Ouro Preto do Oeste weather in January

In January, Ouro Preto do Oeste sees average daytime highs of 29°C and overnight lows near 23°C, with 272 mm of rain across 28.5 wet days and about 12.6 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of January to 12 h 30 min by month's end. Set against the rest of the year, January is Ouro Preto do Oeste's 11th-clearest and 5th-windiest month. For the whole year in context, see Ouro Preto do Oeste's year-round climate.

Daytime high
29°
11th warmest
Overnight low
23°
9th coldest
Rainfall
272 mm
28.5 wet days
Daylight
12 h 36 min
6:01 AM – 6:35 PM
Cloud cover
87%
11th clearest
Wind
6 km/h
5th windiest
Solar energy
4.78 kWh/m²
Travel score
2.9
out of 10

Ouro Preto do Oeste is 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 29°C through the month.

A typical January day in Ouro Preto do Oeste reaches about 29°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 27°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)
13023
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
302923
312923

How January really feels in Ouro Preto do Oeste

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.

Ouro Preto do Oeste weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°27228.512.62.9
Feb29° / 23°26226.112.42.9
Mar30° / 23°2352812.12.9
Apr30° / 22°14822.911.83.4
May30° / 22°7914.811.54.5
Jun31° / 21°203.911.45.4
Jul32° / 20°122.111.44.9
Aug34° / 21°244.511.63.8
Sep33° / 23°8513.411.93.1
Oct32° / 23°14821.212.22.8
Nov31° / 23°22124.512.52.9
Dec30° / 23°25426.912.63.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2595
3595
4595
5595
6595
7595
8595
9595
10595
11694
12694
13694
14793
15793
16793
17892
18892
19892
20892
21892
22892
23892
24892
25892
26892
27892
28793
29793
30793
31793

Chance of precipitation in January

Any precipitation

Ouro Preto do Oeste gets around 272 mm of rain over 28.5 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 92% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
288
389
489
590
691
791
892
992
1093
1193
1293
1393
1493
1593
1693
1793
1893
1993
2092
2192
2292
2392
2492
2592
2692
2792
2892
2992
3093
3193

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1955
2946
3946
4937
5937
6937
7928
8928
9928
10919
11919
12919
13919
14919
15919
16919
17919
18919
19928
20928
21928
22928
23928
24937
25937
26937
27937
28937
29937
30937
31937

Wind in January

Winds average 6 km/h in January.

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

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
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 January

DaylightNight

Daylight runs from about 12 h 36 min at the start of January to 12 h 30 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 5:53 AM to 6:08 AM, and sunset from 6:31 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:536:31
212.65:546:31
312.65:546:31
412.65:556:32
512.65:566:32
612.65:566:32
712.65:576:33
812.65:576:33
912.65:586:33
1012.65:586:34
1112.65:596:34
1212.65:596:34
1312.66:006:34
1412.66:006:35
1512.66:016:35
1612.66:016:35
1712.66:026:35
1812.66:026:36
1912.66:036:36
2012.56:036:36
2112.56:046:36
2212.56:046:36
2312.56:056:36
2412.56:056:36
2512.56:056:36
2612.56:066:36
2712.56:066:36
2812.56:076:36
2912.56:076:36
3012.56:086:36
3112.56:086:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.78 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 5.77 kWh/m² in October across the year — January's 4.78 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
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 Ouro Preto do Oeste

In seasonPeak

In January, Ouro Preto do Oeste sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Ouro Preto do Oeste's rainy season runs October–April, 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 Ouro Preto do Oeste?

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

2.9
Sightseeing
8th-best month of the year
3.9
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Ouro Preto do Oeste.

What to pack for Ouro Preto do Oeste in January

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

In January, Ouro Preto do Oeste sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Ouro Preto do Oeste 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 Ouro Preto do Oeste peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 24UV 15Sep 13UV 3
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug6High
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Ouro Preto do Oeste 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 Ouro Preto do Oeste is worst in September — around 57 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodPoorModerateSep 1454 µg/m³Jun 198 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar13Moderate
Apr10Good
May9Good
Jun8Good
Jul8Good
Aug39Poor
Sep57Unhealthy
Oct24Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Ouro Preto do Oeste?

Ouro Preto do Oeste sits at 10.7°S, 62.2°W, 214 m above sea level, in Brazil. The nearest listed city is Ji Paraná, 33 km away.

Topography around Ouro Preto do Oeste

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ouro Preto do Oeste.

Within 3 km, the terrain around Ouro Preto do Oeste has significant variations in elevation — a maximum elevation change of 275 m around an average of 229 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 303 m; within 80 km, significant variations in elevation — a maximum elevation change of 462 m.

The land around Ouro Preto do Oeste is covered by grassland (59%) and trees (40%) within 3 km, grassland (73%) and trees (25%) within 16 km, and grassland (67%) and trees (32%) within 80 km.

3 km
275 m
16 km
303 m
80 km
462 m
treesgrasslandartificial surfaces
January weather nearby: Ji Paraná 33 km · Jaru 44 km · Presidente Médici 59 km · Cacoal 114 km · São Miguel do Guaporé 118 km · Rolim de Moura 126 km · Ariquemes 129 km · Alta Floresta d'Oeste 139 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 Ouro Preto do Oeste (-10.7481°, -62.2158°, elevation 214 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).