Caicó in Spring
In spring (September, October and November), Caicó sees average daytime highs around 36°C and overnight lows near 23°C, with 5 mm of rain over about 1 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 36°C. The sky is clear or mostly clear about 62% of the time across spring, and the air most often feels humid.
Spring is Caicó's 3rd-best season to visit on our travel score. For the whole year in context, see Caicó's year-round climate.
- Avg daytime high
- 36°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 5 mm
- 1 wet days
- Avg wind
- 18 km/h
- Travel score
- 2.9
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Caicó in Spring
Across spring, daytime highs hold fairly steady around 36°C.
A typical spring day in Caicó reaches about 36°C and drops to 23°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in Caicó
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.
Caicó 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 | 35° / 24° | 59 | 7 | 12.3 | 2.6 |
| Feb | 35° / 24° | 56 | 8.4 | 12.2 | 2.6 |
| Mar | 34° / 24° | 101 | 11.8 | 12 | 2.7 |
| Apr | 34° / 24° | 67 | 10.3 | 11.9 | 3.1 |
| May | 33° / 23° | 30 | 5.5 | 11.7 | 3.6 |
| Jun | 32° / 22° | 19 | 3.4 | 11.6 | 4.4 |
| Jul | 32° / 21° | 12 | 2 | 11.7 | 4.6 |
| Aug | 33° / 21° | 5 | 0.4 | 11.8 | 4.3 |
| Sep | 35° / 22° | 1 | 0.1 | 12 | 3.4 |
| Oct | 36° / 23° | 4 | 0.3 | 12.1 | 2.7 |
| Nov | 36° / 23° | 1 | 0.2 | 12.3 | 2.5 |
| Dec | 36° / 24° | 11 | 1.9 | 12.4 | 2.5 |
Cloud cover in Spring
The sky is clear or mostly clear about 62% of the time across spring.
Chance of precipitation in Spring
Caicó gets around 5 mm of rain over 1 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 18 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 54 min in early September to 12 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 6.9 kWh/m².
Is spring a good time to visit Caicó?
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 Caicó. The water and warmth also suit a beach or pool day.
What to pack for Caicó in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Caicó sees daytime highs around 36°C and nights near 23°C. Pack light clothes and sun protection.
UV index in Caicó in Spring
Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Caicó peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (very 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) | 13 | 15 | 15 | 14 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Caicó 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 Caicó is worst in October — around 21 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (July, 5 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) | 12 | 9 | 8 | 8 | 7 | 6 | 5 | 13 | 20 | 21 | 19 | 16 |
| Level | Moderate | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 9 | Good |
| Mar | 8 | Good |
| Apr | 8 | Good |
| May | 7 | Good |
| Jun | 6 | Good |
| Jul | 5 | Good |
| Aug | 13 | Moderate |
| Sep | 20 | Moderate |
| Oct | 21 | Moderate |
| Nov | 19 | Moderate |
| Dec | 16 | Moderate |
Where is Caicó?
Caicó sits at 6.5°S, 37.1°W, 161 m above sea level, in Brazil. The nearest listed city is Jucurutu, 48 km away.
Topography around Caicó
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Caicó.
Within 3 km, the terrain around Caicó has only modest variations in elevation — a maximum elevation change of 54 m around an average of 162 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 499 m; within 80 km, large variations in elevation — a maximum elevation change of 867 m.
The land around Caicó is covered by shrubs (36%), grassland (31%) and artificial surfaces (27%) within 3 km, shrubs (69%) and grassland (26%) within 16 km, and shrubs (77%) 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 Caicó (-6.4583°, -37.0978°, elevation 161 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.