Tucumã weather in January

In January, Tucumã sees average daytime highs of 29°C and overnight lows near 22°C, with 263 mm of rain across 29.3 wet days and about 12.3 hours of daylight. It is the 12th-warmest and 2nd-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 2% of the time in January, and the air most often feels oppressive.

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

Daytime high
29°
12th warmest
Overnight low
22°
5th coldest
Rainfall
263 mm
29.3 wet days
Daylight
12 h 24 min
6:23 AM – 6:45 PM
Cloud cover
88%
10th clearest
Wind
5 km/h
10th windiest
Solar energy
4.52 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 29°C through the month.

A typical January day in Tucumã reaches about 29°C in the afternoon and slips back to 22°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 31°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)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

How January really feels in Tucumã

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.

Tucumã weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°26329.312.32.9
Feb29° / 22°2412612.23.0
Mar29° / 22°26528.9122.9
Apr30° / 22°20325.511.93.1
May30° / 22°10917.211.73.9
Jun32° / 21°173.711.64.9
Jul33° / 21°71.711.64.5
Aug34° / 22°101.911.83.9
Sep33° / 23°335.9123.8
Oct32° / 23°9916.112.13.5
Nov30° / 22°16222.312.33.3
Dec30° / 22°2032612.43.1

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 5% of January, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
3892
4892
5892
6892
7793
8793
9793
10793
11793
12694
13694
14694
15694
16694
17694
18694
19694
20694
21694
22694
23694
24694
25694
26694
27694
28793
29793
30793
31793

Chance of precipitation in January

Any precipitation

Tucumã gets around 263 mm of rain over 29.3 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
293
393
493
594
694
794
894
994
1094
1195
1295
1395
1495
1595
1695
1795
1895
1995
2095
2195
2295
2395
2495
2595
2695
2795
2894
2994
3094
3194

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

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
29991
30991
31991

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
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 6:16 AM to 6:29 AM, and sunset from 6:39 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:166:39
212.46:176:40
312.46:176:40
412.46:186:41
512.46:186:41
612.46:196:41
712.46:196:42
812.46:206:42
912.46:206:42
1012.46:216:43
1112.46:216:43
1212.46:226:43
1312.46:226:44
1412.46:226:44
1512.46:236:44
1612.46:236:45
1712.36:246:45
1812.36:246:45
1912.36:256:45
2012.36:256:45
2112.36:256:46
2212.36:266:46
2312.36:266:46
2412.36:276:46
2512.36:276:46
2612.36:276:46
2712.36:286:47
2812.36:286:47
2912.36:286:47
3012.36:296:47
3112.36:296:47

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.52 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.09 kWh/m² in September across the year — January's 4.52 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in January

Hazard calendar for Tucumã

In seasonPeak

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

Tucumã's monsoon runs November–April, 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 Tucumã?

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

2.9
Sightseeing
11th-best month of the year
3.8
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Tucumã.

What to pack for Tucumã in January

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

In January, Tucumã sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Tucumã 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 Tucumã peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 highExtremeMar 12UV 15Jun 21UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tucumã 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 Tucumã is worst in September — around 55 µg/m³ PM2.5 (poor), about 7.2× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModeratePoorModerateSep 1652 µg/m³Jun 238 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb11Good
Mar11Good
Apr12Moderate
May10Good
Jun8Good
Jul8Good
Aug30Moderate
Sep55Poor
Oct29Moderate
Nov22Moderate
Dec17Moderate
Location & terrain

Where is Tucumã?

Tucumã sits at 6.7°S, 51.2°W, 302 m above sea level, in Brazil. The nearest listed city is Ourilândia do Norte, 9.0 km away.

Topography around Tucumã

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

Within 3 km, the terrain around Tucumã has significant variations in elevation — a maximum elevation change of 324 m around an average of 330 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 383 m; within 80 km, significant variations in elevation — a maximum elevation change of 564 m.

The land around Tucumã is covered by trees (43%), grassland (37%) and artificial surfaces (20%) within 3 km, grassland (58%) and trees (40%) within 16 km, and trees (65%) and grassland (34%) within 80 km.

3 km
324 m
16 km
383 m
80 km
564 m
treesgrasslandartificial surfacesbare terrain
January weather nearby: Ourilândia do Norte 9.0 km · Água Azul do Norte 77 km · São Félix do Xingu 93 km · Rio Maria 138 km · Xinguara 140 km · Canaã dos Carajás 147 km · Parauapebas 158 km · Floresta do Araguaia 183 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 Tucumã (-6.7475°, -51.1611°, elevation 302 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).