Mersa, Ethiopia

Full City Profile

36,300 Population 8/sq mi density

5,646 ft Elevation 1,721 meters

63°F Avg Temperature 17°C

Mersa enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 60°F in January while summers reach 66°F in July. The area gets 270 sunny days per year. Annual precipitation totals 36.3 inches. The area receives 0.0 inches of snow annually.

Temperature

60°F Jan (15°C) 66°F Jul (19°C)

Annual Average	62.9°F
	16% above US avg
January Average	60°F (15°C)
July Average	66°F (19°C)
Sunny Days	270 days/yr

Geography

Elevation	5,646 ft (1,721 m)
Area	4,710.8 sq mi (12,201.0 km²)
Population Density	8/sq mi
Coordinates	11.6667°N, 39.6500°W
Timezone	Africa/Addis_Ababa

Precipitation & Snow

Annual Rainfall 36.3"

5% below US avg

Snowfall 0.0"

Wettest Month (Aug) 9.69"

Driest Month (Dec) 0.75"

Air Quality

Earthquake History

17 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.7. Most recent: M4.4 on Jul 6, 2024.

Sep 21, 1993	38 km N of Des?, Ethiopia	M5.7	21 km
May 4, 1990	6 km SW of Semera, Ethiopia	M5.0	143 km
Jan 21, 1993	101 km NNW of Semera, Ethiopia	M4.9	149 km
Oct 21, 1996	99 km E of Maych’ew, Ethiopia	M4.8	139 km
Oct 16, 1996	108 km E of Maych’ew, Ethiopia	M4.8	150 km
Jan 18, 2004	23 km WSW of Kemis?, Ethiopia	M4.6	112 km
Jun 17, 2006	70 km NNW of Semera, Ethiopia	M4.6	149 km
Jan 20, 2020	16 km S of Kemis?, Ethiopia	M4.5	125 km
Jun 17, 2006	76 km NW of Semera, Ethiopia	M4.5	121 km
Jul 6, 2024	38 km S of Robīt, Ethiopia	M4.4	3 km
Jun 17, 2006	72 km NW of Semera, Ethiopia	M4.4	113 km
Jan 25, 2023	94 km NW of Semera, Ethiopia	M4.3	133 km
Jun 17, 2006	71 km NW of Semera, Ethiopia	M4.3	115 km
Jun 20, 2014	56 km WNW of Were ?lu, Ethiopia	M4.2	133 km
Dec 5, 2001	107 km E of Maych’ew, Ethiopia	M4.0	147 km
Jun 17, 2006	68 km NW of Semera, Ethiopia	M3.9	126 km
Jul 14, 1997	22 km ESE of Lal?bela, Ethiopia	M3.8	55 km
Jul 11, 2005	71 km ENE of Rob?t, Ethiopia	M3.7	90 km

Source: USGS (M2.5+, 1990–2025)

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Dabbayra (92 km).

Name	Type	Elevation	Last Eruption	Distance
Dabbayra	Shield	1,302 m (4,272 ft)	Unknown	92 km
Dabbahu	Stratovolcano	1,401 m (4,596 ft)	2005	137 km
Manda Hararo	Shield(s)	600 m (1,969 ft)	2009	139 km
Alayta	Shield	1,496 m (4,908 ft)	1915	169 km
Gabillema	Stratovolcano	1,459 m (4,787 ft)	Unknown	188 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	60°F (15°C)	1.0 in
February	61°F (16°C)	1.3 in
March	62°F (16°C)	2.6 in
April	64°F (18°C)	3.0 in
May	65°F (19°C)	2.7 in
June	67°F (19°C)	1.3 in	Warmest
July	66°F (19°C)	8.9 in
August	65°F (19°C)	9.7 in	Wettest
September	65°F (18°C)	2.9 in
October	62°F (17°C)	1.3 in
November	60°F (15°C)	0.8 in
December	60°F (15°C)	0.8 in	Coldest, Driest

Mersa has a seasonal temperature swing of 7°F / from 60°F in December to 67°F in June. Total annual precipitation is 36.3 inches, with August being the wettest month (9.7") and December the driest (0.8").

View full weather details →