Rosana in Winter
In winter (June, July and August), Rosana sees average daytime highs around 26°C and overnight lows near 17°C, with 144 mm of rain over about 15 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 25°C in early June to 28°C by late August. The sky is clear or mostly clear about 57% of the time across winter, and the air most often feels comfortable.
Winter is Rosana's best season of the year to visit on our travel score. For the whole year in context, see Rosana's year-round climate.
- Avg daytime high
- 26°C
- coldest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 144 mm
- 15 wet days
- Avg wind
- 10 km/h
- Travel score
- 7.8
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Rosana in Winter
Over the season highs climb from about 25°C in early June to 28°C by late August.
A typical winter day in Rosana reaches about 26°C and drops to 17°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Rosana
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Rosana weather by month
How the three winter months (June, July and August) 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 | 31° / 24° | 188 | 19.7 | 13.2 | 3.4 |
| Feb | 31° / 23° | 160 | 17.6 | 12.8 | 3.5 |
| Mar | 31° / 23° | 127 | 15.1 | 12.2 | 4.2 |
| Apr | 29° / 21° | 69 | 7.6 | 11.5 | 5.9 |
| May | 26° / 18° | 89 | 7.6 | 10.9 | 7.3 |
| Jun | 25° / 17° | 59 | 6.1 | 10.6 | 7.8 |
| Jul | 25° / 16° | 43 | 4.9 | 10.8 | 8.0 |
| Aug | 27° / 17° | 43 | 4.4 | 11.2 | 7.7 |
| Sep | 29° / 19° | 85 | 7.9 | 11.9 | 6.0 |
| Oct | 30° / 21° | 130 | 13.2 | 12.5 | 4.6 |
| Nov | 31° / 22° | 131 | 13.3 | 13.1 | 4.3 |
| Dec | 31° / 23° | 165 | 17.2 | 13.4 | 3.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 57% of the time across winter.
Chance of precipitation in Winter
Rosana gets around 144 mm of rain over 15 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 10 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 42 min in early June to 11 h 30 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.9 kWh/m².
Hazard calendar for Rosana
None of Rosana's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Rosana's rainy season runs September–March, when most of the year's rain falls.
Is winter a good time to visit Rosana?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Rosana for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rosana in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Rosana sees daytime highs around 26°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 15 days see rain.
UV index in Rosana in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rosana peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 14 | 13 | 10 | 7 | 6 | 6 | 8 | 3 | 11 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | Very high | High | High | Very high | Moderate | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Very high |
| May | 7 | Very high |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 3 | Moderate |
| Oct | 11 | Extreme |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in Rosana in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Rosana is worst in September — around 35 µg/m³ PM2.5 (moderate), about 6.4× the cleanest month (March, 5 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 | 5 | 6 | 7 | 7 | 7 | 11 | 35 | 13 | 9 | 6 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 7 | Good |
| Mar | 5 | Good |
| Apr | 6 | Good |
| May | 7 | Good |
| Jun | 7 | Good |
| Jul | 7 | Good |
| Aug | 11 | Good |
| Sep | 35 | Moderate |
| Oct | 13 | Moderate |
| Nov | 9 | Good |
| Dec | 6 | Good |
Where is Rosana?
Rosana sits at 22.6°S, 53.1°W, 285 m above sea level, in Brazil. The nearest listed city is Taquarussu, 32 km away.
Topography around Rosana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rosana.
Within 3 km, the terrain around Rosana has only modest variations in elevation — a maximum elevation change of 73 m around an average of 251 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 178 m; within 80 km, significant variations in elevation — a maximum elevation change of 394 m.
The land around Rosana is covered by grassland (52%), trees (21%) and water (21%) within 3 km, grassland (51%) within 16 km, and grassland (42%) and cropland (35%) 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 Rosana (-22.5797°, -53.0592°, elevation 285 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.