Itabaianinha in Summer
In summer (December, January and February), Itabaianinha sees average daytime highs around 31°C and overnight lows near 23°C, with 136 mm of rain over about 36 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 31°C. The sky is clear or mostly clear about 32% of the time across summer, and the air most often feels oppressive.
Summer is Itabaianinha's weakest season of the year to visit on our travel score. For the whole year in context, see Itabaianinha's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 136 mm
- 36 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Itabaianinha in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Itabaianinha reaches about 31°C and drops to 23°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Itabaianinha
Once humidity and wind are folded in, summer brings about 90 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.
Itabaianinha 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 | 32° / 23° | 51 | 12.8 | 12.6 | 4.0 |
| Feb | 31° / 23° | 50 | 13.6 | 12.4 | 3.8 |
| Mar | 31° / 23° | 54 | 15.4 | 12.1 | 3.8 |
| Apr | 30° / 23° | 73 | 17 | 11.8 | 4.0 |
| May | 29° / 22° | 92 | 20.3 | 11.5 | 4.5 |
| Jun | 27° / 21° | 89 | 21.6 | 11.4 | 4.8 |
| Jul | 26° / 20° | 74 | 20.9 | 11.4 | 5.1 |
| Aug | 27° / 20° | 64 | 19.5 | 11.6 | 5.3 |
| Sep | 28° / 21° | 46 | 14.9 | 11.9 | 5.5 |
| Oct | 29° / 22° | 36 | 10.1 | 12.3 | 5.3 |
| Nov | 31° / 23° | 39 | 9.4 | 12.5 | 4.8 |
| Dec | 31° / 23° | 35 | 9.1 | 12.6 | 4.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 32% of the time across summer.
Chance of precipitation in Summer
Itabaianinha gets around 136 mm of rain over 36 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 11 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 6.2 kWh/m².
Is summer a good time to visit Itabaianinha?
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 Itabaianinha for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Itabaianinha in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Itabaianinha sees daytime highs around 31°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 36 days see rain.
Sea temperature near Itabaianinha 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 47 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 Itabaianinha 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 Itabaianinha peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 | 13 | 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 | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Where is Itabaianinha?
Itabaianinha sits at 11.3°S, 37.8°W, 223 m above sea level, in Brazil. The nearest listed city is Umbaúba, 19 km away.
Topography around Itabaianinha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Itabaianinha.
Within 3 km, the terrain around Itabaianinha has only modest variations in elevation — a maximum elevation change of 121 m around an average of 174 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 329 m; within 80 km, large variations in elevation — a maximum elevation change of 653 m.
The land around Itabaianinha is covered by grassland (67%) within 3 km, grassland (80%) within 16 km, and grassland (53%) 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 Itabaianinha (-11.2739°, -37.79°, elevation 223 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.