Robertson weather in July

In July, Robertson sees average daytime highs of 17°C and overnight lows near 5°C, with 35 mm of precipitation across 6 wet days and about 10 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 53% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of July to 10 h 18 min by month's end. Set against the rest of the year, July is Robertson's 5th-clearest and 9th-windiest month. For the whole year in context, see Robertson's year-round climate.

Daytime high
17°
12th warmest
Overnight low
1st coldest
Precipitation
35 mm
6 wet days
Daylight
10 hours
7:47 AM – 5:45 PM
Cloud cover
38%
5th clearest
Wind
8 km/h
9th windiest
Solar energy
2.87 kWh/m²
Travel score
6.1
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical July day in Robertson reaches about 17°C in the afternoon and slips back to 5°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 22°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1175
2175
3175
4175
5175
6175
7175
8175
9175
10175
11175
12175
13175
14175
15175
16175
17175
18175
19175
20175
21175
22175
23175
24175
25175
26175
27175
28175
29175
30175
31175

Robertson weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 3rd-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 16% of July, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47129
57030
67030
77030
86931
96931
106931
116931
126832
136832
146832
156733
166832
176832
186832
196832
206832
216832
226832
236931
247030
257030
267030
277129
287129
297129
307129
317228

Chance of precipitation in July

Any precipitation

Robertson gets around 35 mm of rain and snow over 6 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 21% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
119
219
319
418
518
618
718
818
919
1019
1119
1219
1320
1420
1520
1621
1721
1821
1921
2021
2121
2221
2321
2421
2521
2621
2721
2821
2921
3020
3120

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July 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 July

Winds average 8 km/h in July.

Across July, 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.

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
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 48 min at the start of July to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over July. Sunrise moves from 7:50 AM to 7:38 AM, and sunset from 5:37 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:505:37
29.87:505:38
39.87:505:38
49.87:505:38
59.87:505:39
69.87:505:39
79.87:505:40
89.87:505:40
99.97:505:41
109.97:495:41
119.97:495:42
129.97:495:42
139.97:485:43
149.97:485:44
159.97:485:44
1610.07:475:45
1710.07:475:45
1810.07:475:46
1910.07:465:47
2010.07:465:47
2110.07:455:48
2210.17:445:49
2310.17:445:49
2410.17:435:50
2510.17:435:51
2610.27:425:51
2710.27:415:52
2810.27:415:53
2910.27:405:53
3010.37:395:54
3110.37:385:55

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.87 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 — July's 2.87 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.8Moderate
82.8Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.2Moderate
Planning a trip in July

Is July a good time to visit Robertson?

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

6.1
Sightseeing
12th-best month of the year
1.3
Beach & pool
12th-best month of the year

July is a reasonable time to visit Robertson for sightseeing.

What to pack for Robertson in July

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

In July, Robertson sees daytime highs around 17°C and nights near 5°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in Robertson in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 3 — 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).