Rio Branco
Brazil · 331K
Lifestyle Calendar
When this city supports your activity — and when it fights you.
Rio Branco
Brazil
Dinner Outside6 – 10 pm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Verdict
Jan: 85% viability
85Feb: 80% viability
80Mar: 87% viability
87Apr: 91% viability
91May: 96% viability
96Jun: 94% viability
94Jul: 99% viability
99Aug: 97% viability
97Sep: 98% viability
98Oct: 94% viability
94Nov: 94% viability
94Dec: 84% viability
84Friction Breakdown
Heat
Cold
Wind
Rain
Humid
Air Q.
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.
Rio Branco
Brazil
Annual Average
ModerateWHO annual classification
23.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
2222 µg/m³ — Moderate
2323 µg/m³ — Moderate
1616 µg/m³ — Moderate
1616 µg/m³ — Moderate
1616 µg/m³ — Moderate
3535 µg/m³ — Poor
4040 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2626 µg/m³ — Poor
2020 µg/m³ — Moderate
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.
Rio Branco
Brazil
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
Jul
Aug
Sep
Oct
Nov
Dec
Daily hrs
9.39.3 hrs — Sunny
8.78.7 hrs — Sunny
7.97.9 hrs — Good
8.88.8 hrs — Sunny
9.19.1 hrs — Sunny
9.49.4 hrs — Sunny
1010 hrs — Very Sunny
1010 hrs — Very Sunny
9.89.8 hrs — Sunny
9.79.7 hrs — Sunny
9.29.2 hrs — Sunny
9.29.2 hrs — Sunny
Jan
Feb
Mar
Apr
May
Jun
9.39.3 hrs — Sunny
8.78.7 hrs — Sunny
7.97.9 hrs — Good
8.88.8 hrs — Sunny
9.19.1 hrs — Sunny
9.49.4 hrs — Sunny
Jul
Aug
Sep
Oct
Nov
Dec
1010 hrs — Very Sunny
1010 hrs — Very Sunny
9.89.8 hrs — Sunny
9.79.7 hrs — Sunny
9.29.2 hrs — Sunny
9.29.2 hrs — Sunny
Best months: Jul–SepWorst months: Feb–Apr
GoodSunnyVery Sunny
Based on ERA5 sunshine data · CAMS UV indexConfidence: ●●●