Rorainópolis in Winter
In winter (December, January and February), Rorainópolis sees average daytime highs around 31°C and overnight lows near 23°C, with 386 mm of rain over about 48 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Across winter, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 7% of the time across winter, and the air most often feels oppressive.
Winter is Rorainópolis's best season of the year to visit on our travel score. Rorainópolis 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 Rorainópolis's year-round climate.
- Avg daytime high
- 31°C
- 2nd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 386 mm
- 48 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.6
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Rorainópolis in Winter
Across winter, daytime highs hold fairly steady around 31°C.
A typical winter day in Rorainópolis reaches about 31°C and drops to 23°C overnight. The warmest of the three months is February, the coolest December.
How winter really feels in Rorainópolis
Once humidity and wind are folded in, winter brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Rorainópolis weather by month
How the three winter 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 | 31° / 23° | 117 | 15 | 12 | 3.8 |
| Feb | 31° / 24° | 108 | 13.2 | 12 | 3.7 |
| Mar | 31° / 24° | 184 | 18.1 | 12 | 3.5 |
| Apr | 30° / 23° | 348 | 24.7 | 12 | 3.1 |
| May | 29° / 23° | 456 | 29.4 | 12 | 2.9 |
| Jun | 29° / 23° | 341 | 28.4 | 12.1 | 2.9 |
| Jul | 29° / 22° | 248 | 28.2 | 12 | 3.1 |
| Aug | 30° / 23° | 185 | 25.1 | 12 | 3.2 |
| Sep | 32° / 23° | 147 | 20.6 | 12 | 3.1 |
| Oct | 32° / 23° | 129 | 18.5 | 12 | 3.2 |
| Nov | 31° / 23° | 161 | 20.4 | 12 | 3.1 |
| Dec | 31° / 23° | 161 | 19.9 | 11.9 | 3.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 7% of the time across winter.
Chance of precipitation in Winter
Rorainópolis gets around 386 mm of rain over 48 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 7 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 54 min in early December to 12 hours by late February. 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 4.8 kWh/m².
Hazard calendar for Rorainópolis
None of Rorainópolis's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Rorainópolis's rainy season runs April–July, when most of the year's rain falls.
Is winter a good time to visit Rorainópolis?
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 a weaker month for outdoor sightseeing in Rorainópolis.
What to pack for Rorainópolis in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Rorainópolis sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 48 days see rain.
UV index in Rorainópolis in Winter
Clear-sky midday UV across winter 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 Rorainópolis peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 10 (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) | 14 | 14 | 15 | 15 | 12 | 11 | 11 | 11 | 12 | 11 | 10 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Very high |
| Dec | 11 | Extreme |
Air quality in Rorainópolis 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 Rorainópolis is worst in March — around 33 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (July, 9 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) | 20 | 24 | 33 | 25 | 11 | 9 | 9 | 11 | 12 | 14 | 16 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 24 | Moderate |
| Mar | 33 | Moderate |
| Apr | 25 | Moderate |
| May | 11 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 11 | Good |
| Sep | 12 | Good |
| Oct | 14 | Moderate |
| Nov | 16 | Moderate |
| Dec | 14 | Moderate |
Where is Rorainópolis?
Rorainópolis sits at 0.9°N, 60.4°W, 82 m above sea level, in Brazil. The nearest listed city is Caracaraí, 125 km away.
Topography around Rorainópolis
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rorainópolis.
Within 3 km, the terrain around Rorainópolis has only modest variations in elevation — a maximum elevation change of 49 m around an average of 87 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 226 m; within 80 km, large variations in elevation — a maximum elevation change of 858 m.
The land around Rorainópolis is covered by grassland (46%) and trees (45%) within 3 km, trees (66%) and grassland (34%) within 16 km, and trees (81%) 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 Rorainópolis (0.9461°, -60.4181°, elevation 82 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.