Coroatá in Summer

In summer (December, January and February), Coroatá sees average daytime highs around 32°C and overnight lows near 23°C, with 587 mm of rain over about 61 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 34°C in early December to 31°C by late February. The sky is clear or mostly clear about 10% of the time across summer, and the air most often feels oppressive.

Summer is Coroatá's weakest season of the year to visit on our travel score. For the whole year in context, see Coroatá's year-round climate.

Avg daytime high
32°C
3rd-warmest season
Avg overnight low
23°C
Rainfall
587 mm
61 wet days
Avg wind
6 km/h
Travel score
2.8
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Coroatá in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 34°C in early December to 31°C by late February.

A typical summer day in Coroatá reaches about 32°C and drops to 23°C overnight. The warmest of the three months is December, the coolest February.

20°25°30°35°40°DecJanFeb

How summer really feels in Coroatá

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.

Days feeling ≥ 32°C
90
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Coroatá 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°23023.912.22.7
Feb31° / 23°25624.112.12.7
Mar31° / 23°32428.6122.6
Apr31° / 23°27926.611.92.8
May31° / 23°13217.711.83.7
Jun32° / 23°326.111.84.7
Jul32° / 22°132.611.84.7
Aug34° / 23°40.811.94.1
Sep35° / 24°61.1123.4
Oct35° / 24°132.212.13.0
Nov35° / 25°426.512.22.9
Dec34° / 24°1011312.22.9

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Coroatá gets around 587 mm of rain over 61 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 6 km/h across summer.

0246810DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 h 12 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.0 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Coroatá

In seasonPeak

In summer, Coroatá overlaps its monsoon season. The full year is below, with each hazard's peak months called out.

Coroatá's monsoon runs January–April, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is summer a good time to visit Coroatá?

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.

2.8
Sightseeing
4th-best month of the year
4.6
Beach & pool
3rd-best month of the year

summer is a weaker month for outdoor sightseeing in Coroatá.

What to pack for Coroatá in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Coroatá sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 61 days see rain.

light clothesrain gearsun protection

UV index in Coroatá in Summer

LowModerateHighVery highExtreme

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 Coroatá peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Coroatá in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in Coroatá is worst in October — around 35 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (June, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 2134 µg/m³Jun 159 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May10Good
Jun9Good
Jul11Good
Aug13Moderate
Sep19Moderate
Oct35Moderate
Nov30Moderate
Dec23Moderate
Location & terrain

Where is Coroatá?

Coroatá sits at 4.1°S, 44.1°W, 37 m above sea level, in Brazil. The nearest listed city is Timbiras, 25 km away.

Topography around Coroatá

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Coroatá.

Within 3 km, the terrain around Coroatá has only modest variations in elevation — a maximum elevation change of 87 m around an average of 39 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, only modest variations in elevation — a maximum elevation change of 183 m.

The land around Coroatá is covered by grassland (41%) and trees (27%) within 3 km, trees (60%) and grassland (24%) within 16 km, and trees (63%) and grassland (30%) within 80 km.

3 km
87 m
16 km
102 m
80 km
183 m
treesshrubsgrasslandartificial surfaceswater
Summer weather nearby: Timbiras 25 km · Peritoró 36 km · Alto Alegre do Maranhão 37 km · São Mateus do Maranhão 40 km · Codó 45 km · Pirapemas 46 km · Cantanhede 62 km · São Luís Gonzaga do Maranhão 67 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
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Coroatá (-4.13°, -44.1242°, elevation 37 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.