Randburg in Winter
In winter (June, July and August), Randburg sees average daytime highs around 20°C and overnight lows near 5°C, with 16 mm of rain over about 3 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 19°C in early June to 23°C by late August. The sky is clear or mostly clear about 85% of the time across winter, and the air most often feels dry.
Winter is Randburg's best season of the year to visit on our travel score. For the whole year in context, see Randburg's year-round climate.
- Avg daytime high
- 20°C
- coldest season of the year
- Avg overnight low
- 5°C
- Rainfall
- 16 mm
- 3 wet days
- Avg wind
- 10 km/h
- Travel score
- 8.4
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Randburg in Winter
Over the season highs climb from about 19°C in early June to 23°C by late August.
A typical winter day in Randburg reaches about 20°C and drops to 5°C overnight. The warmest of the three months is August, the coolest July.
Randburg 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 | 27° / 17° | 107 | 15.1 | 13.5 | 5.9 |
| Feb | 27° / 16° | 97 | 12.4 | 12.9 | 6.2 |
| Mar | 25° / 15° | 80 | 11.1 | 12.2 | 6.9 |
| Apr | 23° / 12° | 37 | 6.4 | 11.4 | 7.7 |
| May | 21° / 8° | 14 | 2.6 | 10.7 | 8.4 |
| Jun | 19° / 5° | 7 | 1.1 | 10.4 | 8.2 |
| Jul | 19° / 4° | 2 | 0.6 | 10.5 | 8.3 |
| Aug | 22° / 7° | 8 | 1.4 | 11.1 | 8.8 |
| Sep | 25° / 11° | 19 | 2.8 | 11.8 | 8.6 |
| Oct | 26° / 14° | 61 | 9.3 | 12.6 | 7.1 |
| Nov | 26° / 15° | 85 | 12.6 | 13.3 | 6.3 |
| Dec | 26° / 16° | 117 | 16.5 | 13.6 | 5.8 |
Cloud cover in Winter
The sky is clear or mostly clear about 85% of the time across winter.
Chance of precipitation in Winter
Randburg gets around 16 mm of rain over 3 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 10 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 30 min in early June to 11 h 24 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 4.4 kWh/m².
Hazard calendar for Randburg
None of Randburg's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Randburg's rainy season runs October–March, when most of the year's rain falls.
Is winter a good time to visit Randburg?
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 one of the better times to visit Randburg for general sightseeing.
What to pack for Randburg in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Randburg sees daytime highs around 20°C and nights near 5°C. Worth packing: a warm layer and sun protection.
UV index in Randburg in Winter
Clear-sky midday UV across winter averages 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 Randburg peaks around January 1 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 12 | 9 | 6 | 5 | 6 | 7 | 9 | 11 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 6 | High |
| Aug | 7 | Very high |
| Sep | 9 | Very high |
| Oct | 11 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Air quality in Randburg 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 Randburg is worst in June — around 283 µg/m³ PM2.5 (very unhealthy), about 5.7× the cleanest month (January, 50 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) | 50 | 72 | 119 | 177 | 261 | 283 | 275 | 213 | 156 | 99 | 70 | 55 |
| Level | Poor | Unhealthy | Unhealthy | Very unhealthy | Very unhealthy | Very unhealthy | Very unhealthy | Very unhealthy | Very unhealthy | Unhealthy | Unhealthy | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 50 | Poor |
| Feb | 72 | Unhealthy |
| Mar | 119 | Unhealthy |
| Apr | 177 | Very unhealthy |
| May | 261 | Very unhealthy |
| Jun | 283 | Very unhealthy |
| Jul | 275 | Very unhealthy |
| Aug | 213 | Very unhealthy |
| Sep | 156 | Very unhealthy |
| Oct | 99 | Unhealthy |
| Nov | 70 | Unhealthy |
| Dec | 55 | Poor |
Where is Randburg?
Randburg sits at 26.1°S, 28.0°E, 1,593 m above sea level, in South Africa. The nearest listed city is Alexandra, 10 km away.
Topography around Randburg
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Randburg.
Within 3 km, the terrain around Randburg has only modest variations in elevation — a maximum elevation change of 188 m around an average of 1,544 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 499 m; within 80 km, large variations in elevation — a maximum elevation change of 900 m.
The land around Randburg is covered by trees (46%) and artificial surfaces (46%) within 3 km, artificial surfaces (43%), grassland (28%) and trees (25%) within 16 km, and grassland (54%) and cropland (20%) 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 Randburg (-26.0941°, 28.0012°, elevation 1,593 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.