Iguape in Summer
In summer (December, January and February), Iguape sees average daytime highs around 27°C and overnight lows near 24°C, with 564 mm of rain over about 53 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 26°C in early December to 28°C by late February. The sky is clear or mostly clear about 18% of the time across summer, and the air most often feels oppressive.
Summer is Iguape's weakest season of the year to visit on our travel score. For the whole year in context, see Iguape's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 564 mm
- 53 wet days
- Avg wind
- 12 km/h
- Travel score
- 5.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Iguape in Summer
Over the season highs climb from about 26°C in early December to 28°C by late February.
A typical summer day in Iguape reaches about 27°C and drops to 24°C overnight. The warmest of the three months is February, the coolest December.
Iguape 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 | 28° / 24° | 217 | 20.1 | 13.4 | 4.8 |
| Feb | 28° / 24° | 206 | 17 | 12.9 | 4.9 |
| Mar | 27° / 24° | 173 | 18.8 | 12.2 | 5.2 |
| Apr | 26° / 22° | 103 | 13.8 | 11.4 | 6.1 |
| May | 23° / 20° | 103 | 13.3 | 10.8 | 6.4 |
| Jun | 22° / 18° | 90 | 9.8 | 10.5 | 6.7 |
| Jul | 21° / 17° | 85 | 9.9 | 10.6 | 6.6 |
| Aug | 21° / 17° | 65 | 9.1 | 11.1 | 6.6 |
| Sep | 22° / 19° | 104 | 12.7 | 11.8 | 6.1 |
| Oct | 23° / 20° | 105 | 14.2 | 12.6 | 5.9 |
| Nov | 25° / 22° | 111 | 14.8 | 13.2 | 5.9 |
| Dec | 27° / 23° | 140 | 16 | 13.5 | 5.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 18% of the time across summer.
Chance of precipitation in Summer
Iguape gets around 564 mm of rain over 53 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 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 24 min in early December to 12 h 36 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 5.8 kWh/m².
Is summer a good time to visit Iguape?
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 Iguape for sightseeing.
What to pack for Iguape in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Iguape sees daytime highs around 27°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 53 days see rain.
Sea temperature near Iguape in Summer
The nearest coast averages about 26°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 20 km away) is warmest in February at about 27°C and coldest in August near 19°C.
It's comfortable for a long swim from Sep 6 to Jul 12 — about 10.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 26 | 23 | 21 | 20 | 19 | 20 | 22 | 23 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 26 | Warm |
| May | 23 | Refreshing |
| Jun | 21 | Refreshing |
| Jul | 20 | Cool |
| Aug | 19 | Cool |
| Sep | 20 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 25 | Warm |
UV index in Iguape 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 Iguape peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).
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 | 14 | 11 | 8 | 6 | 5 | 5 | 7 | 7 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | Moderate | High | High | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | High |
| Jul | 5 | Moderate |
| Aug | 7 | High |
| Sep | 7 | High |
| Oct | 10 | Extreme |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in Iguape in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Iguape is worst in July — around 19 µg/m³ PM2.5 (moderate), about 1.8× 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) | 12 | 11 | 10 | 11 | 13 | 18 | 19 | 19 | 17 | 14 | 12 | 12 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 11 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 13 | Moderate |
| Jun | 18 | Moderate |
| Jul | 19 | Moderate |
| Aug | 19 | Moderate |
| Sep | 17 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 12 | Good |
Where is Iguape?
Iguape sits at 24.7°S, 47.6°W, 8 m above sea level, in Brazil. The nearest listed city is Pariquera-Açu, 33 km away.
Topography around Iguape
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iguape.
Within 3 km, the terrain around Iguape has significant variations in elevation — a maximum elevation change of 348 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 494 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,482 m.
The land around Iguape is covered by trees (44%) within 3 km, trees (51%) and water (36%) within 16 km, and trees (63%) and water (32%) 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 Iguape (-24.7081°, -47.5553°, 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.