Ceará-Mirim weather in October

In October, Ceará-Mirim sees average daytime highs of 30°C and overnight lows near 23°C, with 10 mm of rain across 3.5 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 55% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of October to 12 h 12 min by month's end. Set against the rest of the year, October is Ceará-Mirim's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Ceará-Mirim's year-round climate.

Daytime high
30°
6th warmest
Overnight low
23°
5th coldest
Rainfall
10 mm
3.5 wet days
Daylight
12 h 06 min
5:03 AM – 5:11 PM
Cloud cover
41%
2nd clearest
Wind
18 km/h
3rd windiest
Solar energy
6.43 kWh/m²
Travel score
5.9
out of 10

Ceará-Mirim is human settlement in Brazil.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical October day in Ceará-Mirim reaches about 30°C in the afternoon and slips back to 23°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 31°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303024
313024

How October really feels in Ceará-Mirim

Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ceará-Mirim weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 12th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 29% of October, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
29010
39010
48911
58911
68812
78713
88713
98614
108614
118515
128515
138416
148416
158416
168317
178317
188317
198317
208317
218218
228218
238218
248218
258218
268218
278218
288317
298317
308218
318218

Chance of precipitation in October

Any precipitation

Ceará-Mirim gets around 10 mm of rain over 3.5 wet days in October, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
510
610
710
810
911
1011
1111
1211
1311
1412
1512
1612
1712
1812
1912
2012
2112
2212
2312
2412
2513
2613
2713
2813
2913
3012
3112

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
127226
227226
327226
427226
527325
627325
727226
817326
917326
1017227
1117227
1217227
1317128
1417128
1507129
1607030
1706931
1806832
1906733
2006733
2106634
2206535
2306436
2406337
2506238
2606139
2706139
2806040
2905941
3005941
3105842

Wind in October

Winds average 18 km/h in October.

Across October, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in October

DaylightNight

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

Days grow by about 12 minutes over October. Sunrise moves from 5:09 AM to 4:59 AM, and sunset from 5:12 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:095:12
212.15:095:12
312.15:085:12
412.15:085:12
512.15:075:12
612.15:075:11
712.15:065:11
812.15:065:11
912.15:065:11
1012.15:055:11
1112.15:055:11
1212.15:045:11
1312.15:045:11
1412.15:045:11
1512.15:035:11
1612.15:035:11
1712.15:035:10
1812.15:025:10
1912.15:025:10
2012.15:025:10
2112.25:015:10
2212.25:015:10
2312.25:015:10
2412.25:015:11
2512.25:005:11
2612.25:005:11
2712.25:005:11
2812.25:005:11
2912.25:005:11
3012.24:595:11
3112.24:595:11

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.43 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 — October's 6.43 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in October

Hazard calendar for Ceará-Mirim

In seasonPeak

None of Ceará-Mirim's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 October a good time to visit Ceará-Mirim?

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

5.9
Sightseeing
3rd-best month of the year
8.1
Beach & pool
2nd-best month of the year

October 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 October

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

In October, Ceará-Mirim sees daytime highs around 30°C and nights near 23°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Ceará-Mirim in October

The nearest coast averages about 27°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (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
October 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).