Bor weather in May

In May, Bor sees average daytime highs of 33°C and overnight lows near 25°C, with 126 mm of rain across 17.9 wet days and about 12.3 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is Bor's 10th-clearest and 7th-windiest month. For the whole year in context, see Bor's year-round climate.

Daytime high
33°
6th warmest
Overnight low
25°
9th coldest
Rainfall
126 mm
17.9 wet days
Daylight
12 h 18 min
6:42 AM – 6:58 PM
Cloud cover
68%
10th clearest
Wind
7 km/h
7th windiest
Solar energy
5.5 kWh/m²
Travel score
3.0
out of 10

Bor is city in 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 34°C in the first days to 32°C by the end.

A typical May day in Bor reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°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)
13425
23425
33425
43425
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203325
213225
223225
233224
243224
253224
263224
273224
283224
293224
303224
313224

How May really feels in Bor

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.

Bor weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan36° / 25°30.611.72.3
Feb38° / 26°41.311.81.4
Mar38° / 27°234.6121.3
Apr35° / 26°6511.912.12.1
May33° / 25°12617.912.33.0
Jun31° / 24°12218.512.43.6
Jul30° / 23°14121.512.33.7
Aug30° / 23°14021.512.23.7
Sep31° / 23°12117123.9
Oct31° / 23°13518.911.93.5
Nov33° / 24°449.511.73.6
Dec35° / 24°71.511.63.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33466
43367
53466
63565
73565
83565
93565
103664
113664
123763
133763
143763
153961
163961
174060
184060
194159
204159
214258
224258
234258
244357
254357
264357
274357
284357
294258
304357
314357

Chance of precipitation in May

Any precipitation

Bor gets around 126 mm of rain over 17.9 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 57% and peaks near 58% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
251
352
453
554
655
756
857
957
1058
1158
1258
1358
1458
1558
1658
1758
1858
1958
2058
2158
2258
2358
2458
2558
2658
2758
2858
2958
3058
3158

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
142967
232869
332770
422573
522474
622375
712277
812079
911980
1011881
1111881
1211782
1311683
1411683
1511683
1611683
1711584
1811584
1911584
2011584
2111584
2211584
2311485
2411485
2511485
2611386
2711386
2811386
2901288
3001288
3101288

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 18 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 6:45 AM to 6:41 AM, and sunset from 6:57 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:456:57
212.26:446:57
312.26:446:57
412.26:446:57
512.26:436:58
612.26:436:58
712.26:436:58
812.26:436:58
912.36:436:58
1012.36:426:58
1112.36:426:58
1212.36:426:58
1312.36:426:58
1412.36:426:58
1512.36:426:58
1612.36:426:58
1712.36:416:59
1812.36:416:59
1912.36:416:59
2012.36:416:59
2112.36:416:59
2212.36:416:59
2312.36:417:00
2412.36:417:00
2512.36:417:00
2612.36:417:00
2712.36:417:00
2812.36:417:00
2912.36:417:01
3012.36:417:01
3112.36:417:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.5 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 6.17 kWh/m² in February across the year — May's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Bor

In seasonPeak

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

Bor's rainy season runs April–October, when most of the year's rain falls.

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

Is May a good time to visit Bor?

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

3.0
Sightseeing
8th-best month of the year
5.1
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Bor.

What to pack for Bor in May

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

In May, Bor sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Bor 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 Bor peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 15UV 14Dec 13UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar14Extreme
Apr11Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct13Extreme
Nov9Very high
Dec9Very high

Air quality in Bor 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 Bor is worst in December — around 82 µg/m³ PM2.5 (unhealthy), about 8.3× the cleanest month (May, 10 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModerateGoodModerateUnhealthyDec 2482 µg/m³May 1410 µg/m³
PM2.5 (µg/m³)Level
Jan81Unhealthy
Feb50Poor
Mar23Moderate
Apr14Moderate
May10Good
Jun16Moderate
Jul17Moderate
Aug13Moderate
Sep12Good
Oct11Good
Nov24Moderate
Dec82Unhealthy
Location & terrain

Where is Bor?

Bor sits at 6.2°N, 31.6°E, 429 m above sea level, in South Sudan. The nearest listed city is Juba, 151 km away.

JubaRumbekToritYeiPajokLeerMoyoYumbe

Topography around Bor

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

Within 3 km, the terrain around Bor has only modest variations in elevation — a maximum elevation change of 8 m around an average of 424 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 18 m; within 80 km, significant variations in elevation — a maximum elevation change of 283 m.

The land around Bor is covered by wetland (56%) and grassland (29%) within 3 km, wetland (57%) and grassland (29%) within 16 km, and grassland (60%) and wetland (22%) within 80 km.

3 km
8 m
16 km
18 m
80 km
283 m
treesshrubsgrasslandartificial surfaceswetland
May weather nearby: Juba 151 km · Rumbek 218 km · Torit 229 km · Yei 255 km · Pajok 280 km · Leer 281 km · Moyo 284 km · Yumbe 307 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 Bor (6.2089°, 31.5586°, elevation 429 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).