Mucajaí weather in January

In January, Mucajaí sees average daytime highs of 32°C and overnight lows near 24°C, with 46 mm of rain across 7.8 wet days and about 11.9 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 13% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Mucajaí's 4th-clearest and 2nd-windiest month. For the whole year in context, see Mucajaí's year-round climate.

Daytime high
32°
5th warmest
Overnight low
24°
10th coldest
Rainfall
46 mm
7.8 wet days
Daylight
11 h 54 min
6:17 AM – 6:09 PM
Cloud cover
69%
4th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.15 kWh/m²
Travel score
4.1
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in Mucajaí reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°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)
13124
23124
33124
43124
53124
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How January really feels in Mucajaí

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.

Mucajaí weather by month

How January compares with the rest of the year at a glance. January is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°467.811.94.1
Feb32° / 24°427.411.93.9
Mar33° / 24°7610.5123.5
Apr31° / 24°24218.812.13.3
May30° / 23°39227.712.13.0
Jun29° / 23°35028.212.13.0
Jul29° / 22°27728.712.13.1
Aug30° / 23°19225.412.13.1
Sep32° / 23°11418123.4
Oct32° / 24°9114.711.93.4
Nov32° / 24°11216.211.93.3
Dec32° / 24°8112.911.93.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43763
53763
63763
73664
83664
93664
103664
113565
123565
133565
143466
153466
163565
173466
183466
193466
203466
213367
223367
233367
243268
253268
263268
273268
283268
293268
303268
313268

Chance of precipitation in January

Any precipitation

Mucajaí gets around 46 mm of rain over 7.8 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 26% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
230
328
427
527
626
726
826
926
1027
1127
1227
1326
1426
1526
1626
1725
1825
1925
2025
2125
2224
2324
2424
2524
2624
2724
2824
2924
3024
3124

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1234622
2236602
3237592
4238591
5239581
6240571
7241561
8242560
9342550
10343540
11343540
12344521
13344521
14445501
15446491
16447481
17547471
18548461
19648451
20648451
21748441
22748441
23848431
24848431
25948431
26948431
27947431
281046431
291046431
301145441
311144441

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 54 min at the start of January to 11 h 54 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 6:11 AM to 6:20 AM, and sunset from 6:03 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:116:03
211.96:116:03
311.96:126:04
411.96:126:04
511.96:136:04
611.96:136:05
711.96:136:05
811.96:146:06
911.96:146:06
1011.96:156:07
1111.96:156:07
1211.96:156:08
1311.96:166:08
1411.96:166:08
1511.96:166:09
1611.96:176:09
1711.96:176:10
1811.96:176:10
1911.96:186:10
2011.96:186:11
2111.96:186:11
2211.96:186:11
2311.96:196:12
2411.96:196:12
2511.96:196:12
2611.96:196:12
2711.96:206:13
2811.96:206:13
2911.96:206:13
3011.96:206:14
3111.96:206:14

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.15 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 5.6 kWh/m² in October across the year — January's 5.15 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Mucajaí

In seasonPeak

None of Mucajaí's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Mucajaí's monsoon runs April–August, 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 Mucajaí?

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

4.1
Sightseeing
1st-best month of the year
6.5
Beach & pool
1st-best month of the year

January is a reasonable time to visit Mucajaí for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mucajaí in January

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

In January, Mucajaí sees daytime highs around 32°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Mucajaí 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 Mucajaí peaks around March 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 21UV 15Nov 16UV 11
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Mucajaí 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 Mucajaí is worst in March — around 31 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1830 µg/m³Jul 2111 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb21Moderate
Mar31Moderate
Apr25Moderate
May14Moderate
Jun12Good
Jul11Good
Aug12Good
Sep12Moderate
Oct13Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Mucajaí?

Mucajaí sits at 2.4°N, 60.9°W, 83 m above sea level, in Brazil. The nearest listed city is Cantá, 40 km away.

Topography around Mucajaí

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

Within 3 km, the terrain around Mucajaí has only modest variations in elevation — a maximum elevation change of 108 m around an average of 83 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 296 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,406 m.

The land around Mucajaí is covered by grassland (59%) and trees (33%) within 3 km, trees (61%) and grassland (33%) within 16 km, and trees (64%) and grassland (33%) within 80 km.

3 km
108 m
16 km
296 m
80 km
1,406 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Cantá 40 km · Boa Vista 50 km · Caracaraí 73 km · Alto Alegre 83 km · Lethem 161 km · Rorainópolis 175 km · Pacaraima 223 km · Santa Elena de Uairén 241 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 Mucajaí (2.4399°, -60.9115°, elevation 83 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).