Colinas do Tocantins weather in December

In December, Colinas do Tocantins sees average daytime highs of 30°C and overnight lows near 22°C, with 235 mm of rain across 25 wet days and about 12.5 hours of daylight. It is the 9th-warmest and 4th-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 7% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Colinas do Tocantins's 9th-clearest and 8th-windiest month. For the whole year in context, see Colinas do Tocantins's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
9th coldest
Rainfall
235 mm
25 wet days
Daylight
12 h 30 min
5:56 AM – 6:24 PM
Cloud cover
80%
9th clearest
Wind
5 km/h
8th windiest
Solar energy
5.13 kWh/m²
Travel score
3.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Colinas do Tocantins reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How December really feels in Colinas do Tocantins

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Colinas do Tocantins weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°28427.612.42.9
Feb30° / 22°26625.812.32.8
Mar30° / 22°27127.112.12.9
Apr31° / 22°18021.511.83.3
May31° / 22°7910.411.64.2
Jun32° / 22°40.911.54.8
Jul33° / 21°20.311.64.5
Aug34° / 21°30.511.73.7
Sep34° / 22°254.2123.4
Oct32° / 23°10514.612.23.4
Nov31° / 23°1972112.43.2
Dec30° / 22°2352512.53.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22080
32080
42080
52080
61981
71981
81981
91981
101981
111981
121882
131882
141882
151882
161882
171882
181783
191783
201783
211783
221783
231783
241783
251684
261684
271684
281684
291783
301783
311684

Chance of precipitation in December

Any precipitation

Colinas do Tocantins gets around 235 mm of rain over 25 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 81% 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
273
374
474
575
676
777
877
978
1079
1180
1281
1382
1482
1583
1683
1784
1884
1984
2084
2184
2284
2384
2484
2584
2684
2785
2885
2985
3085
3185

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12971
22971
32971
42971
51981
61990
71990
81990
91990
1001000
1101000
1201000
1301000
1401000
1501000
1601000
1701000
1801000
1901000
2001000
2101000
2201000
2301000
2401000
2501000
2601000
2701000
2801000
2901000
301990
311990

Wind in December

Winds average 5 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 12 h 24 min at the start of December to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:51 AM to 6:03 AM, and sunset from 6:17 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:516:17
212.45:516:17
312.45:516:18
412.45:516:18
512.45:526:19
612.45:526:19
712.55:526:20
812.55:536:20
912.55:536:21
1012.55:546:21
1112.55:546:22
1212.55:546:22
1312.55:556:23
1412.55:556:23
1512.55:566:24
1612.55:566:24
1712.55:576:25
1812.55:576:25
1912.55:576:26
2012.55:586:26
2112.55:586:26
2212.55:596:27
2312.55:596:27
2412.56:006:28
2512.56:006:28
2612.56:016:29
2712.56:016:29
2812.56:026:30
2912.56:026:30
3012.56:036:31
3112.56:036:31

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.13 kWh/m².

For context, solar energy here swings from a low near 4.77 kWh/m² to a high of 6.22 kWh/m² in September across the year — December's 5.13 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in December

Hazard calendar for Colinas do Tocantins

In seasonPeak

In December, Colinas do Tocantins sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Colinas do Tocantins'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 December a good time to visit Colinas do Tocantins?

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

3.1
Sightseeing
9th-best month of the year
4.3
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Colinas do Tocantins.

What to pack for Colinas do Tocantins in December

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

In December, Colinas do Tocantins sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Colinas do Tocantins in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Colinas do Tocantins peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 10UV 15Jun 22UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov12Extreme
Dec11Extreme

Air quality in Colinas do Tocantins in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Colinas do Tocantins is worst in September — around 47 µg/m³ PM2.5 (poor), about 7.0× the cleanest month (June, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1845 µg/m³Jun 237 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Good
Apr11Good
May9Good
Jun7Good
Jul7Good
Aug21Moderate
Sep47Poor
Oct30Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Colinas do Tocantins?

Colinas do Tocantins sits at 8.1°S, 48.5°W, 230 m above sea level, in Brazil. The nearest listed city is Guaraí, 86 km away.

Topography around Colinas do Tocantins

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

Within 3 km, the terrain around Colinas do Tocantins has only modest variations in elevation — a maximum elevation change of 77 m around an average of 216 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 371 m; within 80 km, significant variations in elevation — a maximum elevation change of 569 m.

The land around Colinas do Tocantins is covered by grassland (51%), artificial surfaces (24%) and trees (22%) within 3 km, grassland (71%) and trees (25%) within 16 km, and grassland (64%) and trees (32%) within 80 km.

3 km
77 m
16 km
371 m
80 km
569 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Guaraí 86 km · Conceição do Araguaia 90 km · Araguaína 101 km · Carolina 138 km · Floresta do Araguaia 147 km · Santa Maria das Barreiras 163 km · Miracema do Tocantins 168 km · Redenção 171 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 Colinas do Tocantins (-8.0592°, -48.475°, elevation 230 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).