Mile 91
Sierra Leone · 74K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Mile 91
Sierra Leone
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 92% viability
92Feb: 88% viability
88Mar: 89% viability
89Apr: 87% viability
87May: 76% viability
76Jun: 60% viability
60Jul: 41% viability
41Aug: 38% viability
38Sep: 50% viability
50Oct: 66% viability
66Nov: 85% viability
85Dec: 97% viability
97Humid
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jan–May, Nov–DecChallenging: Aug
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Mile 91
Sierra Leone
Annual Average
ModerateWHO annual classification
24.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3939 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
2121 µg/m³ — Moderate
1010 µg/m³ — Good
1212 µg/m³ — Fair
1414 µg/m³ — Fair
1111 µg/m³ — Fair
1818 µg/m³ — Moderate
2525 µg/m³ — Moderate
3434 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3939 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
2121 µg/m³ — Moderate
1010 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
1212 µg/m³ — Fair
1414 µg/m³ — Fair
1111 µg/m³ — Fair
1818 µg/m³ — Moderate
2525 µg/m³ — Moderate
3434 µg/m³ — Poor
Best months: Jun–Jul, SepWorst months: Jan–Mar
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 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.
Mile 91
Sierra Leone
Annual Summary
Sunshine
2,132hrs/yr
Clear sky
37%
Worst month
2.4hrs/day
Vit D months
11.7months
UV 8+ days
140days/yr
UV 11+ days
5days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
9.39.3 hrs — Sunny
9.59.5 hrs — Sunny
9.29.2 hrs — Sunny
8.98.9 hrs — Sunny
8.98.9 hrs — Sunny
8.08.0 hrs — Good
6.76.7 hrs — Good
4.04.0 hrs — Low
7.37.3 hrs — Good
8.08.0 hrs — Good
8.98.9 hrs — Sunny
9.09.0 hrs — Sunny
Jan
Feb
Mar
Apr
May
Jun
9.39.3 hrs — Sunny
9.59.5 hrs — Sunny
9.29.2 hrs — Sunny
8.98.9 hrs — Sunny
8.98.9 hrs — Sunny
8.08.0 hrs — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.76.7 hrs — Good
4.04.0 hrs — Low
7.37.3 hrs — Good
8.08.0 hrs — Good
8.98.9 hrs — Sunny
9.09.0 hrs — Sunny
Best months: Jan–MarWorst months: Jul–Sep
LowGoodSunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●