Dien Bien Phu
Vietnam · 59K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Dien Bien Phu
Vietnam
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 55% viability
55Feb: 74% viability
74Mar: 90% viability
90Apr: 89% viability
89May: 82% viability
82Jun: 66% viability
66Jul: 75% viability
75Aug: 62% viability
62Sep: 86% viability
86Oct: 91% viability
91Nov: 88% viability
88Dec: 45% viability
45Cold
Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
Best months: Feb–May, Jul, Sep–NovChallenging: None
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025Confidence: ●●●
Air Quality Profile
Annual and monthly PM2.5 levels against WHO guidelines.
Dien Bien Phu
Vietnam
Annual Average
PoorWHO annual classification
29.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3333 µg/m³ — Poor
3535 µg/m³ — Poor
5353 µg/m³ — Very Unhealthy
5151 µg/m³ — Very Unhealthy
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1515 µg/m³ — Fair
1919 µg/m³ — Moderate
2525 µg/m³ — Moderate
2828 µg/m³ — Poor
3131 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3333 µg/m³ — Poor
3535 µg/m³ — Poor
5353 µg/m³ — Very Unhealthy
5151 µg/m³ — Very Unhealthy
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1717 µg/m³ — Moderate
1515 µg/m³ — Fair
1919 µg/m³ — Moderate
2525 µg/m³ — Moderate
2828 µg/m³ — Poor
3131 µg/m³ — Poor
Best months: Jun–AugWorst months: Feb–Apr
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 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.
Dien Bien Phu
Vietnam
Annual Summary
Sunshine
2,180hrs/yr
Clear sky
39%
Worst month
2.7hrs/day
Vit D months
11.2months
UV 8+ days
88days/yr
UV 11+ days
3days/yr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
7.37.3 hrs — Good
8.78.7 hrs — Sunny
9.29.2 hrs — Sunny
1010 hrs — Very Sunny
9.69.6 hrs — Sunny
7.07.0 hrs — Good
9.09.0 hrs — Sunny
7.07.0 hrs — Good
7.97.9 hrs — Good
8.38.3 hrs — Sunny
7.87.8 hrs — Good
8.18.1 hrs — Sunny
Jan
Feb
Mar
Apr
May
Jun
7.37.3 hrs — Good
8.78.7 hrs — Sunny
9.29.2 hrs — Sunny
1010 hrs — Very Sunny
9.69.6 hrs — Sunny
7.07.0 hrs — Good
Jul
Aug
Sep
Oct
Nov
Dec
9.09.0 hrs — Sunny
7.07.0 hrs — Good
7.97.9 hrs — Good
8.38.3 hrs — Sunny
7.87.8 hrs — Good
8.18.1 hrs — Sunny
Best months: Mar–MayWorst months: Jan, Jun, Aug
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●