Postmasburg in Summer
In summer (December, January and February), Postmasburg sees average daytime highs around 31°C and overnight lows near 17°C, with 192 mm of rain over about 30 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 61% of the time across summer, and the air most often feels dry.
Summer is Postmasburg's weakest season of the year to visit on our travel score. For the whole year in context, see Postmasburg's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 192 mm
- 30 wet days
- Avg wind
- 12 km/h
- Travel score
- 4.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Postmasburg in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Postmasburg reaches about 31°C and drops to 17°C overnight. The warmest of the three months is December, the coolest December.
How summer really feels in Postmasburg
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Postmasburg weather by month
How the three summer months (December, January and February) 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 | 31° / 18° | 73 | 10.9 | 13.6 | 4.6 |
| Feb | 30° / 18° | 65 | 10.5 | 13 | 5.0 |
| Mar | 28° / 16° | 57 | 9.4 | 12.2 | 6.3 |
| Apr | 25° / 11° | 36 | 5.9 | 11.3 | 8.0 |
| May | 22° / 7° | 14 | 2.4 | 10.6 | 8.6 |
| Jun | 19° / 3° | 11 | 1.6 | 10.2 | 8.1 |
| Jul | 19° / 3° | 5 | 1.3 | 10.4 | 8.1 |
| Aug | 21° / 5° | 5 | 1.2 | 11 | 8.7 |
| Sep | 25° / 9° | 10 | 1.7 | 11.8 | 8.9 |
| Oct | 28° / 12° | 22 | 3.7 | 12.7 | 7.6 |
| Nov | 30° / 15° | 33 | 5.8 | 13.4 | 6.1 |
| Dec | 31° / 17° | 54 | 8.4 | 13.8 | 4.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 61% of the time across summer.
Chance of precipitation in Summer
Postmasburg gets around 192 mm of rain over 30 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 42 min in early December to 12 h 42 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.6 kWh/m².
Is summer a good time to visit Postmasburg?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Postmasburg for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Postmasburg in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Postmasburg sees daytime highs around 31°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 30 days see rain.
UV index in Postmasburg in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Postmasburg peaks around January 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (moderate).
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) | 15 | 13 | 11 | 8 | 6 | 4 | 5 | 7 | 9 | 11 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 4 | Moderate |
| Jul | 5 | Moderate |
| Aug | 7 | High |
| Sep | 9 | Very high |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Postmasburg?
Postmasburg sits at 28.3°S, 23.1°E, 1,305 m above sea level, in South Africa. The nearest listed city is Pampierstad, 171 km away.
Topography around Postmasburg
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Postmasburg.
Within 3 km, the terrain around Postmasburg has only modest variations in elevation — a maximum elevation change of 79 m around an average of 1,315 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 387 m; within 80 km, large variations in elevation — a maximum elevation change of 848 m.
The land around Postmasburg is covered by shrubs (49%) and grassland (34%) within 3 km, shrubs (60%) and grassland (37%) within 16 km, and grassland (55%) and shrubs (44%) 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 Postmasburg (-28.3339°, 23.0654°, elevation 1,305 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.