Macapá in Summer
In summer (June, July and August), Macapá sees average daytime highs around 31°C and overnight lows near 24°C, with 433 mm of rain over about 71 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 46% of the time across summer, and the air most often feels oppressive.
Summer is Macapá's 2nd-best season to visit on our travel score. Macapá 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 Macapá's year-round climate.
- Avg daytime high
- 31°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 433 mm
- 71 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.4
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Macapá in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Macapá reaches about 31°C and drops to 24°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Macapá
Once humidity and wind are folded in, summer brings about 92 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.
Macapá weather by month
How the three summer 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 | 29° / 24° | 274 | 29.2 | 12 | 3.0 |
| Feb | 29° / 24° | 322 | 26.7 | 12 | 3.0 |
| Mar | 29° / 24° | 387 | 29.2 | 12 | 3.0 |
| Apr | 29° / 24° | 384 | 29.2 | 12 | 2.9 |
| May | 30° / 24° | 357 | 29.6 | 12 | 2.9 |
| Jun | 30° / 24° | 205 | 27.3 | 12 | 3.0 |
| Jul | 30° / 24° | 155 | 25.8 | 12 | 3.3 |
| Aug | 31° / 25° | 73 | 18 | 12 | 3.8 |
| Sep | 32° / 25° | 26 | 8.7 | 12 | 4.4 |
| Oct | 32° / 25° | 17 | 4.5 | 12 | 4.5 |
| Nov | 32° / 25° | 35 | 8.5 | 12 | 4.1 |
| Dec | 31° / 25° | 128 | 22.8 | 12 | 3.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 46% of the time across summer.
Chance of precipitation in Summer
Macapá gets around 433 mm of rain over 71 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 hours in early June to 12 hours by late August. 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 5.1 kWh/m².
Hazard calendar for Macapá
In summer, Macapá overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Macapá's monsoon runs January–June, when most of the year's rain falls.
Is summer a good time to visit Macapá?
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 Macapá.
What to pack for Macapá in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Macapá sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 71 days see rain.
Sea temperature near Macapá in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 23 km away) is warmest in October at about 30°C and coldest in March near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 28 | Tropical |
| Mar | 28 | Tropical |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 30 | Tropical |
| Oct | 30 | Tropical |
| Nov | 30 | Tropical |
| Dec | 29 | Tropical |
UV index in Macapá in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Macapá peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 10 (extreme).
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 | 12 | 11 | 11 | 10 | 12 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Macapá 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 Macapá is worst in February — around 21 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (July, 7 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) | 17 | 21 | 20 | 17 | 10 | 8 | 7 | 7 | 9 | 13 | 16 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 21 | Moderate |
| Mar | 20 | Moderate |
| Apr | 17 | Moderate |
| May | 10 | Good |
| Jun | 8 | Good |
| Jul | 7 | Good |
| Aug | 7 | Good |
| Sep | 9 | Good |
| Oct | 13 | Moderate |
| Nov | 16 | Moderate |
| Dec | 15 | Moderate |
Where is Macapá?
Macapá sits at 0.0°N, 51.1°W, 17 m above sea level, in Brazil. The nearest listed city is Santana, 15 km away.
Topography around Macapá
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Macapá.
Within 3 km, the terrain around Macapá has only modest variations in elevation — a maximum elevation change of 27 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, only modest variations in elevation — a maximum elevation change of 132 m.
The land around Macapá is covered by artificial surfaces (52%) and grassland (22%) within 3 km, water (41%), trees (25%) and grassland (20%) within 16 km, and trees (60%) and water (22%) 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 Macapá (0.0389°, -51.0664°, elevation 17 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.