Coari in Winter
In winter (June, July and August), Coari sees average daytime highs around 30°C and overnight lows near 24°C, with 364 mm of rain over about 64 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 30°C. The sky is clear or mostly clear about 24% of the time across winter, and the air most often feels miserable.
Winter is Coari's best season of the year to visit on our travel score. Coari 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 Coari's year-round climate.
- Avg daytime high
- 30°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 364 mm
- 64 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Coari in Winter
Across winter, daytime highs hold fairly steady around 30°C.
A typical winter day in Coari reaches about 30°C and drops to 24°C overnight. The warmest of the three months is August, the coolest June.
How winter really feels in Coari
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.
Coari 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° / 25° | 285 | 28 | 12.2 | 2.8 |
| Feb | 30° / 25° | 275 | 25.2 | 12.1 | 2.8 |
| Mar | 30° / 25° | 334 | 28.7 | 12 | 2.7 |
| Apr | 30° / 25° | 335 | 28.6 | 11.9 | 2.7 |
| May | 30° / 24° | 297 | 29.1 | 11.8 | 2.8 |
| Jun | 30° / 24° | 167 | 25.3 | 11.8 | 3.2 |
| Jul | 30° / 24° | 101 | 20.5 | 11.8 | 3.8 |
| Aug | 31° / 25° | 96 | 18.6 | 11.9 | 3.6 |
| Sep | 32° / 25° | 123 | 21.5 | 12 | 3.0 |
| Oct | 31° / 25° | 163 | 24.7 | 12.1 | 2.8 |
| Nov | 31° / 25° | 211 | 25.7 | 12.2 | 2.7 |
| Dec | 30° / 25° | 256 | 29 | 12.2 | 2.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 24% of the time across winter.
Chance of precipitation in Winter
Coari gets around 364 mm of rain over 64 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 5 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 48 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 4.5 kWh/m².
Is winter a good time to visit Coari?
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 Coari.
What to pack for Coari in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Coari sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 64 days see rain.
UV index in Coari 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 Coari peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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) | 15 | 14 | 15 | 14 | 12 | 10 | 10 | 11 | 10 | 11 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 11 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Coari 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 Coari is worst in September — around 25 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (June, 11 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) | 15 | 15 | 16 | 14 | 11 | 11 | 12 | 23 | 25 | 21 | 19 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 15 | Moderate |
| Mar | 16 | Moderate |
| Apr | 14 | Moderate |
| May | 11 | Good |
| Jun | 11 | Good |
| Jul | 12 | Moderate |
| Aug | 23 | Moderate |
| Sep | 25 | Moderate |
| Oct | 21 | Moderate |
| Nov | 19 | Moderate |
| Dec | 17 | Moderate |
Where is Coari?
Coari sits at 4.1°S, 63.1°W, 42 m above sea level, in Brazil. The nearest listed city is Codajás, 123 km away.
Topography around Coari
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Coari.
Within 3 km, the terrain around Coari has only modest variations in elevation — a maximum elevation change of 43 m around an average of 30 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 58 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.
The land around Coari is covered by water (46%) and trees (33%) within 3 km, trees (64%) and water (30%) within 16 km, and trees (87%) 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 Coari (-4.085°, -63.1414°, elevation 42 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.