São Luís do Quitunde in Summer
In summer (December, January and February), São Luís do Quitunde sees average daytime highs around 29°C and overnight lows near 24°C, with 156 mm of rain over about 46 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 29°C. The sky is clear or mostly clear about 43% of the time across summer, and the air most often feels oppressive.
Summer is São Luís do Quitunde's 2nd-best season to visit on our travel score. São Luís do Quitunde has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see São Luís do Quitunde's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 156 mm
- 46 wet days
- Avg wind
- 13 km/h
- Travel score
- 5.0
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in São Luís do Quitunde in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in São Luís do Quitunde reaches about 29°C and drops to 24°C overnight. The warmest of the three months is February, the coolest December.
How summer really feels in São Luís do Quitunde
Once humidity and wind are folded in, summer brings about 6 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 Luís do Quitunde 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 | 29° / 24° | 59 | 17.1 | 12.5 | 4.9 |
| Feb | 29° / 24° | 64 | 16.5 | 12.3 | 4.6 |
| Mar | 29° / 25° | 83 | 20.1 | 12.1 | 4.5 |
| Apr | 28° / 24° | 109 | 21.2 | 11.8 | 4.4 |
| May | 27° / 24° | 149 | 24 | 11.6 | 4.5 |
| Jun | 26° / 23° | 166 | 25 | 11.5 | 4.4 |
| Jul | 26° / 22° | 153 | 25.6 | 11.5 | 4.6 |
| Aug | 26° / 22° | 96 | 22.2 | 11.7 | 5.1 |
| Sep | 26° / 22° | 62 | 17.9 | 11.9 | 5.6 |
| Oct | 27° / 23° | 46 | 15.3 | 12.2 | 6.0 |
| Nov | 28° / 24° | 33 | 12.1 | 12.4 | 5.9 |
| Dec | 29° / 24° | 33 | 12.4 | 12.5 | 5.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 43% of the time across summer.
Chance of precipitation in Summer
São Luís do Quitunde gets around 156 mm of rain over 46 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 13 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 6.2 kWh/m².
Hazard calendar for São Luís do Quitunde
None of São Luís do Quitunde's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
São Luís do Quitunde's rainy season runs March–August, when most of the year's rain falls.
Is summer a good time to visit São Luís do Quitunde?
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 Luís do Quitunde for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for São Luís do Quitunde in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, São Luís do Quitunde sees daytime highs around 29°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 46 days see rain.
Sea temperature near São Luís do Quitunde in Summer
The nearest coast averages about 28°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 21 km away) is warmest in April at about 29°C and coldest in August near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 27 | 27 | 27 |
| Comfort | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 26 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 27 | Warm |
| Dec | 27 | Warm |
UV index in São Luís do Quitunde 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 Luís do Quitunde peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).
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 | 14 | 15 | 13 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Where is São Luís do Quitunde?
São Luís do Quitunde sits at 9.3°S, 35.6°W, 7 m above sea level, in Brazil. The nearest listed city is Barra de Santo Antônio, 11 km away.
Topography around São Luís do Quitunde
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Luís do Quitunde.
Within 3 km, the terrain around São Luís do Quitunde has only modest variations in elevation — a maximum elevation change of 98 m around an average of 24 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 267 m; within 80 km, large variations in elevation — a maximum elevation change of 814 m.
The land around São Luís do Quitunde is covered by grassland (52%) and trees (26%) within 3 km, grassland (40%) and trees (34%) within 16 km, and grassland (44%) and water (32%) 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 Luís do Quitunde (-9.3183°, -35.5611°, elevation 7 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.