Redhill weather in April

In April, Redhill sees average daytime highs of 22°C and overnight lows near 11°C, with 45 mm of rain across 8.4 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 22°C through the month. The sky is clear or mostly clear about 50% 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 hours by month's end. Set against the rest of the year, April is Redhill's 6th-clearest and 10th-windiest month. For the whole year in context, see Redhill's year-round climate.

Daytime high
22°
8th warmest
Overnight low
11°
6th coldest
Rainfall
45 mm
8.4 wet days
Daylight
11 h 24 min
6:15 AM – 5:38 PM
Cloud cover
44%
6th clearest
Wind
7 km/h
10th windiest
Solar energy
4.53 kWh/m²
Travel score
7.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical April day in Redhill reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°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)
12312
22312
32312
42212
52212
62212
72212
82212
92211
102211
112211
122211
132211
142211
152211
162211
172211
182211
192211
202211
212210
222210
232210
242110
252110
262110
272110
282110
292110
30219

Redhill 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
Jan25° / 15°1471813.55.7
Feb25° / 15°11313.912.96.1
Mar24° / 13°10313.412.26.6
Apr22° / 11°458.411.47.1
May20° / 183.310.78.0
Jun18° / 91.510.47.9
Jul18° / 81.510.57.8
Aug20° / 143.211.18.0
Sep23° / 326.211.87.8
Oct23° / 11°8113.812.66.3
Nov23° / 13°12718.413.35.5
Dec24° / 14°15119.513.65.4

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35941
45941
55941
65941
76040
86040
96040
106139
116238
126238
136337
146436
156535
166634
176634
186832
196832
206931
217030
227030
237129
247129
257228
267327
277426
287525
297624
307723

Chance of precipitation in April

Any precipitation

Redhill gets around 45 mm of rain over 8.4 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 29% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
234
333
433
532
632
731
831
931
1031
1131
1231
1331
1431
1531
1630
1730
1829
1929
2028
2127
2227
2326
2425
2524
2623
2722
2821
2920
3019

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 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
149447
251427
355396
457376
561345
663325
766304
869283
971263
1074242
1176222
1277212
1379201
1480191
1581181
1682180
1783170
1884160
1985150
2086140
2187130
2287130
2388120
2489110
2590100
269190
279280
289370
299460
309550

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

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

Days shrink by about 48 minutes over April. Sunrise moves from 6:08 AM to 6:23 AM, and sunset from 5:54 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:085:54
211.76:095:53
311.76:095:52
411.76:105:51
511.76:105:50
611.66:115:49
711.66:115:48
811.66:125:47
911.66:125:46
1011.56:135:45
1111.56:135:44
1211.56:145:42
1311.56:145:41
1411.46:155:40
1511.46:155:39
1611.46:155:38
1711.46:165:37
1811.36:165:36
1911.36:175:35
2011.36:175:34
2111.36:185:33
2211.26:195:32
2311.26:195:32
2411.26:205:31
2511.26:205:30
2611.16:215:29
2711.16:215:28
2811.16:225:27
2911.16:225:26
3011.06:235:25

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.53 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 5.99 kWh/m² in December across the year — April's 4.53 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in April

Hazard calendar for Redhill

In seasonPeak

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

Redhill'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 Redhill?

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

7.1
Sightseeing
6th-best month of the year
4.8
Beach & pool
6th-best month of the year

April is one of the better times to visit Redhill for general sightseeing.

What to pack for Redhill in April

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

In April, Redhill sees daytime highs around 22°C and nights near 11°C. Worth packing: rain gear and sun protection. About 8 days see rain.

rain gearsun protection

UV index in Redhill in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Redhill peaks around January 12 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 12UV 14Jun 21UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7Very high
Sep9Very high
Oct10Very high
Nov12Extreme
Dec14Extreme

Air quality in Redhill 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 Redhill is worst in November — around 46 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (December, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateModeratePoorModeratePoorModerateNov 1543 µg/m³Dec 2219 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb21Moderate
Mar28Moderate
Apr36Poor
May31Moderate
Jun35Moderate
Jul40Poor
Aug41Poor
Sep33Moderate
Oct26Moderate
Nov46Poor
Dec18Moderate
Location & terrain

Where is Redhill?

Redhill sits at 26.3°S, 30.8°E, 1,630 m above sea level, in South Africa. The nearest listed city is Empuluzu, 7.0 km away.

Topography around Redhill

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

Within 3 km, the terrain around Redhill has significant variations in elevation — a maximum elevation change of 271 m around an average of 1,564 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 723 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,759 m.

The land around Redhill is covered by grassland (67%) within 3 km, grassland (68%) and trees (24%) within 16 km, and grassland (53%) and trees (32%) within 80 km.

3 km
271 m
16 km
723 m
80 km
1,759 m
treesshrubsgrasslandcroplandartificial surfaces
April weather nearby: Empuluzu 7.0 km · Fernie 15 km · Lukwatini 23 km · Nhlazatje 25 km · Mbabane 31 km · Lobamba 44 km · Barberton 57 km · Manzini 61 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 Redhill (-26.2607°, 30.8255°, elevation 1,630 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).