Macaé in Summer
In summer (December, January and February), Macaé sees average daytime highs around 27°C and overnight lows near 24°C, with 369 mm of rain over about 35 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels oppressive.
Summer is Macaé's weakest season of the year to visit on our travel score. Macaé 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 Macaé's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 369 mm
- 35 wet days
- Avg wind
- 16 km/h
- Travel score
- 6.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Macaé in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Macaé reaches about 27°C and drops to 24°C overnight. The warmest of the three months is February, the coolest December.
Macaé 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 | 27° / 24° | 139 | 11.8 | 13.2 | 6.1 |
| Feb | 28° / 24° | 80 | 8.8 | 12.8 | 6.4 |
| Mar | 27° / 24° | 124 | 13.8 | 12.2 | 6.0 |
| Apr | 26° / 23° | 72 | 11.1 | 11.5 | 6.6 |
| May | 25° / 22° | 57 | 9.7 | 10.9 | 7.2 |
| Jun | 24° / 21° | 30 | 5.9 | 10.7 | 8.0 |
| Jul | 24° / 20° | 33 | 6.2 | 10.8 | 7.9 |
| Aug | 24° / 20° | 31 | 6.5 | 11.2 | 7.8 |
| Sep | 24° / 21° | 60 | 8.9 | 11.9 | 7.3 |
| Oct | 24° / 21° | 86 | 10.1 | 12.5 | 6.8 |
| Nov | 25° / 22° | 154 | 14.3 | 13.1 | 5.9 |
| Dec | 27° / 24° | 149 | 14.7 | 13.3 | 5.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 30% of the time across summer.
Chance of precipitation in Summer
Macaé gets around 369 mm of rain over 35 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 16 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 18 min in early December to 12 h 30 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 6.3 kWh/m².
Hazard calendar for Macaé
In summer, Macaé overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Macaé's rainy season runs October–April, when most of the year's rain falls.
Is summer a good time to visit Macaé?
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 Macaé for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Macaé in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Macaé sees daytime highs around 27°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 35 days see rain.
Sea temperature near Macaé in Summer
The nearest coast averages about 24°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 16 km away) is warmest in March at about 25°C and coldest in September near 22°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) | 24 | 24 | 25 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 23 | 24 |
| Comfort | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Refreshing |
| Feb | 24 | Warm |
| Mar | 25 | Warm |
| Apr | 25 | Warm |
| May | 24 | Refreshing |
| Jun | 23 | Refreshing |
| Jul | 22 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 24 | Refreshing |
UV index in Macaé in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Macaé peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (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 | 13 | 12 | 9 | 7 | 6 | 6 | 8 | 8 | 11 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Where is Macaé?
Macaé sits at 22.4°S, 41.8°W, 8 m above sea level, in Brazil. The nearest listed city is Rio das Ostras, 23 km away.
Topography around Macaé
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Macaé.
Within 3 km, the terrain around Macaé has only modest variations in elevation — a maximum elevation change of 70 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 408 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,806 m.
The land around Macaé is covered by water (43%) and artificial surfaces (33%) within 3 km, water (50%) and grassland (27%) within 16 km, and grassland (34%), water (34%) and trees (27%) 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 Macaé (-22.3848°, -41.7832°, elevation 8 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.