Nejo climate — normals and trends

Q: What is the climate of Nejo?

Nejo has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 20.3 °C and it receives 2,905 mm of precipitation per year.

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

The hottest day measured in Nejo between 1940 and 2025 was 14 March 1998, reaching 35.1 °C.

Q: What is the coldest day in Nejo?

The coldest day measured in Nejo between 1940 and 2025 was 25 December 1971, at 9.5 °C.

Q: Does it snow in Nejo?

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

Q: Has the climate of Nejo warmed?

Yes: Nejo warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Nejo?

The wettest day measured in Nejo between 1940 and 2025 was 2 August 1979, with 102 mm of rain in 24 hours.

Q: What was the windiest day in Nejo?

The windiest day measured in Nejo between 1940 and 2025 was 22 August 2024, with winds reaching 24.9 km/h.

Q: What is the warmest month in Nejo?

The warmest month in Nejo is March (23.4 °C on average); the coldest is August (18.1 °C).

Q: How much does it rain in Nejo?

Nejo receives on average 2,905 mm of precipitation per year, spread over about 206 rainy days.

Q: Is it sunny in Nejo?

Nejo gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Nejo (Ethiopia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 20.3 °C and it receives 2,905 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 (23.4 °C on average) and the coldest is August (18.1 °C). Rainfall peaks in September.

Nejo averages 0 frost days, 51 hot days (≥ 30 °C) and 206 rainy days per year.

Nejo has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.1 °C (on 14 March 1998) and the coldest 9.5 °C (on 25 December 1971).

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

NejoOromiya

coords: 9.50°, 35.50°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthMarchColdest monthAugustWettest monthSeptemberDriest monthJanuary

Mean daily temperature

20.3°C

Average daily high

26.2°C

Average daily low

15.8°C

Annual rainfall

2,905mm

Sunshine / day

10.2h

Mean relative humidity

67%

Average peak wind

9.2km/h

Seasonal range

5.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

51 d/yr

Rainy days (≥ 1 mm)

206 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.4 °C

Average feels-like low

16.0 °C

Average peak gust

26.4 km/h

Tropical nights (≥ 20 °C)

6 d/yr

Solar radiation

20.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.1 °C

since 1940

+0.2 °C per decade · r² = 0.74 · 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

35.1 °C

14 March 1998

Coldest day

9.5 °C

25 December 1971

Wettest day

102 mm

2 August 1979

Windiest day

24.9 km/h

22 August 2024

Strongest gust

59.4 km/h

22 August 2024

Hottest feels-like

36.2 °C

25 March 1998

Coldest feels-like

7.2 °C

11 January 2015

Sunniest day

12.3 h

14 May 1965

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.7 °C31 March 2025	14.1 °C27 January 2025	21.5 °C	2,188 mm	89
2024	34.5 °C20 April 2024	13.6 °C22 December 2024	21.8 °C	2,194 mm	98
2023	34.2 °C8 April 2023	12.9 °C10 January 2023	21.5 °C	2,220 mm	72
2022	34.4 °C8 March 2022	12.5 °C26 December 2022	21.0 °C	2,478 mm	66
2021	34.1 °C12 March 2021	13.2 °C7 February 2021	21.2 °C	2,455 mm	61
2020	35.0 °C1 April 2020	11.5 °C26 January 2020	21.2 °C	2,360 mm	70
2019	34.4 °C1 April 2019	12.5 °C27 December 2019	21.3 °C	2,650 mm	105
2018	34.3 °C9 March 2018	13.8 °C18 December 2018	21.0 °C	2,696 mm	76
2017	33.9 °C2 March 2017	13.4 °C5 January 2017	21.4 °C	2,626 mm	85
2016	34.8 °C4 March 2016	12.3 °C28 January 2016	21.6 °C	2,689 mm	89
2015	33.5 °C23 February 2015	9.6 °C11 January 2015	21.5 °C	2,777 mm	88
2014	32.4 °C23 February 2014	12.5 °C12 January 2014	20.5 °C	3,294 mm	44
2013	34.2 °C1 March 2013	10.0 °C15 December 2013	20.9 °C	2,863 mm	86
2012	34.4 °C10 April 2012	11.6 °C27 December 2012	21.1 °C	2,698 mm	86
2011	33.9 °C10 April 2011	11.0 °C29 November 2011	20.7 °C	2,721 mm	74
2010	34.8 °C12 April 2010	12.7 °C1 January 2010	21.1 °C	2,959 mm	80
2009	34.0 °C22 March 2009	13.2 °C31 December 2009	21.3 °C	2,449 mm	83
2008	32.6 °C5 March 2008	12.8 °C14 December 2008	20.6 °C	2,950 mm	62
2007	34.4 °C10 March 2007	12.5 °C9 January 2007	20.9 °C	2,720 mm	74
2006	34.5 °C21 April 2006	12.2 °C29 December 2006	21.1 °C	2,884 mm	99
2005	34.5 °C26 February 2005	11.5 °C7 January 2005	21.1 °C	2,782 mm	75
2004	34.2 °C22 March 2004	12.6 °C6 February 2004	20.6 °C	2,691 mm	60
2003	34.3 °C6 May 2003	11.8 °C5 January 2003	21.0 °C	2,372 mm	85
2002	35.1 °C2 April 2002	10.2 °C26 December 2002	21.0 °C	2,577 mm	86
2001	34.0 °C16 April 2001	12.3 °C10 January 2001	20.3 °C	2,806 mm	36
2000	34.8 °C29 March 2000	10.6 °C11 December 2000	20.2 °C	2,979 mm	60
1999	33.1 °C20 March 1999	12.0 °C2 January 1999	20.4 °C	3,171 mm	73
1998	35.1 °C14 March 1998	12.0 °C13 February 1998	21.3 °C	2,709 mm	93
1997	34.0 °C8 March 1997	12.3 °C23 January 1997	20.5 °C	3,211 mm	39
1996	34.4 °C13 March 1996	12.7 °C30 November 1996	20.4 °C	3,236 mm	53
1995	33.7 °C18 March 1995	13.2 °C10 November 1995	20.9 °C	3,003 mm	54
1994	34.2 °C9 March 1994	12.4 °C5 December 1994	20.9 °C	2,938 mm	99
1993	32.1 °C19 February 1993	10.8 °C7 February 1993	20.3 °C	3,086 mm	21
1992	33.4 °C12 March 1992	9.8 °C3 January 1992	19.9 °C	3,265 mm	33
1991	32.9 °C22 February 1991	11.7 °C10 November 1991	20.3 °C	2,924 mm	35
1990	33.0 °C11 April 1990	12.0 °C26 February 1990	20.4 °C	2,794 mm	31
1989	31.8 °C2 March 1989	10.8 °C22 January 1989	19.8 °C	3,069 mm	20
1988	33.1 °C4 April 1988	11.4 °C28 December 1988	20.6 °C	2,947 mm	59
1987	33.2 °C15 April 1987	11.8 °C4 January 1987	20.5 °C	3,227 mm	39
1986	31.2 °C4 February 1986	12.2 °C16 January 1986	20.2 °C	2,884 mm	32
1985	33.1 °C16 March 1985	12.3 °C17 February 1985	19.8 °C	3,475 mm	38
1984	32.6 °C12 March 1984	11.7 °C23 January 1984	20.6 °C	2,742 mm	65
1983	34.4 °C19 April 1983	10.7 °C26 December 1983	20.7 °C	2,827 mm	71
1982	31.7 °C27 March 1982	11.5 °C15 February 1982	20.1 °C	3,006 mm	25
1981	33.5 °C17 April 1981	12.1 °C14 November 1981	20.3 °C	2,955 mm	41
1980	31.8 °C18 March 1980	11.9 °C13 December 1980	20.1 °C	3,430 mm	13
1979	32.3 °C20 April 1979	12.4 °C31 January 1979	19.9 °C	3,453 mm	25
1978	32.7 °C2 April 1978	12.4 °C1 December 1978	20.0 °C	3,317 mm	47
1977	33.2 °C21 April 1977	12.4 °C23 November 1977	20.3 °C	2,833 mm	54
1976	31.1 °C11 March 1976	12.0 °C3 January 1976	19.8 °C	3,227 mm	9
1975	31.3 °C16 April 1975	11.3 °C5 December 1975	19.4 °C	3,159 mm	14
1974	32.5 °C10 April 1974	11.7 °C19 January 1974	19.7 °C	3,137 mm	17
1973	33.4 °C17 March 1973	11.2 °C13 December 1973	20.4 °C	3,197 mm	62
1972	32.9 °C9 March 1972	11.8 °C2 January 1972	20.2 °C	3,078 mm	42
1971	32.9 °C7 March 1971	9.5 °C25 December 1971	19.6 °C	3,052 mm	47
1970	33.8 °C8 April 1970	11.2 °C28 November 1970	20.3 °C	3,105 mm	65
1969	31.7 °C14 April 1969	11.3 °C30 January 1969	20.0 °C	3,077 mm	18
1968	32.6 °C31 March 1968	10.2 °C17 January 1968	20.1 °C	2,369 mm	44
1967	31.6 °C15 February 1967	11.2 °C28 December 1967	19.5 °C	2,834 mm	12
1966	32.7 °C14 May 1966	12.6 °C26 December 1966	20.6 °C	2,044 mm	74
1965	31.9 °C29 May 1965	11.9 °C1 January 1965	20.4 °C	2,217 mm	74
1964	32.5 °C11 April 1964	12.6 °C1 November 1964	20.2 °C	2,344 mm	90
1963	31.9 °C27 March 1963	11.8 °C25 December 1963	19.5 °C	3,123 mm	19
1962	32.0 °C26 February 1962	11.2 °C4 January 1962	19.4 °C	3,493 mm	15
1961	33.2 °C15 May 1961	11.4 °C14 December 1961	19.9 °C	3,031 mm	44
1960	31.5 °C22 March 1960	12.7 °C29 November 1960	19.4 °C	3,350 mm	4
1959	33.2 °C17 March 1959	12.1 °C30 November 1959	19.6 °C	3,277 mm	22
1958	33.7 °C5 March 1958	11.9 °C15 February 1958	20.2 °C	3,197 mm	56
1957	30.9 °C21 February 1957	10.2 °C24 January 1957	19.7 °C	3,032 mm	14
1956	32.8 °C18 March 1956	10.6 °C2 January 1956	19.7 °C	3,005 mm	49
1955	32.8 °C11 March 1955	11.4 °C31 December 1955	19.4 °C	3,173 mm	27
1954	32.8 °C19 March 1954	12.0 °C8 December 1954	19.5 °C	2,527 mm	48
1953	32.9 °C30 March 1953	10.1 °C21 December 1953	19.3 °C	3,308 mm	18
1952	31.8 °C22 February 1952	12.9 °C19 November 1952	19.4 °C	3,679 mm	34
1951	32.4 °C7 March 1951	11.3 °C17 December 1951	19.5 °C	3,294 mm	35
1950	30.7 °C1 March 1950	11.9 °C6 December 1950	18.4 °C	3,462 mm	1
1949	31.3 °C25 March 1949	11.5 °C25 December 1949	18.9 °C	3,003 mm	9
1948	31.9 °C16 April 1948	11.4 °C23 December 1948	19.5 °C	3,128 mm	21
1947	31.7 °C15 April 1947	10.9 °C4 December 1947	19.4 °C	3,161 mm	29
1946	33.1 °C1 April 1946	10.3 °C10 December 1946	19.8 °C	2,862 mm	72
1945	31.8 °C24 February 1945	11.2 °C18 January 1945	19.7 °C	2,791 mm	23
1944	33.0 °C15 April 1944	10.8 °C31 January 1944	19.9 °C	2,667 mm	39
1943	31.8 °C16 February 1943	12.0 °C14 August 1943	19.2 °C	2,241 mm	36
1942	30.8 °C14 February 1942	10.6 °C27 November 1942	19.4 °C	2,996 mm	22
1941	34.8 °C28 March 1941	11.9 °C18 December 1941	20.2 °C	2,654 mm	79
1940	31.9 °C11 April 1940	10.5 °C3 March 1940	19.5 °C	2,938 mm	21

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

27.3 °C

+1.1 °C

Hot days (≥ 30 °C)

89 d/yr

+38

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2188 mm

-717 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.7 °C	+1.5 °C	0 mm	-12 mm
Feb	31.4 °C	+1.8 °C	0 mm	-18 mm
Mar	32.1 °C	+2.1 °C	3 mm	-44 mm
Apr	30.2 °C	+1.0 °C	58 mm	-66 mm
May	28.0 °C	+1.5 °C	252 mm	-110 mm
Jun	26.1 °C	+1.7 °C	368 mm	-115 mm
Jul	23.6 °C	+0.8 °C	399 mm	-45 mm
Aug	22.6 °C	-0.3 °C	397 mm	-85 mm
Sep	24.4 °C	+0.5 °C	412 mm	-93 mm
Oct	24.9 °C	+0.2 °C	297 mm	-24 mm
Nov	26.8 °C	+1.5 °C	1 mm	-89 mm
Dec	28.6 °C	+1.9 °C	0 mm	-16 mm

The year's extremes

Hottest day

34.7 °C

31 Mar 2025

Coldest day

14.1 °C

27 Jan 2025

Wettest day

46.3 mm

27 May 2025

Windiest day

15.9 km/h

28 Mar 2025

Strongest gust

46.8 km/h

21 Aug 2025

Hottest feels-like

35.9 °C

28 Feb 2025

Coldest feels-like

12.1 °C

27 Jan 2025

Sunniest day

12.2 h

16 May 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 Nejo?

Nejo has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 20.3 °C and it receives 2,905 mm of precipitation per year.

What is the hottest day ever recorded in Nejo?

The hottest day measured in Nejo between 1940 and 2025 was 14 March 1998, reaching 35.1 °C.

What is the coldest day in Nejo?

The coldest day measured in Nejo between 1940 and 2025 was 25 December 1971, at 9.5 °C.

Does it snow in Nejo?

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

Has the climate of Nejo warmed?

Yes: Nejo warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Nejo?

The wettest day measured in Nejo between 1940 and 2025 was 2 August 1979, with 102 mm of rain in 24 hours.

What was the windiest day in Nejo?

The windiest day measured in Nejo between 1940 and 2025 was 22 August 2024, with winds reaching 24.9 km/h.

What is the warmest month in Nejo?

The warmest month in Nejo is March (23.4 °C on average); the coldest is August (18.1 °C).

How much does it rain in Nejo?

Nejo receives on average 2,905 mm of precipitation per year, spread over about 206 rainy days.

Is it sunny in Nejo?

Nejo gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.

Are there tropical nights in Nejo?

Yes: Nejo has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nejo?

In Nejo, between 1940 and 2025, the highest apparent temperature reached 36.2 °C on 25 March 1998, and the lowest was 7.2 °C on 11 January 2015.

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