Cachoeira do Arari in Spring
In spring (September, October and November), Cachoeira do Arari sees average daytime highs around 34°C and overnight lows near 24°C, with 96 mm of rain over about 23 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across spring, daytime highs hold fairly steady around 34°C. The sky is clear or mostly clear about 43% of the time across spring, and the air most often feels oppressive.
Spring is Cachoeira do Arari's best season of the year to visit on our travel score. For the whole year in context, see Cachoeira do Arari's year-round climate.
- Avg daytime high
- 34°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 96 mm
- 23 wet days
- Avg wind
- 11 km/h
- Travel score
- 3.3
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Cachoeira do Arari in Spring
Across spring, daytime highs hold fairly steady around 34°C.
A typical spring day in Cachoeira do Arari reaches about 34°C and drops to 24°C overnight. The warmest of the three months is October, the coolest September.
How spring really feels in Cachoeira do Arari
Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Cachoeira do Arari 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 | 31° / 23° | 303 | 28.4 | 12.1 | 2.5 |
| Feb | 30° / 23° | 422 | 27.3 | 12 | 2.5 |
| Mar | 30° / 23° | 518 | 30.7 | 12 | 2.5 |
| Apr | 30° / 23° | 488 | 29.6 | 12 | 2.4 |
| May | 31° / 23° | 357 | 28 | 12 | 2.6 |
| Jun | 32° / 23° | 147 | 21.3 | 11.9 | 3.1 |
| Jul | 32° / 23° | 88 | 16.6 | 11.9 | 3.5 |
| Aug | 33° / 23° | 44 | 12.8 | 12 | 3.4 |
| Sep | 34° / 24° | 29 | 9.3 | 12 | 3.3 |
| Oct | 34° / 24° | 27 | 6.4 | 12 | 3.4 |
| Nov | 34° / 24° | 40 | 7.7 | 12 | 3.3 |
| Dec | 33° / 24° | 123 | 19 | 12.1 | 2.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 43% of the time across spring.
Chance of precipitation in Spring
Cachoeira do Arari gets around 96 mm of rain over 23 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 12 hours in early September to 12 h 06 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 6.2 kWh/m².
Hazard calendar for Cachoeira do Arari
None of Cachoeira do Arari's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Cachoeira do Arari's monsoon runs January–May, when most of the year's rain falls.
Is spring a good time to visit Cachoeira do Arari?
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 weaker month for outdoor sightseeing in Cachoeira do Arari. The water and warmth also suit a beach or pool day.
What to pack for Cachoeira do Arari in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Cachoeira do Arari sees daytime highs around 34°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 23 days see rain.
Sea temperature near Cachoeira do Arari in Spring
The nearest coast averages about 29°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 40 km away) is warmest in June at about 29°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 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 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 | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Cachoeira do Arari 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 Cachoeira do Arari peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 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 | 10 | 10 | 12 | 12 | 10 | 10 |
| 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 | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Extreme |
| Dec | 10 | Extreme |
Air quality in Cachoeira do Arari 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 Cachoeira do Arari is worst in February — around 22 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 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) | 18 | 22 | 22 | 17 | 11 | 9 | 8 | 9 | 11 | 13 | 13 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 22 | Moderate |
| Mar | 22 | Moderate |
| Apr | 17 | Moderate |
| May | 11 | Good |
| Jun | 9 | Good |
| Jul | 8 | Good |
| Aug | 9 | Good |
| Sep | 11 | Good |
| Oct | 13 | Moderate |
| Nov | 13 | Moderate |
| Dec | 14 | Moderate |
Where is Cachoeira do Arari?
Cachoeira do Arari sits at 1.0°S, 49.0°W, 8 m above sea level, in Brazil. The nearest listed city is Ponta de Pedras, 43 km away.
Topography around Cachoeira do Arari
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cachoeira do Arari.
Within 3 km, the terrain around Cachoeira do Arari has only modest variations in elevation — a maximum elevation change of 27 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 50 m.
The land around Cachoeira do Arari is covered by grassland (60%) within 3 km, grassland (72%) within 16 km, and grassland (37%), trees (34%) and water (20%) 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 Cachoeira do Arari (-1.0114°, -48.9633°, 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.