Carolina weather in October

In October, Carolina sees average daytime highs of 33°C and overnight lows near 23°C, with 74 mm of rain across 11.3 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 35% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 18 min by month's end. Set against the rest of the year, October is Carolina's 5th-clearest and 5th-windiest month. For the whole year in context, see Carolina's year-round climate.

Daytime high
33°
4th warmest
Overnight low
23°
12th coldest
Rainfall
74 mm
11.3 wet days
Daylight
12 h 12 min
5:50 AM – 6:00 PM
Cloud cover
57%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
6.01 kWh/m²
Travel score
3.3
out of 10

Carolina 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

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical October day in Carolina reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, October runs about 2°C cooler than September and about 2°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33423
43423
53423
63423
73423
83423
93423
103423
113423
123423
133423
143423
153323
163323
173323
183323
193323
203323
213323
223323
233323
243323
253323
263223
273223
283223
293223
303223
313223

How October really feels in Carolina

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.

Carolina weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°25627.712.42.8
Feb30° / 23°24825.412.22.7
Mar31° / 23°25527122.8
Apr31° / 23°17220.711.83.2
May32° / 23°7110.411.73.9
Jun33° / 22°61.111.64.2
Jul34° / 21°20.411.64.0
Aug35° / 22°20.411.83.2
Sep35° / 23°183122.9
Oct33° / 23°7411.312.23.3
Nov31° / 23°15818.912.33.3
Dec31° / 23°19823.912.43.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 19% of October, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26634
36535
46535
56535
66436
76337
86337
96238
106139
116040
126040
135941
145842
155743
165545
175545
185446
195248
205149
214951
224753
234555
244555
254357
264258
274258
284159
294060
304060
313862

Chance of precipitation in October

Any precipitation

Carolina gets around 74 mm of rain over 11.3 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 52% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
123
224
324
425
525
626
726
827
928
1028
1129
1230
1330
1431
1532
1633
1735
1836
1937
2039
2141
2242
2344
2446
2547
2649
2750
2851
2951
3052
3152

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
121140460
221140480
321040490
41939510
51939510
61839520
71838530
81838530
91837540
101836550
111735570
120734590
130733600
140732610
150630640
160629650
170627670
180525700
190523720
200421750
210419770
220318790
230316810
240214840
250213850
260212851
270110881
28019891
29019891
30018901
31017911

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 18 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 5:57 AM to 5:46 AM, and sunset from 6:01 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:576:01
212.15:566:01
312.15:566:01
412.15:556:00
512.15:556:00
612.15:546:00
712.15:546:00
812.15:536:00
912.15:536:00
1012.15:526:00
1112.15:526:00
1212.15:526:00
1312.15:516:00
1412.25:516:00
1512.25:506:00
1612.25:506:00
1712.25:506:00
1812.25:496:00
1912.25:496:00
2012.25:486:00
2112.25:486:00
2212.25:486:00
2312.25:486:00
2412.25:476:00
2512.25:476:00
2612.25:476:00
2712.25:466:01
2812.25:466:01
2912.25:466:01
3012.35:466:01
3112.35:466:01

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.01 kWh/m².

For context, solar energy here swings from a low near 4.73 kWh/m² to a high of 6.31 kWh/m² in September across the year — October's 6.01 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
215.9Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in October

Hazard calendar for Carolina

In seasonPeak

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

Carolina's monsoon runs November–April, when most of the year's rain falls.

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

Is October a good time to visit Carolina?

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

3.3
Sightseeing
4th-best month of the year
6.0
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Carolina. The water and warmth also suit a beach or pool day.

What to pack for Carolina in October

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

In October, Carolina sees daytime highs around 33°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Carolina in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Carolina peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 11UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec10Extreme

Air quality in Carolina in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Carolina is worst in September — around 35 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (July, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateSep 2134 µg/m³Jul 107 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb11Good
Mar12Good
Apr12Moderate
May10Good
Jun8Good
Jul7Good
Aug16Moderate
Sep35Moderate
Oct31Moderate
Nov19Moderate
Dec15Moderate
Location & terrain

Where is Carolina?

Carolina sits at 7.3°S, 47.5°W, 175 m above sea level, in Brazil. The nearest listed city is Araguaína, 84 km away.

Topography around Carolina

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

Within 3 km, the terrain around Carolina has only modest variations in elevation — a maximum elevation change of 54 m around an average of 168 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 367 m; within 80 km, significant variations in elevation — a maximum elevation change of 461 m.

The land around Carolina is covered by grassland (40%) and trees (28%) within 3 km, trees (46%) and grassland (38%) within 16 km, and grassland (46%) and trees (42%) within 80 km.

3 km
54 m
16 km
367 m
80 km
461 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Araguaína 84 km · Estreito 87 km · Riachão 93 km · Porto Franco 111 km · Tocantinópolis 112 km · Colinas do Tocantins 138 km · Balsas 159 km · São Geraldo do Araguaia 159 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 Carolina (-7.3356°, -47.4622°, elevation 175 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).