Postmasburg weather in January

In January, Postmasburg sees average daytime highs of 31°C and overnight lows near 18°C, with 73 mm of rain across 10.9 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 60% of the time in January, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of January to 13 h 24 min by month's end. Set against the rest of the year, January is Postmasburg's 11th-clearest and 8th-windiest month. For the whole year in context, see Postmasburg's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
18°
12th coldest
Rainfall
73 mm
10.9 wet days
Daylight
13 h 36 min
5:48 AM – 7:26 PM
Cloud cover
35%
11th clearest
Wind
12 km/h
8th windiest
Solar energy
7.69 kWh/m²
Travel score
4.6
out of 10

Postmasburg is town in South Africa.

Founded
1892

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Postmasburg reaches about 31°C in the afternoon and slips back to 18°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, January runs on par with December and about 1°C warmer than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13218
23218
33218
43118
53118
63118
73118
83118
93118
103118
113118
123118
133118
143118
153118
163118
173118
183118
193118
203118
213118
223118
233118
243118
253118
263118
273118
283118
293118
303118
313118

How January really feels in Postmasburg

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January 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 January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 18°7310.913.64.6
Feb30° / 18°6510.5135.0
Mar28° / 16°579.412.26.3
Apr25° / 11°365.911.38.0
May22° / 142.410.68.6
Jun19° / 111.610.28.1
Jul19° / 51.310.48.1
Aug21° / 51.2118.7
Sep25° / 101.711.88.9
Oct28° / 12°223.712.77.6
Nov30° / 15°335.813.46.1
Dec31° / 17°548.413.84.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 18%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38218
48218
58119
68218
78218
88218
98218
108317
118317
128317
138317
148317
158218
168218
178218
188119
198119
208119
218119
228119
238119
248119
258119
268119
278119
288119
298218
308218
318119

Chance of precipitation in January

Any precipitation

Postmasburg gets around 73 mm of rain over 10.9 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
431
531
631
731
831
932
1032
1132
1233
1334
1434
1535
1636
1737
1837
1938
2039
2139
2239
2339
2439
2539
2638
2738
2837
2937
3036
3136

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17215130
27116130
37016140
46917140
56917140
66818140
76719140
86719140
96520150
106520150
116321151
126221161
136221161
146022171
156022171
165922181
175822191
185722192
195622202
205622202
215523202
225423212
235423212
245423212
255423212
265622202
275622202
285622202
295723191
305723191
315723191

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 48 min at the start of January to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over January. Sunrise moves from 5:38 AM to 6:00 AM, and sunset from 7:24 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:387:24
213.85:387:24
313.85:397:25
413.85:407:25
513.75:407:25
613.75:417:25
713.75:427:25
813.75:427:25
913.75:437:26
1013.75:447:26
1113.75:457:26
1213.75:457:26
1313.75:467:26
1413.65:477:26
1513.65:487:26
1613.65:487:26
1713.65:497:25
1813.65:507:25
1913.65:517:25
2013.65:527:25
2113.55:527:25
2213.55:537:25
2313.55:547:24
2413.55:557:24
2513.55:567:24
2613.55:567:24
2713.45:577:23
2813.45:587:23
2913.45:597:23
3013.46:007:22
3113.46:007:22

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.69 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 8.18 kWh/m² in December across the year — January's 7.69 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.0Intense
28.0Intense
38.0Intense
48.0Intense
57.9Intense
67.9Intense
77.9Intense
87.9Intense
97.8Intense
107.8Intense
117.8Intense
127.8Intense
137.8Intense
147.7Intense
157.7Intense
167.7Intense
177.7Intense
187.6Intense
197.6Intense
207.6Intense
217.6Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.4Intense
317.4Intense
Planning a trip in January

Is January a good time to visit Postmasburg?

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

4.6
Sightseeing
12th-best month of the year
6.9
Beach & pool
8th-best month of the year

January 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 January

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

In January, Postmasburg sees daytime highs around 31°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Postmasburg in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 13UV 15Jun 20UV 4
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun4Moderate
Jul5Moderate
Aug7High
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

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.

PampierstadKimberleyWarrentonUpingtonChristianaVryburgSchweizer-RenekeBloemhof

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.

3 km
79 m
16 km
387 m
80 km
848 m
treesshrubsgrasslandartificial surfacesbare terrainwater
January weather nearby: Pampierstad 171 km · Kimberley 172 km · Warrenton 176 km · Upington 177 km · Christiana 211 km · Vryburg 224 km · Schweizer-Reneke 257 km · Bloemhof 261 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 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).