Folweni weather in May

In May, Folweni sees average daytime highs of 25°C and overnight lows near 15°C, with 38 mm of rain across 5.1 wet days and about 10.5 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 62% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 12 min by month's end. Set against the rest of the year, May is Folweni's 3rd-clearest and 12th-windiest month. For the whole year in context, see Folweni's year-round climate.

Daytime high
25°
6th warmest
Overnight low
15°
4th coldest
Rainfall
38 mm
5.1 wet days
Daylight
10 h 30 min
6:38 AM – 5:08 PM
Cloud cover
34%
3rd clearest
Wind
10 km/h
12th windiest
Solar energy
3.54 kWh/m²
Travel score
8.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical May day in Folweni reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°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)
12516
22516
32516
42516
52516
62515
72515
82515
92515
102515
112515
122515
132515
142515
152515
162515
172515
182515
192514
202414
212414
222414
232414
242414
252414
262414
272413
282413
292413
302413
312413

Folweni weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°9714.113.75.8
Feb27° / 21°8911.913.15.9
Mar27° / 20°9312.212.26.3
Apr25° / 17°728.411.37.2
May25° / 15°385.110.58.2
Jun23° / 12°263.810.18.5
Jul23° / 12°364.210.38.4
Aug23° / 13°335.510.98.0
Sep23° / 15°588.511.87.2
Oct23° / 16°9312.712.76.4
Nov24° / 17°10213.813.56.1
Dec26° / 19°10014.113.95.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27228
37228
47426
57426
67426
77525
87525
97525
107624
117624
127624
137525
147624
157624
167624
177525
187525
197525
207525
217525
227723
237723
247723
257921
267921
277921
288020
298119
308119
318119

Chance of precipitation in May

Any precipitation

Folweni gets around 38 mm of rain over 5.1 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 16% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
122
222
322
421
521
621
720
820
919
1019
1118
1218
1317
1416
1516
1615
1715
1815
1914
2014
2114
2214
2313
2413
2513
2612
2712
2812
2912
3012
3112

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 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11838386
21939375
32040364
42141343
52242332
62343322
72444301
82545291
92645271
102746261
112946241
123047231
133147211
143347200
153447180
163647170
173846150
184046140
194344130
204543120
214842100
22514090
23533980
24563770
25593560
26613360
27643150
28672940
29692740
30722530
31732430

Wind in May

Winds average 10 km/h in May, the calmest month.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over May. Sunrise moves from 6:28 AM to 6:47 AM, and sunset from 5:20 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:285:20
210.86:295:19
310.86:305:18
410.86:305:17
510.86:315:16
610.76:325:15
710.76:325:14
810.76:335:14
910.76:345:13
1010.66:345:12
1110.66:355:11
1210.66:365:11
1310.66:365:10
1410.56:375:09
1510.56:375:09
1610.56:385:08
1710.56:395:07
1810.56:395:07
1910.46:405:06
2010.46:415:06
2110.46:415:05
2210.46:425:05
2310.46:435:04
2410.36:435:04
2510.36:445:03
2610.36:445:03
2710.36:455:02
2810.36:465:02
2910.36:465:02
3010.26:475:01
3110.26:475:01

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 3.16 kWh/m² to a high of 5.66 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
33.7Moderate
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
213.5Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.3Moderate
Planning a trip in May

Hazard calendar for Folweni

In seasonPeak

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

Folweni 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 Folweni?

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

8.2
Sightseeing
3rd-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Folweni in May

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

In May, Folweni sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes. About 5 days see rain.

light clothes

Sea temperature near Folweni in May

The nearest coast averages about 24°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 16 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
Mar26Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Folweni 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 Folweni peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighExtremeJan 16UV 13Jun 23UV 4
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr5High
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep5High
Oct10Extreme
Nov10Very high
Dec12Extreme

Air quality in Folweni 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 Folweni is worst in July — around 148 µg/m³ PM2.5 (unhealthy), about 6.1× the cleanest month (January, 24 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 11147 µg/m³Jan 1625 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb31Moderate
Mar50Poor
Apr77Unhealthy
May126Unhealthy
Jun144Unhealthy
Jul148Unhealthy
Aug116Unhealthy
Sep88Unhealthy
Oct57Unhealthy
Nov41Poor
Dec30Moderate
Location & terrain

Where is Folweni?

Folweni sits at 30.0°S, 30.8°E, 318 m above sea level, in South Africa. The nearest listed city is Pinetown, 21 km away.

Topography around Folweni

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

Within 3 km, the terrain around Folweni has significant variations in elevation — a maximum elevation change of 313 m around an average of 261 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 737 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,631 m.

The land around Folweni is covered by grassland (39%), trees (36%) and artificial surfaces (21%) within 3 km, trees (44%) and grassland (28%) within 16 km, and trees (36%), water (28%) and grassland (24%) within 80 km.

3 km
313 m
16 km
737 m
80 km
1,631 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Pinetown 21 km · eMkhomazi 23 km · Mpumalanga 26 km · Durban 26 km · Ntuzuma 32 km · Scottburgh 33 km · eMuziwezinto 38 km · Richmond 53 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 Folweni (-29.9957°, 30.8072°, elevation 318 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).