Aracaju in Summer
In summer (December, January and February), Aracaju sees average daytime highs around 27°C and overnight lows near 25°C, with 145 mm of rain over about 39 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 53% of the time across summer, and the air most often feels oppressive.
Summer is Aracaju's 2nd-best season to visit on our travel score. Aracaju 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 Aracaju's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 145 mm
- 39 wet days
- Avg wind
- 20 km/h
- Travel score
- 6.2
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Aracaju in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Aracaju reaches about 27°C and drops to 25°C overnight. The warmest of the three months is February, the coolest December.
Aracaju 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 | 27° / 25° | 52 | 14.1 | 12.6 | 6.2 |
| Feb | 27° / 26° | 64 | 16.1 | 12.4 | 5.6 |
| Mar | 27° / 26° | 77 | 17.9 | 12.1 | 5.6 |
| Apr | 27° / 26° | 131 | 20.3 | 11.8 | 5.1 |
| May | 27° / 25° | 186 | 23.5 | 11.5 | 4.8 |
| Jun | 26° / 24° | 167 | 24.1 | 11.4 | 4.8 |
| Jul | 25° / 24° | 138 | 24.1 | 11.4 | 5.0 |
| Aug | 25° / 23° | 103 | 22.4 | 11.6 | 5.3 |
| Sep | 25° / 24° | 67 | 17.4 | 11.9 | 6.0 |
| Oct | 26° / 24° | 60 | 14.1 | 12.2 | 6.5 |
| Nov | 26° / 25° | 41 | 11.1 | 12.5 | 6.8 |
| Dec | 27° / 25° | 30 | 9.2 | 12.6 | 6.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 53% of the time across summer.
Chance of precipitation in Summer
Aracaju gets around 145 mm of rain over 39 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 20 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 36 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 6.5 kWh/m².
Hazard calendar for Aracaju
None of Aracaju's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Aracaju's rainy season runs April–August, when most of the year's rain falls.
Is summer a good time to visit Aracaju?
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 Aracaju for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Aracaju in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Aracaju sees daytime highs around 27°C and nights near 25°C. Pack light clothes, rain gear and sun protection. Worth having: a windbreaker. About 39 days see rain.
Sea temperature near Aracaju in Summer
The nearest coast averages about 27°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 22 km away) is warmest in April at about 28°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) | 27 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 |
| Comfort | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 28 | Tropical |
| Apr | 28 | Tropical |
| May | 28 | Warm |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 26 | Warm |
| Sep | 26 | Warm |
| Oct | 26 | Warm |
| Nov | 26 | Warm |
| Dec | 27 | Warm |
UV index in Aracaju 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 Aracaju peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 9 (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) | 13 | 15 | 14 | 13 | 10 | 9 | 9 | 10 | 12 | 12 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Where is Aracaju?
Aracaju sits at 10.9°S, 37.1°W, 11 m above sea level, in Brazil. The nearest listed city is Barra dos Coqueiros, 4.0 km away.
Topography around Aracaju
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aracaju.
Within 3 km, the terrain around Aracaju has only modest variations in elevation — a maximum elevation change of 69 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 163 m; within 80 km, large variations in elevation — a maximum elevation change of 694 m.
The land around Aracaju is covered by artificial surfaces (77%) within 3 km, water (30%), grassland (26%) and trees (20%) within 16 km, and grassland (44%) and water (30%) 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 Aracaju (-10.9111°, -37.0717°, elevation 11 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.