Ceará-Mirim weather in January

In January, Ceará-Mirim sees average daytime highs of 31°C and overnight lows near 24°C, with 51 mm of rain across 14.5 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 36% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Ceará-Mirim's 9th-clearest and 8th-windiest month. For the whole year in context, see Ceará-Mirim's year-round climate.

Daytime high
31°
1st warmest
Overnight low
24°
11th coldest
Rainfall
51 mm
14.5 wet days
Daylight
12 h 18 min
5:22 AM – 5:40 PM
Cloud cover
56%
9th clearest
Wind
14 km/h
8th windiest
Solar energy
6.06 kWh/m²
Travel score
4.2
out of 10

Ceará-Mirim is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Ceará-Mirim reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How January really feels in Ceará-Mirim

Once humidity and wind are folded in, January averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Ceará-Mirim weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°5114.512.34.2
Feb31° / 24°6415.512.23.9
Mar31° / 24°9920.4123.6
Apr30° / 24°11320.211.93.8
May30° / 23°8515.411.74.6
Jun29° / 22°7514.511.75.2
Jul28° / 22°6112.111.75.8
Aug29° / 22°217.111.86.3
Sep29° / 22°124.6126.2
Oct30° / 23°103.512.15.9
Nov30° / 24°124.712.35.5
Dec31° / 24°239.512.34.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36139
46040
56040
65941
75842
85743
95644
105545
115347
125347
135248
145248
155248
165050
175149
185248
195248
205248
215347
225446
235446
245545
255545
265545
275644
285644
295743
305743
315842

Chance of precipitation in January

Any precipitation

Ceará-Mirim gets around 51 mm of rain over 14.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 47% and peaks near 51% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
137
237
338
439
540
641
742
843
944
1045
1146
1247
1348
1449
1550
1650
1750
1850
1950
2050
2150
2251
2351
2451
2551
2651
2751
2850
2950
3049
3149

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
116840
215850
315841
414851
514851
613861
713861
812871
912871
1011881
1111881
1211881
1310891
1410891
1510891
1610891
1710891
189901
199901
2010891
2110891
2210891
2310891
2410891
2510882
2610882
2710882
2810882
2910873
3010873
3110873

Wind in January

Winds average 14 km/h in January.

Across January, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 18 min at the start of January to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:15 AM to 5:28 AM, and sunset from 5:35 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:155:35
212.35:165:35
312.35:165:35
412.35:175:36
512.35:175:36
612.35:185:37
712.35:185:37
812.35:195:37
912.35:195:38
1012.35:195:38
1112.35:205:38
1212.35:205:39
1312.35:215:39
1412.35:215:39
1512.35:225:40
1612.35:225:40
1712.35:235:40
1812.35:235:40
1912.35:235:41
2012.35:245:41
2112.35:245:41
2212.35:255:41
2312.35:255:41
2412.35:255:42
2512.35:265:42
2612.35:265:42
2712.35:265:42
2812.35:275:42
2912.35:275:42
3012.35:275:42
3112.25:285:42

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.06 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.46 kWh/m² in November across the year — January's 6.06 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in January

Hazard calendar for Ceará-Mirim

In seasonPeak

In January, Ceará-Mirim sits inside 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.

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

Is January a good time to visit Ceará-Mirim?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.2
Sightseeing
9th-best month of the year
6.1
Beach & pool
9th-best month of the year

January 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 January

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

In January, Ceará-Mirim sees daytime highs around 31°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Ceará-Mirim in January

The nearest coast averages about 28°C in January — 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.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Ceará-Mirim in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

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.

3 km
78 m
16 km
129 m
80 km
529 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Extremoz 15 km · São Gonçalo do Amarante 21 km · Macaíba 26 km · Natal 30 km · Parnamirim 36 km · João Câmara 45 km · São Paulo do Potengi 47 km · Touros 49 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 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).