BR flagRio Branco

Brazil · 331K

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: 85% viability
85
Feb: 80% viability
80
Mar: 87% viability
87
Apr: 91% viability
91
May: 96% viability
96
Jun: 94% viability
94
Jul: 99% viability
99
Aug: 97% viability
97
Sep: 98% viability
98
Oct: 94% viability
94
Nov: 94% viability
94
Dec: 84% viability
84
Friction Breakdown
Best months: Jan–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
23.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
2222 µg/m³ — Moderate
2323 µg/m³ — Moderate
1616 µg/m³ — Moderate
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1616 µg/m³ — Moderate
3535 µg/m³ — Poor
4040 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2626 µg/m³ — Poor
2020 µg/m³ — Moderate
Best months: May–JulWorst months: Aug–Oct
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.

Annual Summary
Sunshine
2,555hrs/yr
Clear sky
43%
Worst month
5.1hrs/day
Vit D months
11.6months
UV 8+ days
200days/yr
UV 11+ days
48days/yr
Jan
Feb
Mar
Apr
May
Jun
9.39.3 hrsSunny
8.78.7 hrsSunny
7.97.9 hrsGood
8.88.8 hrsSunny
9.19.1 hrsSunny
9.49.4 hrsSunny
Jul
Aug
Sep
Oct
Nov
Dec
1010 hrsVery Sunny
1010 hrsVery Sunny
9.89.8 hrsSunny
9.79.7 hrsSunny
9.29.2 hrsSunny
9.29.2 hrsSunny
Best months: Jul–SepWorst months: Feb–Apr
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●