Koidu
Sierra Leone · 149K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Koidu
Sierra Leone
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 99% viability
99Feb: 89% viability
89Mar: 75% viability
75Apr: 63% viability
63May: 58% viability
58Jun: 44% viability
44Jul: 29% viability
29Aug: 35% viability
35Sep: 37% viability
37Oct: 39% viability
39Nov: 81% viability
81Dec: 97% viability
97Rain
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jan–Mar, Nov–DecChallenging: Jul–Oct
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Koidu
Sierra Leone
Annual Average
PoorWHO annual classification
28.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4848 µg/m³ — Unhealthy
5252 µg/m³ — Very Unhealthy
3737 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
2525 µg/m³ — Moderate
1414 µg/m³ — Fair
1515 µg/m³ — Moderate
1414 µg/m³ — Fair
1515 µg/m³ — Fair
2020 µg/m³ — Moderate
2727 µg/m³ — Poor
3636 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
4848 µg/m³ — Unhealthy
5252 µg/m³ — Very Unhealthy
3737 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
2525 µg/m³ — Moderate
1414 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1515 µg/m³ — Moderate
1414 µg/m³ — Fair
1515 µg/m³ — Fair
2020 µg/m³ — Moderate
2727 µg/m³ — Poor
3636 µg/m³ — Unhealthy
Best months: Jun, Aug–SepWorst months: Jan–Feb, Apr
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholdsConfidence: ●●●
Sun & UV Profile
Monthly sunshine, sky clarity, and UV exposure patterns.
Koidu
Sierra Leone
Annual Summary
Sunshine
2,180hrs/yr
Clear sky
39%
Worst month
2.1hrs/day
Vit D months
11.8months
UV 8+ days
216days/yr
UV 11+ days
16days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
9.49.4 hrs — Sunny
9.79.7 hrs — Sunny
9.39.3 hrs — Sunny
9.19.1 hrs — Sunny
8.98.9 hrs — Sunny
7.77.7 hrs — Good
6.06.0 hrs — Moderate
4.04.0 hrs — Low
7.07.0 hrs — Good
8.08.0 hrs — Good
8.88.8 hrs — Sunny
9.39.3 hrs — Sunny
Jan
Feb
Mar
Apr
May
Jun
9.49.4 hrs — Sunny
9.79.7 hrs — Sunny
9.39.3 hrs — Sunny
9.19.1 hrs — Sunny
8.98.9 hrs — Sunny
7.77.7 hrs — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.06.0 hrs — Moderate
4.04.0 hrs — Low
7.07.0 hrs — Good
8.08.0 hrs — Good
8.88.8 hrs — Sunny
9.39.3 hrs — Sunny
Best months: Jan–MarWorst months: Jul–Sep
LowModerateGoodSunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●