Koster
South Africa · 23K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
KosterSouth Africa
South AfricaDinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 84% viability
84Feb: 80% viability
80Mar: 89% viability
89Apr: 69% viability
69May: 27% viability
27Jun: 0% viability
0Jul: 5% viability
5Aug: 26% viability
26Sep: 69% viability
69Oct: 81% viability
81Nov: 84% viability
84Dec: 83% viability
83Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jan–Mar, Oct–DecChallenging: May–Aug
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
KosterSouth Africa
South AfricaAnnual Average
PoorWHO annual classification
25.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2323 µg/m³ — Moderate
2121 µg/m³ — Moderate
2525 µg/m³ — Moderate
2525 µg/m³ — Moderate
2929 µg/m³ — Poor
3434 µg/m³ — Poor
3232 µg/m³ — Poor
3131 µg/m³ — Poor
2626 µg/m³ — Poor
2525 µg/m³ — Poor
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2323 µg/m³ — Moderate
2121 µg/m³ — Moderate
2525 µg/m³ — Moderate
2525 µg/m³ — Moderate
2929 µg/m³ — Poor
3434 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
3232 µg/m³ — Poor
3131 µg/m³ — Poor
2626 µg/m³ — Poor
2525 µg/m³ — Poor
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
Best months: Feb, Nov–DecWorst months: Jun–Aug
Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
KosterSouth Africa
South AfricaAnnual Summary
Sunshine
3,229hrs/yr
Clear sky
68%
Worst month
8.8hrs/day
Vit D months
11.6months
UV 8+ days
193days/yr
UV 11+ days
93days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
1111 hrs — Very Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
8.88.8 hrs — Sunny
1010 hrs — Sunny
1010 hrs — Sunny
1010 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
Jan
Feb
Mar
Apr
May
Jun
1111 hrs — Very Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
8.88.8 hrs — Sunny
1010 hrs — Sunny
1010 hrs — Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1010 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
Best months: Jan, Sep–OctWorst months: Apr, Jul–Aug
SunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●