Terra Boa in Summer
In summer (December, January and February), Terra Boa sees average daytime highs around 30°C and overnight lows near 21°C, with 570 mm of rain over about 55 wet days across the season. It is the warmest 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 22% of the time across summer, and the air most often feels oppressive.
Summer is Terra Boa's weakest season of the year to visit on our travel score. For the whole year in context, see Terra Boa's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 570 mm
- 55 wet days
- Avg wind
- 8 km/h
- Travel score
- 4.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Terra Boa in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Terra Boa reaches about 30°C and drops to 21°C overnight. The warmest of the three months is December, the coolest December.
How summer really feels in Terra Boa
Once humidity and wind are folded in, summer brings about 53 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.
Terra Boa 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° / 21° | 205 | 20.2 | 13.3 | 3.9 |
| Feb | 30° / 21° | 177 | 17.8 | 12.8 | 4.0 |
| Mar | 29° / 20° | 127 | 14.1 | 12.2 | 4.8 |
| Apr | 28° / 18° | 95 | 8.3 | 11.5 | 6.5 |
| May | 24° / 15° | 125 | 8.9 | 10.9 | 7.2 |
| Jun | 23° / 14° | 114 | 7.8 | 10.6 | 7.4 |
| Jul | 23° / 13° | 81 | 6.5 | 10.7 | 7.8 |
| Aug | 26° / 14° | 80 | 6.3 | 11.2 | 7.7 |
| Sep | 28° / 16° | 135 | 8.9 | 11.9 | 6.7 |
| Oct | 29° / 18° | 184 | 13.3 | 12.6 | 5.2 |
| Nov | 29° / 19° | 161 | 13.4 | 13.1 | 4.8 |
| Dec | 30° / 20° | 188 | 16.8 | 13.4 | 4.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 22% of the time across summer.
Chance of precipitation in Summer
Terra Boa gets around 570 mm of rain over 55 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 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 24 min in early December to 12 h 30 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 5.9 kWh/m².
Is summer a good time to visit Terra Boa?
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 reasonable time to visit Terra Boa for sightseeing.
What to pack for Terra Boa in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Terra Boa sees daytime highs around 30°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 55 days see rain.
UV index in Terra Boa 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 Terra Boa peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 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 | 14 | 12 | 9 | 7 | 6 | 5 | 7 | 4 | 11 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | High | Moderate | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Terra Boa 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 Terra Boa is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 7 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) | 8 | 7 | 7 | 8 | 9 | 9 | 10 | 13 | 20 | 12 | 8 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 9 | Good |
| Jun | 9 | Good |
| Jul | 10 | Good |
| Aug | 13 | Moderate |
| Sep | 20 | Moderate |
| Oct | 12 | Moderate |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Terra Boa?
Terra Boa sits at 23.8°S, 52.4°W, 568 m above sea level, in Brazil. The nearest listed city is Cianorte, 20 km away.
Topography around Terra Boa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Terra Boa.
Within 3 km, the terrain around Terra Boa has only modest variations in elevation — a maximum elevation change of 118 m around an average of 536 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 340 m; within 80 km, large variations in elevation — a maximum elevation change of 614 m.
The land around Terra Boa is covered by cropland (39%), trees (29%) and grassland (20%) within 3 km, cropland (71%) and trees (22%) within 16 km, and cropland (67%) 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 Terra Boa (-23.7681°, -52.4442°, elevation 568 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.