Standerton weather in May

In May, Standerton sees average daytime highs of 21°C and overnight lows near 6°C, with 15 mm of rain across 2.5 wet days and about 10.7 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 19°C by the end. The sky is clear or mostly clear about 75% 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 24 min by month's end. Set against the rest of the year, May is Standerton's 4th-clearest and 10th-windiest month. For the whole year in context, see Standerton's year-round climate.

Daytime high
21°
10th warmest
Overnight low
4th coldest
Rainfall
15 mm
2.5 wet days
Daylight
10 h 42 min
6:39 AM – 5:20 PM
Cloud cover
24%
4th clearest
Wind
10 km/h
10th windiest
Solar energy
4.24 kWh/m²
Travel score
8.2
out of 10

Standerton is town in South Africa.

Founded
1878

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 19°C by the end.

A typical May day in Standerton reaches about 21°C in the afternoon and slips back to 6°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°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)
1228
2228
3228
4228
5228
6218
7218
8217
9217
10217
11217
12217
13217
14217
15216
16216
17216
18216
19206
20206
21206
22206
23205
24205
25205
26205
27205
28205
29205
30194
31194

How May really feels in Standerton

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Standerton 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
Jan26° / 15°12416.213.55.9
Feb26° / 15°9112.4136.3
Mar25° / 14°8110.812.27.0
Apr23° / 10°406.711.47.6
May21° / 152.510.78.2
Jun18° / 81.210.38.0
Jul18° / 70.910.58.0
Aug21° / 132.2118.4
Sep24° / 10°233.911.88.5
Oct25° / 12°9110.512.67.1
Nov25° / 13°11414.813.36.1
Dec26° / 15°1501813.75.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% 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 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38317
48416
58416
68515
78515
88515
98515
108614
118614
128515
138515
148515
158515
168515
178515
188515
198515
208515
218515
228614
238614
248614
258614
268812
278812
288812
298911
308911
318911

Chance of precipitation in May

Any precipitation

Standerton gets around 15 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
213
312
412
511
611
711
810
910
109
119
129
138
148
158
167
177
187
197
207
216
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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 10 km/h in May.

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 11 hours at the start of May to 10 h 24 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 6:30 AM to 6:47 AM, and sunset from 5:30 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:305:30
211.06:315:29
310.96:325:28
410.96:325:28
510.96:335:27
610.96:335:26
710.96:345:25
810.86:345:25
910.86:355:24
1010.86:365:23
1110.86:365:23
1210.86:375:22
1310.76:375:21
1410.76:385:21
1510.76:385:20
1610.76:395:20
1710.76:405:19
1810.66:405:19
1910.66:415:18
2010.66:415:18
2110.66:425:17
2210.66:425:17
2310.66:435:16
2410.56:435:16
2510.56:445:16
2610.56:445:15
2710.56:455:15
2810.56:465:15
2910.56:465:14
3010.56:475:14
3110.46:475:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.24 kWh/m².

For context, solar energy here swings from a low near 3.83 kWh/m² to a high of 6.77 kWh/m² in December across the year — May's 4.24 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.0Bright
304.0Bright
314.0Bright
Planning a trip in May

Hazard calendar for Standerton

In seasonPeak

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

Standerton'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 Standerton?

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
4.7
Beach & pool
10th-best month of the year

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

What to pack for Standerton in May

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

In May, Standerton sees daytime highs around 21°C and nights near 6°C. Worth packing: a warm layer.

a warm layer

UV index in Standerton 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 Standerton peaks around January 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 21UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Standerton 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 Standerton is worst in July — around 41 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (January, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1541 µg/m³Jan 1316 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr30Moderate
May35Moderate
Jun39Poor
Jul41Poor
Aug38Poor
Sep32Moderate
Oct23Moderate
Nov18Moderate
Dec17Moderate
Location & terrain

Where is Standerton?

Standerton sits at 26.9°S, 29.2°E, 1,569 m above sea level, in South Africa. The nearest listed city is Secunda, 43 km away.

Topography around Standerton

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

Within 3 km, the terrain around Standerton has only modest variations in elevation — a maximum elevation change of 78 m around an average of 1,549 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 139 m; within 80 km, large variations in elevation — a maximum elevation change of 761 m.

The land around Standerton is covered by grassland (52%) and artificial surfaces (25%) within 3 km, cropland (48%) and grassland (45%) within 16 km, and grassland (63%) and cropland (35%) within 80 km.

3 km
78 m
16 km
139 m
80 km
761 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Secunda 43 km · eMbalenhle 48 km · Trichardt 49 km · Vrede 55 km · Bethal 57 km · Kinross 60 km · Villiers 64 km · Lebohang 69 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 Standerton (-26.9337°, 29.2415°, elevation 1,569 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).