TH flagChiang Rai

Thailand · 122K

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: 82% viability
82
Feb: 93% viability
93
Mar: 95% viability
95
Apr: 87% viability
87
May: 72% viability
72
Jun: 66% viability
66
Jul: 61% viability
61
Aug: 45% viability
45
Sep: 61% viability
61
Oct: 81% viability
81
Nov: 92% viability
92
Dec: 84% viability
84
Friction Breakdown
Best months: Jan–May, Oct–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
PoorWHO annual classification
33.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
3737 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
7171 µg/m³ — Very Unhealthy
4444 µg/m³ — Unhealthy
3030 µg/m³ — Poor
2323 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2525 µg/m³ — Moderate
2828 µg/m³ — Poor
2727 µg/m³ — Poor
3333 µg/m³ — Poor
Best months: Jun–AugWorst months: Feb–Apr
Moderate15–25 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.

Annual Summary
Sunshine
2,603hrs/yr
Clear sky
49%
Worst month
3.7hrs/day
Vit D months
11.5months
UV 8+ days
114days/yr
UV 11+ days
7days/yr
Jan
Feb
Mar
Apr
May
Jun
9.29.2 hrsSunny
1111 hrsVery Sunny
1010 hrsVery Sunny
1010 hrsVery Sunny
1010 hrsVery Sunny
1010 hrsSunny
Jul
Aug
Sep
Oct
Nov
Dec
9.59.5 hrsSunny
7.97.9 hrsGood
8.78.7 hrsSunny
8.28.2 hrsSunny
8.88.8 hrsSunny
9.19.1 hrsSunny
Best months: Feb, Apr–MayWorst months: Aug–Oct
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●