Porto Franco in Winter
In winter (June, July and August), Porto Franco sees average daytime highs around 34°C and overnight lows near 22°C, with 12 mm of rain over about 3 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 33°C in early June to 35°C by late August. The sky is clear or mostly clear about 68% of the time across winter, and the air most often feels muggy.
Winter is Porto Franco's best season of the year to visit on our travel score. For the whole year in context, see Porto Franco's year-round climate.
- Avg daytime high
- 34°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 12 mm
- 3 wet days
- Avg wind
- 9 km/h
- Travel score
- 3.8
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Porto Franco in Winter
Over the season highs climb from about 33°C in early June to 35°C by late August.
A typical winter day in Porto Franco reaches about 34°C and drops to 22°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Porto Franco
Once humidity and wind are folded in, winter brings about 92 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.
Porto Franco 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 | 30° / 23° | 211 | 25.8 | 12.3 | 2.9 |
| Feb | 30° / 23° | 213 | 24.6 | 12.2 | 2.8 |
| Mar | 31° / 23° | 229 | 26.9 | 12 | 2.8 |
| Apr | 31° / 23° | 152 | 20.9 | 11.9 | 3.2 |
| May | 32° / 23° | 75 | 11.6 | 11.7 | 3.9 |
| Jun | 33° / 22° | 6 | 1.5 | 11.6 | 4.2 |
| Jul | 34° / 22° | 4 | 0.6 | 11.7 | 4.0 |
| Aug | 35° / 22° | 2 | 0.4 | 11.8 | 3.3 |
| Sep | 35° / 23° | 14 | 2.4 | 12 | 3.2 |
| Oct | 34° / 24° | 50 | 8.5 | 12.1 | 3.3 |
| Nov | 32° / 23° | 115 | 15.9 | 12.3 | 3.3 |
| Dec | 31° / 23° | 153 | 21 | 12.4 | 3.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 68% of the time across winter.
Chance of precipitation in Winter
Porto Franco gets around 12 mm of rain over 3 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 9 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 42 min in early June to 11 h 54 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 5.5 kWh/m².
Hazard calendar for Porto Franco
None of Porto Franco's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Porto Franco's monsoon runs November–April, when most of the year's rain falls.
Is winter a good time to visit Porto Franco?
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 Porto Franco. The water and warmth also suit a beach or pool day.
What to pack for Porto Franco in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Porto Franco sees daytime highs around 34°C and nights near 22°C. Pack light clothes and sun protection.
UV index in Porto Franco in Winter
Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Porto Franco peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 | 15 | 15 | 13 | 11 | 10 | 10 | 11 | 12 | 12 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Extreme |
Air quality in Porto Franco 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 Porto Franco is worst in September — around 25 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (June, 6 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) | 13 | 13 | 12 | 12 | 9 | 6 | 8 | 17 | 25 | 25 | 22 | 17 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 12 | Moderate |
| Apr | 12 | Good |
| May | 9 | Good |
| Jun | 6 | Good |
| Jul | 8 | Good |
| Aug | 17 | Moderate |
| Sep | 25 | Moderate |
| Oct | 25 | Moderate |
| Nov | 22 | Moderate |
| Dec | 17 | Moderate |
Where is Porto Franco?
Porto Franco sits at 6.3°S, 47.4°W, 165 m above sea level, in Brazil. The nearest listed city is Tocantinópolis, 2.0 km away.
Topography around Porto Franco
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Porto Franco.
Within 3 km, the terrain around Porto Franco has only modest variations in elevation — a maximum elevation change of 66 m around an average of 152 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 180 m; within 80 km, significant variations in elevation — a maximum elevation change of 557 m.
The land around Porto Franco is covered by trees (36%) and grassland (29%) within 3 km, trees (50%) and grassland (43%) within 16 km, and trees (47%) and grassland (47%) 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 Porto Franco (-6.3383°, -47.3992°, elevation 165 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.