Rio Branco weather in June
In June, Rio Branco sees average daytime highs of 30°C and overnight lows near 20°C, with 30 mm of rain across 6.8 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 41% of the time in June, and the air most often feels oppressive.
Daylight stretches from about 11 h 30 min at the start of June to 11 h 24 min by month's end. Set against the rest of the year, June is Rio Branco's 3rd-clearest and 8th-windiest month. For the whole year in context, see Rio Branco's year-round climate.
- Daytime high
- 30°
- 7th warmest
- Overnight low
- 20°
- 3rd coldest
- Rainfall
- 30 mm
- 6.8 wet days
- Daylight
- 11 h 24 min
- 5:49 AM – 5:14 PM
- Cloud cover
- 50%
- 3rd clearest
- Wind
- 6 km/h
- 8th windiest
- Solar energy
- 4.34 kWh/m²
- Travel score
- 5.3
- out of 10
Rio Branco is human settlement in Acre, Brazil.
- Founded
- 1882
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Day-to-day highs hold fairly steady near 30°C through the month.
A typical June day in Rio Branco reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, June runs on par with May and about 1°C cooler than July.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 21 |
| 2 | 30 | 21 |
| 3 | 30 | 21 |
| 4 | 30 | 21 |
| 5 | 30 | 21 |
| 6 | 30 | 21 |
| 7 | 30 | 21 |
| 8 | 30 | 21 |
| 9 | 30 | 21 |
| 10 | 30 | 21 |
| 11 | 30 | 21 |
| 12 | 30 | 21 |
| 13 | 30 | 20 |
| 14 | 30 | 20 |
| 15 | 30 | 20 |
| 16 | 30 | 20 |
| 17 | 30 | 20 |
| 18 | 30 | 20 |
| 19 | 30 | 20 |
| 20 | 30 | 20 |
| 21 | 30 | 20 |
| 22 | 31 | 20 |
| 23 | 31 | 20 |
| 24 | 31 | 20 |
| 25 | 31 | 20 |
| 26 | 31 | 20 |
| 27 | 31 | 20 |
| 28 | 31 | 20 |
| 29 | 31 | 20 |
| 30 | 31 | 20 |
How June really feels in Rio Branco
Once humidity and wind are folded in, June averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Rio Branco weather by month
How June compares with the rest of the year at a glance. June is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 23° | 255 | 27.7 | 12.5 | 2.8 |
| Feb | 30° / 23° | 240 | 25 | 12.3 | 2.8 |
| Mar | 30° / 23° | 249 | 27.2 | 12.1 | 2.8 |
| Apr | 30° / 22° | 160 | 22.8 | 11.8 | 3.2 |
| May | 30° / 21° | 76 | 15.4 | 11.5 | 4.3 |
| Jun | 30° / 20° | 30 | 6.8 | 11.4 | 5.3 |
| Jul | 31° / 20° | 21 | 4.2 | 11.5 | 5.1 |
| Aug | 33° / 20° | 38 | 6.3 | 11.7 | 4.0 |
| Sep | 33° / 22° | 76 | 11.9 | 11.9 | 3.2 |
| Oct | 33° / 23° | 137 | 19.5 | 12.2 | 2.8 |
| Nov | 31° / 23° | 199 | 22.9 | 12.5 | 2.8 |
| Dec | 30° / 23° | 246 | 26.3 | 12.6 | 2.9 |
Cloud cover in June
The sky is clear or mostly clear about 41% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 23% of June, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 49 | 50 | 52 | 53 | 55 | 56 | 57 | 59 | 60 | 61 | 63 | 63 | 64 | 64 | 65 | 66 | 66 | 67 | 68 | 70 | 70 | 71 | 71 | 72 | 72 | 73 | 73 | 74 | 74 | 74 |
| Cloudier (%) | 51 | 50 | 48 | 47 | 45 | 44 | 43 | 41 | 40 | 39 | 37 | 37 | 36 | 36 | 35 | 34 | 34 | 33 | 32 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 26 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 50 | 50 |
| 3 | 52 | 48 |
| 4 | 53 | 47 |
| 5 | 55 | 45 |
| 6 | 56 | 44 |
| 7 | 57 | 43 |
| 8 | 59 | 41 |
| 9 | 60 | 40 |
| 10 | 61 | 39 |
| 11 | 63 | 37 |
| 12 | 63 | 37 |
| 13 | 64 | 36 |
| 14 | 64 | 36 |
| 15 | 65 | 35 |
| 16 | 66 | 34 |
| 17 | 66 | 34 |
| 18 | 67 | 33 |
| 19 | 68 | 32 |
| 20 | 70 | 30 |
| 21 | 70 | 30 |
| 22 | 71 | 29 |
| 23 | 71 | 29 |
| 24 | 72 | 28 |
| 25 | 72 | 28 |
| 26 | 73 | 27 |
| 27 | 73 | 27 |
| 28 | 74 | 26 |
| 29 | 74 | 26 |
| 30 | 74 | 26 |
Chance of precipitation in June
Rio Branco gets around 30 mm of rain over 6.8 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 24% and peaks near 36% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 36 | 35 | 34 | 33 | 32 | 31 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 |
| Rain chance (%) | |
|---|---|
| 1 | 36 |
| 2 | 35 |
| 3 | 34 |
| 4 | 33 |
| 5 | 32 |
| 6 | 31 |
| 7 | 29 |
| 8 | 28 |
| 9 | 27 |
| 10 | 26 |
| 11 | 25 |
| 12 | 24 |
| 13 | 23 |
| 14 | 23 |
| 15 | 22 |
| 16 | 21 |
| 17 | 21 |
| 18 | 20 |
| 19 | 20 |
| 20 | 19 |
| 21 | 19 |
| 22 | 19 |
| 23 | 19 |
| 24 | 18 |
| 25 | 18 |
| 26 | 18 |
| 27 | 18 |
| 28 | 18 |
| 29 | 17 |
| 30 | 17 |
Humidity in June
Most of June feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Comfortable (%) | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
| Humid (%) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 |
| Muggy (%) | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 24 | 25 | 25 | 26 | 27 | 28 | 29 | 29 | 30 | 31 |
| Oppressive (%) | 66 | 68 | 69 | 69 | 70 | 69 | 71 | 71 | 72 | 71 | 71 | 72 | 71 | 70 | 69 | 69 | 67 | 67 | 67 | 65 | 64 | 62 | 61 | 60 | 59 | 57 | 56 | 57 | 55 | 54 |
| Miserable (%) | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 2 | 5 | 18 | 66 | 9 |
| 2 | 0 | 2 | 5 | 17 | 68 | 8 |
| 3 | 0 | 2 | 5 | 17 | 69 | 7 |
| 4 | 0 | 2 | 5 | 17 | 69 | 7 |
| 5 | 0 | 2 | 5 | 17 | 70 | 6 |
| 6 | 0 | 3 | 5 | 17 | 69 | 6 |
| 7 | 0 | 2 | 5 | 17 | 71 | 5 |
| 8 | 0 | 2 | 5 | 17 | 71 | 5 |
| 9 | 0 | 2 | 5 | 17 | 72 | 4 |
| 10 | 0 | 2 | 5 | 18 | 71 | 4 |
| 11 | 0 | 2 | 5 | 18 | 71 | 4 |
| 12 | 0 | 2 | 5 | 18 | 72 | 3 |
| 13 | 1 | 2 | 5 | 18 | 71 | 3 |
| 14 | 1 | 2 | 6 | 19 | 70 | 2 |
| 15 | 1 | 2 | 6 | 20 | 69 | 2 |
| 16 | 1 | 2 | 6 | 20 | 69 | 2 |
| 17 | 1 | 2 | 7 | 21 | 67 | 2 |
| 18 | 1 | 2 | 7 | 22 | 67 | 1 |
| 19 | 1 | 2 | 7 | 22 | 67 | 1 |
| 20 | 1 | 2 | 8 | 23 | 65 | 1 |
| 21 | 1 | 2 | 8 | 24 | 64 | 1 |
| 22 | 2 | 2 | 8 | 25 | 62 | 1 |
| 23 | 2 | 2 | 9 | 25 | 61 | 1 |
| 24 | 2 | 2 | 9 | 26 | 60 | 1 |
| 25 | 2 | 2 | 9 | 27 | 59 | 1 |
| 26 | 2 | 2 | 10 | 28 | 57 | 1 |
| 27 | 2 | 2 | 10 | 29 | 56 | 1 |
| 28 | 2 | 2 | 10 | 29 | 57 | 0 |
| 29 | 2 | 3 | 10 | 30 | 55 | 0 |
| 30 | 2 | 3 | 10 | 31 | 54 | 0 |
Wind in June
Winds average 6 km/h in June.
Across June, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
Sunrise & sunset in June
Daylight runs from about 11 h 30 min at the start of June to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over June. Sunrise moves from 5:45 AM to 5:52 AM, and sunset from 5:13 PM to 5:17 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 |
| Sunrise (AM) | 5:45 | 5:45 | 5:45 | 5:46 | 5:46 | 5:46 | 5:47 | 5:47 | 5:47 | 5:47 | 5:48 | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 | 5:51 | 5:51 | 5:51 | 5:51 | 5:51 | 5:52 | 5:52 |
| Sunset (PM) | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:14 | 5:15 | 5:15 | 5:15 | 5:15 | 5:15 | 5:16 | 5:16 | 5:16 | 5:16 | 5:17 | 5:17 | 5:17 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.5 | 5:45 | 5:13 |
| 2 | 11.5 | 5:45 | 5:13 |
| 3 | 11.5 | 5:45 | 5:13 |
| 4 | 11.4 | 5:46 | 5:13 |
| 5 | 11.4 | 5:46 | 5:13 |
| 6 | 11.4 | 5:46 | 5:13 |
| 7 | 11.4 | 5:47 | 5:13 |
| 8 | 11.4 | 5:47 | 5:13 |
| 9 | 11.4 | 5:47 | 5:13 |
| 10 | 11.4 | 5:47 | 5:13 |
| 11 | 11.4 | 5:48 | 5:13 |
| 12 | 11.4 | 5:48 | 5:13 |
| 13 | 11.4 | 5:48 | 5:14 |
| 14 | 11.4 | 5:48 | 5:14 |
| 15 | 11.4 | 5:49 | 5:14 |
| 16 | 11.4 | 5:49 | 5:14 |
| 17 | 11.4 | 5:49 | 5:14 |
| 18 | 11.4 | 5:49 | 5:14 |
| 19 | 11.4 | 5:50 | 5:15 |
| 20 | 11.4 | 5:50 | 5:15 |
| 21 | 11.4 | 5:50 | 5:15 |
| 22 | 11.4 | 5:50 | 5:15 |
| 23 | 11.4 | 5:50 | 5:15 |
| 24 | 11.4 | 5:51 | 5:16 |
| 25 | 11.4 | 5:51 | 5:16 |
| 26 | 11.4 | 5:51 | 5:16 |
| 27 | 11.4 | 5:51 | 5:16 |
| 28 | 11.4 | 5:51 | 5:17 |
| 29 | 11.4 | 5:52 | 5:17 |
| 30 | 11.4 | 5:52 | 5:17 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 4.34 kWh/m².
For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 5.57 kWh/m² in September across the year — June's 4.34 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.2 | Bright |
| 2 | 4.2 | Bright |
| 3 | 4.2 | Bright |
| 4 | 4.2 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.2 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.3 | Bright |
| 13 | 4.3 | Bright |
| 14 | 4.3 | Bright |
| 15 | 4.3 | Bright |
| 16 | 4.3 | Bright |
| 17 | 4.4 | Bright |
| 18 | 4.4 | Bright |
| 19 | 4.4 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.5 | Bright |
Hazard calendar for Rio Branco
None of Rio Branco's seasonal hazards are active in June. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Rio Branco's rainy season runs October–April, when most of the year's rain falls.
Is June a good time to visit Rio Branco?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Rio Branco for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rio Branco in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Rio Branco sees daytime highs around 30°C and nights near 20°C. Pack light clothes. About 7 days see rain.
UV index in Rio Branco in June
Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rio Branco peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 5 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 15 | 14 | 13 | 11 | 9 | 8 | 7 | 4 | 12 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Rio Branco in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Rio Branco is worst in September — around 100 µg/m³ PM2.5 (unhealthy), about 12.4× the cleanest month (June, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 13 | 13 | 10 | 8 | 8 | 14 | 65 | 100 | 27 | 13 | 11 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Unhealthy | Unhealthy | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 10 | Good |
| May | 8 | Good |
| Jun | 8 | Good |
| Jul | 14 | Moderate |
| Aug | 65 | Unhealthy |
| Sep | 100 | Unhealthy |
| Oct | 27 | Moderate |
| Nov | 13 | Moderate |
| Dec | 11 | Good |
Where is Rio Branco?
Rio Branco sits at 10.0°S, 67.8°W, 153 m above sea level, in Brazil. The nearest listed city is Senador Guiomard, 21 km away.
Topography around Rio Branco
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rio Branco.
Within 3 km, the terrain around Rio Branco has only modest variations in elevation — a maximum elevation change of 50 m around an average of 142 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 103 m; within 80 km, only modest variations in elevation — a maximum elevation change of 165 m.
The land around Rio Branco is covered by artificial surfaces (54%) and trees (33%) within 3 km, trees (46%) and grassland (46%) within 16 km, and trees (61%) and grassland (38%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Rio Branco (-9.9747°, -67.81°, elevation 153 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).