Humaitá weather in January

In January, Humaitá sees average daytime highs of 30°C and overnight lows near 24°C, with 330 mm of rain across 29.2 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 0% of the time in January, and the air most often feels miserable.

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 Humaitá's 10th-clearest and 6th-windiest month. For the whole year in context, see Humaitá's year-round climate.

Daytime high
30°
12th warmest
Overnight low
24°
6th coldest
Rainfall
330 mm
29.2 wet days
Daylight
12 h 24 min
6:10 AM – 6:33 PM
Cloud cover
89%
10th clearest
Wind
5 km/h
6th windiest
Solar energy
4.39 kWh/m²
Travel score
2.7
out of 10

Humaitá 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 30°C through the month.

A typical January day in Humaitá reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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 on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How January really feels in Humaitá

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.

Humaitá 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° / 24°33029.212.42.7
Feb30° / 24°30926.412.22.7
Mar30° / 24°32129.212.12.7
Apr30° / 24°25527.111.82.8
May30° / 24°17424.311.73.3
Jun30° / 24°681311.64.5
Jul31° / 23°346.911.65.0
Aug32° / 24°569.511.84.0
Sep32° / 24°12317.9123.2
Oct32° / 24°18322.812.22.9
Nov31° / 24°23425.712.32.7
Dec30° / 24°29928.412.42.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 4% of January, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3496
4496
5496
6496
7496
8496
9496
10496
11496
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22496
23496
24496
25496
26496
27496
28397
29397
30397
31397

Chance of precipitation in January

Any precipitation

Humaitá gets around 330 mm of rain over 29.2 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
594
694
794
894
994
1094
1194
1294
1394
1494
1594
1694
1794
1894
1994
2094
2194
2294
2394
2494
2595
2695
2795
2895
2995
3095
3195

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 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12080
22080
32179
42179
52278
62278
72377
82476
92476
102575
112575
122674
132674
142674
152674
162575
172575
182575
192476
202476
212377
222377
232278
242278
252278
262278
272278
282278
292377
302377
312377

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
54calm
64calm
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 6:02 AM to 6:16 AM, and sunset from 6:28 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:026:28
212.46:036:29
312.46:036:29
412.46:046:29
512.46:046:30
612.46:056:30
712.46:056:30
812.46:066:31
912.46:066:31
1012.46:076:31
1112.46:076:32
1212.46:086:32
1312.46:086:32
1412.46:096:33
1512.46:096:33
1612.46:106:33
1712.46:106:33
1812.46:116:34
1912.46:116:34
2012.46:116:34
2112.46:126:34
2212.46:126:34
2312.46:136:35
2412.46:136:35
2512.46:136:35
2612.46:146:35
2712.36:146:35
2812.36:156:35
2912.36:156:35
3012.36:156:35
3112.36:166:35

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.39 kWh/m².

For context, solar energy here swings from a low near 4.08 kWh/m² to a high of 5.39 kWh/m² in September across the year — January's 4.39 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in January

Hazard calendar for Humaitá

In seasonPeak

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

Humaitá's rainy season runs October–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 Humaitá?

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

2.7
Sightseeing
8th-best month of the year
3.7
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Humaitá.

What to pack for Humaitá in January

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

In January, Humaitá sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Humaitá 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 Humaitá peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 11 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 13UV 15Sep 11UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug6High
Sep5Moderate
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Humaitá 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 Humaitá is worst in August — around 84 µg/m³ PM2.5 (unhealthy), about 9.2× the cleanest month (June, 9 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateAug 2181 µg/m³Jun 109 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar14Moderate
Apr11Good
May10Good
Jun9Good
Jul18Moderate
Aug84Unhealthy
Sep69Unhealthy
Oct23Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Humaitá?

Humaitá sits at 7.5°S, 63.0°W, 54 m above sea level, in Brazil. The nearest listed city is Candeias do Jamari, 161 km away.

Alto ParaísoAriquemes

Topography around Humaitá

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

Within 3 km, the terrain around Humaitá has only modest variations in elevation — a maximum elevation change of 38 m around an average of 51 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, only modest variations in elevation — a maximum elevation change of 72 m.

The land around Humaitá is covered by trees (38%) and grassland (31%) within 3 km, trees (69%) and grassland (22%) within 16 km, and trees (93%) within 80 km.

3 km
38 m
16 km
45 m
80 km
72 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Candeias do Jamari 161 km · Porto Velho 169 km · Canutama 185 km · Lábrea 197 km · Tapauá 211 km · Machadinho d'Oeste 243 km · Alto Paraíso 247 km · Ariquemes 267 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 Humaitá (-7.5165°, -63.0311°, elevation 54 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).