Den Chai
Thailand · 17K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Den Chai
Thailand
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 94% viability
94Feb: 96% viability
96Mar: 95% viability
95Apr: 84% viability
84May: 75% viability
75Jun: 70% viability
70Jul: 60% viability
60Aug: 61% viability
61Sep: 63% viability
63Oct: 79% viability
79Nov: 96% viability
96Dec: 97% viability
97Humid
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Jan–Jun, 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.
Den Chai
Thailand
Annual Average
PoorWHO annual classification
28.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3939 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
4646 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
2525 µg/m³ — Poor
1616 µg/m³ — Moderate
1818 µg/m³ — Moderate
1616 µg/m³ — Moderate
1919 µg/m³ — Moderate
2323 µg/m³ — Moderate
3030 µg/m³ — Poor
3232 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3939 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
4646 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
2525 µg/m³ — Poor
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1818 µg/m³ — Moderate
1616 µg/m³ — Moderate
1919 µg/m³ — Moderate
2323 µg/m³ — Moderate
3030 µg/m³ — Poor
3232 µg/m³ — Poor
Best months: Jun–AugWorst months: Jan, Mar–Apr
Moderate15–25 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.
Den Chai
Thailand
Annual Summary
Sunshine
2,554hrs/yr
Clear sky
48%
Worst month
3.9hrs/day
Vit D months
11.5months
UV 8+ days
115days/yr
UV 11+ days
4days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
9.89.8 hrs — Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
1010 hrs — Sunny
1010 hrs — Very Sunny
9.79.7 hrs — Sunny
9.09.0 hrs — Sunny
8.08.0 hrs — Good
7.77.7 hrs — Good
8.18.1 hrs — Sunny
8.88.8 hrs — Sunny
9.39.3 hrs — Sunny
Jan
Feb
Mar
Apr
May
Jun
9.89.8 hrs — Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
1010 hrs — Sunny
1010 hrs — Very Sunny
9.79.7 hrs — Sunny
Jul
Aug
Sep
Oct
Nov
Dec
9.09.0 hrs — Sunny
8.08.0 hrs — Good
7.77.7 hrs — Good
8.18.1 hrs — Sunny
8.88.8 hrs — Sunny
9.39.3 hrs — Sunny
Best months: Feb–Mar, MayWorst months: Aug–Oct
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●