Porto Seguro in Summer
In summer (December, January and February), Porto Seguro sees average daytime highs around 28°C and overnight lows near 24°C, with 243 mm of rain over about 43 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 28°C. The sky is clear or mostly clear about 38% of the time across summer, and the air most often feels oppressive.
Summer is Porto Seguro's 3rd-best season to visit on our travel score. Porto Seguro 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 Porto Seguro's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 243 mm
- 43 wet days
- Avg wind
- 14 km/h
- Travel score
- 5.6
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Porto Seguro in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Porto Seguro reaches about 28°C and drops to 24°C overnight. The warmest of the three months is February, the coolest December.
How summer really feels in Porto Seguro
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Porto Seguro 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° / 25° | 70 | 14.8 | 12.9 | 5.7 |
| Feb | 28° / 25° | 64 | 14.7 | 12.6 | 5.2 |
| Mar | 28° / 25° | 113 | 18.8 | 12.1 | 5.0 |
| Apr | 27° / 24° | 115 | 18.8 | 11.6 | 5.2 |
| May | 26° / 23° | 96 | 16.8 | 11.2 | 5.8 |
| Jun | 25° / 22° | 73 | 15.6 | 11 | 6.1 |
| Jul | 25° / 22° | 67 | 16.7 | 11.1 | 6.2 |
| Aug | 25° / 22° | 53 | 12.8 | 11.4 | 6.7 |
| Sep | 25° / 22° | 51 | 11.1 | 11.9 | 6.8 |
| Oct | 26° / 23° | 96 | 13.1 | 12.4 | 6.3 |
| Nov | 27° / 24° | 158 | 15.6 | 12.8 | 5.6 |
| Dec | 27° / 24° | 110 | 13.9 | 13 | 5.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 38% of the time across summer.
Chance of precipitation in Summer
Porto Seguro gets around 243 mm of rain over 43 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 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 54 min in early December to 12 h 24 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 6.3 kWh/m².
Is summer a good time to visit Porto Seguro?
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 Porto Seguro for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Porto Seguro in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Porto Seguro sees daytime highs around 28°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 43 days see rain.
Sea temperature near Porto Seguro 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 25°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 | 27 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 26 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 27 | Warm |
| Jun | 26 | Warm |
| Jul | 25 | Warm |
| Aug | 25 | Warm |
| Sep | 25 | Warm |
| Oct | 25 | Warm |
| Nov | 26 | Warm |
| Dec | 26 | Warm |
UV index in Porto Seguro in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Porto Seguro peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (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 | 11 | 8 | 7 | 7 | 9 | 11 | 12 | 14 | 13 |
| 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 | 11 | Extreme |
| May | 8 | Very high |
| Jun | 7 | Very high |
| Jul | 7 | Very high |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Where is Porto Seguro?
Porto Seguro sits at 16.4°S, 39.1°W, 4 m above sea level, in Brazil. The nearest listed city is Santa Cruz Cabrália, 20 km away.
Topography around Porto Seguro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Porto Seguro.
Within 3 km, the terrain around Porto Seguro has only modest variations in elevation — a maximum elevation change of 61 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, large variations in elevation — a maximum elevation change of 761 m.
The land around Porto Seguro is covered by water (46%) within 3 km, water (46%) and trees (38%) within 16 km, and trees (40%), water (33%) and grassland (25%) 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 Porto Seguro (-16.4497°, -39.0647°, elevation 4 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.