Rondon do Pará weather in December

In December, Rondon do Pará sees average daytime highs of 31°C and overnight lows near 22°C, with 188 mm of rain across 21.8 wet days and about 12.3 hours of daylight. It is the 7th-warmest and 5th-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 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 Rondon do Pará's 8th-clearest and 8th-windiest month. For the whole year in context, see Rondon do Pará's year-round climate.

Daytime high
31°
7th warmest
Overnight low
22°
9th coldest
Rainfall
188 mm
21.8 wet days
Daylight
12 h 18 min
6:00 AM – 6:17 PM
Cloud cover
78%
8th clearest
Wind
6 km/h
8th windiest
Solar energy
5.09 kWh/m²
Travel score
3.2
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 Rondon do Pará reaches about 31°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 28°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C warmer than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How December really feels in Rondon do Pará

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.

Rondon do Pará weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°27427.512.22.9
Feb30° / 22°28425.912.22.8
Mar30° / 22°33629.3122.7
Apr30° / 22°24026.211.92.9
May31° / 22°13017.311.83.8
Jun32° / 22°235.211.74.5
Jul33° / 21°132.811.84.2
Aug34° / 22°61.211.83.8
Sep34° / 23°163.4123.7
Oct33° / 23°468.412.13.6
Nov32° / 23°11315.312.23.4
Dec31° / 22°18821.812.33.2

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 15% of December, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42773
52773
62674
72674
82674
92575
102575
112377
122377
132278
142179
152080
162080
171981
181882
191783
201783
211684
221684
231684
241585
251585
261486
271486
281387
291387
301288
311288

Chance of precipitation in December

Any precipitation

Rondon do Pará gets around 188 mm of rain over 21.8 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 71% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
258
358
458
559
660
760
861
962
1064
1165
1266
1368
1469
1571
1672
1773
1875
1976
2077
2177
2278
2379
2479
2580
2681
2781
2882
2982
3083
3183

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
19910
29910
38920
48920
58920
67930
77930
86940
96940
105950
115950
125950
134960
144960
153970
163970
172980
182980
192980
201990
211990
221990
231990
241981
251981
261981
271981
281981
290991
300991
310991

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 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 5:54 AM to 6:07 AM, and sunset from 6:10 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:546:10
212.35:556:10
312.35:556:11
412.35:556:11
512.35:566:12
612.35:566:12
712.35:566:12
812.35:576:13
912.35:576:13
1012.35:586:14
1112.35:586:14
1212.35:586:15
1312.35:596:15
1412.35:596:16
1512.36:006:16
1612.36:006:17
1712.36:016:17
1812.36:016:18
1912.36:026:18
2012.36:026:19
2112.36:026:19
2212.36:036:20
2312.36:036:20
2412.36:046:20
2512.36:046:21
2612.36:056:21
2712.36:056:22
2812.36:066:22
2912.36:066:23
3012.36:076:23
3112.36:076:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.09 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.22 kWh/m² in September across the year — December's 5.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Rondon do Pará

In seasonPeak

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

Rondon do Pará'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 December a good time to visit Rondon do Pará?

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

3.2
Sightseeing
8th-best month of the year
4.7
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Rondon do Pará.

What to pack for Rondon do Pará in December

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

In December, Rondon do Pará sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Rondon do Pará in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rondon do Pará peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 15Jul 14UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Rondon do Pará 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 Rondon do Pará is worst in November — around 35 µg/m³ PM2.5 (poor), about 3.3× the cleanest month (May, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1334 µg/m³May 1611 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar13Moderate
Apr12Good
May11Good
Jun12Good
Jul15Moderate
Aug19Moderate
Sep24Moderate
Oct30Moderate
Nov35Poor
Dec24Moderate
Location & terrain

Where is Rondon do Pará?

Rondon do Pará sits at 4.8°S, 48.1°W, 191 m above sea level, in Brazil. The nearest listed city is Açailândia, 65 km away.

Topography around Rondon do Pará

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

Within 3 km, the terrain around Rondon do Pará has only modest variations in elevation — a maximum elevation change of 99 m around an average of 190 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 223 m; within 80 km, significant variations in elevation — a maximum elevation change of 344 m.

The land around Rondon do Pará is covered by trees (43%) and grassland (41%) within 3 km, grassland (55%) and trees (40%) within 16 km, and trees (50%) and grassland (46%) within 80 km.

3 km
99 m
16 km
223 m
80 km
344 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Açailândia 65 km · Bom Jesus do Tocantins 67 km · Itinga do Maranhão 70 km · Dom Eliseu 83 km · Araguatins 97 km · Imperatriz 105 km · João Lisboa 105 km · São Domingos do Araguaia 112 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 Rondon do Pará (-4.7761°, -48.0672°, elevation 191 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).