Cullinan weather in April

In April, Cullinan sees average daytime highs of 24°C and overnight lows near 12°C, with 40 mm of rain across 6.4 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 57% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is Cullinan's 6th-clearest and 12th-windiest month. For the whole year in context, see Cullinan's year-round climate.

Daytime high
24°
8th warmest
Overnight low
12°
6th coldest
Rainfall
40 mm
6.4 wet days
Daylight
11 h 24 min
6:24 AM – 5:48 PM
Cloud cover
39%
6th clearest
Wind
9 km/h
12th windiest
Solar energy
4.78 kWh/m²
Travel score
7.8
out of 10

Cullinan is town in South Africa.

Founded
1903

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical April day in Cullinan reaches about 24°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, April runs about 2°C cooler than March and about 2°C warmer than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52414
62413
72413
82413
92413
102413
112413
122413
132413
142413
152412
162412
172412
182412
192412
202412
212312
222312
232312
242311
252311
262311
272311
282311
292311
302311

Cullinan weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°11214.713.45.9
Feb27° / 17°9711.912.96.2
Mar26° / 16°8910.912.26.8
Apr24° / 12°406.411.47.8
May22° / 152.410.88.6
Jun20° / 71.110.48.4
Jul19° / 40.810.68.5
Aug22° / 81.711.18.9
Sep26° / 12°18311.88.5
Oct27° / 14°709.512.67.0
Nov27° / 15°9712.913.36.2
Dec27° / 16°12116.213.65.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26931
36931
46931
56931
67030
77030
87129
97228
107228
117327
127327
137426
147426
157624
167624
177723
187822
197822
207921
218020
227921
238020
248020
258020
268119
278119
288218
298317
308317

Chance of precipitation in April

Any precipitation

Cullinan gets around 40 mm of rain over 6.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
129
228
328
427
526
626
725
825
924
1024
1124
1224
1323
1423
1523
1623
1722
1822
1921
2021
2120
2220
2319
2419
2518
2618
2717
2816
2916
3015

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
156377
258357
361336
464315
566295
669274
771263
873243
976222
1078202
1179192
1282171
1383161
1484151
1585141
1686140
1787130
1888120
1989110
2090100
219190
229280
239280
249370
259460
269460
279550
289550
299640
309640

Wind in April

Winds average 9 km/h in April, the calmest month.

Across April, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 6:17 AM to 6:31 AM, and sunset from 6:04 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:176:04
211.76:186:03
311.76:186:02
411.76:196:01
511.76:195:59
611.66:205:58
711.66:205:57
811.66:215:56
911.66:215:55
1011.56:215:54
1111.56:225:53
1211.56:225:52
1311.56:235:51
1411.46:235:50
1511.46:245:49
1611.46:245:48
1711.46:255:47
1811.36:255:46
1911.36:265:45
2011.36:265:44
2111.36:275:43
2211.36:275:42
2311.26:285:41
2411.26:285:40
2511.26:295:40
2611.26:295:39
2711.16:305:38
2811.16:305:37
2911.16:315:36
3011.16:315:35

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.78 kWh/m².

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 6.64 kWh/m² in December across the year — April's 4.78 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in April

Hazard calendar for Cullinan

In seasonPeak

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

Cullinan'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 April a good time to visit Cullinan?

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

7.8
Sightseeing
6th-best month of the year
6.5
Beach & pool
3rd-best month of the year

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

What to pack for Cullinan in April

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

In April, Cullinan sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Cullinan in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cullinan peaks around January 1 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 1UV 14Jun 17UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Cullinan in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Cullinan is worst in July — around 188 µg/m³ PM2.5 (very unhealthy), about 6.6× the cleanest month (January, 29 µg/m³).

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyVery unhealthyUnhealthyPoorJul 10187 µg/m³Jan 1229 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb43Poor
Mar67Unhealthy
Apr114Unhealthy
May169Very unhealthy
Jun185Very unhealthy
Jul188Very unhealthy
Aug142Unhealthy
Sep108Unhealthy
Oct62Unhealthy
Nov43Poor
Dec32Moderate
Location & terrain

Where is Cullinan?

Cullinan sits at 25.7°S, 28.5°E, 1,449 m above sea level, in South Africa. The nearest listed city is Ekangala, 21 km away.

Topography around Cullinan

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

Within 3 km, the terrain around Cullinan has only modest variations in elevation — a maximum elevation change of 184 m around an average of 1,438 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 418 m; within 80 km, large variations in elevation — a maximum elevation change of 909 m.

The land around Cullinan is covered by grassland (46%) within 3 km, grassland (61%) within 16 km, and grassland (49%) within 80 km.

3 km
184 m
16 km
418 m
80 km
909 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Ekangala 21 km · Moloto South 26 km · Bronkhorstspruit 27 km · Pretoria 35 km · Hammanskraal 38 km · Centurion 40 km · Midstream 43 km · Thembisa 47 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 Cullinan (-25.6709°, 28.5236°, elevation 1,449 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).