Wau weather in May

In May, Wau sees average daytime highs of 34°C and overnight lows near 25°C, with 118 mm of rain across 19.5 wet days and about 12.3 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 33°C by the end. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels oppressive.

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 Wau's 9th-clearest and 6th-windiest month. For the whole year in context, see Wau's year-round climate.

Daytime high
34°
6th warmest
Overnight low
25°
10th coldest
Rainfall
118 mm
19.5 wet days
Daylight
12 h 24 min
6:54 AM – 7:15 PM
Cloud cover
66%
9th clearest
Wind
8 km/h
6th windiest
Solar energy
5.78 kWh/m²
Travel score
2.4
out of 10

Wau is city in northwestern South 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 35°C in the first days to 33°C by the end.

A typical May day in Wau reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13526
23526
33526
43525
53525
63525
73425
83425
93425
103425
113425
123425
133425
143425
153425
163425
173425
183425
193425
203425
213325
223325
233325
243325
253324
263324
273324
283324
293324
303324
313324

How May really feels in Wau

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.

Wau weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 23°00.211.63.0
Feb37° / 24°30.711.71.8
Mar38° / 26°204.211.91.3
Apr36° / 26°5812.712.21.7
May34° / 25°11819.512.32.4
Jun32° / 23°12720.512.43.0
Jul30° / 23°16623.512.43.3
Aug30° / 22°19224.812.33.3
Sep31° / 22°15523.2123.1
Oct32° / 23°12520.211.83.1
Nov34° / 23°173.911.63.6
Dec35° / 23°10.211.63.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33961
44060
53961
63961
74060
84060
94060
104159
114159
124060
134060
144060
154060
164159
174159
183961
193961
203862
213862
223862
233961
243961
253862
263961
273961
283961
294060
304258
314258

Chance of precipitation in May

Any precipitation

Wau gets around 118 mm of rain over 19.5 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 63% and peaks near 65% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
156
257
357
457
558
659
759
860
961
1061
1162
1263
1363
1464
1564
1665
1765
1865
1965
2065
2165
2265
2365
2465
2565
2665
2765
2865
2965
3065
3165

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 71% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11154152
21144054
31143955
41133956
50133858
60123760
70023563
80023464
90013366
100013267
110013069
120002971
130002872
140002773
150002674
160002575
170002575
180002476
190002377
200002377
210002377
220002278
230002278
240002278
250002278
260002278
270002278
280002278
290002179
300002179
310002179

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:57 AM to 6:53 AM, and sunset from 7:13 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:577:13
212.36:577:13
312.36:577:13
412.36:567:13
512.36:567:14
612.36:567:14
712.36:567:14
812.36:557:14
912.36:557:14
1012.36:557:14
1112.36:557:14
1212.36:547:14
1312.36:547:14
1412.36:547:14
1512.36:547:15
1612.46:547:15
1712.46:547:15
1812.46:547:15
1912.46:537:15
2012.46:537:15
2112.46:537:16
2212.46:537:16
2312.46:537:16
2412.46:537:16
2512.46:537:16
2612.46:537:17
2712.46:537:17
2812.46:537:17
2912.46:537:17
3012.46:537:18
3112.46:537:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.78 kWh/m².

For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 6.55 kWh/m² in February across the year — May's 5.78 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Wau

In seasonPeak

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

Wau's monsoon runs May–October, when most of the year's rain falls.

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

Is May a good time to visit Wau?

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

2.4
Sightseeing
9th-best month of the year
4.6
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Wau.

What to pack for Wau in May

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

In May, Wau sees daytime highs around 34°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Wau 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 Wau 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
Feb11Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Wau 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 Wau is worst in November — around 59 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (August, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateModerateGoodModeratePoorNov 2158 µg/m³Aug 2410 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb30Moderate
Mar37Poor
Apr22Moderate
May11Good
Jun14Moderate
Jul14Moderate
Aug10Good
Sep10Good
Oct15Moderate
Nov59Unhealthy
Dec52Poor
Location & terrain

Where is Wau?

Wau sits at 7.7°N, 28.0°E, 440 m above sea level, in South Sudan. The nearest listed city is Kuacjok, 67 km away.

TonjGogrialAweilWinejokRumbekAbyeiLeer

Topography around Wau

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

Within 3 km, the terrain around Wau has only modest variations in elevation — a maximum elevation change of 58 m around an average of 447 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 112 m; within 80 km, only modest variations in elevation — a maximum elevation change of 198 m.

The land around Wau is covered by artificial surfaces (50%) and grassland (34%) within 3 km, grassland (70%) within 16 km, and grassland (46%) and shrubs (38%) within 80 km.

3 km
58 m
16 km
112 m
80 km
198 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Kuacjok 67 km · Tonj 89 km · Gogrial 93 km · Aweil 135 km · Winejok 153 km · Rumbek 211 km · Abyei 216 km · Leer 246 km

South Sudan travel facts

Travel advisory
Level 4
Do Not Travel
Prices
≈ 6% of US
price level, 2021
GDP per capita
$1,080
2015
Happiness
2.8 / 10
World Happiness, 2019
Homicide rate
14
per 100k, 2012
Road deaths
36.7
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Christian 61%folk religion 33%Muslim 6%

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 Wau (7.7011°, 27.9897°, elevation 440 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).