Arinos in Winter
In winter (June, July and August), Arinos sees average daytime highs around 29°C and overnight lows near 17°C, with 5 mm of rain over about 1 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 29°C in early June to 32°C by late August. The sky is clear or mostly clear about 66% of the time across winter, and the air most often feels dry.
Winter is Arinos's best season of the year to visit on our travel score. For the whole year in context, see Arinos's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 5 mm
- 1 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Arinos in Winter
Over the season highs climb from about 29°C in early June to 32°C by late August.
A typical winter day in Arinos reaches about 29°C and drops to 17°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Arinos
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.
Arinos 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° / 21° | 163 | 16.4 | 12.8 | 4.0 |
| Feb | 31° / 21° | 119 | 13.6 | 12.5 | 4.1 |
| Mar | 30° / 21° | 150 | 15.4 | 12.1 | 4.2 |
| Apr | 30° / 20° | 51 | 8.1 | 11.7 | 5.2 |
| May | 30° / 19° | 12 | 2.4 | 11.3 | 6.3 |
| Jun | 29° / 17° | 3 | 0.4 | 11.1 | 7.2 |
| Jul | 29° / 16° | 0 | 0.1 | 11.1 | 7.3 |
| Aug | 31° / 17° | 2 | 0.5 | 11.5 | 6.2 |
| Sep | 33° / 20° | 14 | 2.1 | 11.9 | 4.6 |
| Oct | 33° / 22° | 75 | 8.7 | 12.4 | 3.7 |
| Nov | 30° / 21° | 187 | 17.4 | 12.7 | 3.8 |
| Dec | 30° / 21° | 208 | 19 | 12.9 | 3.9 |
Cloud cover in Winter
The sky is clear or mostly clear about 66% of the time across winter.
Chance of precipitation in Winter
Arinos gets around 5 mm of rain over 1 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — 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 06 min in early June to 11 h 42 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 5.0 kWh/m².
Hazard calendar for Arinos
None of Arinos's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Arinos's monsoon runs November–March, when most of the year's rain falls.
Is winter a good time to visit Arinos?
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 reasonable time to visit Arinos for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Arinos in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Arinos sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection.
UV index in Arinos in Winter
Clear-sky midday UV across winter averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arinos peaks around February 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 8 (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) | 15 | 16 | 14 | 12 | 9 | 8 | 8 | 10 | 12 | 13 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Where is Arinos?
Arinos sits at 15.9°S, 46.1°W, 517 m above sea level, in Brazil. The nearest listed city is Urucuia, 46 km away.
Topography around Arinos
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arinos.
Within 3 km, the terrain around Arinos has only modest variations in elevation — a maximum elevation change of 47 m around an average of 514 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 452 m; within 80 km, significant variations in elevation — a maximum elevation change of 541 m.
The land around Arinos is covered by grassland (41%), shrubs (23%) and trees (20%) within 3 km, shrubs (34%), grassland (31%) and trees (27%) within 16 km, and shrubs (37%), grassland (29%) and trees (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 Arinos (-15.9169°, -46.1056°, elevation 517 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.