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Monthly climate in Asmara, Eritrea

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Asmara features a hot semi-arid climate (BSh).Temperatures typically range between 16 °C (62 °F) and 22 °C (73 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 856 mm (33.7 inches) and receives 165 rainy days on the 1 mm (0.04 inches) threshold annually.Asmara enjoys an average of 3932 hours of sunshine throughout the year, and daylight varies from 11 hours 13 minutes to 13 hours 0 minutes per day.

Monthly average temperatures in Asmara, Eritrea §

The warmest months in Asmara are May, June and September, with daily mean temperatures ranging from 21 to 22 °C (70 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 17 °C (62 - 63 °F) throughout the day. On average each year, Asmara experiences 184 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Asmara, Eritrea.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 27°C
(81°F)		 28°C
(82°F)		 30°C
(86°F)		 29°C
(85°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(89°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(84°F)		 27°C
(80°F)		 25°C
(78°F)
Mean maximum 25°C
(78°F)		 26°C
(80°F)		 29°C
(85°F)		 29°C
(84°F)		 30°C
(86°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(83°F)		 30°C
(85°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(77°F)
Average high 22°C
(73°F)		 23°C
(74°F)		 25°C
(78°F)		 26°C
(80°F)		 27°C
(82°F)		 29°C
(85°F)		 27°C
(80°F)		 26°C
(79°F)		 27°C
(82°F)		 25°C
(78°F)		 24°C
(75°F)		 22°C
(73°F)
Daily mean 16°C
(62°F)		 17°C
(63°F)		 19°C
(66°F)		 20°C
(69°F)		 21°C
(71°F)		 22°C
(73°F)		 21°C
(70°F)		 21°C
(69°F)		 21°C
(70°F)		 19°C
(67°F)		 18°C
(65°F)		 17°C
(62°F)
Average low 12°C
(53°F)		 13°C
(55°F)		 13°C
(57°F)		 15°C
(59°F)		 16°C
(61°F)		 17°C
(62°F)		 17°C
(62°F)		 17°C
(62°F)		 16°C
(61°F)		 15°C
(58°F)		 13°C
(56°F)		 12°C
(54°F)
Mean minimum 8°C
(47°F)		 9°C
(49°F)		 10°C
(51°F)		 12°C
(53°F)		 14°C
(57°F)		 15°C
(60°F)		 16°C
(60°F)		 15°C
(59°F)		 14°C
(58°F)		 12°C
(55°F)		 11°C
(52°F)		 9°C
(49°F)
Minimum 6°C
(43°F)		 8°C
(46°F)		 9°C
(49°F)		 11°C
(52°F)		 13°C
(56°F)		 13°C
(56°F)		 15°C
(59°F)		 14°C
(58°F)		 13°C
(56°F)		 12°C
(53°F)		 10°C
(50°F)		 7°C
(46°F)

Compare climate in Asmara with other places

Compare temperature, precipitation, sunshine, UV index in Asmara, Eritrea with other places around the world.

Monthly average precipitation in Asmara, Eritrea §

Asmara usually has the most precipitation in April, July and August, with an average of 24 rainy days and 155 mm (6.1 inches) of precipitation per month.The driest months in Asmara are January, October and December. On average, 31 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Asmara, Eritrea.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 32 (1.2) 61 (2.4) 36 (1.4) 70 (2.8) 63 (2.5) 43 (1.7) 153 (6.0) 242 (9.5) 53 (2.1) 28 (1.1) 42 (1.7) 32 (1.3)
Average precipitation days (≥ 1 mm) 10 14 11 19 13 9 26 28 7 6 12 10

Monthly sunshine hours in Asmara, Eritrea §

The sunniest months in Asmara are March, May and June, when the sun shines an average of 11 hours 22 minutes a day.Least sunny months in Asmara: January, February and November receive an average of 9 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Asmara, Eritrea.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 265 301 349 343 351 345 339 330 325 334 320 325
Mean daily daylight hours 11h 19m 11h 37m 12h 2m 12h 28m 12h 49m 13h 0m 12h 55m 12h 36m 12h 11m 11h 45m 11h 24m 11h 13m

Solar UV radiation in Asmara, Eritrea §

Asmara experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Asmara UV Index data.

Average daily maximum UV levels by month for Asmara, Eritrea.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 11 13 15 15 14 12 13 13 12 12 10 10