Oeiras do Pará weather in December

In December, Oeiras do Pará sees average daytime highs of 32°C and overnight lows near 25°C, with 133 mm of rain across 18.2 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 15% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Oeiras do Pará's 7th-clearest and 4th-windiest month. For the whole year in context, see Oeiras do Pará's year-round climate.

Daytime high
32°
5th warmest
Overnight low
25°
10th coldest
Rainfall
133 mm
18.2 wet days
Daylight
12 h 06 min
6:12 AM – 6:19 PM
Cloud cover
70%
7th clearest
Wind
8 km/h
4th windiest
Solar energy
5.42 kWh/m²
Travel score
3.1
out of 10

Oeiras do Pará is settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical December day in Oeiras do Pará reaches about 32°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°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)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133225
143225
153225
163225
173225
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313124

How December really feels in Oeiras 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.

Oeiras do Pará weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°27927.912.12.6
Feb30° / 24°35926.812.12.6
Mar30° / 24°46030.3122.5
Apr30° / 24°42529.2122.5
May31° / 24°2952811.92.6
Jun32° / 24°13421.111.93.1
Jul32° / 24°8316.911.93.5
Aug33° / 24°4511.211.93.6
Sep33° / 25°296.7123.6
Oct34° / 25°296.9123.5
Nov33° / 25°558.712.13.4
Dec32° / 25°13318.212.13.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 67%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34555
44456
54456
64357
74258
84159
94159
104060
113961
123763
133763
143664
153367
163367
173169
183169
192971
202971
212773
222674
232674
242575
252476
262476
272476
282377
292377
302377
312278

Chance of precipitation in December

Any precipitation

Oeiras do Pará gets around 133 mm of rain over 18.2 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 59% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
135
236
337
439
540
641
743
845
946
1048
1150
1252
1354
1456
1558
1660
1762
1863
1965
2067
2168
2270
2371
2473
2574
2675
2776
2877
2978
3079
3180

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16634
26535
36535
46436
56337
66238
76139
86040
95941
105842
115743
125644
135545
145347
155248
165050
174951
184852
194654
204555
214456
224357
234258
244159
254060
263961
273862
283862
293763
303763
313664

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 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 6:06 AM to 6:19 AM, and sunset from 6:12 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:066:12
212.16:066:13
312.16:076:13
412.16:076:14
512.16:076:14
612.16:086:14
712.16:086:15
812.16:096:15
912.16:096:16
1012.16:096:16
1112.16:106:17
1212.16:106:17
1312.16:116:18
1412.16:116:18
1512.16:126:19
1612.16:126:19
1712.16:136:20
1812.16:136:20
1912.16:146:20
2012.16:146:21
2112.16:146:21
2212.16:156:22
2312.16:156:22
2412.16:166:23
2512.16:166:23
2612.16:176:24
2712.16:176:24
2812.16:186:25
2912.16:186:25
3012.16:196:26
3112.16:196:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.42 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 6.51 kWh/m² in October across the year — December's 5.42 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Oeiras do Pará

In seasonPeak

None of Oeiras do Pará's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Oeiras do Pará's monsoon runs January–May, 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 Oeiras do Pará?

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

3.1
Sightseeing
6th-best month of the year
5.1
Beach & pool
6th-best month of the year

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

What to pack for Oeiras do Pará in December

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

In December, Oeiras do Pará sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Oeiras 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 Oeiras do Pará peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jul 18UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Oeiras 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 Oeiras do Pará is worst in November — around 34 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (June, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1433 µg/m³Jun 1110 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb18Moderate
Mar18Moderate
Apr15Moderate
May11Good
Jun10Good
Jul13Moderate
Aug14Moderate
Sep17Moderate
Oct26Moderate
Nov34Moderate
Dec19Moderate
Location & terrain

Where is Oeiras do Pará?

Oeiras do Pará sits at 2.0°S, 49.9°W, 6 m above sea level, in Brazil. The nearest listed city is Curralinho, 22 km away.

Topography around Oeiras do Pará

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

Within 3 km, the terrain around Oeiras do Pará has only modest variations in elevation — a maximum elevation change of 31 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 34 m; within 80 km, only modest variations in elevation — a maximum elevation change of 55 m.

The land around Oeiras do Pará is covered by trees (63%) and water (24%) within 3 km, trees (76%) within 16 km, and trees (79%) within 80 km.

3 km
31 m
16 km
34 m
80 km
55 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Curralinho 22 km · Bagre 41 km · Cametá 48 km · São Sebastião da Boa Vista 48 km · Limoeiro do Ajuru 54 km · Mocajuba 75 km · Breves 78 km · Muaná 88 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 Oeiras do Pará (-2.0031°, -49.8544°, elevation 6 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).