Er Roseires weather in May

In May, Er Roseires sees average daytime highs of 38°C and overnight lows near 27°C, with 47 mm of rain across 10.9 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 39°C in the first days to 37°C by the end. The sky is clear or mostly clear about 45% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 36 min by month's end. Set against the rest of the year, May is Er Roseires's 8th-clearest and 3rd-windiest month. For the whole year in context, see Er Roseires's year-round climate.

Daytime high
38°
3rd warmest
Overnight low
27°
12th coldest
Rainfall
47 mm
10.9 wet days
Daylight
12 h 30 min
6:22 AM – 6:55 PM
Cloud cover
47%
8th clearest
Wind
12 km/h
3rd windiest
Solar energy
6.31 kWh/m²
Travel score
0.9
out of 10

Er Roseires is town in eastern Sudan.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 39°C in the first days to 37°C by the end.

A typical May day in Er Roseires reaches about 38°C in the afternoon and slips back to 27°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 41°C. Set against its neighbours, May runs about 2°C cooler than April and about 3°C warmer than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14027
23927
33927
43927
53927
63927
73927
83927
93927
103927
113927
123927
133927
143827
153827
163827
173827
183827
193827
203827
213826
223826
233826
243726
253726
263726
273726
283726
293726
303726
313726

How May really feels in Er Roseires

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
30 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.

Er Roseires weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 21°0011.43.2
Feb37° / 22°0011.61.8
Mar40° / 25°20.411.90.3
Apr40° / 27°92.912.30.0
May38° / 27°4710.912.50.9
Jun35° / 25°7215.412.72.1
Jul33° / 24°10219.112.62.9
Aug31° / 23°13621.612.43.3
Sep32° / 23°9115.512.13.3
Oct34° / 24°5713.111.72.7
Nov36° / 23°30.911.52.4
Dec36° / 22°0011.33.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27525
37525
47426
57426
67525
77426
87426
97327
107327
117228
127228
137129
147030
157030
166931
176931
186832
196733
206634
216634
226535
236535
246535
256535
266535
276535
286436
296436
306535
316436

Chance of precipitation in May

Any precipitation

Er Roseires gets around 47 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 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
121
222
323
424
525
625
726
827
927
1028
1129
1229
1330
1431
1532
1633
1735
1836
1938
2039
2140
2242
2343
2444
2546
2647
2748
2848
2949
3050
3150

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1281730223
2261730234
3241631254
4221631265
5201631285
6191632295
7171532305
8161532326
9141532336
10131432346
11131432356
12121332366
13111332386
14111232397
15101231407
16101131417
1791030428
1891030438
198929449
208929459
2178284610
2278274711
2367274812
2467264913
2556265013
2646255114
2745245215
2835245315
2934235515
3024225715
3124215815

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 min at the start of May to 12 h 36 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 6:27 AM to 6:21 AM, and sunset from 6:52 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:276:52
212.46:276:52
312.46:266:52
412.46:266:53
512.56:266:53
612.56:256:53
712.56:256:53
812.56:256:53
912.56:246:54
1012.56:246:54
1112.56:246:54
1212.56:236:54
1312.56:236:54
1412.56:236:55
1512.56:236:55
1612.56:226:55
1712.66:226:55
1812.66:226:56
1912.66:226:56
2012.66:226:56
2112.66:216:56
2212.66:216:57
2312.66:216:57
2412.66:216:57
2512.66:216:57
2612.66:216:58
2712.66:216:58
2812.66:216:58
2912.66:216:58
3012.66:216:59
3112.66:216:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.31 kWh/m².

For context, solar energy here swings from a low near 5.09 kWh/m² to a high of 7.06 kWh/m² in March across the year — May's 6.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Hazard calendar for Er Roseires

In seasonPeak

None of Er Roseires's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Er Roseires's rainy season runs June–September, when most of the year's rain falls.

Er Roseires sees seasonal dust haze (April), heaviest in April.

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

Is May a good time to visit Er Roseires?

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

0.9
Sightseeing
10th-best month of the year
3.5
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Er Roseires.

What to pack for Er Roseires in May

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

In May, Er Roseires sees daytime highs around 38°C and nights near 27°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Er Roseires in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Er Roseires peaks around March 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 19UV 13Dec 11UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May10Extreme
Jun11Extreme
Jul10Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Er Roseires 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 Er Roseires is worst in March — around 30 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (August, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1829 µg/m³Aug 2314 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar30Moderate
Apr27Moderate
May15Moderate
Jun19Moderate
Jul18Moderate
Aug14Moderate
Sep14Moderate
Oct16Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Er Roseires?

Er Roseires sits at 11.9°N, 34.4°E, 472 m above sea level, in Sudan. The nearest listed city is Ad-Damazin, 9.0 km away.

SingaAd-DindarAs SūkīAl ḨawātahUmm ShawkahMaiurnoĀsosa

Topography around Er Roseires

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

Within 3 km, the terrain around Er Roseires has only modest variations in elevation — a maximum elevation change of 41 m around an average of 467 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, large variations in elevation — a maximum elevation change of 789 m.

The land around Er Roseires is covered by grassland (52%) and cropland (21%) within 3 km, grassland (55%) and cropland (23%) within 16 km, and grassland (54%) and cropland (25%) within 80 km.

3 km
41 m
16 km
83 m
80 km
789 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Ad-Damazin 9.0 km · Singa 151 km · Ad-Dindar 166 km · As Sūkī 170 km · Al Ḩawātah 175 km · Umm Shawkah 175 km · Maiurno 189 km · Āsosa 201 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 Er Roseires (11.8659°, 34.3869°, elevation 472 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).