Driefontein weather in May

In May, Driefontein sees average daytime highs of 20°C and overnight lows near 7°C, with 17 mm of rain across 3.1 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 20°C by the end. The sky is clear or mostly clear about 74% 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 Driefontein's 4th-clearest and 8th-windiest month. For the whole year in context, see Driefontein's year-round climate.

Daytime high
20°
10th warmest
Overnight low
4th coldest
Rainfall
17 mm
3.1 wet days
Daylight
10 h 42 min
6:34 AM – 5:15 PM
Cloud cover
25%
4th clearest
Wind
8 km/h
8th windiest
Solar energy
4.14 kWh/m²
Travel score
8.0
out of 10

Driefontein is human settlement in 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

Highs ease over the month, from about 21°C in the first days to 20°C by the end.

A typical May day in Driefontein reaches about 20°C in the afternoon and slips back to 7°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 16°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)
1219
2219
3219
4219
5219
6219
7218
8218
9218
10218
11218
12218
13218
14218
15217
16207
17207
18207
19207
20207
21207
22207
23206
24206
25206
26206
27206
28206
29206
30206
31195

Driefontein weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 15°14718.813.55.5
Feb25° / 15°11414.6136.0
Mar24° / 14°10413.412.26.6
Apr22° / 11°488.111.47.2
May20° / 173.110.78.0
Jun19° / 102.110.37.9
Jul19° / 111.910.57.9
Aug21° / 193.7118.1
Sep24° / 10°387.111.87.8
Oct24° / 11°10414.712.66.3
Nov24° / 13°1391813.35.6
Dec25° / 14°17020.213.75.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% 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 16%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28119
38218
48218
58317
68416
78416
88515
98515
108416
118416
128515
138515
148416
158416
168416
178416
188416
198317
208317
218317
228416
238515
248515
258515
268614
278614
288614
298614
308614
318713

Chance of precipitation in May

Any precipitation

Driefontein gets around 17 mm of rain over 3.1 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 10% and peaks near 16% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
116
216
315
414
514
614
713
813
912
1012
1112
1211
1311
1411
1511
1610
1710
1810
199
209
219
228
238
248
257
267
277
287
297
307
317

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 (%)
1973
2973
3982
4982
5991
6991
7991
8991
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 9 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
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:26 AM to 6:42 AM, and sunset from 5:25 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:265:25
211.06:265:24
310.96:275:24
410.96:275:23
510.96:285:22
610.96:295:21
710.96:295:21
810.86:305:20
910.86:305:19
1010.86:315:18
1110.86:315:18
1210.86:325:17
1310.76:335:17
1410.76:335:16
1510.76:345:15
1610.76:345:15
1710.76:355:14
1810.66:355:14
1910.66:365:13
2010.66:365:13
2110.66:375:12
2210.66:385:12
2310.66:385:11
2410.56:395:11
2510.56:395:11
2610.56:405:10
2710.56:405:10
2810.56:415:10
2910.56:415:09
3010.56:425:09
3110.46:425:09

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.14 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6.2 kWh/m² in December across the year — May's 4.14 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.0Bright
274.0Moderate
284.0Moderate
294.0Moderate
303.9Moderate
313.9Moderate
Planning a trip in May

Hazard calendar for Driefontein

In seasonPeak

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

Driefontein'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 Driefontein?

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
4.5
Beach & pool
10th-best month of the year

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

What to pack for Driefontein in May

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

In May, Driefontein sees daytime highs around 20°C and nights near 7°C. Worth packing: a warm layer. About 3 days see rain.

a warm layer

UV index in Driefontein 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 Driefontein peaks around January 15 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 15UV 14Jun 21UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7Very high
Sep9Very high
Oct10Very high
Nov11Extreme
Dec14Extreme

Air quality in Driefontein 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 Driefontein is worst in May — around 56 µg/m³ PM2.5 (unhealthy), about 3.0× the cleanest month (December, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateModerateMay 1754 µg/m³Dec 2319 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar26Moderate
Apr38Poor
May56Unhealthy
Jun38Poor
Jul36Poor
Aug30Moderate
Sep33Moderate
Oct28Moderate
Nov40Poor
Dec19Moderate
Location & terrain

Where is Driefontein?

Driefontein sits at 27.0°S, 30.4°E, 1,405 m above sea level, in South Africa. The nearest listed city is Piet Retief, 38 km away.

Topography around Driefontein

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

Within 3 km, the terrain around Driefontein has only modest variations in elevation — a maximum elevation change of 137 m around an average of 1,360 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 508 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,763 m.

The land around Driefontein is covered by grassland (55%) and cropland (35%) within 3 km, grassland (44%), trees (28%) and cropland (20%) within 16 km, and grassland (64%) within 80 km.

3 km
137 m
16 km
508 m
80 km
1,763 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Piet Retief 38 km · Daggakraal 49 km · Ermelo 66 km · Frischgewaagd 70 km · Volksrust 71 km · Fernie 73 km · Empuluzu 81 km · Breyten 86 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 Driefontein (-26.965°, 30.4357°, elevation 1,405 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).