Tuntum weather in January

In January, Tuntum sees average daytime highs of 31°C and overnight lows near 23°C, with 205 mm of rain across 25.7 wet days and about 12.3 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 5% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Tuntum's 10th-clearest and 9th-windiest month. For the whole year in context, see Tuntum's year-round climate.

Daytime high
31°
9th warmest
Overnight low
23°
8th coldest
Rainfall
205 mm
25.7 wet days
Daylight
12 h 18 min
6:00 AM – 6:16 PM
Cloud cover
81%
10th clearest
Wind
5 km/h
9th windiest
Solar energy
4.68 kWh/m²
Travel score
2.8
out of 10

Tuntum 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 31°C through the month.

A typical January day in Tuntum reaches about 31°C in the afternoon and slips back to 23°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 33°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Tuntum

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.

Tuntum 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
Jan31° / 23°20525.712.32.8
Feb31° / 23°20724.112.22.8
Mar31° / 23°23427.6122.7
Apr31° / 23°18122.611.93.1
May31° / 23°861311.84.1
Jun32° / 23°132.911.74.8
Jul33° / 22°71.211.74.5
Aug34° / 23°30.511.83.8
Sep35° / 24°81.8123.0
Oct35° / 24°224.312.12.9
Nov34° / 24°6810.212.23.0
Dec33° / 24°1221712.33.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22278
32278
42080
51981
61882
71783
81783
91585
101486
111387
121387
131387
141288
151288
161288
171288
181288
191486
201486
211486
221585
231585
241585
251684
261684
271684
281684
291684
301684
311684

Chance of precipitation in January

Any precipitation

Tuntum gets around 205 mm of rain over 25.7 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 82% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
173
274
376
477
578
679
780
881
981
1082
1183
1284
1384
1485
1585
1685
1785
1885
1985
2085
2185
2285
2385
2484
2584
2684
2783
2883
2982
3082
3182

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
117425
217326
317326
417326
517326
617326
717326
807426
907327
1007327
1107327
1207228
1307228
1407129
1507129
1607030
1706931
1806931
1906832
2006832
2106733
2206733
2306733
2406733
2506634
2606634
2706634
2806634
2906634
3006535
3106535

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 18 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 shrink by about 6 minutes over January. Sunrise moves from 5:53 AM to 6:05 AM, and sunset from 6:11 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:536:11
212.35:536:11
312.35:546:12
412.35:546:12
512.35:556:12
612.35:556:13
712.35:566:13
812.35:566:14
912.35:576:14
1012.35:576:14
1112.35:576:15
1212.35:586:15
1312.35:586:15
1412.35:596:16
1512.35:596:16
1612.36:006:16
1712.36:006:16
1812.36:006:17
1912.36:016:17
2012.36:016:17
2112.36:026:17
2212.36:026:18
2312.36:026:18
2412.36:036:18
2512.26:036:18
2612.26:036:18
2712.26:046:18
2812.26:046:19
2912.26:046:19
3012.26:056:19
3112.26:056:19

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.68 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.4 kWh/m² in September across the year — January's 4.68 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in January

Hazard calendar for Tuntum

In seasonPeak

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

Tuntum's monsoon runs December–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 Tuntum?

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

2.8
Sightseeing
10th-best month of the year
4.2
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Tuntum.

What to pack for Tuntum in January

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

In January, Tuntum sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Tuntum 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 Tuntum peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tuntum 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 Tuntum is worst in October — around 36 µg/m³ PM2.5 (poor), about 5.1× the cleanest month (June, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1834 µg/m³Jun 197 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar13Moderate
Apr12Good
May9Good
Jun7Good
Jul8Good
Aug16Moderate
Sep22Moderate
Oct36Poor
Nov27Moderate
Dec18Moderate
Location & terrain

Where is Tuntum?

Tuntum sits at 5.3°S, 44.6°W, 109 m above sea level, in Brazil. The nearest listed city is Presidente Dutra, 18 km away.

Topography around Tuntum

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

Within 3 km, the terrain around Tuntum has only modest variations in elevation — a maximum elevation change of 93 m around an average of 109 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 163 m; within 80 km, significant variations in elevation — a maximum elevation change of 392 m.

The land around Tuntum is covered by grassland (61%) and trees (31%) within 3 km, grassland (57%) and trees (38%) within 16 km, and trees (57%) and grassland (41%) within 80 km.

3 km
93 m
16 km
163 m
80 km
392 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Presidente Dutra 18 km · Dom Pedro 34 km · São Domingos do Maranhão 46 km · Esperantinópolis 50 km · Poção de Pedras 65 km · Barra do Corda 71 km · Fortuna 76 km · Trizidela do Vale 76 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 Tuntum (-5.2581°, -44.6489°, elevation 109 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).