Postmasburg weather in May

In May, Postmasburg sees average daytime highs of 22°C and overnight lows near 7°C, with 14 mm of rain across 2.4 wet days and about 10.6 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 76% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 18 min by month's end. Set against the rest of the year, May is Postmasburg's 4th-clearest and 9th-windiest month. For the whole year in context, see Postmasburg's year-round climate.

Daytime high: 22°; 9th warmest
Overnight low: 7°; 4th coldest
Rainfall: 14 mm; 2.4 wet days
Daylight: 10 h 36 min; 7:06 AM – 5:42 PM
Cloud cover: 22%; 4th clearest
Wind: 11 km/h; 9th windiest
Solar energy: 4.24 kWh/m²
Travel score: 8.6; out of 10

Postmasburg is town in South Africa.

Founded: 1892

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

← April Postmasburg year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 20°C by the end.

A typical May day in Postmasburg reaches about 22°C in the afternoon and slips back to 7°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, May runs about 3°C cooler than April and about 3°C warmer than June.

	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)	23	23	23	23	23	23	23	23	23	23	23	23	22	22	22	22	22	22	22	22	21	21	21	21	21	21	20	20	20	20	20
Avg low (°C)	9	9	9	9	9	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	6	6	6	6	6	5	5	5	5	5

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

How May really feels in Postmasburg

Once humidity and wind are folded in, May 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

May 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 May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 13%.

	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 (%)	87	88	88	88	88	88	88	88	88	87	88	88	88	88	87	86	86	86	86	86	86	86	86	86	86	87	87	87	87	87	87
Cloudier (%)	13	12	12	12	12	12	12	12	12	13	12	12	12	12	13	14	14	14	14	14	14	14	14	14	14	13	13	13	13	13	13

	Clearer (%)	Cloudier (%)
1	87	13
2	88	12
3	88	12
4	88	12
5	88	12
6	88	12
7	88	12
8	88	12
9	88	12
10	87	13
11	88	12
12	88	12
13	88	12
14	88	12
15	87	13
16	86	14
17	86	14
18	86	14
19	86	14
20	86	14
21	86	14
22	86	14
23	86	14
24	86	14
25	86	14
26	87	13
27	87	13
28	87	13
29	87	13
30	87	13
31	87	13

Chance of precipitation in May

Any precipitation

Postmasburg gets around 14 mm of rain over 2.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 13% on the wettest days. The odds ease toward the end of the month.

	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 (%)	13	12	12	11	11	11	10	10	10	9	9	9	9	8	8	8	8	8	7	7	7	6	6	5	5	5	4	4	4	4	4

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

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 100% 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 (%)	99	99	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in May

Winds average 11 km/h in May.

Across May, 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.

	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)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 6:57 AM to 7:15 AM, and sunset from 5:53 PM to 5:36 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)	10.9	10.9	10.9	10.9	10.8	10.8	10.8	10.8	10.7	10.7	10.7	10.7	10.7	10.6	10.6	10.6	10.6	10.6	10.5	10.5	10.5	10.5	10.5	10.5	10.4	10.4	10.4	10.4	10.4	10.4	10.3
Sunrise (AM)	6:57	6:58	6:58	6:59	6:59	7:00	7:01	7:01	7:02	7:02	7:03	7:04	7:04	7:05	7:06	7:06	7:07	7:07	7:08	7:08	7:09	7:10	7:10	7:11	7:11	7:12	7:13	7:13	7:14	7:14	7:15
Sunset (PM)	5:53	5:52	5:51	5:50	5:50	5:49	5:48	5:47	5:46	5:46	5:45	5:44	5:44	5:43	5:42	5:42	5:41	5:41	5:40	5:40	5:39	5:39	5:38	5:38	5:37	5:37	5:37	5:36	5:36	5:36	5:36

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.9	6:57	5:53
2	10.9	6:58	5:52
3	10.9	6:58	5:51
4	10.9	6:59	5:50
5	10.8	6:59	5:50
6	10.8	7:00	5:49
7	10.8	7:01	5:48
8	10.8	7:01	5:47
9	10.7	7:02	5:46
10	10.7	7:02	5:46
11	10.7	7:03	5:45
12	10.7	7:04	5:44
13	10.7	7:04	5:44
14	10.6	7:05	5:43
15	10.6	7:06	5:42
16	10.6	7:06	5:42
17	10.6	7:07	5:41
18	10.6	7:07	5:41
19	10.5	7:08	5:40
20	10.5	7:08	5:40
21	10.5	7:09	5:39
22	10.5	7:10	5:39
23	10.5	7:10	5:38
24	10.5	7:11	5:38
25	10.4	7:11	5:37
26	10.4	7:12	5:37
27	10.4	7:13	5:37
28	10.4	7:13	5:36
29	10.4	7:14	5:36
30	10.4	7:14	5:36
31	10.3	7:15	5:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.24 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 — May's 4.24 kWh/m² sits near the bottom.

	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)	4.6	4.6	4.6	4.5	4.5	4.5	4.5	4.5	4.4	4.4	4.4	4.3	4.3	4.3	4.3	4.2	4.2	4.2	4.2	4.1	4.1	4.1	4.1	4.0	4.0	4.0	4.0	4.0	3.9	3.9	3.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.6	Bright
2	4.6	Bright
3	4.6	Bright
4	4.5	Bright
5	4.5	Bright
6	4.5	Bright
7	4.5	Bright
8	4.5	Bright
9	4.4	Bright
10	4.4	Bright
11	4.4	Bright
12	4.3	Bright
13	4.3	Bright
14	4.3	Bright
15	4.3	Bright
16	4.2	Bright
17	4.2	Bright
18	4.2	Bright
19	4.2	Bright
20	4.1	Bright
21	4.1	Bright
22	4.1	Bright
23	4.1	Bright
24	4.0	Bright
25	4.0	Bright
26	4.0	Bright
27	4.0	Moderate
28	4.0	Moderate
29	3.9	Moderate
30	3.9	Moderate
31	3.9	Moderate

Planning a trip in May

Is May a good time to visit Postmasburg?

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

8.6

Sightseeing

3rd-best month of the year

5.8

Beach & pool

9th-best month of the year

May is one of the better times to visit Postmasburg for general sightseeing.

What to pack for Postmasburg in May

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

In May, Postmasburg sees daytime highs around 22°C and nights near 7°C. Worth packing: a warm layer.

a warm layer

UV index in Postmasburg in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks 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 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

← April Postmasburg year-round climate June →Best places to visit in May

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

	Clearer (%)	Cloudier (%)
1	87	13
2	88	12
3	88	12
4	88	12
5	88	12
6	88	12
7	88	12
8	88	12
9	88	12
10	87	13
11	88	12
12	88	12
13	88	12
14	88	12
15	87	13
16	86	14
17	86	14
18	86	14
19	86	14
20	86	14
21	86	14
22	86	14
23	86	14
24	86	14
25	86	14
26	87	13
27	87	13
28	87	13
29	87	13
30	87	13
31	87	13

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

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	87	13
2	88	12
3	88	12
4	88	12
5	88	12
6	88	12
7	88	12
8	88	12
9	88	12
10	87	13
11	88	12
12	88	12
13	88	12
14	88	12
15	87	13
16	86	14
17	86	14
18	86	14
19	86	14
20	86	14
21	86	14
22	86	14
23	86	14
24	86	14
25	86	14
26	87	13
27	87	13
28	87	13
29	87	13
30	87	13
31	87	13

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

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	87	13
2	88	12
3	88	12
4	88	12
5	88	12
6	88	12
7	88	12
8	88	12
9	88	12
10	87	13
11	88	12
12	88	12
13	88	12
14	88	12
15	87	13
16	86	14
17	86	14
18	86	14
19	86	14
20	86	14
21	86	14
22	86	14
23	86	14
24	86	14
25	86	14
26	87	13
27	87	13
28	87	13
29	87	13
30	87	13
31	87	13

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

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0