Acreúna weather in January

In January, Acreúna sees average daytime highs of 30°C and overnight lows near 21°C, with 225 mm of rain across 23.4 wet days and about 12.9 hours of daylight. It is the 9th-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 11% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of January to 12 h 48 min by month's end. Set against the rest of the year, January is Acreúna's 12th-clearest and 5th-windiest month. For the whole year in context, see Acreúna's year-round climate.

Daytime high
30°
9th warmest
Overnight low
21°
11th coldest
Rainfall
225 mm
23.4 wet days
Daylight
12 h 54 min
7:03 AM – 7:59 PM
Cloud cover
78%
12th clearest
Wind
7 km/h
5th windiest
Solar energy
5.56 kWh/m²
Travel score
3.4
out of 10

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 Acreúna reaches about 30°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233022
243022
253022
263022
273022
283022
293022
303022
313022

How January really feels in Acreúna

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.

Acreúna weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°22523.412.93.4
Feb30° / 21°17421.112.63.4
Mar30° / 21°17021.812.13.5
Apr30° / 20°7210.811.64.8
May29° / 18°213.811.26.3
Jun29° / 17°50.9116.9
Jul30° / 16°30.611.16.8
Aug32° / 18°81.111.45.4
Sep33° / 20°39611.93.8
Oct33° / 21°11515.312.43.2
Nov31° / 21°18222.212.83.2
Dec30° / 22°21425.4133.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
42080
52080
61981
71981
81981
91981
102080
112080
122278
132377
142377
152377
162476
172575
182575
192674
202674
212674
222674
232674
242674
252674
262674
272674
282674
292674
302674
312674

Chance of precipitation in January

Any precipitation

Acreúna gets around 225 mm of rain over 23.4 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 76% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
177
277
377
476
576
676
776
876
976
1076
1176
1277
1377
1477
1577
1677
1777
1877
1977
2076
2176
2276
2376
2476
2576
2675
2775
2875
2975
3075
3175

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
125048
224949
324949
424849
524850
634850
734850
834750
934750
1034750
1134651
1234651
1344551
1444551
1544452
1644452
1744353
1844353
1944254
2044155
2144056
2244056
2343957
2443957
2543957
2643957
2743957
2843957
2943957
3034057
3134057

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 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
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 hours at the start of January to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 6:54 AM to 7:11 AM, and sunset from 7:55 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:547:55
213.06:557:56
313.06:557:56
413.06:567:56
513.06:567:57
613.06:577:57
713.06:577:57
813.06:587:57
913.06:597:58
1013.06:597:58
1113.07:007:58
1213.07:007:58
1313.07:017:58
1413.07:027:59
1512.97:027:59
1612.97:037:59
1712.97:037:59
1812.97:047:59
1912.97:057:59
2012.97:057:59
2112.97:067:59
2212.97:067:59
2312.97:077:59
2412.97:077:59
2512.97:087:59
2612.87:097:59
2712.87:097:59
2812.87:107:59
2912.87:107:59
3012.87:117:59
3112.87:117:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.56 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.17 kWh/m² in October across the year — January's 5.56 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Acreúna

In seasonPeak

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

Acreúna's monsoon runs October–March, 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 Acreúna?

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

3.4
Sightseeing
8th-best month of the year
4.6
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Acreúna.

What to pack for Acreúna in January

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

In January, Acreúna sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Acreúna in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Acreúna peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 21UV 15Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Acreúna 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 Acreúna is worst in September — around 25 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (June, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1724 µg/m³Jun 176 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr7Good
May6Good
Jun5Good
Jul6Good
Aug11Good
Sep25Moderate
Oct13Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Acreúna?

Acreúna sits at 17.4°S, 50.4°W, 542 m above sea level, in Brazil. The nearest listed city is Indiara, 50 km away.

Topography around Acreúna

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

Within 3 km, the terrain around Acreúna has only modest variations in elevation — a maximum elevation change of 58 m around an average of 531 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 190 m; within 80 km, significant variations in elevation — a maximum elevation change of 507 m.

The land around Acreúna is covered by cropland (55%) within 3 km, cropland (72%) within 16 km, and cropland (68%) within 80 km.

3 km
58 m
16 km
190 m
80 km
507 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Indiara 50 km · Santa Helena de Goiás 52 km · Rio Verde 74 km · Palmeiras de Goiás 81 km · São Luís de Montes Belos 97 km · Pontalina 100 km · Guapó 110 km · Anicuns 113 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 Acreúna (-17.3956°, -50.3769°, elevation 542 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).