Capitão Poço weather in December

In December, Capitão Poço sees average daytime highs of 33°C and overnight lows near 24°C, with 84 mm of rain across 14.9 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 11% 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 Capitão Poço's 7th-clearest and 4th-windiest month. For the whole year in context, see Capitão Poço's year-round climate.

Daytime high
33°
4th warmest
Overnight low
24°
12th coldest
Rainfall
84 mm
14.9 wet days
Daylight
12 h 06 min
6:01 AM – 6:07 PM
Cloud cover
68%
7th clearest
Wind
10 km/h
4th windiest
Solar energy
5.2 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 33°C through the month.

A typical December day in Capitão Poço reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, December runs on par with November and about 1°C warmer than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233224
243224
253224
263224
273224
283224
293224
303224
313223

How December really feels in Capitão Poço

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.

Capitão Poço weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°20025.912.12.6
Feb31° / 23°27626.312.12.6
Mar30° / 23°37730.2122.5
Apr30° / 23°35129122.5
May31° / 23°20626.711.92.8
Jun31° / 22°10319.611.93.5
Jul31° / 22°7316.811.93.9
Aug32° / 22°3610.411.94.2
Sep33° / 23°267.1123.9
Oct33° / 23°265.9123.7
Nov33° / 24°377.312.13.5
Dec33° / 24°8414.912.13.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34753
44753
54753
64654
74654
84555
94456
104357
114258
124159
134060
143961
153763
163763
173565
183466
193367
203169
213169
223070
233070
242872
252872
262773
272773
282773
292773
302674
312674

Chance of precipitation in December

Any precipitation

Capitão Poço gets around 84 mm of rain over 14.9 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 48% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
127
227
329
430
531
633
734
836
938
1039
1141
1243
1345
1446
1548
1650
1751
1852
1954
2055
2156
2258
2359
2460
2561
2663
2764
2865
2966
3067
3169

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13961
22971
32971
42971
52971
62971
72971
81981
91981
101981
111981
121981
131981
141981
151981
161981
171981
181981
191972
201972
211972
221972
231972
241963
251963
261963
271963
281954
291954
301954
311954

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:55 AM to 6:08 AM, and sunset from 6:01 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:556:01
212.15:566:01
312.15:566:02
412.15:566:02
512.15:576:02
612.15:576:03
712.15:576:03
812.15:586:04
912.15:586:04
1012.15:596:05
1112.15:596:05
1212.16:006:06
1312.16:006:06
1412.16:006:06
1512.16:016:07
1612.16:016:07
1712.16:026:08
1812.16:026:08
1912.16:036:09
2012.16:036:09
2112.16:046:10
2212.16:046:10
2312.16:056:11
2412.16:056:11
2512.16:066:12
2612.16:066:12
2712.16:076:13
2812.16:076:13
2912.16:076:13
3012.16:086:14
3112.16:086:14

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.2 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 6.03 kWh/m² in October across the year — December's 5.2 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.2Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in December

Hazard calendar for Capitão Poço

In seasonPeak

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

Capitão Poço'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 Capitão Poço?

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

3.1
Sightseeing
7th-best month of the year
5.4
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Capitão Poço.

What to pack for Capitão Poço in December

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

In December, Capitão Poço sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Capitão Poço 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 Capitão Poço peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Capitão Poço 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 Capitão Poço is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 2020 µg/m³Jul 128 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar20Moderate
Apr15Moderate
May10Good
Jun8Good
Jul8Good
Aug9Good
Sep11Good
Oct13Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Capitão Poço?

Capitão Poço sits at 1.7°S, 47.1°W, 69 m above sea level, in Brazil. The nearest listed city is Garrafão do Norte, 21 km away.

Topography around Capitão Poço

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

Within 3 km, the terrain around Capitão Poço has only modest variations in elevation — a maximum elevation change of 45 m around an average of 76 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 125 m; within 80 km, only modest variations in elevation — a maximum elevation change of 216 m.

The land around Capitão Poço is covered by grassland (55%) and trees (32%) within 3 km, grassland (54%) and trees (45%) within 16 km, and trees (57%) and grassland (43%) within 80 km.

3 km
45 m
16 km
125 m
80 km
216 m
treesgrasslandartificial surfaces
December weather nearby: Garrafão do Norte 21 km · Ourém 22 km · Santa Luzia do Pará 31 km · Irituia 42 km · São Miguel do Guamá 49 km · Cachoeira do Piriá 57 km · Nova Esperança do Piriá 59 km · Capanema 63 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 Capitão Poço (-1.7464°, -47.0594°, elevation 69 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).