Icó in Summer
In summer (December, January and February), Icó sees average daytime highs around 34°C and overnight lows near 24°C, with 301 mm of rain over about 35 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 36°C in early December to 32°C by late February. The sky is clear or mostly clear about 29% of the time across summer, and the air most often feels muggy.
Summer is Icó's weakest season of the year to visit on our travel score. For the whole year in context, see Icó's year-round climate.
- Avg daytime high
- 34°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 301 mm
- 35 wet days
- Avg wind
- 9 km/h
- Travel score
- 2.9
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Icó in Summer
Over the season highs ease from about 36°C in early December to 32°C by late February.
A typical summer day in Icó reaches about 34°C and drops to 24°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Icó
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Icó 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 | 33° / 24° | 128 | 14.6 | 12.3 | 2.9 |
| Feb | 32° / 23° | 143 | 15.6 | 12.2 | 3.1 |
| Mar | 32° / 23° | 187 | 20.1 | 12 | 3.2 |
| Apr | 31° / 23° | 134 | 16.3 | 11.9 | 3.6 |
| May | 31° / 23° | 70 | 8.8 | 11.7 | 4.4 |
| Jun | 31° / 22° | 24 | 3.6 | 11.6 | 5.0 |
| Jul | 32° / 21° | 10 | 2.1 | 11.7 | 4.9 |
| Aug | 33° / 22° | 3 | 0.5 | 11.8 | 4.3 |
| Sep | 35° / 23° | 1 | 0.4 | 12 | 3.4 |
| Oct | 36° / 24° | 11 | 1 | 12.1 | 2.9 |
| Nov | 36° / 24° | 6 | 1.2 | 12.3 | 2.7 |
| Dec | 35° / 24° | 30 | 4.6 | 12.4 | 2.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 29% of the time across summer.
Chance of precipitation in Summer
Icó gets around 301 mm of rain over 35 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 18 min in early December to 12 h 06 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 6.2 kWh/m².
Hazard calendar for Icó
In summer, Icó overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Icó's monsoon runs January–April, when most of the year's rain falls.
Is summer a good time to visit Icó?
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 weaker month for outdoor sightseeing in Icó.
What to pack for Icó in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Icó sees daytime highs around 34°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 35 days see rain.
UV index in Icó in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Icó peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 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 | 13 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Where is Icó?
Icó sits at 6.4°S, 38.9°W, 156 m above sea level, in Brazil. The nearest listed city is Orós, 18 km away.
Topography around Icó
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Icó.
Within 3 km, the terrain around Icó has only modest variations in elevation — a maximum elevation change of 94 m around an average of 164 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 552 m; within 80 km, large variations in elevation — a maximum elevation change of 772 m.
The land around Icó is covered by grassland (39%), shrubs (23%) and cropland (22%) within 3 km, shrubs (60%) and grassland (26%) within 16 km, and shrubs (57%) and grassland (31%) 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 Icó (-6.4011°, -38.8622°, elevation 156 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.