Ziway weather in May

In May, Ziway sees average daytime highs of 26°C and overnight lows near 19°C, with 70 mm of rain across 10.9 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 35% 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 24 min by month's end. Set against the rest of the year, May is Ziway's 8th-clearest and 11th-windiest month. For the whole year in context, see Ziway's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
19°
11th coldest
Rainfall
70 mm
10.9 wet days
Daylight
12 h 24 min
6:11 AM – 6:32 PM
Cloud cover
52%
8th clearest
Wind
10 km/h
11th windiest
Solar energy
6.2 kWh/m²
Travel score
6.6
out of 10

Ziway is place in Oromia, Ethiopia.

Density
8,380/km²
people per km²

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 26°C through the month.

A typical May day in Ziway reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132720
142720
152720
162719
172719
182619
192619
202619
212619
222619
232619
242619
252619
262619
272619
282619
292619
302619
312619

Ziway weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°30.911.68.8
Feb26° / 18°61.411.78.3
Mar27° / 19°285.311.97.5
Apr27° / 20°569.812.26.5
May26° / 19°7010.912.46.6
Jun24° / 19°276.212.57.6
Jul23° / 18°6715.912.45.9
Aug22° / 18°10720.812.35.1
Sep23° / 18°11419.3125.6
Oct25° / 18°506.211.87.7
Nov25° / 17°71.311.68.8
Dec25° / 17°10.311.59.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 26% of May, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45248
55347
65347
75545
85644
95644
105743
115842
125941
136040
146040
156139
166139
176337
186337
196337
206535
216535
226634
236733
246832
256832
267030
277030
287228
297228
307228
317228

Chance of precipitation in May

Any precipitation

Ziway gets around 70 mm of rain over 10.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
542
642
741
841
940
1039
1139
1238
1337
1437
1536
1635
1734
1833
1932
2032
2131
2231
2330
2430
2529
2629
2728
2827
2926
3025
3124

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1196516
2196516
3186517
4186517
5186418
6176518
7176419
8166519
9166420
10156520
11146521
12136621
13126622
14126622
15116722
16116623
17106723
18106723
19106723
2096823
2196823
2286923
2386923
2477023
2577023
2677023
2767123
2867024
2957124
3057124
3147224

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 6:14 AM to 6:10 AM, and sunset from 6:31 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:146:31
212.36:146:31
312.36:136:31
412.36:136:31
512.36:136:31
612.36:136:31
712.36:126:31
812.36:126:31
912.36:126:31
1012.36:126:31
1112.36:116:31
1212.36:116:32
1312.36:116:32
1412.46:116:32
1512.46:116:32
1612.46:116:32
1712.46:106:32
1812.46:106:33
1912.46:106:33
2012.46:106:33
2112.46:106:33
2212.46:106:33
2312.46:106:33
2412.46:106:34
2512.46:106:34
2612.46:106:34
2712.46:106:34
2812.46:106:35
2912.46:106:35
3012.46:106:35
3112.46:106:35

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.2 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 6.7 kWh/m² in March across the year — May's 6.2 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Bright
286.0Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Ziway

In seasonPeak

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

Ziway's rainy season runs April–May, 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 Ziway?

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

6.6
Sightseeing
8th-best month of the year
6.5
Beach & pool
9th-best month of the year

May is a reasonable time to visit Ziway for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ziway in May

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

In May, Ziway sees daytime highs around 26°C and nights near 19°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

UV index in Ziway 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 Ziway peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Dec 10UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Ziway 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 Ziway is worst in June — around 39 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateModerateJun 1738 µg/m³Nov 2324 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb26Moderate
Mar27Moderate
Apr26Moderate
May31Moderate
Jun39Poor
Jul32Moderate
Aug29Moderate
Sep36Poor
Oct32Moderate
Nov24Moderate
Dec24Moderate
Location & terrain

Where is Ziway?

Ziway sits at 7.9°N, 38.7°E, 1,649 m above sea level, in Ethiopia. The nearest listed city is Mek’ī, 26 km away.

Topography around Ziway

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

Within 3 km, the terrain around Ziway has only modest variations in elevation — a maximum elevation change of 34 m around an average of 1,646 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 591 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,645 m.

The land around Ziway is covered by cropland (31%), artificial surfaces (28%) and water (22%) within 3 km, cropland (51%) and water (29%) within 16 km, and cropland (71%) within 80 km.

3 km
34 m
16 km
591 m
80 km
2,645 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Mek’ī 26 km · Insēno 31 km · Butajīra 44 km · Āsela 46 km · ‘Alem T’ēna 48 km · Sagurē 52 km · Dēra 54 km · Ciro 54 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 Ziway (7.9333°, 38.7167°, elevation 1,649 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).