Cachoeiras de Macacu in Spring
In spring (September, October and November), Cachoeiras de Macacu sees average daytime highs around 25°C and overnight lows near 17°C, with 563 mm of rain over about 50 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across spring, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 21% of the time across spring, and the air most often feels muggy.
Spring is Cachoeiras de Macacu's 2nd-best season to visit on our travel score. For the whole year in context, see Cachoeiras de Macacu's year-round climate.
- Avg daytime high
- 25°C
- 3rd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 563 mm
- 50 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.6
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Cachoeiras de Macacu in Spring
Across spring, daytime highs hold fairly steady around 25°C.
A typical spring day in Cachoeiras de Macacu reaches about 25°C and drops to 17°C overnight. The warmest of the three months is November, the coolest September.
Cachoeiras de Macacu weather by month
How the three spring months (September, October and November) 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 | 28° / 21° | 362 | 24.1 | 13.2 | 3.9 |
| Feb | 29° / 20° | 277 | 20 | 12.8 | 4.0 |
| Mar | 28° / 20° | 287 | 24 | 12.2 | 4.3 |
| Apr | 26° / 18° | 134 | 16.4 | 11.5 | 5.6 |
| May | 24° / 16° | 87 | 12 | 10.9 | 6.7 |
| Jun | 24° / 15° | 49 | 7.7 | 10.7 | 7.5 |
| Jul | 23° / 14° | 48 | 7.1 | 10.8 | 7.6 |
| Aug | 24° / 14° | 51 | 7.7 | 11.2 | 7.5 |
| Sep | 25° / 16° | 108 | 12.3 | 11.9 | 6.6 |
| Oct | 25° / 18° | 159 | 16.5 | 12.5 | 5.6 |
| Nov | 26° / 19° | 297 | 21.6 | 13.1 | 4.7 |
| Dec | 27° / 20° | 367 | 24.7 | 13.4 | 4.2 |
Cloud cover in Spring
The sky is clear or mostly clear about 21% of the time across spring.
Chance of precipitation in Spring
Cachoeiras de Macacu gets around 563 mm of rain over 50 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 6 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early September to 13 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.0 kWh/m².
Hazard calendar for Cachoeiras de Macacu
In spring, Cachoeiras de Macacu overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Cachoeiras de Macacu's rainy season runs November–March, when most of the year's rain falls.
Is spring a good time to visit Cachoeiras de Macacu?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Cachoeiras de Macacu for sightseeing.
What to pack for Cachoeiras de Macacu in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Cachoeiras de Macacu sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 50 days see rain.
UV index in Cachoeiras de Macacu in Spring
Clear-sky midday UV across spring 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 Cachoeiras de Macacu peaks around January 21 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) | 15 | 14 | 13 | 10 | 7 | 6 | 6 | 8 | 7 | 12 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 7 | Very high |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Air quality in Cachoeiras de Macacu in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Cachoeiras de Macacu is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (March, 10 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) | 11 | 11 | 10 | 12 | 15 | 16 | 15 | 15 | 19 | 13 | 11 | 10 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 11 | Good |
| Mar | 10 | Good |
| Apr | 12 | Good |
| May | 15 | Moderate |
| Jun | 16 | Moderate |
| Jul | 15 | Moderate |
| Aug | 15 | Moderate |
| Sep | 19 | Moderate |
| Oct | 13 | Moderate |
| Nov | 11 | Good |
| Dec | 10 | Good |
Where is Cachoeiras de Macacu?
Cachoeiras de Macacu sits at 22.5°S, 42.7°W, 63 m above sea level, in Brazil. The nearest listed city is Nova Friburgo, 24 km away.
Topography around Cachoeiras de Macacu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cachoeiras de Macacu.
Within 3 km, the terrain around Cachoeiras de Macacu has large variations in elevation — a maximum elevation change of 710 m around an average of 239 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,264 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.
The land around Cachoeiras de Macacu is covered by trees (80%) within 3 km, trees (86%) within 16 km, and trees (46%) and grassland (33%) 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 Cachoeiras de Macacu (-22.4625°, -42.6531°, elevation 63 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.