Tramandaí in Summer
In summer (December, January and February), Tramandaí sees average daytime highs around 27°C and overnight lows near 21°C, with 341 mm of rain over about 38 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 27°C. The sky is clear or mostly clear about 31% of the time across summer, and the air most often feels oppressive.
Summer is Tramandaí's weakest season of the year to visit on our travel score. For the whole year in context, see Tramandaí's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 341 mm
- 38 wet days
- Avg wind
- 15 km/h
- Travel score
- 6.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Tramandaí in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Tramandaí reaches about 27°C and drops to 21°C overnight. The warmest of the three months is January, the coolest December.
Tramandaí 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° / 21° | 124 | 13.4 | 13.7 | 6.0 |
| Feb | 27° / 21° | 106 | 13.2 | 13.1 | 5.8 |
| Mar | 26° / 20° | 115 | 12.2 | 12.2 | 6.4 |
| Apr | 24° / 18° | 88 | 9.4 | 11.3 | 7.0 |
| May | 21° / 15° | 109 | 9.9 | 10.5 | 6.5 |
| Jun | 19° / 13° | 102 | 9.2 | 10.1 | 6.2 |
| Jul | 18° / 12° | 125 | 9.9 | 10.3 | 6.0 |
| Aug | 19° / 13° | 113 | 10 | 10.9 | 6.3 |
| Sep | 20° / 14° | 138 | 11.3 | 11.8 | 6.0 |
| Oct | 22° / 16° | 152 | 12.6 | 12.7 | 6.2 |
| Nov | 24° / 18° | 108 | 10.8 | 13.5 | 6.8 |
| Dec | 26° / 20° | 111 | 11.5 | 13.9 | 6.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 31% of the time across summer.
Chance of precipitation in Summer
Tramandaí gets around 341 mm of rain over 38 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 15 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 6.2 kWh/m².
Is summer a good time to visit Tramandaí?
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 Tramandaí for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tramandaí in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Tramandaí sees daytime highs around 27°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 38 days see rain.
Sea temperature near Tramandaí 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 16 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 Tramandaí 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 Tramandaí peaks around January 18 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 | 13 | 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 | 13 | 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 Tramandaí 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 Tramandaí 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 Tramandaí?
Tramandaí sits at 30.0°S, 50.1°W, 9 m above sea level, in Brazil. The nearest listed city is Imbé, 1.0 km away.
Topography around Tramandaí
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tramandaí.
Within 3 km, the terrain around Tramandaí has only modest variations in elevation — a maximum elevation change of 22 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, large variations in elevation — a maximum elevation change of 1,050 m.
The land around Tramandaí is covered by water (57%) and artificial surfaces (32%) within 3 km, water (54%) within 16 km, and water (38%), trees (26%) and grassland (20%) 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 Tramandaí (-29.9847°, -50.1336°, elevation 9 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.