Santo Antônio da Patrulha in Summer
In summer (December, January and February), Santo Antônio da Patrulha sees average daytime highs around 28°C and overnight lows near 19°C, with 460 mm of rain over about 47 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 28°C. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels muggy.
Summer is Santo Antônio da Patrulha's weakest season of the year to visit on our travel score. For the whole year in context, see Santo Antônio da Patrulha's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 460 mm
- 47 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Santo Antônio da Patrulha in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Santo Antônio da Patrulha reaches about 28°C and drops to 19°C overnight. The warmest of the three months is January, the coolest December.
Santo Antônio da Patrulha 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 | 28° / 19° | 172 | 16.8 | 13.7 | 5.4 |
| Feb | 28° / 19° | 143 | 16.3 | 13.1 | 5.2 |
| Mar | 27° / 18° | 138 | 14.3 | 12.2 | 6.0 |
| Apr | 24° / 16° | 103 | 11 | 11.3 | 6.7 |
| May | 21° / 13° | 122 | 10.5 | 10.5 | 6.4 |
| Jun | 19° / 11° | 112 | 10 | 10.1 | 6.1 |
| Jul | 19° / 10° | 140 | 11.1 | 10.3 | 6.0 |
| Aug | 21° / 11° | 123 | 10.7 | 10.9 | 6.4 |
| Sep | 21° / 13° | 153 | 12.1 | 11.8 | 6.1 |
| Oct | 23° / 15° | 180 | 14.4 | 12.7 | 6.1 |
| Nov | 25° / 16° | 129 | 12.6 | 13.5 | 6.4 |
| Dec | 27° / 18° | 145 | 14 | 13.9 | 5.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 30% of the time across summer.
Chance of precipitation in Summer
Santo Antônio da Patrulha gets around 460 mm of rain over 47 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 9 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 6.0 kWh/m².
Is summer a good time to visit Santo Antônio da Patrulha?
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 Santo Antônio da Patrulha for sightseeing.
What to pack for Santo Antônio da Patrulha in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Santo Antônio da Patrulha sees daytime highs around 28°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 47 days see rain.
Sea temperature near Santo Antônio da Patrulha in Summer
The nearest coast averages about 24°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 51 km away) is warmest in February at about 25°C and coldest in August near 16°C.
It's comfortable for a long swim from Nov 9 to May 19 — about 6.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 25 | 24 | 23 | 20 | 18 | 16 | 16 | 17 | 19 | 20 | 23 |
| Comfort | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 25 | Warm |
| Mar | 24 | Warm |
| Apr | 23 | Refreshing |
| May | 20 | Refreshing |
| Jun | 18 | Cool |
| Jul | 16 | Cool |
| Aug | 16 | Cool |
| Sep | 17 | Cool |
| Oct | 19 | Cool |
| Nov | 20 | Refreshing |
| Dec | 23 | Refreshing |
UV index in Santo Antônio da Patrulha 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 Santo Antônio da Patrulha peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 | 9 | 11 | 12 |
| Level | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Moderate | Moderate | Very high | Very 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 | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Santo Antônio da Patrulha 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 Santo Antônio da Patrulha is worst in August — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 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 | 8 | 8 | 11 | 15 | 12 | 9 | 8 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 8 | Good |
| Jul | 11 | Good |
| Aug | 15 | Moderate |
| Sep | 12 | Good |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Santo Antônio da Patrulha?
Santo Antônio da Patrulha sits at 29.8°S, 50.5°W, 118 m above sea level, in Brazil. The nearest listed city is Rolante, 19 km away.
Topography around Santo Antônio da Patrulha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Antônio da Patrulha.
Within 3 km, the terrain around Santo Antônio da Patrulha has only modest variations in elevation — a maximum elevation change of 208 m around an average of 76 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 850 m; within 80 km, large variations in elevation — a maximum elevation change of 1,050 m.
The land around Santo Antônio da Patrulha is covered by grassland (51%), trees (27%) and artificial surfaces (20%) within 3 km, grassland (41%) and trees (39%) within 16 km, and trees (38%), water (24%) and grassland (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 Santo Antônio da Patrulha (-29.8175°, -50.5197°, elevation 118 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.