Carolina weather in January

In January, Carolina sees average daytime highs of 30°C and overnight lows near 23°C, with 256 mm of rain across 27.7 wet days and about 12.4 hours of daylight. It is the 12th-warmest and 1st-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 5% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Carolina's 10th-clearest and 9th-windiest month. For the whole year in context, see Carolina's year-round climate.

Daytime high
30°
12th warmest
Overnight low
23°
6th coldest
Rainfall
256 mm
27.7 wet days
Daylight
12 h 24 min
6:08 AM – 6:31 PM
Cloud cover
82%
10th clearest
Wind
5 km/h
9th windiest
Solar energy
4.79 kWh/m²
Travel score
2.8
out of 10

Carolina 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 30°C through the month.

A typical January day in Carolina reaches about 30°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°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)
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
303023
313023

How January really feels in Carolina

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.

Carolina weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 1st-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31486
41486
51486
61486
71486
81387
91387
101387
111387
121387
131288
141288
151387
161387
171387
181387
191387
201486
211486
221486
231486
241585
251585
261585
271585
281585
291486
301486
311486

Chance of precipitation in January

Any precipitation

Carolina gets around 256 mm of rain over 27.7 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 89% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
387
488
588
688
788
888
988
1088
1188
1288
1388
1488
1588
1688
1789
1889
1989
2089
2190
2290
2391
2491
2591
2692
2792
2892
2992
3092
3192

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1973
2973
3973
4973
5973
6973
7973
8973
9973
10973
11973
12973
13973
14973
15973
16973
17973
18973
19973
20973
21964
22964
23964
24964
25964
26964
27964
28955
29955
30955
31955

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 24 min at the start of January to 12 h 18 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 6:00 AM to 6:14 AM, and sunset from 6:26 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:006:26
212.46:016:26
312.46:016:26
412.46:026:27
512.46:026:27
612.46:036:28
712.46:036:28
812.46:046:28
912.46:046:29
1012.46:056:29
1112.46:056:29
1212.46:066:30
1312.46:066:30
1412.46:076:30
1512.46:076:30
1612.46:086:31
1712.46:086:31
1812.46:096:31
1912.46:096:31
2012.46:096:32
2112.46:106:32
2212.46:106:32
2312.46:116:32
2412.46:116:32
2512.36:116:32
2612.36:126:32
2712.36:126:33
2812.36:136:33
2912.36:136:33
3012.36:136:33
3112.36:146:33

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.79 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 — January's 4.79 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Carolina

In seasonPeak

In January, Carolina sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

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 January a good time to visit Carolina?

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

2.8
Sightseeing
10th-best month of the year
3.9
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Carolina.

What to pack for Carolina in January

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

In January, Carolina sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Carolina 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 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).