Trairão in Spring
In spring (September, October and November), Trairão sees average daytime highs around 33°C and overnight lows near 24°C, with 383 mm of rain over about 53 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 33°C. The sky is clear or mostly clear about 18% of the time across spring, and the air most often feels oppressive.
Spring is Trairão's 2nd-best season to visit on our travel score. For the whole year in context, see Trairão's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 383 mm
- 53 wet days
- Avg wind
- 5 km/h
- Travel score
- 2.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Trairão in Spring
Across spring, daytime highs hold fairly steady around 33°C.
A typical spring day in Trairão reaches about 33°C and drops to 24°C overnight. The warmest of the three months is September, the coolest November.
How spring really feels in Trairão
Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Trairão weather by month
How the three spring months (September, October and November) 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° | 283 | 28 | 12.2 | 2.7 |
| Feb | 30° / 23° | 290 | 26.1 | 12.1 | 2.7 |
| Mar | 30° / 23° | 323 | 29.4 | 12 | 2.7 |
| Apr | 30° / 23° | 298 | 28.7 | 11.9 | 2.6 |
| May | 30° / 23° | 208 | 26.2 | 11.8 | 3.0 |
| Jun | 31° / 23° | 83 | 15.4 | 11.7 | 3.8 |
| Jul | 32° / 23° | 56 | 11.8 | 11.8 | 3.9 |
| Aug | 33° / 23° | 50 | 10.4 | 11.9 | 3.4 |
| Sep | 34° / 24° | 82 | 14.4 | 12 | 2.9 |
| Oct | 33° / 24° | 127 | 17.9 | 12.1 | 2.7 |
| Nov | 32° / 24° | 173 | 20.8 | 12.2 | 2.7 |
| Dec | 31° / 23° | 223 | 25.4 | 12.3 | 2.7 |
Cloud cover in Spring
The sky is clear or mostly clear about 18% of the time across spring.
Chance of precipitation in Spring
Trairão gets around 383 mm of rain over 53 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 5 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 54 min in early September to 12 h 12 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.5 kWh/m².
Hazard calendar for Trairão
In spring, Trairão overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Trairão's rainy season runs November–May, when most of the year's rain falls.
Is spring a good time to visit Trairão?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Trairão.
What to pack for Trairão in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Trairão sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 53 days see rain.
UV index in Trairão in Spring
Clear-sky midday UV across spring 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 Trairão peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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) | 13 | 15 | 15 | 14 | 11 | 10 | 10 | 11 | 10 | 10 | 10 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 10 | Extreme |
| Nov | 10 | Extreme |
| Dec | 11 | Extreme |
Air quality in Trairão in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Trairão is worst in August — around 47 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (June, 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) | 14 | 13 | 13 | 12 | 10 | 9 | 15 | 47 | 47 | 39 | 32 | 20 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Poor | Poor | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 12 | Moderate |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 15 | Moderate |
| Aug | 47 | Poor |
| Sep | 47 | Poor |
| Oct | 39 | Poor |
| Nov | 32 | Moderate |
| Dec | 20 | Moderate |
Where is Trairão?
Trairão sits at 4.6°S, 55.9°W, 79 m above sea level, in Brazil. The nearest listed city is Itaituba, 33 km away.
Topography around Trairão
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Trairão.
Within 3 km, the terrain around Trairão has only modest variations in elevation — a maximum elevation change of 67 m around an average of 75 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 324 m; within 80 km, significant variations in elevation — a maximum elevation change of 424 m.
The land around Trairão is covered by trees (83%) within 3 km, trees (82%) within 16 km, and trees (89%) 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 Trairão (-4.5744°, -55.9436°, elevation 79 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.