Boca do Acre in Summer
In summer (December, January and February), Boca do Acre sees average daytime highs around 30°C and overnight lows near 23°C, with 801 mm of rain over about 81 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels oppressive.
Summer is Boca do Acre's weakest season of the year to visit on our travel score. For the whole year in context, see Boca do Acre's year-round climate.
- Avg daytime high
- 30°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 801 mm
- 81 wet days
- Avg wind
- 5 km/h
- Travel score
- 2.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Boca do Acre in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Boca do Acre reaches about 30°C and drops to 23°C overnight. The warmest of the three months is December, the coolest January.
How summer really feels in Boca do Acre
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Boca do Acre weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 23° | 268 | 27.9 | 12.5 | 2.8 |
| Feb | 30° / 23° | 265 | 25.6 | 12.3 | 2.8 |
| Mar | 30° / 23° | 274 | 28.5 | 12.1 | 2.7 |
| Apr | 30° / 23° | 198 | 25 | 11.8 | 3.0 |
| May | 30° / 22° | 117 | 19.6 | 11.6 | 3.9 |
| Jun | 30° / 22° | 49 | 10.5 | 11.5 | 5.1 |
| Jul | 30° / 21° | 33 | 6.3 | 11.5 | 5.6 |
| Aug | 31° / 22° | 50 | 8.7 | 11.7 | 4.6 |
| Sep | 32° / 23° | 98 | 15.5 | 11.9 | 3.5 |
| Oct | 32° / 23° | 162 | 21.9 | 12.2 | 3.0 |
| Nov | 31° / 23° | 217 | 24.5 | 12.4 | 2.8 |
| Dec | 30° / 23° | 268 | 27.8 | 12.5 | 2.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Boca do Acre gets around 801 mm of rain over 81 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 30 min in early December to 12 h 12 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.6 kWh/m².
Hazard calendar for Boca do Acre
In summer, Boca do Acre overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Boca do Acre's rainy season runs October–April, when most of the year's rain falls.
Is summer a good time to visit Boca do Acre?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Boca do Acre.
What to pack for Boca do Acre in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Boca do Acre sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 81 days see rain.
UV index in Boca do Acre in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Boca do Acre peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 9 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 | 15 | 13 | 11 | 9 | 9 | 5 | 5 | 12 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 5 | Moderate |
| Sep | 5 | Moderate |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Boca do Acre in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Boca do Acre is worst in September — around 110 µg/m³ PM2.5 (unhealthy), about 13.6× 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 | 11 | 9 | 8 | 15 | 87 | 110 | 28 | 14 | 12 |
| 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 | 11 | Good |
| May | 9 | Good |
| Jun | 8 | Good |
| Jul | 15 | Moderate |
| Aug | 87 | Unhealthy |
| Sep | 110 | Unhealthy |
| Oct | 28 | Moderate |
| Nov | 14 | Moderate |
| Dec | 12 | Good |
Where is Boca do Acre?
Boca do Acre sits at 8.8°S, 67.4°W, 107 m above sea level, in Brazil. The nearest listed city is Porto Acre, 94 km away.
Topography around Boca do Acre
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Boca do Acre.
Within 3 km, the terrain around Boca do Acre has only modest variations in elevation — a maximum elevation change of 76 m around an average of 118 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 92 m; within 80 km, only modest variations in elevation — a maximum elevation change of 140 m.
The land around Boca do Acre is covered by trees (71%) within 3 km, trees (79%) within 16 km, and trees (88%) 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 Boca do Acre (-8.7522°, -67.3978°, elevation 107 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.