Port Sudan weather in May

In May, Port Sudan sees average daytime highs of 33°C and overnight lows near 26°C, with 0 mm of rain across 0.1 wet days and about 12.9 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 35°C by the end. The sky is clear or mostly clear about 88% of the time in May, and the air most often feels humid.

Daylight stretches from about 12 h 42 min at the start of May to 13 h 06 min by month's end. Set against the rest of the year, May is Port Sudan's 4th-clearest and 9th-windiest month. For the whole year in context, see Port Sudan's year-round climate.

Daytime high
33°
5th warmest
Overnight low
26°
7th coldest
Rainfall
0 mm
0.1 wet days
Daylight
12 h 54 min
6:00 AM – 6:55 PM
Cloud cover
14%
4th clearest
Wind
12 km/h
9th windiest
Solar energy
7.4 kWh/m²
Travel score
4.5
out of 10

Port Sudan is Port city on the Red Sea in Eastern Sudan.

Founded
1905

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 32°C in the first days to 35°C by the end.

A typical May day in Port Sudan reaches about 33°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53226
63226
73226
83326
93326
103326
113326
123326
133326
143326
153326
163326
173427
183427
193427
203427
213427
223427
233427
243427
253527
263527
273527
283527
293527
303528
313528

How May really feels in Port Sudan

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
heat index over the day's high
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.

Port Sudan weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 21°185.410.97.6
Feb26° / 21°51.911.38.4
Mar28° / 21°20.411.98.6
Apr30° / 24°30.412.46.7
May33° / 26°00.112.94.5
Jun36° / 28°0013.22.5
Jul38° / 30°41.413.11.1
Aug38° / 31°41.312.71.1
Sep36° / 29°10.312.12.8
Oct32° / 27°143.911.54.8
Nov29° / 25°4212.511.15.5
Dec26° / 22°4111.910.86.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 88% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 5% of May, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1964
2964
3964
4955
5946
6946
7946
8946
9946
10937
11937
12937
13937
14937
15937
16928
17928
18928
19928
20928
21928
22937
23937
24946
25946
26955
27955
28955
29955
30964
31964

Chance of precipitation in May

Any precipitation

Port Sudan gets around 0 mm of rain over 0.1 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
50
60
70
80
90
100
110
120
130
140
151
161
171
181
191
201
211
221
231
241
251
260
270
280
290
300
310

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
141821222510
241821212510
341822212410
441823202411
541824202311
641826202211
741827192111
841828192011
941830191911
1041831191811
1141832191711
1231833191610
1331735191510
1431736201510
153173620149
162173721149
172173821148
182173822138
192173822138
202173823138
212173923137
222173923127
232164024127
241164124116
251164124116
261164224106
271164324105
28116442495
29116462484
30116462584
31116472573

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 42 min at the start of May to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 6:07 AM to 5:56 AM, and sunset from 6:49 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:076:49
212.76:076:50
312.76:066:50
412.86:056:51
512.86:056:51
612.86:046:51
712.86:046:52
812.86:036:52
912.86:036:52
1012.86:026:53
1112.96:026:53
1212.96:016:54
1312.96:016:54
1412.96:006:54
1512.96:006:55
1612.96:006:55
1712.95:596:56
1813.05:596:56
1913.05:596:56
2013.05:586:57
2113.05:586:57
2213.05:586:58
2313.05:576:58
2413.05:576:58
2513.05:576:59
2613.05:576:59
2713.15:577:00
2813.15:567:00
2913.15:567:00
3013.15:567:01
3113.15:567:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.4 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 7.4 kWh/m² in May across the year — May's 7.4 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.4Intense
187.4Intense
197.4Intense
207.4Intense
217.4Intense
227.4Intense
237.4Intense
247.4Intense
257.4Intense
267.4Intense
277.4Intense
287.4Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in May

Hazard calendar for Port Sudan

In seasonPeak

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

Port Sudan sees seasonal dust haze (May–September), heaviest in July.

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

Is May a good time to visit Port Sudan?

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

4.5
Sightseeing
8th-best month of the year
8.1
Beach & pool
3rd-best month of the year

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

What to pack for Port Sudan in May

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

In May, Port Sudan sees daytime highs around 33°C and nights near 26°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Port Sudan in May

The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in August at about 31°C and coldest in February near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb25Warm
Mar26Warm
Apr27Warm
May29Tropical
Jun30Tropical
Jul31Tropical
Aug31Tropical
Sep31Tropical
Oct31Tropical
Nov29Tropical
Dec27Warm

UV index in Port Sudan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Port Sudan peaks around April 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighApr 20UV 12Dec 13UV 6
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul8Very high
Aug9Very high
Sep9Very high
Oct9Very high
Nov7High
Dec6High

Air quality in Port Sudan 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 Port Sudan is worst in July — around 36 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateJul 2335 µg/m³Oct 1117 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb27Moderate
Mar28Moderate
Apr26Moderate
May21Moderate
Jun27Moderate
Jul36Poor
Aug35Moderate
Sep17Moderate
Oct17Moderate
Nov20Moderate
Dec25Moderate
Location & terrain

Where is Port Sudan?

Port Sudan sits at 19.6°N, 37.2°E, 10 m above sea level, in Sudan. The nearest listed city is Suakin, 58 km away.

TokārJeddahHala'ib

Topography around Port Sudan

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

Within 3 km, the terrain around Port Sudan has only modest variations in elevation — a maximum elevation change of 12 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,726 m.

The land around Port Sudan is covered by artificial surfaces (55%) and bare terrain (29%) within 3 km, bare terrain (56%) and water (35%) within 16 km, and bare terrain (63%) and water (37%) within 80 km.

3 km
12 m
16 km
241 m
80 km
1,726 m
shrubsartificial surfacesbare terrainwater
May weather nearby: Suakin 58 km · Jubayt 84 km · Sinkat 95 km · Tokār 143 km · Jeddah 292 km · Hala'ib 296 km · Al Līth 325 km · Mecca 338 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 Port Sudan (19.6175°, 37.2164°, elevation 10 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).