Belém in Summer
In summer (December, January and February), Belém sees average daytime highs around 30°C and overnight lows near 22°C, with 130 mm of rain over about 38 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels oppressive.
Summer is Belém's 3rd-best season to visit on our travel score. For the whole year in context, see Belém's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 130 mm
- 38 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.5
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Belém in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Belém reaches about 30°C and drops to 22°C overnight. The warmest of the three months is February, the coolest December.
How summer really feels in Belém
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.
Belém 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° / 23° | 47 | 13.6 | 12.3 | 4.4 |
| Feb | 30° / 23° | 57 | 14.3 | 12.2 | 4.1 |
| Mar | 30° / 23° | 72 | 17.9 | 12 | 4.0 |
| Apr | 30° / 23° | 83 | 17.5 | 11.9 | 4.2 |
| May | 29° / 22° | 74 | 15.9 | 11.7 | 4.9 |
| Jun | 28° / 21° | 64 | 14.4 | 11.6 | 5.7 |
| Jul | 27° / 20° | 58 | 12.9 | 11.7 | 6.2 |
| Aug | 27° / 20° | 28 | 9.3 | 11.8 | 6.6 |
| Sep | 28° / 21° | 18 | 7 | 12 | 6.4 |
| Oct | 30° / 21° | 15 | 5.7 | 12.1 | 5.9 |
| Nov | 30° / 22° | 15 | 5.6 | 12.3 | 5.5 |
| Dec | 30° / 22° | 26 | 10 | 12.4 | 4.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 30% of the time across summer.
Chance of precipitation in Summer
Belém gets around 130 mm of rain over 38 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 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 24 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 5.9 kWh/m².
Is summer a good time to visit Belém?
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 reasonable time to visit Belém for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Belém in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Belém sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 38 days see rain.
UV index in Belém 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 Belém peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 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 | 13 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Where is Belém?
Belém sits at 6.7°S, 35.5°W, 140 m above sea level, in Brazil. The nearest listed city is Bananeiras, 13 km away.
Topography around Belém
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Belém.
Within 3 km, the terrain around Belém has significant variations in elevation — a maximum elevation change of 262 m around an average of 184 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 554 m; within 80 km, large variations in elevation — a maximum elevation change of 744 m.
The land around Belém is covered by grassland (73%) within 3 km, grassland (65%) within 16 km, and grassland (55%) and shrubs (23%) 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 Belém (-6.6917°, -35.5333°, elevation 140 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.