Curionópolis weather in December

In December, Curionópolis sees average daytime highs of 30°C and overnight lows near 23°C, with 208 mm of rain across 25.3 wet days and about 12.3 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 5% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Curionópolis's 9th-clearest and 7th-windiest month. For the whole year in context, see Curionópolis's year-round climate.

Daytime high
30°
9th warmest
Overnight low
23°
9th coldest
Rainfall
208 mm
25.3 wet days
Daylight
12 h 24 min
6:04 AM – 6:25 PM
Cloud cover
81%
9th clearest
Wind
5 km/h
7th windiest
Solar energy
4.82 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 Curionópolis reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273022
283022
293022
303022
313022

How December really feels in Curionópolis

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.

Curionópolis 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°27028.412.32.9
Feb30° / 22°26226.112.22.8
Mar30° / 23°26528.4122.9
Apr30° / 23°19525.111.93.0
May31° / 22°10816.911.73.9
Jun32° / 22°214.711.74.8
Jul33° / 22°91.911.74.6
Aug34° / 22°71.311.84.1
Sep33° / 23°254.6123.9
Oct32° / 23°8013.412.13.7
Nov31° / 23°1592012.33.4
Dec30° / 23°20825.312.33.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
42080
52080
62080
71882
81882
91882
101783
111684
121684
131585
141585
151486
161387
171387
181387
191387
201387
211387
221387
231387
241387
251387
261387
271387
281387
291288
301288
311288

Chance of precipitation in December

Any precipitation

Curionópolis gets around 208 mm of rain over 25.3 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 82% and peaks near 88% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
170
271
371
471
572
673
774
875
976
1077
1179
1280
1381
1482
1583
1684
1785
1886
1987
2087
2187
2288
2388
2488
2588
2688
2788
2888
2988
3088
3188

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
Oppressive (%)Miserable (%)
1937
2937
3937
4937
5937
6937
7937
8937
9937
10937
11937
12937
13937
14946
15946
16946
17946
18955
19955
20955
21955
22964
23964
24964
25964
26964
27964
28964
29964
30955
31955

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 18 min at the start of December to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:58 AM to 6:11 AM, and sunset from 6:18 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:586:18
212.35:596:18
312.35:596:19
412.35:596:19
512.36:006:20
612.36:006:20
712.36:006:21
812.36:016:21
912.36:016:22
1012.36:016:22
1112.36:026:23
1212.36:026:23
1312.36:036:24
1412.46:036:24
1512.46:046:25
1612.46:046:25
1712.46:046:26
1812.46:056:26
1912.46:056:27
2012.46:066:27
2112.46:066:28
2212.46:076:28
2312.46:076:28
2412.46:086:29
2512.46:086:29
2612.46:096:30
2712.46:096:30
2812.46:106:31
2912.46:106:31
3012.46:116:32
3112.36:116:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.82 kWh/m².

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 6.17 kWh/m² in September across the year — December's 4.82 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Curionópolis

In seasonPeak

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

Curionópolis'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 Curionópolis?

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

3.1
Sightseeing
8th-best month of the year
4.3
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Curionópolis.

What to pack for Curionópolis in December

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

In December, Curionópolis sees daytime highs around 30°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 Curionópolis 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 Curionópolis peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 11UV 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Curionópolis 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 Curionópolis is worst in September — around 42 µg/m³ PM2.5 (poor), about 6.1× the cleanest month (June, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateSep 1940 µg/m³Jun 197 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar12Good
Apr12Good
May9Good
Jun7Good
Jul8Good
Aug20Moderate
Sep42Poor
Oct32Moderate
Nov25Moderate
Dec17Moderate
Location & terrain

Where is Curionópolis?

Curionópolis sits at 6.1°S, 49.6°W, 210 m above sea level, in Brazil. The nearest listed city is Eldorado dos Carajás, 27 km away.

Topography around Curionópolis

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

Within 3 km, the terrain around Curionópolis has only modest variations in elevation — a maximum elevation change of 110 m around an average of 198 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 593 m; within 80 km, large variations in elevation — a maximum elevation change of 785 m.

The land around Curionópolis is covered by grassland (76%) within 3 km, grassland (69%) and trees (30%) within 16 km, and grassland (62%) and trees (37%) within 80 km.

3 km
110 m
16 km
593 m
80 km
785 m
treesgrasslandartificial surfacesbare terrain
December weather nearby: Eldorado dos Carajás 27 km · Parauapebas 34 km · Canaã dos Carajás 55 km · Marabá 95 km · Itupiranga 112 km · São Domingos do Araguaia 114 km · Xinguara 117 km · São Geraldo do Araguaia 120 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 Curionópolis (-6.1017°, -49.5981°, elevation 210 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).