Ceará-Mirim in Summer
In summer (December, January and February), Ceará-Mirim sees average daytime highs around 31°C and overnight lows near 24°C, with 138 mm of rain over about 40 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 38% of the time across summer, and the air most often feels oppressive.
Summer is Ceará-Mirim's 3rd-best season to visit on our travel score. Ceará-Mirim has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Ceará-Mirim's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 138 mm
- 40 wet days
- Avg wind
- 14 km/h
- Travel score
- 4.3
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Ceará-Mirim in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Ceará-Mirim reaches about 31°C and drops to 24°C overnight. The warmest of the three months is January, the coolest January.
How summer really feels in Ceará-Mirim
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.
Ceará-Mirim 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 | 31° / 24° | 51 | 14.5 | 12.3 | 4.2 |
| Feb | 31° / 24° | 64 | 15.5 | 12.2 | 3.9 |
| Mar | 31° / 24° | 99 | 20.4 | 12 | 3.6 |
| Apr | 30° / 24° | 113 | 20.2 | 11.9 | 3.8 |
| May | 30° / 23° | 85 | 15.4 | 11.7 | 4.6 |
| Jun | 29° / 22° | 75 | 14.5 | 11.7 | 5.2 |
| Jul | 28° / 22° | 61 | 12.1 | 11.7 | 5.8 |
| Aug | 29° / 22° | 21 | 7.1 | 11.8 | 6.3 |
| Sep | 29° / 22° | 12 | 4.6 | 12 | 6.2 |
| Oct | 30° / 23° | 10 | 3.5 | 12.1 | 5.9 |
| Nov | 30° / 24° | 12 | 4.7 | 12.3 | 5.5 |
| Dec | 31° / 24° | 23 | 9.5 | 12.3 | 4.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 38% of the time across summer.
Chance of precipitation in Summer
Ceará-Mirim gets around 138 mm of rain over 40 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 14 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 6.1 kWh/m².
Hazard calendar for Ceará-Mirim
In summer, Ceará-Mirim overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Ceará-Mirim's rainy season runs January–July, when most of the year's rain falls.
Is summer a good time to visit Ceará-Mirim?
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 Ceará-Mirim for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Ceará-Mirim in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ceará-Mirim sees daytime highs around 31°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 40 days see rain.
Sea temperature near Ceará-Mirim in Summer
The nearest coast averages about 28°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 29 km away) is warmest in March at about 29°C and coldest in August near 26°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) | 28 | 29 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 27 | 27 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 27 | Warm |
| Aug | 26 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 27 | Warm |
| Dec | 28 | Warm |
UV index in Ceará-Mirim 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 Ceará-Mirim peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 | 14 | 15 | 14 | 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 | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | 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 Ceará-Mirim?
Ceará-Mirim sits at 5.6°S, 35.4°W, 37 m above sea level, in Brazil. The nearest listed city is Extremoz, 15 km away.
Topography around Ceará-Mirim
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ceará-Mirim.
Within 3 km, the terrain around Ceará-Mirim has only modest variations in elevation — a maximum elevation change of 78 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 129 m; within 80 km, significant variations in elevation — a maximum elevation change of 529 m.
The land around Ceará-Mirim is covered by grassland (58%) within 3 km, grassland (51%) and shrubs (31%) within 16 km, and shrubs (32%), water (32%) and grassland (29%) 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 Ceará-Mirim (-5.6344°, -35.4256°, 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.