Koster weather in October
In October, Koster sees average daytime highs of 28°C and overnight lows near 15°C, with 52 mm of rain across 7.8 wet days and about 12.6 hours of daylight. It is the 5th-warmest and 6th-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 58% of the time in October, and the air most often feels dry.
Daylight stretches from about 12 h 12 min at the start of October to 13 hours by month's end. Set against the rest of the year, October is Koster's 6th-clearest and 1st-windiest month. For the whole year in context, see Koster's year-round climate.
- Daytime high
- 28°
- 5th warmest
- Overnight low
- 15°
- 7th coldest
- Rainfall
- 52 mm
- 7.8 wet days
- Daylight
- 12 h 36 min
- 5:39 AM – 6:16 PM
- Cloud cover
- 38%
- 6th clearest
- Wind
- 11 km/h
- 1st windiest
- Solar energy
- 6.67 kWh/m²
- Travel score
- 7.0
- 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 October
Day-to-day highs hold fairly steady near 28°C through the month.
A typical October day in Koster reaches about 28°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 33°C. Set against its neighbours, October runs about 2°C warmer than September and on par with November.
| 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) | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 14 |
| 2 | 27 | 14 |
| 3 | 28 | 14 |
| 4 | 28 | 14 |
| 5 | 28 | 15 |
| 6 | 28 | 15 |
| 7 | 28 | 15 |
| 8 | 28 | 15 |
| 9 | 28 | 15 |
| 10 | 28 | 15 |
| 11 | 28 | 15 |
| 12 | 28 | 15 |
| 13 | 28 | 15 |
| 14 | 28 | 15 |
| 15 | 28 | 15 |
| 16 | 28 | 15 |
| 17 | 28 | 15 |
| 18 | 28 | 15 |
| 19 | 28 | 15 |
| 20 | 28 | 15 |
| 21 | 28 | 16 |
| 22 | 28 | 16 |
| 23 | 28 | 16 |
| 24 | 28 | 16 |
| 25 | 28 | 16 |
| 26 | 28 | 16 |
| 27 | 28 | 16 |
| 28 | 28 | 16 |
| 29 | 28 | 16 |
| 30 | 28 | 16 |
| 31 | 28 | 16 |
Koster weather by month
How October compares with the rest of the year at a glance. October is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 18° | 98 | 14.4 | 13.4 | 5.5 |
| Feb | 28° / 18° | 96 | 12.3 | 12.9 | 5.9 |
| Mar | 27° / 16° | 76 | 11.1 | 12.2 | 6.7 |
| Apr | 24° / 13° | 36 | 6.5 | 11.4 | 7.8 |
| May | 22° / 9° | 18 | 2.2 | 10.8 | 8.7 |
| Jun | 20° / 6° | 8 | 1.2 | 10.4 | 8.4 |
| Jul | 20° / 5° | 3 | 0.5 | 10.5 | 8.5 |
| Aug | 23° / 8° | 8 | 1.4 | 11.1 | 9.0 |
| Sep | 26° / 12° | 14 | 2.2 | 11.8 | 8.5 |
| Oct | 28° / 15° | 52 | 7.8 | 12.6 | 7.0 |
| Nov | 28° / 16° | 78 | 12.1 | 13.3 | 5.9 |
| Dec | 28° / 17° | 121 | 14.8 | 13.6 | 5.5 |
Cloud cover in October
The sky is clear or mostly clear about 58% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 19% of October, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to cloud over as the month goes on.
| 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 (%) | 84 | 84 | 83 | 82 | 82 | 82 | 81 | 81 | 80 | 79 | 79 | 79 | 77 | 77 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 74 | 73 | 73 | 73 | 73 | 73 | 72 | 73 | 72 | 71 |
| Cloudier (%) | 16 | 16 | 17 | 18 | 18 | 18 | 19 | 19 | 20 | 21 | 21 | 21 | 23 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 28 | 29 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 84 | 16 |
| 2 | 84 | 16 |
| 3 | 83 | 17 |
| 4 | 82 | 18 |
| 5 | 82 | 18 |
| 6 | 82 | 18 |
| 7 | 81 | 19 |
| 8 | 81 | 19 |
| 9 | 80 | 20 |
| 10 | 79 | 21 |
| 11 | 79 | 21 |
| 12 | 79 | 21 |
| 13 | 77 | 23 |
| 14 | 77 | 23 |
| 15 | 76 | 24 |
| 16 | 76 | 24 |
| 17 | 76 | 24 |
| 18 | 76 | 24 |
| 19 | 75 | 25 |
| 20 | 75 | 25 |
| 21 | 75 | 25 |
| 22 | 74 | 26 |
| 23 | 73 | 27 |
| 24 | 73 | 27 |
| 25 | 73 | 27 |
| 26 | 73 | 27 |
| 27 | 73 | 27 |
| 28 | 72 | 28 |
| 29 | 73 | 27 |
| 30 | 72 | 28 |
| 31 | 71 | 29 |
Chance of precipitation in October
Koster gets around 52 mm of rain over 7.8 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 24% and peaks near 31% on the wettest days. The odds climb 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 (%) | 15 | 16 | 17 | 17 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 22 | 22 | 23 | 23 | 24 | 25 | 25 | 26 | 27 | 27 | 28 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 31 | 31 |
| Rain chance (%) | |
|---|---|
| 1 | 15 |
| 2 | 16 |
| 3 | 17 |
| 4 | 17 |
| 5 | 18 |
| 6 | 19 |
| 7 | 19 |
| 8 | 20 |
| 9 | 20 |
| 10 | 21 |
| 11 | 21 |
| 12 | 22 |
| 13 | 22 |
| 14 | 23 |
| 15 | 23 |
| 16 | 24 |
| 17 | 25 |
| 18 | 25 |
| 19 | 26 |
| 20 | 27 |
| 21 | 27 |
| 22 | 28 |
| 23 | 29 |
| 24 | 29 |
| 25 | 30 |
| 26 | 30 |
| 27 | 30 |
| 28 | 31 |
| 29 | 31 |
| 30 | 31 |
| 31 | 31 |
Humidity in October
Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the dry band about 83% 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 (%) | 94 | 93 | 92 | 92 | 91 | 90 | 90 | 89 | 89 | 88 | 88 | 87 | 86 | 86 | 85 | 84 | 84 | 82 | 81 | 81 | 80 | 79 | 78 | 76 | 76 | 75 | 74 | 74 | 73 | 73 | 72 |
| Comfortable (%) | 6 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 15 | 16 | 16 | 17 | 18 | 18 | 19 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 25 | 25 | 26 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 94 | 6 | 0 |
| 2 | 93 | 7 | 0 |
| 3 | 92 | 8 | 0 |
| 4 | 92 | 8 | 0 |
| 5 | 91 | 9 | 0 |
| 6 | 90 | 10 | 0 |
| 7 | 90 | 10 | 0 |
| 8 | 89 | 11 | 0 |
| 9 | 89 | 11 | 0 |
| 10 | 88 | 12 | 0 |
| 11 | 88 | 12 | 0 |
| 12 | 87 | 13 | 0 |
| 13 | 86 | 14 | 0 |
| 14 | 86 | 14 | 0 |
| 15 | 85 | 15 | 0 |
| 16 | 84 | 16 | 0 |
| 17 | 84 | 16 | 0 |
| 18 | 82 | 17 | 1 |
| 19 | 81 | 18 | 1 |
| 20 | 81 | 18 | 1 |
| 21 | 80 | 19 | 1 |
| 22 | 79 | 20 | 1 |
| 23 | 78 | 21 | 1 |
| 24 | 76 | 22 | 2 |
| 25 | 76 | 22 | 2 |
| 26 | 75 | 23 | 2 |
| 27 | 74 | 24 | 2 |
| 28 | 74 | 24 | 2 |
| 29 | 73 | 25 | 2 |
| 30 | 73 | 25 | 2 |
| 31 | 72 | 26 | 2 |
Wind in October
Winds average 11 km/h in October, the windiest month of the year.
Across October, daily wind ranges from about 11 km/h on the calmest days to 11 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 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| 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 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
| 31 | 11 | calm |
Sunrise & sunset in October
Daylight runs from about 12 h 12 min at the start of October to 13 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over October. Sunrise moves from 5:54 AM to 5:27 AM, and sunset from 6:09 PM to 6:25 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) | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 13.0 |
| Sunrise (AM) | 5:54 | 5:53 | 5:52 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:41 | 5:40 | 5:39 | 5:38 | 5:37 | 5:36 | 5:35 | 5:34 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:30 | 5:29 | 5:28 | 5:27 | 5:27 |
| Sunset (PM) | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:21 | 6:21 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 5:54 | 6:09 |
| 2 | 12.3 | 5:53 | 6:09 |
| 3 | 12.3 | 5:52 | 6:10 |
| 4 | 12.3 | 5:51 | 6:10 |
| 5 | 12.3 | 5:50 | 6:10 |
| 6 | 12.4 | 5:49 | 6:11 |
| 7 | 12.4 | 5:48 | 6:11 |
| 8 | 12.4 | 5:47 | 6:12 |
| 9 | 12.4 | 5:46 | 6:12 |
| 10 | 12.5 | 5:45 | 6:13 |
| 11 | 12.5 | 5:44 | 6:13 |
| 12 | 12.5 | 5:43 | 6:14 |
| 13 | 12.5 | 5:42 | 6:14 |
| 14 | 12.6 | 5:41 | 6:15 |
| 15 | 12.6 | 5:40 | 6:16 |
| 16 | 12.6 | 5:39 | 6:16 |
| 17 | 12.6 | 5:38 | 6:17 |
| 18 | 12.7 | 5:37 | 6:17 |
| 19 | 12.7 | 5:36 | 6:18 |
| 20 | 12.7 | 5:35 | 6:18 |
| 21 | 12.7 | 5:34 | 6:19 |
| 22 | 12.8 | 5:34 | 6:19 |
| 23 | 12.8 | 5:33 | 6:20 |
| 24 | 12.8 | 5:32 | 6:21 |
| 25 | 12.8 | 5:31 | 6:21 |
| 26 | 12.9 | 5:30 | 6:22 |
| 27 | 12.9 | 5:30 | 6:23 |
| 28 | 12.9 | 5:29 | 6:23 |
| 29 | 12.9 | 5:28 | 6:24 |
| 30 | 12.9 | 5:27 | 6:24 |
| 31 | 13.0 | 5:27 | 6:25 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 6.67 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 — October's 6.67 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) | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 |
| 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 | 6.5 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.6 | Intense |
| 8 | 6.6 | Intense |
| 9 | 6.6 | Intense |
| 10 | 6.6 | Intense |
| 11 | 6.6 | Intense |
| 12 | 6.6 | Intense |
| 13 | 6.7 | Intense |
| 14 | 6.7 | Intense |
| 15 | 6.7 | Intense |
| 16 | 6.7 | Intense |
| 17 | 6.7 | Intense |
| 18 | 6.7 | Intense |
| 19 | 6.7 | Intense |
| 20 | 6.7 | Intense |
| 21 | 6.7 | Intense |
| 22 | 6.7 | Intense |
| 23 | 6.7 | Intense |
| 24 | 6.7 | Intense |
| 25 | 6.7 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.7 | Intense |
| 28 | 6.8 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.8 | Intense |
| 31 | 6.8 | Intense |
Hazard calendar for Koster
None of Koster's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Koster's rainy season runs November–March, when most of the year's rain falls.
Is October a good time to visit Koster?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is one of the better times to visit Koster for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Koster in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Koster sees daytime highs around 28°C and nights near 15°C. Pack light clothes and sun protection. About 8 days see rain.
UV index in Koster in October
Clear-sky midday UV in October peaks around 11 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 13 | 12 | 9 | 6 | 5 | 6 | 8 | 9 | 11 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 6 | High |
| Jun | 5 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 11 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Air quality in Koster in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 22 | 31 | 46 | 62 | 69 | 66 | 53 | 47 | 28 | 17 | 14 |
| Level | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 22 | Moderate |
| Mar | 31 | Moderate |
| Apr | 46 | Poor |
| May | 62 | Unhealthy |
| Jun | 69 | Unhealthy |
| Jul | 66 | Unhealthy |
| Aug | 53 | Poor |
| Sep | 47 | Poor |
| Oct | 28 | Moderate |
| Nov | 17 | Moderate |
| Dec | 14 | Moderate |
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.
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 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).