Wembesi weather in May

In May, Wembesi sees average daytime highs of 21°C and overnight lows near 7°C, with 19 mm of rain across 3.8 wet days and about 10.6 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 69% 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 18 min by month's end. Set against the rest of the year, May is Wembesi's 4th-clearest and 11th-windiest month. For the whole year in context, see Wembesi's year-round climate.

Daytime high
21°
9th warmest
Overnight low
4th coldest
Rainfall
19 mm
3.8 wet days
Daylight
10 h 36 min
6:41 AM – 5:14 PM
Cloud cover
29%
4th clearest
Wind
5 km/h
11th windiest
Solar energy
3.96 kWh/m²
Travel score
7.9
out of 10

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 19°C by the end.

A typical May day in Wembesi reaches about 21°C in the afternoon and slips back to 7°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, May runs about 2°C cooler than April and about 3°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1229
2229
3228
4228
5218
6218
7218
8218
9218
10217
11217
12217
13217
14217
15217
16217
17216
18216
19216
20206
21206
22206
23206
24205
25205
26205
27205
28205
29195
30194
31194

Wembesi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°15919.613.65.2
Feb26° / 16°13516.4135.5
Mar25° / 14°10814.812.26.2
Apr23° / 11°55911.37.2
May21° / 193.810.67.9
Jun18° / 132.610.27.7
Jul18° / 152.510.37.7
Aug20° / 233.9117.9
Sep23° / 305.911.87.8
Oct24° / 11°8113.612.76.5
Nov25° / 13°10616.413.55.7
Dec26° / 15°15019.913.85.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% 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 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27723
37822
47921
57921
67921
78020
88020
97921
108020
118020
128020
138020
148020
158020
168020
178020
188020
198020
208020
218119
228119
238218
248317
258317
268515
278515
288614
298614
308713
318713

Chance of precipitation in May

Any precipitation

Wembesi gets around 19 mm of rain over 3.8 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 13% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
119
218
318
417
517
616
716
815
915
1014
1114
1213
1313
1412
1512
1612
1711
1811
1911
2011
2110
2210
2310
2410
259
269
279
289
299
309
319

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
41000
51000
61000
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 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:31 AM to 6:49 AM, and sunset from 5:25 PM to 5:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:315:25
210.96:325:24
310.86:325:23
410.86:335:22
510.86:345:22
610.86:345:21
710.86:355:20
810.76:355:19
910.76:365:18
1010.76:375:18
1110.76:375:17
1210.66:385:16
1310.66:395:16
1410.66:395:15
1510.66:405:14
1610.66:415:14
1710.56:415:13
1810.56:425:13
1910.56:425:12
2010.56:435:11
2110.56:445:11
2210.46:445:10
2310.46:455:10
2410.46:455:10
2510.46:465:09
2610.46:475:09
2710.46:475:08
2810.36:485:08
2910.36:485:08
3010.36:495:07
3110.36:495:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.96 kWh/m².

For context, solar energy here swings from a low near 3.58 kWh/m² to a high of 6.39 kWh/m² in December across the year — May's 3.96 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.0Bright
124.0Bright
134.0Bright
144.0Moderate
154.0Moderate
164.0Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.7Moderate
313.7Moderate
Planning a trip in May

Hazard calendar for Wembesi

In seasonPeak

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

Wembesi'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 Wembesi?

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

7.9
Sightseeing
1st-best month of the year
4.5
Beach & pool
9th-best month of the year

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

What to pack for Wembesi in May

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

In May, Wembesi sees daytime highs around 21°C and nights near 7°C. Worth packing: a warm layer. About 4 days see rain.

a warm layer

UV index in Wembesi 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 Wembesi peaks around January 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 15UV 15Jun 23UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr7Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct11Extreme
Nov11Extreme
Dec14Extreme

Air quality in Wembesi 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 Wembesi is worst in July — around 71 µg/m³ PM2.5 (unhealthy), about 4.3× the cleanest month (December, 17 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1769 µg/m³Dec 2317 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb21Moderate
Mar27Moderate
Apr37Poor
May51Poor
Jun57Unhealthy
Jul71Unhealthy
Aug58Unhealthy
Sep49Poor
Oct28Moderate
Nov25Moderate
Dec17Moderate
Location & terrain

Where is Wembesi?

Wembesi sits at 29.0°S, 29.8°E, 1,254 m above sea level, in South Africa. The nearest listed city is Estcourt, 9.0 km away.

Topography around Wembesi

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

Within 3 km, the terrain around Wembesi has significant variations in elevation — a maximum elevation change of 286 m around an average of 1,304 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 966 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,962 m.

The land around Wembesi is covered by grassland (71%) within 3 km, grassland (68%) within 16 km, and grassland (65%) within 80 km.

3 km
286 m
16 km
966 m
80 km
2,962 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Estcourt 9.0 km · Mooi River 27 km · Ladysmith 55 km · Howick 65 km · Mpophomeni 70 km · Greytown 79 km · Pietermaritzburg 87 km · Richmond 103 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 Wembesi (-29.0491°, 29.7823°, elevation 1,254 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).