LK flagHanwella Ihala

Sri Lanka · 23K

Lifestyle Calendar

When this city supports your activity — and when it fights you.

Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan: 81% viability
81
Feb: 92% viability
92
Mar: 75% viability
75
Apr: 65% viability
65
May: 40% viability
40
Jun: 50% viability
50
Jul: 61% viability
61
Aug: 66% viability
66
Sep: 51% viability
51
Oct: 46% viability
46
Nov: 53% viability
53
Dec: 74% viability
74
Friction Breakdown
Best months: Jan–Mar, DecChallenging: None
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●

Air Quality Profile

Annual and monthly PM2.5 levels against WHO guidelines.

Annual Average
ModerateWHO annual classification
17.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
2323 µg/m³ — Moderate
2828 µg/m³ — Poor
2727 µg/m³ — Poor
1818 µg/m³ — Moderate
1111 µg/m³ — Fair
1111 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1111 µg/m³ — Fair
1414 µg/m³ — Fair
1212 µg/m³ — Fair
1717 µg/m³ — Moderate
1515 µg/m³ — Fair
1818 µg/m³ — Moderate
Best months: May–JulWorst months: Jan–Mar
Fair10–15 µg/m³Moderate15–25 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.

Annual Summary
Sunshine
2,299hrs/yr
Clear sky
35%
Worst month
4.4hrs/day
Vit D months
11.6months
UV 8+ days
222days/yr
UV 11+ days
32days/yr
Jan
Feb
Mar
Apr
May
Jun
9.39.3 hrsSunny
9.89.8 hrsSunny
9.69.6 hrsSunny
9.69.6 hrsSunny
8.68.6 hrsSunny
9.09.0 hrsSunny
Jul
Aug
Sep
Oct
Nov
Dec
8.88.8 hrsSunny
9.39.3 hrsSunny
8.08.0 hrsGood
8.08.0 hrsGood
8.08.0 hrsGood
9.09.0 hrsSunny
Best months: Feb–AprWorst months: Sep–Nov
GoodSunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●