Robertson in Winter
In winter (June, July and August), Robertson sees average daytime highs around 17°C and overnight lows near 5°C, with 102 mm of rain over about 19 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 17°C. The sky is clear or mostly clear about 51% of the time across winter, and the air most often feels dry.
Winter is Robertson's weakest season of the year to visit on our travel score. For the whole year in context, see Robertson's year-round climate.
- Avg daytime high
- 17°C
- coldest season of the year
- Avg overnight low
- 5°C
- Rainfall
- 102 mm
- 19 wet days
- Avg wind
- 8 km/h
- Travel score
- 6.3
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Robertson in Winter
Across winter, daytime highs hold fairly steady around 17°C.
A typical winter day in Robertson reaches about 17°C and drops to 5°C overnight. The warmest of the three months is August, the coolest July.
Robertson weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 15° | 26 | 5 | 14 | 6.8 |
| Feb | 29° / 16° | 24 | 4.5 | 13.3 | 6.8 |
| Mar | 27° / 14° | 34 | 6 | 12.3 | 7.5 |
| Apr | 24° / 11° | 32 | 5.5 | 11.2 | 7.9 |
| May | 21° / 8° | 28 | 5 | 10.3 | 7.4 |
| Jun | 17° / 6° | 33 | 6.6 | 9.8 | 6.3 |
| Jul | 17° / 5° | 35 | 6 | 10 | 6.1 |
| Aug | 18° / 6° | 34 | 6.5 | 10.7 | 6.5 |
| Sep | 20° / 8° | 23 | 5.6 | 11.8 | 7.2 |
| Oct | 23° / 10° | 37 | 5.6 | 12.9 | 7.8 |
| Nov | 25° / 12° | 38 | 5.5 | 13.8 | 7.9 |
| Dec | 28° / 14° | 25 | 4.9 | 14.2 | 7.5 |
Cloud cover in Winter
The sky is clear or mostly clear about 51% of the time across winter.
Chance of precipitation in Winter
Robertson gets around 102 mm of rain over 19 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 8 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 54 min in early June to 11 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.1 kWh/m².
Is winter a good time to visit Robertson?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Robertson for sightseeing.
What to pack for Robertson in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Robertson sees daytime highs around 17°C and nights near 5°C. Worth packing: a warm layer. About 19 days see rain.
UV index in Robertson in Winter
Clear-sky midday UV across winter averages 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 10 | 10 | 6 | 4 | 3 | 3 | 4 | 6 | 10 | 12 | 12 |
| Level | Extreme | Very high | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 10 | Very high |
| Mar | 10 | Very high |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 10 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Robertson in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 6 | 8 | 9 | 10 | 16 | 17 | 17 | 16 | 13 | 9 | 7 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 8 | Good |
| Mar | 9 | Good |
| Apr | 10 | Good |
| May | 16 | Moderate |
| Jun | 17 | Moderate |
| Jul | 17 | Moderate |
| Aug | 16 | Moderate |
| Sep | 13 | Moderate |
| Oct | 9 | Good |
| Nov | 7 | Good |
| Dec | 8 | Good |
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.
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
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.