Bosaso climate — normals and trends

Q: What is the climate of Bosaso?

Bosaso has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 27.7 °C and it receives 59 mm of precipitation per year.

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

The hottest day measured in Bosaso between 1940 and 2025 was 9 July 2019, reaching 39.5 °C.

Q: What is the coldest day in Bosaso?

The coldest day measured in Bosaso between 1940 and 2025 was 19 January 1946, at 15.5 °C.

Q: Does it snow in Bosaso?

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

Q: Has the climate of Bosaso warmed?

Yes: Bosaso warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bosaso?

The wettest day measured in Bosaso between 1940 and 2025 was 27 May 1984, with 83 mm of rain in 24 hours.

Q: What was the windiest day in Bosaso?

The windiest day measured in Bosaso between 1940 and 2025 was 20 July 1965, with winds reaching 41.9 km/h.

Q: What is the warmest month in Bosaso?

The warmest month in Bosaso is June (32.3 °C on average); the coldest is January (22.8 °C).

Q: How much does it rain in Bosaso?

Bosaso receives on average 59 mm of precipitation per year, spread over about 12 rainy days.

Q: Is it sunny in Bosaso?

Bosaso gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

Bosaso (Somalia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 27.7 °C and it receives 59 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 June (32.3 °C on average) and the coldest is January (22.8 °C). Rainfall peaks in November.

Bosaso averages 0 frost days, 211 hot days (≥ 30 °C) and 12 rainy days per year.

Bosaso has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.5 °C (on 9 July 2019) and the coldest 15.5 °C (on 19 January 1946).

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

BosasoBari

coords: 11.28°, 49.18°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthJuneColdest monthJanuaryWettest monthNovemberDriest monthAugust

Mean daily temperature

27.7°C

Average daily high

31.2°C

Average daily low

24.8°C

Annual rainfall

59mm

Sunshine / day

10.9h

Mean relative humidity

61%

Average peak wind

21.8km/h

Seasonal range

9.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

211 d/yr

Rainy days (≥ 1 mm)

12 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.9 °C

Average feels-like low

26.2 °C

Average peak gust

40.5 km/h

Tropical nights (≥ 20 °C)

320 d/yr

Solar radiation

21.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.65 · 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

39.5 °C

9 July 2019

Coldest day

15.5 °C

19 January 1946

Wettest day

83 mm

27 May 1984

Windiest day

41.9 km/h

20 July 1965

Strongest gust

82.1 km/h

20 July 1965

Hottest feels-like

42.3 °C

6 September 2010

Coldest feels-like

15.3 °C

14 December 2017

Sunniest day

12.0 h

1 May 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.8 °C3 July 2025	17.3 °C2 December 2025	28.4 °C	8 mm	231
2024	39.4 °C27 June 2024	16.8 °C20 December 2024	29.0 °C	52 mm	247
2023	39.4 °C19 September 2023	18.4 °C3 February 2023	28.5 °C	119 mm	220
2022	38.3 °C12 June 2022	17.5 °C16 February 2022	28.0 °C	45 mm	205
2021	38.5 °C29 August 2021	17.1 °C4 February 2021	27.9 °C	40 mm	215
2020	38.6 °C21 June 2020	17.5 °C30 January 2020	28.2 °C	125 mm	220
2019	39.5 °C9 July 2019	18.1 °C19 January 2019	28.3 °C	162 mm	222
2018	38.2 °C29 July 2018	16.1 °C8 February 2018	27.7 °C	74 mm	204
2017	38.6 °C17 July 2017	15.6 °C14 December 2017	28.2 °C	25 mm	225
2016	38.2 °C30 June 2016	17.2 °C18 February 2016	28.3 °C	45 mm	239
2015	39.0 °C8 July 2015	17.0 °C24 January 2015	28.2 °C	35 mm	225
2014	38.9 °C20 July 2014	17.4 °C18 January 2014	28.1 °C	19 mm	216
2013	38.5 °C3 June 2013	17.2 °C18 January 2013	28.3 °C	60 mm	226
2012	38.5 °C27 June 2012	17.1 °C26 January 2012	28.0 °C	42 mm	203
2011	38.9 °C22 July 2011	15.9 °C5 January 2011	28.2 °C	17 mm	208
2010	38.6 °C10 September 2010	17.3 °C13 January 2010	28.3 °C	36 mm	231
2009	39.1 °C14 July 2009	17.8 °C7 January 2009	28.3 °C	6 mm	217
2008	38.7 °C4 August 2008	17.5 °C11 March 2008	27.8 °C	22 mm	212
2007	39.3 °C18 June 2007	17.9 °C6 January 2007	28.4 °C	33 mm	222
2006	38.9 °C21 July 2006	17.8 °C3 March 2006	28.5 °C	82 mm	217
2005	39.1 °C11 June 2005	16.1 °C2 January 2005	28.4 °C	44 mm	230
2004	38.2 °C29 July 2004	17.1 °C5 March 2004	28.1 °C	122 mm	211
2003	38.9 °C21 July 2003	17.8 °C4 January 2003	28.2 °C	46 mm	228
2002	37.9 °C1 July 2002	16.5 °C8 February 2002	28.2 °C	43 mm	217
2001	38.7 °C20 August 2001	17.0 °C3 January 2001	28.0 °C	16 mm	220
2000	38.3 °C5 June 2000	16.7 °C2 January 2000	28.0 °C	30 mm	226
1999	38.1 °C26 August 1999	18.2 °C6 January 1999	28.2 °C	22 mm	228
1998	39.4 °C23 June 1998	18.1 °C17 December 1998	28.6 °C	13 mm	239
1997	38.0 °C26 July 1997	16.8 °C3 January 1997	28.0 °C	128 mm	206
1996	37.9 °C4 August 1996	17.8 °C14 December 1996	27.9 °C	34 mm	224
1995	38.0 °C16 July 1995	17.7 °C4 January 1995	28.0 °C	15 mm	228
1994	37.9 °C11 July 1994	16.4 °C15 January 1994	27.5 °C	74 mm	204
1993	37.7 °C1 September 1993	17.9 °C11 December 1993	27.8 °C	84 mm	212
1992	38.4 °C26 August 1992	18.5 °C9 January 1992	27.8 °C	71 mm	209
1991	38.5 °C11 June 1991	17.2 °C5 January 1991	27.9 °C	39 mm	219
1990	38.2 °C3 July 1990	17.3 °C17 December 1990	28.2 °C	34 mm	210
1989	37.8 °C20 July 1989	16.6 °C20 January 1989	27.6 °C	39 mm	204
1988	38.0 °C30 August 1988	18.0 °C28 November 1988	28.0 °C	16 mm	211
1987	38.3 °C9 June 1987	17.5 °C18 January 1987	27.9 °C	96 mm	213
1986	37.5 °C10 July 1986	17.0 °C22 January 1986	27.4 °C	73 mm	205
1985	37.5 °C26 August 1985	17.8 °C18 January 1985	27.6 °C	20 mm	215
1984	37.8 °C1 September 1984	16.1 °C10 January 1984	27.2 °C	116 mm	215
1983	38.5 °C5 August 1983	16.7 °C31 December 1983	28.0 °C	24 mm	216
1982	37.5 °C22 August 1982	18.5 °C26 December 1982	27.8 °C	94 mm	219
1981	38.0 °C25 August 1981	17.8 °C10 December 1981	27.7 °C	58 mm	213
1980	38.3 °C4 June 1980	17.9 °C2 February 1980	28.0 °C	48 mm	223
1979	38.0 °C19 June 1979	17.0 °C2 December 1979	27.7 °C	23 mm	215
1978	37.5 °C11 June 1978	17.3 °C22 January 1978	27.8 °C	29 mm	204
1977	38.0 °C8 August 1977	16.9 °C21 February 1977	27.7 °C	98 mm	198
1976	37.7 °C28 June 1976	17.0 °C18 January 1976	27.3 °C	55 mm	210
1975	37.1 °C20 August 1975	17.8 °C28 November 1975	27.3 °C	36 mm	208
1974	37.1 °C24 July 1974	17.6 °C13 January 1974	27.4 °C	15 mm	219
1973	38.0 °C6 July 1973	16.5 °C18 December 1973	27.5 °C	20 mm	208
1972	38.1 °C14 July 1972	16.6 °C16 February 1972	27.5 °C	175 mm	214
1971	37.1 °C18 July 1971	17.2 °C3 February 1971	27.1 °C	27 mm	211
1970	38.1 °C9 July 1970	18.2 °C15 November 1970	27.8 °C	19 mm	220
1969	38.2 °C4 July 1969	17.6 °C4 February 1969	27.8 °C	37 mm	217
1968	37.8 °C25 June 1968	16.2 °C5 January 1968	27.2 °C	48 mm	189
1967	37.6 °C11 July 1967	15.9 °C21 December 1967	27.3 °C	113 mm	199
1966	37.9 °C8 August 1966	16.1 °C10 January 1966	27.4 °C	22 mm	195
1965	38.3 °C27 July 1965	15.7 °C7 January 1965	27.1 °C	56 mm	176
1964	37.7 °C19 June 1964	16.5 °C25 December 1964	27.5 °C	26 mm	202
1963	38.2 °C8 September 1963	17.6 °C12 January 1963	27.8 °C	43 mm	212
1962	37.6 °C22 July 1962	17.4 °C27 January 1962	27.6 °C	25 mm	197
1961	38.0 °C23 June 1961	17.3 °C2 January 1961	27.9 °C	92 mm	212
1960	38.1 °C4 June 1960	16.8 °C14 January 1960	27.4 °C	92 mm	215
1959	38.0 °C28 June 1959	17.4 °C6 January 1959	27.7 °C	38 mm	215
1958	38.3 °C3 September 1958	17.3 °C28 December 1958	27.8 °C	27 mm	220
1957	37.7 °C19 August 1957	16.6 °C29 January 1957	27.5 °C	93 mm	209
1956	37.8 °C15 August 1956	16.5 °C6 February 1956	27.3 °C	19 mm	220
1955	37.4 °C16 June 1955	16.2 °C2 March 1955	27.2 °C	17 mm	197
1954	37.8 °C9 June 1954	17.6 °C21 January 1954	27.2 °C	93 mm	198
1953	36.9 °C22 June 1953	17.9 °C22 January 1953	27.1 °C	211 mm	187
1952	36.6 °C20 July 1952	17.5 °C8 January 1952	27.2 °C	76 mm	203
1951	36.7 °C30 June 1951	16.6 °C17 January 1951	26.8 °C	238 mm	170
1950	36.3 °C2 July 1950	16.5 °C21 January 1950	26.3 °C	103 mm	166
1949	37.1 °C7 July 1949	16.8 °C4 January 1949	27.2 °C	60 mm	196
1948	38.1 °C12 July 1948	16.3 °C24 January 1948	27.5 °C	79 mm	214
1947	38.2 °C15 July 1947	17.4 °C19 December 1947	27.3 °C	103 mm	192
1946	37.5 °C4 July 1946	15.5 °C19 January 1946	27.2 °C	21 mm	201
1945	37.7 °C31 May 1945	15.9 °C11 December 1945	27.2 °C	53 mm	209
1944	37.9 °C14 June 1944	17.3 °C21 February 1944	27.5 °C	33 mm	206
1943	36.9 °C25 August 1943	17.3 °C16 November 1943	26.9 °C	48 mm	200
1942	36.9 °C14 June 1942	16.4 °C12 January 1942	27.3 °C	38 mm	208
1941	37.7 °C13 August 1941	16.5 °C19 January 1941	27.6 °C	12 mm	198
1940	38.2 °C15 August 1940	16.2 °C11 January 1940	27.3 °C	198 mm	173

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

32.1 °C

+0.9 °C

Hot days (≥ 30 °C)

231 d/yr

+20

Frost days (< 0 °C)

0 d/yr

Annual rainfall

8 mm

-51 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	25.5 °C	-0.5 °C	1 mm	-1 mm
Feb	27.6 °C	+0.5 °C	0 mm	-2 mm
Mar	29.8 °C	+0.2 °C	0 mm	-4 mm
Apr	32.8 °C	+1.0 °C	5 mm	-4 mm
May	35.1 °C	+1.8 °C	0 mm	-10 mm
Jun	37.1 °C	+1.2 °C	0 mm	-1 mm
Jul	37.3 °C	+1.3 °C	0 mm	-1 mm
Aug	36.4 °C	+0.6 °C	0 mm	-0 mm
Sep	36.4 °C	+1.5 °C	0 mm	-3 mm
Oct	31.9 °C	+1.6 °C	1 mm	-8 mm
Nov	28.1 °C	+0.5 °C	0 mm	-11 mm
Dec	26.5 °C	+0.2 °C	0 mm	-7 mm

The year's extremes

Hottest day

38.8 °C

3 Jul 2025

Coldest day

17.3 °C

2 Dec 2025

Wettest day

3.5 mm

13 Apr 2025

Windiest day

38.5 km/h

29 Jul 2025

Strongest gust

69.8 km/h

26 Jul 2025

Hottest feels-like

41.7 °C

23 May 2025

Coldest feels-like

18.5 °C

2 Dec 2025

Sunniest day

11.9 h

6 Apr 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 Bosaso?

Bosaso has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 27.7 °C and it receives 59 mm of precipitation per year.

What is the hottest day ever recorded in Bosaso?

The hottest day measured in Bosaso between 1940 and 2025 was 9 July 2019, reaching 39.5 °C.

What is the coldest day in Bosaso?

The coldest day measured in Bosaso between 1940 and 2025 was 19 January 1946, at 15.5 °C.

Does it snow in Bosaso?

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

Has the climate of Bosaso warmed?

Yes: Bosaso warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bosaso?

The wettest day measured in Bosaso between 1940 and 2025 was 27 May 1984, with 83 mm of rain in 24 hours.

What was the windiest day in Bosaso?

The windiest day measured in Bosaso between 1940 and 2025 was 20 July 1965, with winds reaching 41.9 km/h.

What is the warmest month in Bosaso?

The warmest month in Bosaso is June (32.3 °C on average); the coldest is January (22.8 °C).

How much does it rain in Bosaso?

Bosaso receives on average 59 mm of precipitation per year, spread over about 12 rainy days.

Is it sunny in Bosaso?

Bosaso gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

Are there tropical nights in Bosaso?

Yes: Bosaso has on average 320 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bosaso?

In Bosaso, between 1940 and 2025, the highest apparent temperature reached 42.3 °C on 6 September 2010, and the lowest was 15.3 °C on 14 December 2017.

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