Tucuruí in Summer
In summer (December, January and February), Tucuruí sees average daytime highs around 30°C and overnight lows near 24°C, with 880 mm of rain over about 78 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 4% of the time across summer, and the air most often feels oppressive.
Summer is Tucuruí's 3rd-best season to visit on our travel score. Tucuruí 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 Tucuruí's year-round climate.
- Avg daytime high
- 30°C
- 3rd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 880 mm
- 78 wet days
- Avg wind
- 6 km/h
- Travel score
- 2.8
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Tucuruí in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Tucuruí reaches about 30°C and drops to 24°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Tucuruí
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Tucuruí weather by month
How the three summer 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 | 30° / 24° | 350 | 28.8 | 12.2 | 2.7 |
| Feb | 30° / 24° | 332 | 26.4 | 12.1 | 2.7 |
| Mar | 30° / 24° | 409 | 29.7 | 12 | 2.6 |
| Apr | 30° / 24° | 302 | 28.1 | 11.9 | 2.7 |
| May | 31° / 24° | 173 | 23.2 | 11.8 | 3.1 |
| Jun | 31° / 24° | 58 | 12.2 | 11.8 | 4.2 |
| Jul | 32° / 24° | 31 | 7.2 | 11.8 | 4.6 |
| Aug | 33° / 24° | 21 | 4.7 | 11.9 | 4.4 |
| Sep | 33° / 25° | 27 | 5.4 | 12 | 4.2 |
| Oct | 32° / 25° | 65 | 9.8 | 12.1 | 3.8 |
| Nov | 32° / 25° | 121 | 16.3 | 12.2 | 3.3 |
| Dec | 31° / 24° | 198 | 23 | 12.2 | 3.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 4% of the time across summer.
Chance of precipitation in Summer
Tucuruí gets around 880 mm of rain over 78 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 12 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.5 kWh/m².
Hazard calendar for Tucuruí
In summer, Tucuruí overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Tucuruí's monsoon runs December–April, when most of the year's rain falls.
Is summer a good time to visit Tucuruí?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Tucuruí.
What to pack for Tucuruí in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Tucuruí sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 78 days see rain.
UV index in Tucuruí in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tucuruí peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 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 | 14 | 15 | 14 | 11 | 10 | 10 | 10 | 12 | 11 | 10 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Very high |
| Dec | 10 | Very high |
Air quality in Tucuruí in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Tucuruí is worst in November — around 38 µg/m³ PM2.5 (poor), about 4.2× 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) | 16 | 16 | 15 | 13 | 10 | 9 | 10 | 14 | 20 | 34 | 38 | 21 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 16 | Moderate |
| Mar | 15 | Moderate |
| Apr | 13 | Moderate |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 10 | Good |
| Aug | 14 | Moderate |
| Sep | 20 | Moderate |
| Oct | 34 | Moderate |
| Nov | 38 | Poor |
| Dec | 21 | Moderate |
Where is Tucuruí?
Tucuruí sits at 3.8°S, 49.7°W, 60 m above sea level, in Brazil. The nearest listed city is Breu Branco, 32 km away.
Topography around Tucuruí
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tucuruí.
Within 3 km, the terrain around Tucuruí has only modest variations in elevation — a maximum elevation change of 208 m around an average of 63 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 272 m; within 80 km, significant variations in elevation — a maximum elevation change of 312 m.
The land around Tucuruí is covered by grassland (32%), artificial surfaces (28%) and trees (25%) within 3 km, grassland (36%), trees (35%) and water (26%) within 16 km, and trees (54%) and grassland (36%) 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 Tucuruí (-3.7658°, -49.6792°, elevation 60 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.