Postmasburg weather in December

In December, Postmasburg sees average daytime highs of 31°C and overnight lows near 17°C, with 54 mm of rain across 8.4 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 4th-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 64% of the time in December, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of December to 13 h 48 min by month's end. Set against the rest of the year, December is Postmasburg's 9th-clearest and 4th-windiest month. For the whole year in context, see Postmasburg's year-round climate.

Daytime high: 31°; 1st warmest
Overnight low: 17°; 10th coldest
Rainfall: 54 mm; 8.4 wet days
Daylight: 13 h 48 min; 5:30 AM – 7:18 PM
Cloud cover: 31%; 9th clearest
Wind: 13 km/h; 4th windiest
Solar energy: 8.18 kWh/m²
Travel score: 4.9; out of 10

Postmasburg is town in South Africa.

Founded: 1892

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

← November Postmasburg year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Postmasburg reaches about 31°C in the afternoon and slips back to 17°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	30	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	32	32	32	32	32	32	32	32	32	32	32	32	32
Avg low (°C)	16	16	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	18	18	18	18	18

	Avg high (°C)	Avg low (°C)
1	30	16
2	31	16
3	31	16
4	31	16
5	31	16
6	31	16
7	31	16
8	31	16
9	31	16
10	31	17
11	31	17
12	31	17
13	31	17
14	31	17
15	31	17
16	31	17
17	31	17
18	31	17
19	32	17
20	32	17
21	32	17
22	32	17
23	32	17
24	32	17
25	32	17
26	32	17
27	32	18
28	32	18
29	32	18
30	32	18
31	32	18

How December really feels in Postmasburg

Once humidity and wind are folded in, December 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

December 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 December compares with the rest of the year at a glance. December is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 16%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	82	82	82	82	82	83	84	84	85	86	86	87	87	87	87	86	86	86	86	85	85	85	84	84	83	82	82	82	82	82	82
Cloudier (%)	18	18	18	18	18	17	16	16	15	14	14	13	13	13	13	14	14	14	14	15	15	15	16	16	17	18	18	18	18	18	18

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	83	17
7	84	16
8	84	16
9	85	15
10	86	14
11	86	14
12	87	13
13	87	13
14	87	13
15	87	13
16	86	14
17	86	14
18	86	14
19	86	14
20	85	15
21	85	15
22	85	15
23	84	16
24	84	16
25	83	17
26	82	18
27	82	18
28	82	18
29	82	18
30	82	18
31	82	18

Chance of precipitation in December

Any precipitation

Postmasburg gets around 54 mm of rain over 8.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 30% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	23	24	25	26	26	27	27	27	27	27	27	27	26	26	25	25	25	25	25	25	25	25	26	26	27	28	28	29	29	30	30

	Rain chance (%)
1	23
2	24
3	25
4	26
5	26
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	26
14	26
15	25
16	25
17	25
18	25
19	25
20	25
21	25
22	25
23	26
24	26
25	27
26	28
27	28
28	29
29	29
30	30
31	30

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	87	87	86	85	84	84	84	84	84	84	84	84	84	83	83	83	83	83	83	82	82	81	80	79	78	77	77	75	74	73	72
Comfortable (%)	11	11	12	12	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12	12	12	13	13	13	13	14	14	15	15
Humid (%)	2	2	2	3	3	3	3	3	3	3	3	3	3	4	4	4	5	5	5	6	6	7	8	8	9	10	10	11	12	12	13

	Dry (%)	Comfortable (%)	Humid (%)
1	87	11	2
2	87	11	2
3	86	12	2
4	85	12	3
5	84	13	3
6	84	13	3
7	84	13	3
8	84	13	3
9	84	13	3
10	84	13	3
11	84	13	3
12	84	13	3
13	84	13	3
14	83	13	4
15	83	13	4
16	83	13	4
17	83	12	5
18	83	12	5
19	83	12	5
20	82	12	6
21	82	12	6
22	81	12	7
23	80	12	8
24	79	13	8
25	78	13	9
26	77	13	10
27	77	13	10
28	75	14	11
29	74	14	12
30	73	15	12
31	72	15	13

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	13	light breeze
2	13	light breeze
3	13	light breeze
4	13	light breeze
5	13	light breeze
6	13	light breeze
7	13	light breeze
8	13	light breeze
9	13	light breeze
10	13	light breeze
11	13	light breeze
12	13	light breeze
13	13	light breeze
14	13	light breeze
15	13	light breeze
16	13	light breeze
17	13	light breeze
18	13	light breeze
19	13	light breeze
20	13	light breeze
21	13	light breeze
22	13	light breeze
23	13	light breeze
24	13	light breeze
25	13	light breeze
26	13	light breeze
27	13	light breeze
28	12	light breeze
29	12	light breeze
30	12	light breeze
31	12	light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 42 min at the start of December to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:27 AM to 5:38 AM, and sunset from 7:08 PM to 7:24 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	13.7	13.7	13.7	13.7	13.7	13.7	13.7	13.7	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8	13.8
Sunrise (AM)	5:27	5:27	5:27	5:27	5:28	5:28	5:28	5:28	5:28	5:28	5:29	5:29	5:29	5:29	5:30	5:30	5:31	5:31	5:31	5:32	5:32	5:33	5:33	5:34	5:34	5:35	5:35	5:36	5:36	5:37	5:38
Sunset (PM)	7:08	7:08	7:09	7:10	7:11	7:11	7:12	7:13	7:13	7:14	7:15	7:15	7:16	7:16	7:17	7:18	7:18	7:19	7:19	7:20	7:20	7:21	7:21	7:22	7:22	7:23	7:23	7:23	7:24	7:24	7:24

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.7	5:27	7:08
2	13.7	5:27	7:08
3	13.7	5:27	7:09
4	13.7	5:27	7:10
5	13.7	5:28	7:11
6	13.7	5:28	7:11
7	13.7	5:28	7:12
8	13.7	5:28	7:13
9	13.8	5:28	7:13
10	13.8	5:28	7:14
11	13.8	5:29	7:15
12	13.8	5:29	7:15
13	13.8	5:29	7:16
14	13.8	5:29	7:16
15	13.8	5:30	7:17
16	13.8	5:30	7:18
17	13.8	5:31	7:18
18	13.8	5:31	7:19
19	13.8	5:31	7:19
20	13.8	5:32	7:20
21	13.8	5:32	7:20
22	13.8	5:33	7:21
23	13.8	5:33	7:21
24	13.8	5:34	7:22
25	13.8	5:34	7:22
26	13.8	5:35	7:23
27	13.8	5:35	7:23
28	13.8	5:36	7:23
29	13.8	5:36	7:24
30	13.8	5:37	7:24
31	13.8	5:38	7:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.18 kWh/m² — the sunniest month for solar.

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 — December's 8.18 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	8.1	8.1	8.1	8.1	8.1	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.3	8.3	8.3	8.3	8.3	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.1	8.1	8.1	8.1	8.1	8.0
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	8.1	Intense
2	8.1	Intense
3	8.1	Intense
4	8.1	Intense
5	8.1	Intense
6	8.2	Intense
7	8.2	Intense
8	8.2	Intense
9	8.2	Intense
10	8.2	Intense
11	8.2	Intense
12	8.2	Intense
13	8.2	Intense
14	8.3	Intense
15	8.3	Intense
16	8.3	Intense
17	8.3	Intense
18	8.3	Intense
19	8.2	Intense
20	8.2	Intense
21	8.2	Intense
22	8.2	Intense
23	8.2	Intense
24	8.2	Intense
25	8.2	Intense
26	8.1	Intense
27	8.1	Intense
28	8.1	Intense
29	8.1	Intense
30	8.1	Intense
31	8.0	Intense

Planning a trip in December

Is December a good time to visit Postmasburg?

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

4.9

Sightseeing

11th-best month of the year

7.3

Beach & pool

5th-best month of the year

December 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 December

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

In December, Postmasburg sees daytime highs around 31°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Postmasburg in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks 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

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.

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

shrubs 49%

16 km

387 m

shrubs 60%

80 km

848 m

grassland 55%

treesshrubsgrasslandartificial surfacesbare terrainwater

← November Postmasburg year-round climate January →Best places to visit in December

December 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

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).

	Avg high (°C)	Avg low (°C)
1	30	16
2	31	16
3	31	16
4	31	16
5	31	16
6	31	16
7	31	16
8	31	16
9	31	16
10	31	17
11	31	17
12	31	17
13	31	17
14	31	17
15	31	17
16	31	17
17	31	17
18	31	17
19	32	17
20	32	17
21	32	17
22	32	17
23	32	17
24	32	17
25	32	17
26	32	17
27	32	18
28	32	18
29	32	18
30	32	18
31	32	18

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	83	17
7	84	16
8	84	16
9	85	15
10	86	14
11	86	14
12	87	13
13	87	13
14	87	13
15	87	13
16	86	14
17	86	14
18	86	14
19	86	14
20	85	15
21	85	15
22	85	15
23	84	16
24	84	16
25	83	17
26	82	18
27	82	18
28	82	18
29	82	18
30	82	18
31	82	18

	Rain chance (%)
1	23
2	24
3	25
4	26
5	26
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	26
14	26
15	25
16	25
17	25
18	25
19	25
20	25
21	25
22	25
23	26
24	26
25	27
26	28
27	28
28	29
29	29
30	30
31	30

	Dry (%)	Comfortable (%)	Humid (%)
1	87	11	2
2	87	11	2
3	86	12	2
4	85	12	3
5	84	13	3
6	84	13	3
7	84	13	3
8	84	13	3
9	84	13	3
10	84	13	3
11	84	13	3
12	84	13	3
13	84	13	3
14	83	13	4
15	83	13	4
16	83	13	4
17	83	12	5
18	83	12	5
19	83	12	5
20	82	12	6
21	82	12	6
22	81	12	7
23	80	12	8
24	79	13	8
25	78	13	9
26	77	13	10
27	77	13	10
28	75	14	11
29	74	14	12
30	73	15	12
31	72	15	13

	Avg high (°C)	Avg low (°C)
1	30	16
2	31	16
3	31	16
4	31	16
5	31	16
6	31	16
7	31	16
8	31	16
9	31	16
10	31	17
11	31	17
12	31	17
13	31	17
14	31	17
15	31	17
16	31	17
17	31	17
18	31	17
19	32	17
20	32	17
21	32	17
22	32	17
23	32	17
24	32	17
25	32	17
26	32	17
27	32	18
28	32	18
29	32	18
30	32	18
31	32	18

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	83	17
7	84	16
8	84	16
9	85	15
10	86	14
11	86	14
12	87	13
13	87	13
14	87	13
15	87	13
16	86	14
17	86	14
18	86	14
19	86	14
20	85	15
21	85	15
22	85	15
23	84	16
24	84	16
25	83	17
26	82	18
27	82	18
28	82	18
29	82	18
30	82	18
31	82	18

	Rain chance (%)
1	23
2	24
3	25
4	26
5	26
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	26
14	26
15	25
16	25
17	25
18	25
19	25
20	25
21	25
22	25
23	26
24	26
25	27
26	28
27	28
28	29
29	29
30	30
31	30

	Dry (%)	Comfortable (%)	Humid (%)
1	87	11	2
2	87	11	2
3	86	12	2
4	85	12	3
5	84	13	3
6	84	13	3
7	84	13	3
8	84	13	3
9	84	13	3
10	84	13	3
11	84	13	3
12	84	13	3
13	84	13	3
14	83	13	4
15	83	13	4
16	83	13	4
17	83	12	5
18	83	12	5
19	83	12	5
20	82	12	6
21	82	12	6
22	81	12	7
23	80	12	8
24	79	13	8
25	78	13	9
26	77	13	10
27	77	13	10
28	75	14	11
29	74	14	12
30	73	15	12
31	72	15	13

	Avg high (°C)	Avg low (°C)
1	30	16
2	31	16
3	31	16
4	31	16
5	31	16
6	31	16
7	31	16
8	31	16
9	31	16
10	31	17
11	31	17
12	31	17
13	31	17
14	31	17
15	31	17
16	31	17
17	31	17
18	31	17
19	32	17
20	32	17
21	32	17
22	32	17
23	32	17
24	32	17
25	32	17
26	32	17
27	32	18
28	32	18
29	32	18
30	32	18
31	32	18

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	82	18
4	82	18
5	82	18
6	83	17
7	84	16
8	84	16
9	85	15
10	86	14
11	86	14
12	87	13
13	87	13
14	87	13
15	87	13
16	86	14
17	86	14
18	86	14
19	86	14
20	85	15
21	85	15
22	85	15
23	84	16
24	84	16
25	83	17
26	82	18
27	82	18
28	82	18
29	82	18
30	82	18
31	82	18

	Rain chance (%)
1	23
2	24
3	25
4	26
5	26
6	27
7	27
8	27
9	27
10	27
11	27
12	27
13	26
14	26
15	25
16	25
17	25
18	25
19	25
20	25
21	25
22	25
23	26
24	26
25	27
26	28
27	28
28	29
29	29
30	30
31	30

	Dry (%)	Comfortable (%)	Humid (%)
1	87	11	2
2	87	11	2
3	86	12	2
4	85	12	3
5	84	13	3
6	84	13	3
7	84	13	3
8	84	13	3
9	84	13	3
10	84	13	3
11	84	13	3
12	84	13	3
13	84	13	3
14	83	13	4
15	83	13	4
16	83	13	4
17	83	12	5
18	83	12	5
19	83	12	5
20	82	12	6
21	82	12	6
22	81	12	7
23	80	12	8
24	79	13	8
25	78	13	9
26	77	13	10
27	77	13	10
28	75	14	11
29	74	14	12
30	73	15	12
31	72	15	13