Umm Ruwaba weather in May

In May, Umm Ruwaba sees average daytime highs of 39°C and overnight lows near 27°C, with 13 mm of rain across 3.8 wet days and about 12.6 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 39°C through the month. The sky is clear or mostly clear about 62% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is Umm Ruwaba's 7th-clearest and 9th-windiest month. For the whole year in context, see Umm Ruwaba's year-round climate.

Daytime high
39°
1st warmest
Overnight low
27°
12th coldest
Rainfall
13 mm
3.8 wet days
Daylight
12 h 36 min
6:34 AM – 7:09 PM
Cloud cover
35%
7th clearest
Wind
11 km/h
9th windiest
Solar energy
6.99 kWh/m²
Travel score
0.4
out of 10

Umm Ruwaba is human settlement in Sudan.

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 39°C through the month.

A typical May day in Umm Ruwaba reaches about 39°C in the afternoon and slips back to 27°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 37°C and 42°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14026
24026
34026
44026
54026
64026
74026
84026
94026
104027
114027
124027
134027
144027
153927
163927
173927
183927
193927
203927
213927
223927
233927
243927
253927
263927
273927
283927
293927
303927
313927

How May really feels in Umm Ruwaba

Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
23 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Umm Ruwaba weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 17°0011.36.6
Feb33° / 19°0011.65.0
Mar36° / 22°00.111.92.7
Apr39° / 25°20.512.30.8
May39° / 27°133.812.60.4
Jun38° / 27°257.112.71.3
Jul34° / 25°7014.112.72.6
Aug33° / 24°8314.512.43.3
Sep35° / 24°459.812.12.8
Oct37° / 25°133.711.72.0
Nov35° / 22°0011.43.8
Dec31° / 18°0011.36.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38317
48317
58317
68317
78317
88218
98218
108119
118119
128119
138020
148020
157921
167921
177921
187723
197723
207723
217624
227525
237525
247525
257426
267426
277426
287426
297426
307426
317426

Chance of precipitation in May

Any precipitation

Umm Ruwaba gets around 13 mm of rain over 3.8 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 12% and peaks near 18% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
45
55
65
76
86
97
107
118
129
139
1410
1511
1612
1713
1814
1915
2015
2116
2217
2317
2418
2518
2618
2718
2818
2918
3018
3118

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17491340
273101340
373101340
471111350
570111450
668121460
768121460
867121470
967121470
1066121480
1165121481
1263121591
13631115101
14621116101
15611116111
16581117122
17561118132
18531120142
19511121152
20491122162
21461123173
22431125193
23401126203
24381127213
25351128223
26331229234
27311230244
28291230254
29271231264
30261232274
31241232284

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 42 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 6:39 AM to 6:32 AM, and sunset from 7:06 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:397:06
212.56:387:06
312.56:387:06
412.56:377:06
512.56:377:07
612.56:377:07
712.56:367:07
812.56:367:07
912.56:367:08
1012.56:357:08
1112.66:357:08
1212.66:357:08
1312.66:347:08
1412.66:347:09
1512.66:347:09
1612.66:347:09
1712.66:337:09
1812.66:337:10
1912.66:337:10
2012.66:337:10
2112.66:337:11
2212.66:327:11
2312.66:327:11
2412.76:327:11
2512.76:327:12
2612.76:327:12
2712.76:327:12
2812.76:327:13
2912.76:327:13
3012.76:327:13
3112.76:327:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.99 kWh/m².

For context, solar energy here swings from a low near 5.83 kWh/m² to a high of 7.55 kWh/m² in April across the year — May's 6.99 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.2Intense
117.2Intense
127.2Intense
137.2Intense
147.1Intense
157.1Intense
167.0Intense
177.0Intense
187.0Intense
196.9Intense
206.9Intense
216.9Intense
226.8Intense
236.8Intense
246.8Intense
256.7Intense
266.7Intense
276.7Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in May

Hazard calendar for Umm Ruwaba

In seasonPeak

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

Umm Ruwaba sees seasonal dust haze (March–July), heaviest in April.

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

Is May a good time to visit Umm Ruwaba?

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

0.4
Sightseeing
12th-best month of the year
3.4
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Umm Ruwaba.

What to pack for Umm Ruwaba in May

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

In May, Umm Ruwaba sees daytime highs around 39°C and nights near 27°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Umm Ruwaba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Umm Ruwaba peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highMar 17UV 13Dec 12UV 8
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr12Extreme
May9Very high
Jun11Extreme
Jul10Very high
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Umm Ruwaba 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 Umm Ruwaba is worst in March — around 49 µg/m³ PM2.5 (poor), about 3.6× the cleanest month (August, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1548 µg/m³Aug 1714 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb43Poor
Mar49Poor
Apr40Poor
May25Moderate
Jun21Moderate
Jul17Moderate
Aug14Moderate
Sep16Moderate
Oct22Moderate
Nov24Moderate
Dec34Moderate
Location & terrain

Where is Umm Ruwaba?

Umm Ruwaba sits at 12.9°N, 31.2°E, 457 m above sea level, in Sudan. The nearest listed city is Ar Rahad, 65 km away.

El ObeidBārahAl Jazeera AbaKostiAbu JibehaRabak

Topography around Umm Ruwaba

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

Within 3 km, the terrain around Umm Ruwaba has only modest variations in elevation — a maximum elevation change of 13 m around an average of 451 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, large variations in elevation — a maximum elevation change of 974 m.

The land around Umm Ruwaba is covered by grassland (38%), cropland (31%) and artificial surfaces (29%) within 3 km, cropland (64%) and grassland (33%) within 16 km, and grassland (56%) and cropland (40%) within 80 km.

3 km
13 m
16 km
30 m
80 km
974 m
shrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Ar Rahad 65 km · Tandaltī 72 km · El Obeid 113 km · Bārah 127 km · Al Jazeera Aba 158 km · Kosti 159 km · Abu Jibeha 161 km · Rabak 168 km

Sudan travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / D / F / G
230 V · 50 Hz
Prices
≈ 215% of US
price level, 2025
GDP per capita
$1,165
2025
Happiness
4.1 / 10
World Happiness, 2017
Homicide rate
5.1
per 100k, 2008
Road deaths
26.8
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 421

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 Umm Ruwaba (12.9061°, 31.2158°, elevation 457 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).