Gurupi weather in December

In December, Gurupi sees average daytime highs of 31°C and overnight lows near 23°C, with 265 mm of rain across 24.5 wet days and about 12.7 hours of daylight. It is the 9th-warmest and 2nd-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 9% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of December to 12 h 42 min by month's end. Set against the rest of the year, December is Gurupi's 11th-clearest and 9th-windiest month. For the whole year in context, see Gurupi's year-round climate.

Daytime high
31°
9th warmest
Overnight low
23°
9th coldest
Rainfall
265 mm
24.5 wet days
Daylight
12 h 42 min
5:52 AM – 6:33 PM
Cloud cover
80%
11th clearest
Wind
6 km/h
9th windiest
Solar energy
5.27 kWh/m²
Travel score
3.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Gurupi 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 27°C and 34°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)
13123
23123
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
293023
303023
313023

How December really feels in Gurupi

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.

Gurupi weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°29025.912.63.0
Feb30° / 23°24623.412.43.0
Mar31° / 23°25024.512.13.1
Apr31° / 23°13516.211.73.7
May32° / 22°284.511.54.4
Jun33° / 21°20.411.34.9
Jul33° / 21°0011.44.7
Aug35° / 22°10.211.63.5
Sep36° / 24°182.911.92.7
Oct34° / 24°10913.412.32.9
Nov31° / 23°23522.312.53.0
Dec31° / 23°26524.512.73.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31882
41882
51981
61981
71981
81981
91981
101981
111981
121981
132080
142080
152080
162278
172278
182278
192278
202278
212278
222278
232278
242278
252278
262278
272278
282278
292278
302278
312278

Chance of precipitation in December

Any precipitation

Gurupi gets around 265 mm of rain over 24.5 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 80% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
180
280
380
480
580
680
780
880
980
1080
1180
1280
1380
1480
1580
1679
1779
1879
1979
2079
2179
2279
2379
2479
2579
2680
2780
2880
2980
3081
3181

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
117911
217911
317911
416921
516921
606931
706931
806931
906931
1006931
1106931
1206931
1306931
1405941
1505941
1605941
1705941
1805941
1906931
2006931
2106931
2206931
2306931
2405950
2505950
2605950
2705950
2805950
2905950
3004960
3104951

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 36 min at the start of December to 12 h 42 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 5:47 AM to 5:59 AM, and sunset from 6:25 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:476:25
212.65:476:26
312.65:476:26
412.75:486:27
512.75:486:27
612.75:486:28
712.75:496:28
812.75:496:29
912.75:496:29
1012.75:506:30
1112.75:506:30
1212.75:506:31
1312.75:516:31
1412.75:516:32
1512.75:516:32
1612.75:526:33
1712.75:526:33
1812.75:536:34
1912.75:536:34
2012.75:546:35
2112.75:546:35
2212.75:556:36
2312.75:556:36
2412.75:566:37
2512.75:566:37
2612.75:576:38
2712.75:576:38
2812.75:586:39
2912.75:586:39
3012.75:596:39
3112.75:596:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.27 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 6.15 kWh/m² in September across the year — December's 5.27 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
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for Gurupi

In seasonPeak

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

Gurupi'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 Gurupi?

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

3.0
Sightseeing
7th-best month of the year
4.3
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Gurupi.

What to pack for Gurupi in December

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

In December, Gurupi sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Gurupi in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gurupi peaks around February 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 14UV 15Jun 21UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct10Extreme
Nov12Extreme
Dec12Extreme

Air quality in Gurupi 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 Gurupi is worst in October — around 24 µg/m³ PM2.5 (moderate), about 6.2× the cleanest month (July, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1223 µg/m³Jul 114 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar9Good
Apr8Good
May6Good
Jun4Good
Jul4Good
Aug7Good
Sep20Moderate
Oct24Moderate
Nov12Good
Dec9Good
Location & terrain

Where is Gurupi?

Gurupi sits at 11.7°S, 49.1°W, 299 m above sea level, in Brazil. The nearest listed city is Formoso do Araguaia, 51 km away.

Topography around Gurupi

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

Within 3 km, the terrain around Gurupi has only modest variations in elevation — a maximum elevation change of 68 m around an average of 291 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 125 m; within 80 km, significant variations in elevation — a maximum elevation change of 395 m.

The land around Gurupi is covered by artificial surfaces (52%), grassland (23%) and trees (22%) within 3 km, grassland (56%) and trees (31%) within 16 km, and grassland (48%) and trees (39%) within 80 km.

3 km
68 m
16 km
125 m
80 km
395 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Formoso do Araguaia 51 km · Lagoa da Confusão 120 km · Porto Nacional 134 km · Paraíso do Tocantins 174 km · Porangatu 191 km · Palmas 192 km · São Miguel do Araguaia 209 km · Minaçu 221 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 Gurupi (-11.7292°, -49.0686°, elevation 299 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).