Ribeirão da Ilha in Summer
In summer (December, January and February), Ribeirão da Ilha sees average daytime highs around 26°C and overnight lows near 23°C, with 452 mm of rain over about 50 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 24°C in early December to 26°C by late February. The sky is clear or mostly clear about 20% of the time across summer, and the air most often feels oppressive.
Summer is Ribeirão da Ilha's weakest season of the year to visit on our travel score. For the whole year in context, see Ribeirão da Ilha's year-round climate.
- Avg daytime high
- 26°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 452 mm
- 50 wet days
- Avg wind
- 14 km/h
- Travel score
- 5.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Ribeirão da Ilha in Summer
Over the season highs climb from about 24°C in early December to 26°C by late February.
A typical summer day in Ribeirão da Ilha reaches about 26°C and drops to 23°C overnight. The warmest of the three months is February, the coolest December.
Ribeirão da Ilha 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 | 26° / 23° | 175 | 18.6 | 13.6 | 5.3 |
| Feb | 27° / 23° | 152 | 17 | 13 | 5.2 |
| Mar | 26° / 23° | 126 | 16.8 | 12.2 | 5.7 |
| Apr | 24° / 21° | 88 | 11.1 | 11.4 | 6.8 |
| May | 22° / 18° | 117 | 10.4 | 10.6 | 6.6 |
| Jun | 20° / 16° | 97 | 9.1 | 10.3 | 6.4 |
| Jul | 19° / 15° | 85 | 8.9 | 10.4 | 6.3 |
| Aug | 19° / 15° | 88 | 8.9 | 11 | 6.4 |
| Sep | 20° / 17° | 135 | 12.2 | 11.8 | 5.8 |
| Oct | 21° / 19° | 128 | 13.4 | 12.7 | 5.8 |
| Nov | 23° / 20° | 125 | 13.5 | 13.4 | 6.2 |
| Dec | 25° / 22° | 126 | 14.3 | 13.7 | 6.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 20% of the time across summer.
Chance of precipitation in Summer
Ribeirão da Ilha gets around 452 mm of rain over 50 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 13 h 36 min in early December to 12 h 36 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 5.7 kWh/m².
Is summer a good time to visit Ribeirão da Ilha?
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 Ribeirão da Ilha for sightseeing.
What to pack for Ribeirão da Ilha in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ribeirão da Ilha sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 50 days see rain.
Sea temperature near Ribeirão da Ilha in Summer
The nearest coast averages about 25°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 18 km away) is warmest in February at about 26°C and coldest in August near 18°C.
It's comfortable for a long swim from Oct 8 to Jun 8 — about 8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 26 | 25 | 24 | 22 | 20 | 18 | 18 | 19 | 21 | 22 | 24 |
| Comfort | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 25 | Warm |
| Apr | 24 | Refreshing |
| May | 22 | Refreshing |
| Jun | 20 | Cool |
| Jul | 18 | Cool |
| Aug | 18 | Cool |
| Sep | 19 | Cool |
| Oct | 21 | Refreshing |
| Nov | 22 | Refreshing |
| Dec | 24 | Warm |
UV index in Ribeirão da Ilha 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 Ribeirão da Ilha peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 4 (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) | 14 | 13 | 11 | 8 | 5 | 5 | 4 | 6 | 8 | 9 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 5 | High |
| Jun | 5 | Moderate |
| Jul | 4 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 9 | Very high |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Where is Ribeirão da Ilha?
Ribeirão da Ilha sits at 27.7°S, 48.5°W, 2 m above sea level, in Brazil. The nearest listed city is Freguesia do Ribeirao da Ilha, 4.0 km away.
Topography around Ribeirão da Ilha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ribeirão da Ilha.
Within 3 km, the terrain around Ribeirão da Ilha has significant variations in elevation — a maximum elevation change of 529 m around an average of 57 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,038 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,783 m.
The land around Ribeirão da Ilha is covered by trees (52%) and grassland (22%) within 3 km, water (59%) and trees (24%) within 16 km, and trees (48%) and water (41%) 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 Ribeirão da Ilha (-27.6993°, -48.5322°, elevation 2 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.