Butiá in Summer
In summer (December, January and February), Butiá sees average daytime highs around 30°C and overnight lows near 20°C, with 381 mm of rain over about 38 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 33% of the time across summer, and the air most often feels muggy.
Summer is Butiá's weakest season of the year to visit on our travel score. For the whole year in context, see Butiá's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 381 mm
- 38 wet days
- Avg wind
- 10 km/h
- Travel score
- 4.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Butiá in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Butiá reaches about 30°C and drops to 20°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Butiá
Once humidity and wind are folded in, summer brings about 7 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.
Butiá 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° / 20° | 130 | 13.9 | 13.7 | 4.5 |
| Feb | 30° / 20° | 125 | 12.5 | 13.1 | 4.7 |
| Mar | 28° / 19° | 108 | 10.8 | 12.2 | 5.8 |
| Apr | 25° / 16° | 114 | 9.2 | 11.3 | 6.9 |
| May | 21° / 13° | 114 | 8.8 | 10.5 | 6.7 |
| Jun | 19° / 11° | 126 | 9.3 | 10.1 | 6.1 |
| Jul | 19° / 10° | 148 | 10.2 | 10.3 | 6.0 |
| Aug | 21° / 11° | 120 | 10 | 10.9 | 6.5 |
| Sep | 22° / 13° | 152 | 11.3 | 11.8 | 6.3 |
| Oct | 24° / 15° | 178 | 12.2 | 12.7 | 6.4 |
| Nov | 27° / 17° | 124 | 10.3 | 13.5 | 6.4 |
| Dec | 29° / 19° | 126 | 11.5 | 13.9 | 5.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 33% of the time across summer.
Chance of precipitation in Summer
Butiá gets around 381 mm of rain over 38 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 48 min in early December to 12 h 42 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 6.1 kWh/m².
Is summer a good time to visit Butiá?
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 Butiá for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Butiá in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Butiá sees daytime highs around 30°C and nights near 20°C. Pack light clothes and sun protection. Worth having: rain gear. About 38 days see rain.
UV index in Butiá in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Butiá peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (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) | 13 | 12 | 10 | 7 | 4 | 3 | 4 | 5 | 8 | 7 | 11 | 12 |
| Level | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Moderate | Moderate | Very high | High | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 7 | Very high |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Butiá 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 Butiá is worst in August — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 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) | 12 | 11 | 12 | 15 | 17 | 17 | 19 | 20 | 19 | 13 | 12 | 10 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 11 | Good |
| Mar | 12 | Good |
| Apr | 15 | Moderate |
| May | 17 | Moderate |
| Jun | 17 | Moderate |
| Jul | 19 | Moderate |
| Aug | 20 | Moderate |
| Sep | 19 | Moderate |
| Oct | 13 | Moderate |
| Nov | 12 | Good |
| Dec | 10 | Good |
Where is Butiá?
Butiá sits at 30.1°S, 52.0°W, 71 m above sea level, in Brazil. The nearest listed city is São Jerônimo, 29 km away.
Topography around Butiá
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Butiá.
Within 3 km, the terrain around Butiá has only modest variations in elevation — a maximum elevation change of 163 m around an average of 71 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 304 m; within 80 km, large variations in elevation — a maximum elevation change of 631 m.
The land around Butiá is covered by trees (38%) and grassland (28%) within 3 km, trees (37%), grassland (34%) and cropland (27%) within 16 km, and trees (49%), cropland (23%) and grassland (22%) 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 Butiá (-30.1197°, -51.9622°, elevation 71 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.