Belterra in Summer
In summer (December, January and February), Belterra sees average daytime highs around 29°C and overnight lows near 25°C, with 1045 mm of rain over about 76 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 31°C in early December to 29°C by late February. The sky is clear or mostly clear about 5% of the time across summer, and the air most often feels oppressive.
Summer is Belterra's 3rd-best season to visit on our travel score. Belterra 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 Belterra's year-round climate.
- Avg daytime high
- 29°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 1045 mm
- 76 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.2
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Belterra in Summer
Over the season highs ease from about 31°C in early December to 29°C by late February.
A typical summer day in Belterra reaches about 29°C and drops to 25°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Belterra
Once humidity and wind are folded in, summer brings about 83 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.
Belterra 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 | 29° / 25° | 412 | 28 | 12.1 | 3.1 |
| Feb | 29° / 24° | 394 | 26.1 | 12.1 | 3.1 |
| Mar | 29° / 24° | 493 | 29.2 | 12 | 3.0 |
| Apr | 29° / 25° | 448 | 29 | 11.9 | 2.9 |
| May | 29° / 25° | 337 | 29.5 | 11.9 | 3.1 |
| Jun | 29° / 25° | 157 | 23.1 | 11.9 | 3.7 |
| Jul | 30° / 25° | 111 | 19.2 | 11.9 | 4.3 |
| Aug | 31° / 26° | 78 | 13.5 | 11.9 | 4.4 |
| Sep | 32° / 26° | 76 | 12.3 | 12 | 4.1 |
| Oct | 32° / 26° | 112 | 12.7 | 12.1 | 3.9 |
| Nov | 31° / 26° | 157 | 17.2 | 12.1 | 3.6 |
| Dec | 30° / 25° | 240 | 21.9 | 12.1 | 3.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 5% of the time across summer.
Chance of precipitation in Summer
Belterra gets around 1045 mm of rain over 76 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 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 06 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 4.7 kWh/m².
Hazard calendar for Belterra
In summer, Belterra overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Belterra's rainy season runs December–May, when most of the year's rain falls.
Is summer a good time to visit Belterra?
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 Belterra.
What to pack for Belterra in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Belterra sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 76 days see rain.
UV index in Belterra in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Belterra peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 18 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 | 14 | 11 | 10 | 10 | 10 | 11 | 12 | 10 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 11 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 11 | Extreme |
Air quality in Belterra 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 Belterra is worst in November — around 50 µg/m³ PM2.5 (poor), about 5.5× 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 | 15 | 15 | 13 | 10 | 9 | 10 | 15 | 24 | 47 | 50 | 27 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Moderate | Poor | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 15 | Moderate |
| Mar | 15 | Moderate |
| Apr | 13 | Moderate |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 10 | Good |
| Aug | 15 | Moderate |
| Sep | 24 | Moderate |
| Oct | 47 | Poor |
| Nov | 50 | Poor |
| Dec | 27 | Moderate |
Where is Belterra?
Belterra sits at 2.6°S, 54.9°W, 169 m above sea level, in Brazil. The nearest listed city is Mojuí dos Campos, 33 km away.
Topography around Belterra
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Belterra.
Within 3 km, the terrain around Belterra has only modest variations in elevation — a maximum elevation change of 161 m around an average of 147 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 194 m; within 80 km, only modest variations in elevation — a maximum elevation change of 239 m.
The land around Belterra is covered by trees (61%) and grassland (38%) within 3 km, trees (48%), water (29%) and grassland (24%) within 16 km, and trees (57%) and water (26%) 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 Belterra (-2.6364°, -54.9372°, elevation 169 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.