Robertson weather in April

In April, Robertson sees average daytime highs of 24°C and overnight lows near 11°C, with 32 mm of rain across 5.5 wet days and about 11.2 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. 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 42 min at the start of April to 10 h 42 min by month's end. Set against the rest of the year, April is Robertson's 8th-clearest and 11th-windiest month. For the whole year in context, see Robertson's year-round climate.

Daytime high
24°
6th warmest
Overnight low
11°
7th coldest
Rainfall
32 mm
5.5 wet days
Daylight
11 h 12 min
7:06 AM – 6:15 PM
Cloud cover
41%
8th clearest
Wind
8 km/h
11th windiest
Solar energy
4.23 kWh/m²
Travel score
7.9
out of 10

Robertson is town in the Western Cape, South Africa.

Density
1,461/km²
people per km²
Founded
1853

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical April day in Robertson reaches about 24°C in the afternoon and slips back to 11°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 30°C. Set against its neighbours, April runs about 3°C cooler than March and about 3°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12513
22513
32513
42513
52513
62513
72512
82512
92412
102412
112412
122412
132412
142412
152411
162311
172311
182311
192311
202311
212311
222311
232210
242210
252210
262210
272210
282210
292210
302210

Robertson weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 15°265146.8
Feb29° / 16°244.513.36.8
Mar27° / 14°34612.37.5
Apr24° / 11°325.511.27.9
May21° / 28510.37.4
Jun17° / 336.69.86.3
Jul17° / 356106.1
Aug18° / 346.510.76.5
Sep20° / 235.611.87.2
Oct23° / 10°375.612.97.8
Nov25° / 12°385.513.87.9
Dec28° / 14°254.914.27.5

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 19% of April, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57129
67030
77030
87030
97030
107030
117030
126931
136931
146931
156931
166931
176832
186733
196733
206733
216733
226733
236733
246832
256832
266832
276832
286733
296733
306733

Chance of precipitation in April

Any precipitation

Robertson gets around 32 mm of rain over 5.5 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 18% and peaks near 20% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
120
220
320
420
520
619
719
819
919
1018
1118
1218
1318
1418
1518
1618
1718
1818
1918
2018
2118
2218
2318
2418
2518
2618
2718
2818
2918
3018

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
180191
280191
381181
481181
582171
683161
784151
884151
985141
1086131
1187121
1288111
1389101
149190
159280
169280
179370
189460
199460
209550
219640
229640
239730
249730
259730
269820
279820
289820
299820
309820

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
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
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 42 min at the start of April to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over April. Sunrise moves from 6:55 AM to 7:17 AM, and sunset from 6:36 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:556:36
211.66:556:34
311.66:566:33
411.66:576:32
511.56:586:30
611.56:586:29
711.56:596:27
811.47:006:26
911.47:016:25
1011.47:016:23
1111.37:026:22
1211.37:036:21
1311.37:046:19
1411.27:046:18
1511.27:056:17
1611.27:066:15
1711.17:076:14
1811.17:076:13
1911.17:086:12
2011.07:096:10
2111.07:106:09
2211.07:116:08
2310.97:116:07
2410.97:126:06
2510.97:136:04
2610.87:146:03
2710.87:146:02
2810.87:156:01
2910.77:166:00
3010.77:175:59

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.23 kWh/m².

For context, solar energy here swings from a low near 2.63 kWh/m² to a high of 7.98 kWh/m² in December across the year — April's 4.23 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.3Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.1Bright
204.0Bright
214.0Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
Planning a trip in April

Is April a good time to visit Robertson?

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

7.9
Sightseeing
1st-best month of the year
6.3
Beach & pool
6th-best month of the year

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

What to pack for Robertson in April

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

In April, Robertson sees daytime highs around 24°C and nights near 11°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Robertson in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Robertson peaks around January 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 13UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb10Very high
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Extreme
Nov12Extreme
Dec12Extreme

Air quality in Robertson 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 Robertson is worst in June — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (January, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2017 µg/m³Jan 166 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar9Good
Apr10Good
May16Moderate
Jun17Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct9Good
Nov7Good
Dec8Good
Location & terrain

Where is Robertson?

Robertson sits at 33.8°S, 19.9°E, 187 m above sea level, in South Africa. The nearest listed city is Ashton, 16 km away.

Topography around Robertson

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

Within 3 km, the terrain around Robertson has significant variations in elevation — a maximum elevation change of 273 m around an average of 209 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,558 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,214 m.

The land around Robertson is covered by shrubs (42%) and cropland (21%) within 3 km, shrubs (54%) and grassland (26%) within 16 km, and grassland (44%), shrubs (30%) and cropland (21%) within 80 km.

3 km
273 m
16 km
1,558 m
80 km
2,214 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Ashton 16 km · Montagu 22 km · Worcester 44 km · Swellendam 57 km · Caledon 64 km · Franschhoek 72 km · Ceres 72 km · Le Roux 73 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 Robertson (-33.8034°, 19.8854°, elevation 187 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).