Emalahleni weather in May

In May, Emalahleni sees average daytime highs of 22°C and overnight lows near 8°C, with 16 mm of rain across 2.5 wet days and about 10.8 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. 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 11 hours at the start of May to 10 h 30 min by month's end. Set against the rest of the year, May is Emalahleni's 4th-clearest and 11th-windiest month. For the whole year in context, see Emalahleni's year-round climate.

Daytime high
22°
10th warmest
Overnight low
4th coldest
Rainfall
16 mm
2.5 wet days
Daylight
10 h 42 min
6:37 AM – 5:21 PM
Cloud cover
22%
4th clearest
Wind
8 km/h
11th windiest
Solar energy
4.34 kWh/m²
Travel score
8.4
out of 10

Emalahleni is town in South Africa.

Density
2,273/km²
people per km²
Founded
1890

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 22°C in the first days to 20°C by the end.

A typical May day in Emalahleni reaches about 22°C in the afternoon and slips back to 8°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12310
22310
32310
42210
52210
6229
7229
8229
9229
10229
11229
12229
13228
14228
15228
16228
17218
18218
19218
20218
21217
22217
23217
24217
25217
26217
27217
28216
29206
30206
31206

Emalahleni weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°12415.213.45.9
Feb27° / 16°9612.112.96.2
Mar26° / 15°9411.412.26.8
Apr23° / 12°446.411.47.8
May22° / 162.510.88.4
Jun19° / 6110.48.3
Jul19° / 60.810.58.4
Aug22° / 91.711.18.8
Sep25° / 11°203.311.88.5
Oct26° / 14°7310.212.67.0
Nov26° / 15°1071413.36.1
Dec26° / 16°12316.813.65.7

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 10% of May, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28317
38416
48416
58515
68614
78614
88713
98713
108713
118713
128713
138812
148812
158713
168614
178614
188614
198614
208614
218713
228713
238812
248812
258911
268911
278911
289010
299010
309010
319010

Chance of precipitation in May

Any precipitation

Emalahleni gets around 16 mm of rain over 2.5 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 8% and peaks near 14% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
114
214
313
412
512
611
711
810
910
1010
119
129
139
148
158
168
177
187
197
207
217
226
236
246
255
265
275
285
295
305
315

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in May

Winds average 8 km/h in May.

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

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 6:29 AM to 6:45 AM, and sunset from 5:31 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:295:31
211.06:305:31
311.06:305:30
411.06:315:29
511.06:315:28
610.96:325:28
710.96:325:27
810.96:335:26
910.96:335:26
1010.96:345:25
1110.86:345:24
1210.86:355:24
1310.86:365:23
1410.86:365:23
1510.86:375:22
1610.76:375:21
1710.76:385:21
1810.76:385:20
1910.76:395:20
2010.76:395:20
2110.76:405:19
2210.66:405:19
2310.66:415:18
2410.66:415:18
2510.66:425:18
2610.66:425:17
2710.66:435:17
2810.66:435:17
2910.56:445:16
3010.56:445:16
3110.56:455:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.34 kWh/m².

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 6.64 kWh/m² in December across the year — May's 4.34 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.1Bright
314.1Bright
Planning a trip in May

Hazard calendar for Emalahleni

In seasonPeak

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

Emalahleni's rainy season runs October–March, 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 Emalahleni?

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

8.4
Sightseeing
3rd-best month of the year
5.4
Beach & pool
10th-best month of the year

May is one of the better times to visit Emalahleni for general sightseeing.

What to pack for Emalahleni in May

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

In May, Emalahleni sees daytime highs around 22°C and nights near 8°C. Little to plan around — just the basics.

UV index in Emalahleni in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Emalahleni peaks around January 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 14UV 14Jun 19UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct10Very high
Nov11Extreme
Dec14Extreme

Air quality in Emalahleni 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 Emalahleni is worst in July — around 74 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (December, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1473 µg/m³Dec 2315 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb20Moderate
Mar26Moderate
Apr41Poor
May59Unhealthy
Jun66Unhealthy
Jul74Unhealthy
Aug59Unhealthy
Sep48Poor
Oct29Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Emalahleni?

Emalahleni sits at 25.9°S, 29.2°E, 1,629 m above sea level, in South Africa. The nearest listed city is Phola, 25 km away.

Topography around Emalahleni

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

Within 3 km, the terrain around Emalahleni has only modest variations in elevation — a maximum elevation change of 185 m around an average of 1,570 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 330 m; within 80 km, large variations in elevation — a maximum elevation change of 1,049 m.

The land around Emalahleni is covered by artificial surfaces (48%) and grassland (32%) within 3 km, grassland (66%) within 16 km, and grassland (57%) and cropland (30%) within 80 km.

3 km
185 m
16 km
330 m
80 km
1,049 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Phola 25 km · Middelburg 26 km · Thubelihle 39 km · Kriel 42 km · Verena 48 km · Bronkhorstspruit 50 km · Ekangala 55 km · Hendrina 58 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 Emalahleni (-25.8713°, 29.2332°, elevation 1,629 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).