Cerro Azul in Spring
In spring (September, October and November), Cerro Azul sees average daytime highs around 25°C and overnight lows near 15°C, with 348 mm of rain over about 39 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 24°C in early September to 27°C by late November. The sky is clear or mostly clear about 20% of the time across spring, and the air most often feels humid.
Spring is Cerro Azul's 3rd-best season to visit on our travel score. For the whole year in context, see Cerro Azul's year-round climate.
- Avg daytime high
- 25°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 348 mm
- 39 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.1
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Cerro Azul in Spring
Over the season highs climb from about 24°C in early September to 27°C by late November.
A typical spring day in Cerro Azul reaches about 25°C and drops to 15°C overnight. The warmest of the three months is November, the coolest September.
Cerro Azul 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° / 19° | 218 | 22.1 | 13.4 | 4.2 |
| Feb | 28° / 19° | 168 | 19.3 | 12.9 | 4.4 |
| Mar | 27° / 18° | 133 | 17.7 | 12.2 | 5.3 |
| Apr | 26° / 16° | 64 | 9.2 | 11.4 | 6.7 |
| May | 22° / 13° | 79 | 8.5 | 10.8 | 6.9 |
| Jun | 21° / 11° | 78 | 7.8 | 10.5 | 6.9 |
| Jul | 21° / 10° | 71 | 7.2 | 10.6 | 7.0 |
| Aug | 23° / 11° | 57 | 6.8 | 11.1 | 7.4 |
| Sep | 24° / 13° | 109 | 10.2 | 11.8 | 6.8 |
| Oct | 25° / 15° | 120 | 14 | 12.6 | 5.9 |
| Nov | 26° / 16° | 119 | 15.2 | 13.2 | 5.6 |
| Dec | 28° / 18° | 155 | 18.2 | 13.5 | 4.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 20% of the time across spring.
Chance of precipitation in Spring
Cerro Azul gets around 348 mm of rain over 39 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 7 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early September to 13 h 24 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 4.9 kWh/m².
Is spring a good time to visit Cerro Azul?
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 Cerro Azul for sightseeing.
What to pack for Cerro Azul in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Cerro Azul sees daytime highs around 25°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 39 days see rain.
UV index in Cerro Azul in Spring
Clear-sky midday UV across spring averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cerro Azul peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (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 | 12 | 9 | 7 | 6 | 5 | 7 | 7 | 11 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | High | High | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 7 | High |
| Sep | 7 | High |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Cerro Azul 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 Cerro Azul is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (March, 8 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) | 8 | 8 | 8 | 9 | 10 | 10 | 11 | 15 | 17 | 11 | 9 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 8 | Good |
| Apr | 9 | Good |
| May | 10 | Good |
| Jun | 10 | Good |
| Jul | 11 | Good |
| Aug | 15 | Moderate |
| Sep | 17 | Moderate |
| Oct | 11 | Good |
| Nov | 9 | Good |
| Dec | 8 | Good |
Where is Cerro Azul?
Cerro Azul sits at 24.8°S, 49.3°W, 317 m above sea level, in Brazil. The nearest listed city is Rio Branco do Sul, 41 km away.
Topography around Cerro Azul
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cerro Azul.
Within 3 km, the terrain around Cerro Azul has significant variations in elevation — a maximum elevation change of 320 m around an average of 398 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,029 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,785 m.
The land around Cerro Azul is covered by trees (56%) and grassland (39%) within 3 km, trees (73%) and grassland (26%) within 16 km, and trees (80%) 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 Cerro Azul (-24.8236°, -49.2611°, elevation 317 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.