

-3.7 °C

6 Aug 2025

Sunniest day

13.1 h

15 Jan 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 Otjiwarongo?

Otjiwarongo has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.5 °C and it receives 482 mm of precipitation per year.

What is the hottest day ever recorded in Otjiwarongo?

The hottest day measured in Otjiwarongo between 1940 and 2025 was 16 January 1949, reaching 38.7 °C.

What is the coldest day in Otjiwarongo?

The coldest day measured in Otjiwarongo between 1940 and 2025 was 2 August 2022, at -2.7 °C.

Does it snow in Otjiwarongo?

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

Has the climate of Otjiwarongo warmed?

Yes: Otjiwarongo warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Otjiwarongo?

The wettest day measured in Otjiwarongo between 1940 and 2025 was 2 February 1958, with 86 mm of rain in 24 hours.

What was the windiest day in Otjiwarongo?

The windiest day measured in Otjiwarongo between 1940 and 2025 was 13 October 2024, with winds reaching 39.5 km/h.

What is the warmest month in Otjiwarongo?

The warmest month in Otjiwarongo is December (24.2 °C on average); the coldest is June (14.7 °C).

How much does it rain in Otjiwarongo?

Otjiwarongo receives on average 482 mm of precipitation per year, spread over about 73 rainy days.

Is it sunny in Otjiwarongo?

Otjiwarongo gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.

Are there tropical nights in Otjiwarongo?

Yes: Otjiwarongo has on average 16 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Otjiwarongo?

In Otjiwarongo, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 26 November 2020, and the lowest was -7.3 °C on 2 August 2022.

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