Mandeni weather in May

In May, Mandeni sees average daytime highs of 24°C and overnight lows near 18°C, with 58 mm of rain across 7.1 wet days and about 10.6 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 68% of the time in May, and the air most often feels humid.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 18 min by month's end. Set against the rest of the year, May is Mandeni's 3rd-clearest and 11th-windiest month. For the whole year in context, see Mandeni's year-round climate.

Daytime high
24°
7th warmest
Overnight low
18°
5th coldest
Rainfall
58 mm
7.1 wet days
Daylight
10 h 30 min
6:34 AM – 5:07 PM
Cloud cover
30%
3rd clearest
Wind
15 km/h
11th windiest
Solar energy
3.54 kWh/m²
Travel score
8.0
out of 10

Mandeni is town in KwaZulu-Natal, South Africa.

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 24°C through the month.

A typical May day in Mandeni reaches about 24°C in the afternoon and slips back to 18°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 27°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12519
22519
32519
42419
52419
62419
72419
82419
92419
102419
112419
122419
132418
142418
152418
162418
172418
182418
192418
202418
212418
222418
232418
242418
252417
262317
272317
282317
292317
302317
312317

Mandeni weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 23°10213.113.76.1
Feb27° / 23°9112136.1
Mar27° / 22°9111.512.26.6
Apr25° / 20°8210.211.37.1
May24° / 18°587.110.68.0
Jun23° / 16°365.810.28.1
Jul22° / 15°547.110.37.8
Aug22° / 16°397.2117.7
Sep23° / 18°649.211.87.2
Oct24° / 19°9013.212.76.5
Nov25° / 20°9913.313.56.3
Dec26° / 21°8812.913.86.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27723
37723
47822
57921
67921
78020
88020
98020
108020
118119
128020
138020
148119
158119
168119
178020
188020
198119
208020
218020
228020
238020
248020
258218
268218
278218
288317
298317
308416
318416

Chance of precipitation in May

Any precipitation

Mandeni gets around 58 mm of rain over 7.1 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 23% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
327
427
527
626
726
825
925
1025
1125
1224
1324
1424
1523
1623
1722
1822
1922
2022
2121
2221
2321
2421
2520
2620
2720
2820
2920
3020
3120

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14195027
24195225
35205124
45205322
55215321
65225419
75235418
84245517
94255615
104265614
114275613
124275712
135285710
14529579
15529588
16630577
17730576
18831565
19932554
201033534
211134523
221235503
231436472
241637452
251738432
261939402
272140371
282341351
292542321
302743291
312944261

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 6:25 AM to 6:43 AM, and sunset from 5:18 PM to 5:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:255:18
210.96:255:17
310.86:265:17
410.86:275:16
510.86:275:15
610.86:285:14
710.76:285:13
810.76:295:13
910.76:305:12
1010.76:305:11
1110.76:315:10
1210.66:325:10
1310.66:325:09
1410.66:335:08
1510.66:345:08
1610.56:345:07
1710.56:355:06
1810.56:355:06
1910.56:365:05
2010.56:375:05
2110.56:375:04
2210.46:385:04
2310.46:385:03
2410.46:395:03
2510.46:405:02
2610.46:405:02
2710.36:415:02
2810.36:415:01
2910.36:425:01
3010.36:425:01
3110.36:435:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.54 kWh/m².

For context, solar energy here swings from a low near 3.15 kWh/m² to a high of 6.08 kWh/m² in January across the year — May's 3.54 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.3Moderate
Planning a trip in May

Hazard calendar for Mandeni

In seasonPeak

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

Mandeni sits in the South Indian Ocean cyclone belt; the season peaks January–March.

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

Is May a good time to visit Mandeni?

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

8.0
Sightseeing
2nd-best month of the year
6.7
Beach & pool
1st-best month of the year

May is one of the better times to visit Mandeni for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mandeni in May

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

In May, Mandeni sees daytime highs around 24°C and nights near 18°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near Mandeni in May

The nearest coast averages about 23°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 21 km away) is warmest in February at about 26°C and coldest in August near 21°C.

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

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb26Warm
Mar25Warm
Apr24Warm
May23Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Refreshing

UV index in Mandeni in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mandeni peaks around January 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highVery highExtremeJan 19UV 12Jun 22UV 4
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar10Extreme
Apr6High
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep6High
Oct10Extreme
Nov10Very high
Dec12Extreme

Air quality in Mandeni 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 Mandeni is worst in July — around 43 µg/m³ PM2.5 (poor), about 5.5× the cleanest month (January, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodJul 1442 µg/m³Jan 198 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar13Moderate
Apr20Moderate
May33Moderate
Jun40Poor
Jul43Poor
Aug35Poor
Sep29Moderate
Oct18Moderate
Nov14Moderate
Dec11Good
Location & terrain

Where is Mandeni?

Mandeni sits at 29.1°S, 31.4°E, 88 m above sea level, in South Africa. The nearest listed city is KwaDukuza, 24 km away.

Topography around Mandeni

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

Within 3 km, the terrain around Mandeni has only modest variations in elevation — a maximum elevation change of 213 m around an average of 90 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 593 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,667 m.

The land around Mandeni is covered by trees (56%) within 3 km, grassland (37%) and trees (35%) within 16 km, and trees (34%), water (26%) and grassland (25%) within 80 km.

3 km
213 m
16 km
593 m
80 km
1,667 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: KwaDukuza 24 km · Eshowe 29 km · Shakaskraal 39 km · Ballitoville 48 km · Tongaat 56 km · eSikhaleni 56 km · Empangeni 63 km · Richards Bay 73 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 2%

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 Mandeni (-29.1469°, 31.414°, elevation 88 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).