Heilbron
South Africa · 33K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
HeilbronSouth Africa
South AfricaDinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 71% viability
71Feb: 71% viability
71Mar: 82% viability
82Apr: 52% viability
52May: 16% viability
16Jun: 1% viability
1Jul: 3% viability
3Aug: 17% viability
17Sep: 50% viability
50Oct: 64% viability
64Nov: 77% viability
77Dec: 73% viability
73Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jan–Mar, Nov–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.
HeilbronSouth Africa
South AfricaAnnual Average
PoorWHO annual classification
25.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1818 µg/m³ — Moderate
2222 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2727 µg/m³ — Poor
3333 µg/m³ — Poor
3333 µg/m³ — Poor
3939 µg/m³ — Unhealthy
2626 µg/m³ — Poor
2626 µg/m³ — Poor
2323 µg/m³ — Moderate
2020 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1818 µg/m³ — Moderate
2222 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2727 µg/m³ — Poor
3333 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
3333 µg/m³ — Poor
3939 µg/m³ — Unhealthy
2626 µg/m³ — Poor
2626 µg/m³ — Poor
2323 µg/m³ — Moderate
2020 µg/m³ — Moderate
Best months: Jan, Mar, DecWorst months: Jun–Aug
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
HeilbronSouth Africa
South AfricaAnnual Summary
Sunshine
3,177hrs/yr
Clear sky
65%
Worst month
8.4hrs/day
Vit D months
11.6months
UV 8+ days
188days/yr
UV 11+ days
92days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
1111 hrs — Very Sunny
1010 hrs — Sunny
9.99.9 hrs — Sunny
9.09.0 hrs — Sunny
9.99.9 hrs — Sunny
1010 hrs — Sunny
1010 hrs — Sunny
9.99.9 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
1111 hrs — Very Sunny
Jan
Feb
Mar
Apr
May
Jun
1111 hrs — Very Sunny
1010 hrs — Sunny
9.99.9 hrs — Sunny
9.09.0 hrs — Sunny
9.99.9 hrs — Sunny
1010 hrs — Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1010 hrs — Sunny
9.99.9 hrs — Sunny
1010 hrs — Sunny
1111 hrs — Very Sunny
1010 hrs — Very Sunny
1111 hrs — Very Sunny
Best months: Jan, Oct, DecWorst months: Mar–Apr, Aug
SunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●