Kassala weather in May

In May, Kassala sees average daytime highs of 40°C and overnight lows near 27°C, with 7 mm of rain across 1.7 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 40°C through the month. The sky is clear or mostly clear about 77% 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 48 min by month's end. Set against the rest of the year, May is Kassala's 8th-clearest and 11th-windiest month. For the whole year in context, see Kassala's year-round climate.

Daytime high
40°
1st warmest
Overnight low
27°
12th coldest
Rainfall
7 mm
1.7 wet days
Daylight
12 h 42 min
6:09 AM – 6:52 PM
Cloud cover
26%
8th clearest
Wind
11 km/h
11th windiest
Solar energy
7.12 kWh/m²
Travel score
0.0
out of 10

Kassala is capital of the state of Kassala in Sudan.

Founded
1840

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 40°C through the month.

A typical May day in Kassala reaches about 40°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 38°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
34027
44027
54027
64027
74027
84027
94027
104027
114027
124027
134027
144027
154027
164027
174027
184027
194027
204027
214027
224027
234027
244027
254027
264027
274027
284027
294027
304027
314027

How May really feels in Kassala

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
31 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.

Kassala weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 18°00.111.24.9
Feb35° / 19°0011.53.7
Mar37° / 21°0011.92.0
Apr40° / 25°10.412.30.3
May40° / 27°71.712.70.0
Jun39° / 27°102.812.90.8
Jul35° / 25°6112.212.82.4
Aug33° / 24°721312.53.2
Sep36° / 25°246.412.12.3
Oct37° / 25°51.511.61.7
Nov36° / 23°10.111.32.6
Dec34° / 19°0011.14.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 11%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3919
4919
5919
69010
79010
89010
99010
109010
119010
128911
138911
148911
158812
168713
178713
188713
198713
208713
218713
228713
238713
248713
258812
268812
278812
288812
298911
308911
318911

Chance of precipitation in May

Any precipitation

Kassala gets around 7 mm of rain over 1.7 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 5% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
43
53
63
73
83
93
104
114
124
135
145
155
166
176
186
197
207
217
227
237
247
257
267
277
287
297
307
317

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17617700
27617700
37518700
47418800
57219810
67219810
77120810
87020910
96921910
106921910
116822910
126722920
136722920
146423931
156423931
166323941
176224941
186124951
1959251051
2058251061
2156261161
2256261161
2354261271
2452271371
2552271371
2650271481
2749281581
2848281681
2946291681
3045291771
3144301971

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 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:15 AM to 6:07 AM, and sunset from 6:48 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:156:48
212.66:156:48
312.66:146:48
412.66:146:49
512.66:136:49
612.66:136:49
712.66:126:50
812.66:126:50
912.66:126:50
1012.76:116:50
1112.76:116:51
1212.76:106:51
1312.76:106:51
1412.76:106:52
1512.76:096:52
1612.76:096:52
1712.76:096:52
1812.76:096:53
1912.76:086:53
2012.86:086:53
2112.86:086:54
2212.86:086:54
2312.86:076:54
2412.86:076:55
2512.86:076:55
2612.86:076:55
2712.86:076:56
2812.86:076:56
2912.86:076:56
3012.86:076:57
3112.86:076:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.12 kWh/m².

For context, solar energy here swings from a low near 5.46 kWh/m² to a high of 7.4 kWh/m² in April across the year — May's 7.12 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.2Intense
127.2Intense
137.2Intense
147.2Intense
157.2Intense
167.1Intense
177.1Intense
187.1Intense
197.1Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in May

Hazard calendar for Kassala

In seasonPeak

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

Kassala sees seasonal dust haze (June–August), heaviest in July.

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

Is May a good time to visit Kassala?

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

0.0
Sightseeing
12th-best month of the year
3.0
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Kassala.

What to pack for Kassala in May

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

In May, Kassala sees daytime highs around 40°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Kassala in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

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

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highApr 12UV 13Dec 13UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr14Extreme
May11Extreme
Jun11Extreme
Jul9Very high
Aug10Very high
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Kassala 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 Kassala is worst in March — around 29 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1629 µg/m³Oct 2116 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar29Moderate
Apr25Moderate
May23Moderate
Jun21Moderate
Jul19Moderate
Aug18Moderate
Sep17Moderate
Oct16Moderate
Nov16Moderate
Dec18Moderate
Location & terrain

Where is Kassala?

Kassala sits at 15.5°N, 36.4°E, 507 m above sea level, in Sudan. The nearest listed city is Khashm al Qirbah, 75 km away.

HimoraAl-FashaqahBarentuAdebayeAbalaMay Cadera

Topography around Kassala

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

Within 3 km, the terrain around Kassala has only modest variations in elevation — a maximum elevation change of 223 m around an average of 509 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 709 m; within 80 km, large variations in elevation — a maximum elevation change of 986 m.

The land around Kassala is covered by artificial surfaces (35%) and bare terrain (31%) within 3 km, grassland (57%) and bare terrain (25%) within 16 km, and grassland (57%) and bare terrain (31%) within 80 km.

3 km
223 m
16 km
709 m
80 km
986 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Khashm al Qirbah 75 km · New Halfa 87 km · Himora 129 km · Al-Fashaqah 130 km · Barentu 133 km · Adebaye 144 km · Abala 150 km · May Cadera 154 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 Kassala (15.451°, 36.4°, elevation 507 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).