CN flagHaikou

China · 113K

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: 12% viability
12
Feb: 25% viability
25
Mar: 58% viability
58
Apr: 74% viability
74
May: 76% viability
76
Jun: 59% viability
59
Jul: 56% viability
56
Aug: 50% viability
50
Sep: 73% viability
73
Oct: 66% viability
66
Nov: 30% viability
30
Dec: 16% viability
16
Friction Breakdown
Best months: Apr–May, SepChallenging: Jan–Feb, Nov–Dec
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
22.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
2020 µg/m³ — Moderate
2626 µg/m³ — Poor
3434 µg/m³ — Poor
3333 µg/m³ — Poor
2222 µg/m³ — Moderate
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2121 µg/m³ — Moderate
1717 µg/m³ — Moderate
2222 µg/m³ — Moderate
Best months: Jun–Jul, NovWorst months: Feb–Apr
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.

Annual Summary
Sunshine
2,258hrs/yr
Clear sky
41%
Worst month
4.6hrs/day
Vit D months
11.0months
UV 8+ days
136days/yr
UV 11+ days
29days/yr
Jan
Feb
Mar
Apr
May
Jun
7.37.3 hrsGood
9.09.0 hrsSunny
9.99.9 hrsSunny
9.89.8 hrsSunny
1010 hrsVery Sunny
9.69.6 hrsSunny
Jul
Aug
Sep
Oct
Nov
Dec
9.89.8 hrsSunny
8.78.7 hrsSunny
8.08.0 hrsGood
7.07.0 hrsGood
8.08.0 hrsGood
7.07.0 hrsGood
Best months: Mar–MayWorst months: Jan, Oct, Dec
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●