Hīrna weather in May

In May, Hīrna sees average daytime highs of 27°C and overnight lows near 17°C, with 139 mm of rain across 19.7 wet days and about 12.4 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 26% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 30 min by month's end. Set against the rest of the year, May is Hīrna's 11th-clearest and 5th-windiest month. For the whole year in context, see Hīrna's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
17°
12th coldest
Rainfall
139 mm
19.7 wet days
Daylight
12 h 24 min
5:59 AM – 6:24 PM
Cloud cover
59%
11th clearest
Wind
7 km/h
5th windiest
Solar energy
5.93 kWh/m²
Travel score
5.1
out of 10

Hīrna is town in Northeastern Ethiopia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in Hīrna reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72717
82717
92717
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

Hīrna weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°163.811.58.2
Feb27° / 15°223.511.77.7
Mar28° / 17°7910.111.96.6
Apr27° / 17°13115.812.25.6
May27° / 17°13919.712.45.1
Jun27° / 17°7015.312.55.8
Jul26° / 17°11820.712.55.3
Aug26° / 17°11819.412.35.6
Sep26° / 17°6613.412.16.3
Oct26° / 16°8511.111.86.7
Nov25° / 14°385.311.67.9
Dec25° / 13°173.111.58.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34654
44654
54654
64555
74555
84555
94654
104555
114555
124654
134654
144753
154753
164852
174852
184951
195149
205149
215347
225347
235446
245644
255644
265743
275842
285842
295941
306040
316139

Chance of precipitation in May

Any precipitation

Hīrna gets around 139 mm of rain over 19.7 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 63% and peaks near 65% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
161
261
362
462
562
662
762
862
963
1063
1163
1263
1363
1463
1563
1663
1763
1863
1964
2064
2164
2265
2365
2465
2565
2665
2765
2865
2964
3064
3163

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the comfortable band about 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1204338
2194338
3194338
4194338
5194338
6184438
7184438
8184537
9184537
10174637
11174736
12164836
13164935
14165034
15165133
16165133
17165232
18165331
19155530
20155629
21155629
22155728
23165727
24165727
25165826
26165925
27166024
28176023
29176023
30176122
31186121

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 6:03 AM to 5:58 AM, and sunset from 6:22 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:036:22
212.36:036:23
312.36:026:23
412.36:026:23
512.36:026:23
612.46:026:23
712.46:016:23
812.46:016:23
912.46:016:23
1012.46:006:23
1112.46:006:24
1212.46:006:24
1312.46:006:24
1412.46:006:24
1512.45:596:24
1612.45:596:24
1712.45:596:25
1812.45:596:25
1912.45:596:25
2012.45:596:25
2112.45:596:25
2212.55:586:26
2312.55:586:26
2412.55:586:26
2512.55:586:26
2612.55:586:27
2712.55:586:27
2812.55:586:27
2912.55:586:27
3012.55:586:28
3112.55:586:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.93 kWh/m².

For context, solar energy here swings from a low near 5.55 kWh/m² to a high of 6.2 kWh/m² in February across the year — May's 5.93 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Bright
146.0Bright
156.0Bright
166.0Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Hīrna

In seasonPeak

In May, Hīrna sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Hīrna's rainy season runs March–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Hīrna?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.1
Sightseeing
12th-best month of the year
5.3
Beach & pool
10th-best month of the year

May is a reasonable time to visit Hīrna for sightseeing.

What to pack for Hīrna in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Hīrna sees daytime highs around 27°C and nights near 17°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Hīrna in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hīrna peaks around March 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 11 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 16Nov 23UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Hīrna in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Hīrna is worst in November — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 2128 µg/m³Aug 1819 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb27Moderate
Mar26Moderate
Apr22Moderate
May21Moderate
Jun24Moderate
Jul23Moderate
Aug19Moderate
Sep21Moderate
Oct27Moderate
Nov28Moderate
Dec28Moderate
Location & terrain

Where is Hīrna?

Hīrna sits at 9.2°N, 41.1°E, 1,789 m above sea level, in Ethiopia. The nearest listed city is Āsbe Teferī, 29 km away.

Dire Dawa‘Alemaya

Topography around Hīrna

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hīrna.

Within 3 km, the terrain around Hīrna has large variations in elevation — a maximum elevation change of 601 m around an average of 1,925 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,423 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,667 m.

The land around Hīrna is covered by cropland (57%) and shrubs (36%) within 3 km, shrubs (51%) and cropland (46%) within 16 km, and shrubs (56%) and grassland (20%) within 80 km.

3 km
601 m
16 km
1,423 m
80 km
2,667 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Āsbe Teferī 29 km · Mī’ēso 38 km · Deder 39 km · Bedēsa 49 km · Chelenko 54 km · Gelemso 78 km · Dire Dawa 94 km · ‘Alemaya 102 km

Ethiopia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / F / L
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$933
2025
Happiness
4.0 / 10
World Happiness, 2025
Safe drinking water
14%
of population, 2024
Homicide rate
8.5
per 100k, 2012
Road deaths
28.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 499
Religion
Ethiopian Orthodox 44%Muslim 31%Protestant 23%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Hīrna (9.2167°, 41.1°, elevation 1,789 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).