Alto Paraíso in Summer
In summer (December, January and February), Alto Paraíso sees average daytime highs around 30°C and overnight lows near 23°C, with 873 mm of rain over about 82 wet days across the season. It is the coldest season of the year 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 Alto Paraíso's 3rd-best season to visit on our travel score. For the whole year in context, see Alto Paraíso's year-round climate.
- Avg daytime high
- 30°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 873 mm
- 82 wet days
- Avg wind
- 5 km/h
- Travel score
- 2.7
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Alto Paraíso in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Alto Paraíso reaches about 30°C and drops to 23°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Alto Paraíso
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.
Alto Paraíso 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° | 311 | 28.2 | 12.5 | 2.7 |
| Feb | 30° / 23° | 291 | 26.4 | 12.3 | 2.7 |
| Mar | 30° / 23° | 292 | 28.8 | 12.1 | 2.7 |
| Apr | 30° / 23° | 201 | 25.2 | 11.8 | 3.0 |
| May | 30° / 22° | 105 | 17.9 | 11.6 | 3.9 |
| Jun | 31° / 21° | 29 | 6.5 | 11.4 | 4.8 |
| Jul | 33° / 21° | 17 | 3.2 | 11.5 | 4.3 |
| Aug | 34° / 22° | 42 | 6.6 | 11.7 | 3.3 |
| Sep | 34° / 23° | 98 | 15.7 | 11.9 | 2.8 |
| Oct | 33° / 23° | 168 | 22.5 | 12.2 | 2.6 |
| Nov | 31° / 23° | 235 | 25 | 12.4 | 2.7 |
| Dec | 30° / 23° | 272 | 27.6 | 12.6 | 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
Alto Paraíso gets around 873 mm of rain over 82 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 Alto Paraíso
In summer, Alto Paraíso overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Alto Paraíso's rainy season runs October–April, when most of the year's rain falls.
Is summer a good time to visit Alto Paraíso?
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 Alto Paraíso.
What to pack for Alto Paraíso in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Alto Paraíso sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 82 days see rain.
UV index in Alto Paraíso in Summer
Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Alto Paraíso peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 15 | 15 | 13 | 10 | 9 | 9 | 5 | 3 | 11 | 13 | 14 |
| 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 | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Extreme |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 5 | High |
| Sep | 3 | Moderate |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Alto Paraíso 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 Alto Paraíso is worst in September — around 101 µg/m³ PM2.5 (unhealthy), about 10.3× the cleanest month (May, 10 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 | 12 | 14 | 11 | 10 | 11 | 15 | 68 | 101 | 41 | 21 | 15 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Unhealthy | Unhealthy | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 12 | Moderate |
| Mar | 14 | Moderate |
| Apr | 11 | Good |
| May | 10 | Good |
| Jun | 11 | Good |
| Jul | 15 | Moderate |
| Aug | 68 | Unhealthy |
| Sep | 101 | Unhealthy |
| Oct | 41 | Poor |
| Nov | 21 | Moderate |
| Dec | 15 | Moderate |
Where is Alto Paraíso?
Alto Paraíso sits at 9.7°S, 63.3°W, 137 m above sea level, in Brazil. The nearest listed city is Ariquemes, 36 km away.
Topography around Alto Paraíso
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alto Paraíso.
Within 3 km, the terrain around Alto Paraíso has only modest variations in elevation — a maximum elevation change of 49 m around an average of 135 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 173 m; within 80 km, significant variations in elevation — a maximum elevation change of 358 m.
The land around Alto Paraíso is covered by grassland (65%) and trees (20%) within 3 km, grassland (60%) and trees (34%) within 16 km, and grassland (52%) and trees (46%) 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 Alto Paraíso (-9.7228°, -63.3102°, elevation 137 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.