Koster weather in November

In November, Koster sees average daytime highs of 28°C and overnight lows near 16°C, with 78 mm of rain across 12.1 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 42% of the time in November, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of November to 13 h 30 min by month's end. Set against the rest of the year, November is Koster's 10th-clearest and 3rd-windiest month. For the whole year in context, see Koster's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
16°
9th coldest
Rainfall
78 mm
12.1 wet days
Daylight
13 h 18 min
5:19 AM – 6:36 PM
Cloud cover
50%
10th clearest
Wind
10 km/h
3rd windiest
Solar energy
6.75 kWh/m²
Travel score
5.9
out of 10

Koster is place in North West, South Africa.

Founded
1860

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

Temperature in November

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical November day in Koster reaches about 28°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 33°C. Set against its neighbours, November runs on par with October and on par with December.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12816
22816
32816
42816
52816
62816
72816
82816
92816
102816
112816
122816
132816
142816
152816
162816
172816
182816
192816
202816
212816
222816
232816
242816
252817
262817
272817
282817
292817
302817

Koster weather by month

How November compares with the rest of the year at a glance. November is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°9814.413.45.5
Feb28° / 18°9612.312.95.9
Mar27° / 16°7611.112.26.7
Apr24° / 13°366.511.47.8
May22° / 182.210.88.7
Jun20° / 81.210.48.4
Jul20° / 30.510.58.5
Aug23° / 81.411.19.0
Sep26° / 12°142.211.88.5
Oct28° / 15°527.812.67.0
Nov28° / 16°7812.113.35.9
Dec28° / 17°12114.813.65.5

Cloud cover in November

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in November.

Beyond those clear spells, partly cloudy skies cover about 21% of November, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27129
37030
47030
56931
66931
76931
86832
96733
106733
116634
126436
136337
146337
156139
166040
176040
186040
196040
205941
215941
225842
235941
245941
255842
265842
275842
285941
295941
305941

Chance of precipitation in November

Any precipitation

Koster gets around 78 mm of rain over 12.1 wet days in November. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
131
231
331
432
532
633
733
834
935
1036
1137
1238
1339
1441
1542
1643
1743
1844
1944
2045
2145
2246
2346
2446
2547
2647
2747
2847
2947
3048

Humidity in November

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, November lands in the dry band about 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
172262
270273
370273
469283
569283
667294
767294
865305
965305
1064306
1163316
1262317
1360328
1459329
15583210
16573211
17563212
18553213
19543214
20533215
21523216
22513316
23503317
24493318
25483419
26463419
27453520
28443520
29433621
30423721

Wind in November

Winds average 10 km/h in November.

Across November, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in November

DaylightNight

Daylight runs from about 13 hours at the start of November to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over November. Sunrise moves from 5:26 AM to 5:17 AM, and sunset from 6:26 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:266:26
213.05:266:26
313.05:256:27
413.15:246:28
513.15:246:28
613.15:236:29
713.15:236:30
813.15:226:31
913.25:226:31
1013.25:216:32
1113.25:216:33
1213.25:206:33
1313.25:206:34
1413.35:206:35
1513.35:196:36
1613.35:196:36
1713.35:196:37
1813.35:186:38
1913.35:186:38
2013.45:186:39
2113.45:186:40
2213.45:186:41
2313.45:186:41
2413.45:176:42
2513.45:176:43
2613.45:176:44
2713.55:176:44
2813.55:176:45
2913.55:176:46
3013.55:176:46

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 6.75 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 6.8 kWh/m² in December across the year — November's 6.75 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in November

Hazard calendar for Koster

In seasonPeak

In November, Koster sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Koster's rainy season runs November–March, when most of the year's rain falls.

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

Is November a good time to visit Koster?

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

5.9
Sightseeing
9th-best month of the year
6.6
Beach & pool
4th-best month of the year

November is a reasonable time to visit Koster for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Koster in November

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

In November, Koster sees daytime highs around 28°C and nights near 16°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Koster in November

LowModerateHighVery highExtreme

Clear-sky midday UV in November peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Koster peaks around January 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 13UV 15Jun 19UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Koster in November

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.

Air quality in Koster is worst in June — around 69 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (December, 14 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJun 1869 µg/m³Dec 2114 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb22Moderate
Mar31Moderate
Apr46Poor
May62Unhealthy
Jun69Unhealthy
Jul66Unhealthy
Aug53Poor
Sep47Poor
Oct28Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Koster?

Koster sits at 25.9°S, 26.9°E, 1,620 m above sea level, in South Africa. The nearest listed city is Rustenburg, 41 km away.

Topography around Koster

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Koster.

Within 3 km, the terrain around Koster has only modest variations in elevation — a maximum elevation change of 168 m around an average of 1,581 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 397 m; within 80 km, large variations in elevation — a maximum elevation change of 868 m.

The land around Koster is covered by grassland (50%) and cropland (31%) within 3 km, grassland (54%) and cropland (26%) within 16 km, and grassland (58%) within 80 km.

3 km
168 m
16 km
397 m
80 km
868 m
treesshrubsgrasslandcroplandartificial surfaces
November weather nearby: Rustenburg 41 km · Ventersdorp 51 km · Marikana 61 km · Carletonville 75 km · Hartbeestfontein-A 77 km · Coligny 78 km · Bagale 78 km · Lichtenburg 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
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 Koster (-25.863°, 26.8976°, elevation 1,620 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).