Placas weather in January

In January, Placas sees average daytime highs of 30°C and overnight lows near 22°C, with 235 mm of rain across 26.5 wet days and about 12.2 hours of daylight. It is the 9th-warmest and 4th-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 2% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Placas's 9th-clearest and 8th-windiest month. For the whole year in context, see Placas's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
8th coldest
Rainfall
235 mm
26.5 wet days
Daylight
12 h 12 min
6:40 AM – 6:52 PM
Cloud cover
86%
9th clearest
Wind
6 km/h
8th windiest
Solar energy
4.25 kWh/m²
Travel score
2.9
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 Placas reaches about 30°C in the afternoon and slips back to 22°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 32°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53023
63023
73023
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How January really feels in Placas

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.

Placas weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°23526.512.22.9
Feb30° / 22°24725.412.12.9
Mar30° / 22°29128.7122.8
Apr30° / 22°25027.511.92.7
May30° / 22°17124.911.83.1
Jun31° / 22°591411.84.1
Jul32° / 22°379.511.84.1
Aug34° / 22°296.611.93.5
Sep34° / 23°458.9123.0
Oct34° / 23°7813.812.12.9
Nov33° / 23°1151812.22.9
Dec31° / 23°15921.612.23.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% 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 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31288
41288
51189
61090
71090
8991
9991
10892
11892
12793
13793
14694
15694
16694
17694
18694
19694
20694
21694
22694
23694
24694
25694
26694
27694
28694
29694
30694
31694

Chance of precipitation in January

Any precipitation

Placas gets around 235 mm of rain over 26.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 85% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
182
282
383
483
584
684
785
885
985
1086
1186
1286
1386
1486
1586
1686
1785
1885
1985
2085
2185
2285
2385
2485
2586
2686
2786
2886
2986
3086
3187

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1991
2991
3991
4991
5991
6991
7982
8982
9982
10982
11982
12982
13973
14973
15973
16973
17973
18973
19973
20973
21973
22973
23973
24973
25973
26973
27973
28973
29973
30973
31973

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 12 min at the start of January to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 6:33 AM to 6:45 AM, and sunset from 6:47 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:336:47
212.26:346:47
312.26:346:47
412.26:356:48
512.26:356:48
612.26:366:49
712.26:366:49
812.26:376:49
912.26:376:50
1012.26:386:50
1112.26:386:51
1212.26:386:51
1312.26:396:51
1412.26:396:52
1512.26:406:52
1612.26:406:52
1712.26:416:53
1812.26:416:53
1912.26:416:53
2012.26:426:53
2112.26:426:54
2212.26:426:54
2312.26:436:54
2412.26:436:54
2512.26:436:54
2612.26:446:55
2712.26:446:55
2812.26:446:55
2912.26:456:55
3012.26:456:55
3112.26:456:55

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.25 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 5.95 kWh/m² in September across the year — January's 4.25 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in January

Hazard calendar for Placas

In seasonPeak

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

Placas's rainy season runs December–May, 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 Placas?

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

2.9
Sightseeing
7th-best month of the year
4.1
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Placas.

What to pack for Placas in January

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

In January, Placas sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Placas 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 Placas peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 17 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 highExtremeVery highExtremeFeb 21UV 15Nov 17UV 10
UV index (midday)Level
Jan13Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec11Extreme

Air quality in Placas 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 Placas is worst in October — around 59 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (June, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorUnhealthyModerateOct 2258 µg/m³Jun 208 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar13Moderate
Apr12Good
May10Good
Jun8Good
Jul9Good
Aug15Moderate
Sep35Moderate
Oct59Unhealthy
Nov55Poor
Dec24Moderate
Location & terrain

Where is Placas?

Placas sits at 3.9°S, 54.2°W, 104 m above sea level, in Brazil. The nearest listed city is Uruará, 56 km away.

Topography around Placas

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

Within 3 km, the terrain around Placas has only modest variations in elevation — a maximum elevation change of 87 m around an average of 101 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 341 m; within 80 km, significant variations in elevation — a maximum elevation change of 444 m.

The land around Placas is covered by trees (48%) and grassland (48%) within 3 km, trees (71%) and grassland (29%) within 16 km, and trees (85%) within 80 km.

3 km
87 m
16 km
341 m
80 km
444 m
treesgrasslandartificial surfaces
January weather nearby: Uruará 56 km · Rurópolis 81 km · Aveiro 127 km · Mojuí dos Campos 140 km · Medicilândia 155 km · Belterra 158 km · Santarém 167 km · Brasil Novo 197 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 Placas (-3.8678°, -54.22°, elevation 104 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).