São Luiz Gonzaga in Summer
In summer (December, January and February), São Luiz Gonzaga sees average daytime highs around 31°C and overnight lows near 20°C, with 505 mm of rain over about 38 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 42% of the time across summer, and the air most often feels muggy.
Summer is São Luiz Gonzaga's weakest season of the year to visit on our travel score. For the whole year in context, see São Luiz Gonzaga's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 505 mm
- 38 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.4
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in São Luiz Gonzaga in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in São Luiz Gonzaga reaches about 31°C and drops to 20°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in São Luiz Gonzaga
Once humidity and wind are folded in, summer brings about 59 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.
São Luiz Gonzaga 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 | 31° / 21° | 178 | 13.4 | 13.6 | 4.1 |
| Feb | 31° / 20° | 151 | 12.8 | 13 | 4.4 |
| Mar | 29° / 19° | 136 | 11.2 | 12.2 | 5.2 |
| Apr | 26° / 16° | 176 | 10.1 | 11.3 | 6.7 |
| May | 23° / 13° | 141 | 9 | 10.6 | 6.9 |
| Jun | 21° / 12° | 138 | 9.9 | 10.2 | 6.4 |
| Jul | 20° / 11° | 157 | 9.6 | 10.4 | 6.5 |
| Aug | 22° / 12° | 109 | 8.8 | 11 | 7.1 |
| Sep | 24° / 14° | 165 | 10.3 | 11.8 | 7.0 |
| Oct | 26° / 16° | 235 | 12.5 | 12.7 | 6.3 |
| Nov | 29° / 18° | 172 | 10.2 | 13.4 | 5.8 |
| Dec | 31° / 20° | 176 | 11.3 | 13.8 | 4.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 42% of the time across summer.
Chance of precipitation in Summer
São Luiz Gonzaga gets around 505 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 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 42 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 6.4 kWh/m².
Is summer a good time to visit São Luiz Gonzaga?
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 São Luiz Gonzaga for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for São Luiz Gonzaga in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, São Luiz Gonzaga sees daytime highs around 31°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 38 days see rain.
UV index in São Luiz Gonzaga in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in São Luiz Gonzaga peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (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) | 14 | 13 | 11 | 8 | 5 | 4 | 4 | 5 | 8 | 7 | 11 | 12 |
| Level | Extreme | Extreme | Extreme | Very high | Moderate | Moderate | Moderate | Moderate | Very high | High | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 5 | Moderate |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Where is São Luiz Gonzaga?
São Luiz Gonzaga sits at 28.4°S, 55.0°W, 264 m above sea level, in Brazil. The nearest listed city is Santo Ângelo, 69 km away.
Topography around São Luiz Gonzaga
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Luiz Gonzaga.
Within 3 km, the terrain around São Luiz Gonzaga has only modest variations in elevation — a maximum elevation change of 97 m around an average of 217 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 210 m; within 80 km, significant variations in elevation — a maximum elevation change of 399 m.
The land around São Luiz Gonzaga is covered by trees (32%) and cropland (31%) within 3 km, cropland (57%) and grassland (23%) within 16 km, and cropland (43%), grassland (32%) and trees (23%) 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 São Luiz Gonzaga (-28.4083°, -54.9608°, elevation 264 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.