Itacoatiara weather in January

In January, Itacoatiara sees average daytime highs of 30°C and overnight lows near 25°C, with 337 mm of rain across 28 wet days and about 12.2 hours of daylight. It is the 9th-warmest and 3rd-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 miserable.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Itacoatiara's 9th-clearest and 6th-windiest month. For the whole year in context, see Itacoatiara's year-round climate.

Daytime high
30°
9th warmest
Overnight low
25°
3rd coldest
Rainfall
337 mm
28 wet days
Daylight
12 h 12 min
5:58 AM – 6:08 PM
Cloud cover
87%
9th clearest
Wind
6 km/h
6th 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 Itacoatiara reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°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 about 1°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How January really feels in Itacoatiara

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.

Itacoatiara weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°3372812.22.9
Feb30° / 25°30025.412.12.9
Mar30° / 25°36628.2122.8
Apr30° / 25°35527.811.92.8
May30° / 25°27728.311.92.8
Jun31° / 25°15522.611.83.3
Jul31° / 25°10519.411.83.7
Aug32° / 26°8915.711.93.6
Sep32° / 26°10915.9123.3
Oct32° / 26°14016.912.13.1
Nov32° / 26°17820.512.13.0
Dec31° / 25°26725.812.22.9

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 (%)
11090
2991
3991
4991
5991
6991
7991
8991
9991
10892
11892
12892
13892
14892
15892
16793
17793
18793
19793
20892
21892
22892
23892
24892
25793
26793
27892
28892
29892
30892
31892

Chance of precipitation in January

Any precipitation

Itacoatiara gets around 337 mm of rain over 28 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 90% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
291
392
492
592
692
793
893
993
1093
1193
1293
1393
1493
1593
1692
1792
1891
1990
2090
2189
2288
2388
2488
2587
2687
2787
2887
2987
3087
3188

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the miserable band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12773
22872
32872
42971
53070
63169
73268
83367
93466
103565
113664
123763
133763
143862
153862
163862
173862
183862
193763
203763
213763
223664
233664
243664
253565
263565
273565
283565
293565
303565
313565

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 7 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
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 12 min at the start of January to 12 h 06 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 5:52 AM to 6:03 AM, and sunset from 6:02 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:526:02
212.25:526:03
312.25:536:03
412.25:536:04
512.25:536:04
612.25:546:04
712.25:546:05
812.25:556:05
912.25:556:06
1012.25:566:06
1112.25:566:06
1212.25:576:07
1312.25:576:07
1412.25:576:07
1512.25:586:08
1612.25:586:08
1712.25:596:08
1812.25:596:09
1912.25:596:09
2012.26:006:09
2112.26:006:09
2212.26:006:10
2312.26:016:10
2412.26:016:10
2512.16:016:10
2612.16:026:10
2712.16:026:11
2812.16:026:11
2912.16:026:11
3012.16:036:11
3112.16:036:11

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 3.94 kWh/m² to a high of 5.62 kWh/m² in October across the year — January's 4.25 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in January

Hazard calendar for Itacoatiara

In seasonPeak

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

Itacoatiara's rainy season runs November–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 Itacoatiara?

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

January is a weaker month for outdoor sightseeing in Itacoatiara.

What to pack for Itacoatiara in January

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

In January, Itacoatiara sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Itacoatiara in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Itacoatiara peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 14 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 15Nov 14UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec12Extreme

Air quality in Itacoatiara 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 Itacoatiara is worst in October — around 25 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 2125 µg/m³Jun 1710 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar15Moderate
Apr14Moderate
May11Good
Jun10Good
Jul10Good
Aug16Moderate
Sep22Moderate
Oct25Moderate
Nov24Moderate
Dec18Moderate
Location & terrain

Where is Itacoatiara?

Itacoatiara sits at 3.1°S, 58.4°W, 19 m above sea level, in Brazil. The nearest listed city is Urucurituba, 32 km away.

Topography around Itacoatiara

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

Within 3 km, the terrain around Itacoatiara has only modest variations in elevation — a maximum elevation change of 44 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, only modest variations in elevation — a maximum elevation change of 164 m.

The land around Itacoatiara is covered by trees (36%) and water (34%) within 3 km, trees (50%) and water (23%) within 16 km, and trees (78%) within 80 km.

3 km
44 m
16 km
56 m
80 km
164 m
treesgrasslandartificial surfaceswaterwetland
January weather nearby: Urucurituba 32 km · Maués 85 km · Autazes 90 km · Urucará 102 km · Nova Olinda do Norte 110 km · Rio Preto da Eva 148 km · Careiro da Várzea 154 km · Barreirinha 157 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 Itacoatiara (-3.1431°, -58.4442°, elevation 19 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).