Asmara Weather in May

NASA POWER reanalysis for the half-degree grid cell around Asmara, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 33°C on May 1 to 34°C on May 31, and lows from 19°C to 20°C. Normal precipitation for the month is 22 mm over about 3 wet days.

May day by day

The normal high and low for each date, in °C.

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

May at a glance

Average high: 34°C
Average low: 20°C
Precipitation: 22 mm
Reanalysis high: 39°CMay 28, 2004
Reanalysis low: 14°CMay 1, 2017
Daylight: 12 h 41 min to 12 h 58 min
Cloud cover: 32%
Humidity: 43%
Dew point: 10°C
Wind: 11.9 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

Date	Normal high	Normal low	Reanalysis high	Reanalysis low	Chance wet
May 1	33°C	19°C	36°C 2012	14°C 2017	17%
May 2	33°C	19°C	37°C 2012	16°C 1993	17%
May 3	33°C	19°C	37°C 2019	16°C 2017	16%
May 4	33°C	19°C	37°C 2019	15°C 1993	14%
May 5	33°C	19°C	38°C 2009	17°C 1993	13%
May 6	33°C	19°C	38°C 2009	16°C 1996	13%
May 7	33°C	19°C	36°C 2003	16°C 2002	12%
May 8	33°C	19°C	37°C 2018	16°C 1995	12%
May 9	33°C	19°C	37°C 2003	17°C 2008	13%
May 10	33°C	19°C	36°C 2007	17°C 1994	14%
May 11	33°C	20°C	37°C 2007	17°C 1999	15%
May 12	33°C	20°C	36°C 2007	16°C 1992	16%
May 13	33°C	20°C	37°C 2003	16°C 1996	17%
May 14	33°C	20°C	37°C 2003	17°C 2004	17%
May 15	33°C	20°C	36°C 2004	16°C 2018	17%
May 16	34°C	20°C	37°C 2019	17°C 1993	16%
May 17	34°C	20°C	36°C 1991	17°C 2004	16%
May 18	34°C	20°C	36°C 2007	18°C 2015	16%
May 19	34°C	20°C	37°C 2015	17°C 1992	17%
May 20	34°C	20°C	37°C 2015	17°C 1993	16%
May 21	34°C	20°C	37°C 2015	17°C 2006	16%
May 22	34°C	20°C	37°C 2001	18°C 2016	15%
May 23	34°C	20°C	36°C 2004	18°C 1996	14%
May 24	34°C	20°C	37°C 1998	18°C 1993	14%
May 25	34°C	20°C	37°C 1998	16°C 1993	12%
May 26	34°C	20°C	37°C 2002	18°C 2020	11%
May 27	34°C	20°C	37°C 2004	18°C 1992	10%
May 28	34°C	20°C	39°C 2004	18°C 2014	10%
May 29	34°C	20°C	37°C 2012	17°C 1995	10%
May 30	34°C	20°C	37°C 2003	18°C 1995	10%
May 31	34°C	20°C	37°C 2003	18°C 1999	11%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+3).

May 1: sunrise 6:01 AM, sunset 6:42 PM
May 31: sunrise 5:53 AM, sunset 6:51 PM

Every day of May: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.