Baião weather in December

In December, Baião sees average daytime highs of 33°C and overnight lows near 24°C, with 151 mm of rain across 19.1 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 6th-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 10% 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 12 min by month's end. Set against the rest of the year, December is Baião's 7th-clearest and 5th-windiest month. For the whole year in context, see Baião's year-round climate.

Daytime high
33°
5th warmest
Overnight low
24°
9th coldest
Rainfall
151 mm
19.1 wet days
Daylight
12 h 12 min
6:10 AM – 6:20 PM
Cloud cover
73%
7th clearest
Wind
7 km/h
5th windiest
Solar energy
5.16 kWh/m²
Travel score
2.8
out of 10

Baião is human 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 33°C through the month.

A typical December day in Baião reaches about 33°C in the afternoon and slips back to 24°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 35°C. Set against its neighbours, December runs about 1°C cooler than November and about 2°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123324
133324
143324
153324
163324
173324
183324
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How December really feels in Baião

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.

Baião weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°26827.412.12.6
Feb31° / 24°30926.412.12.5
Mar31° / 24°36129.8122.4
Apr31° / 24°31828.411.92.5
May31° / 24°19325.611.92.7
Jun32° / 24°7415.911.83.5
Jul33° / 23°5111.311.93.7
Aug34° / 24°337.211.93.4
Sep34° / 24°296.2123.2
Oct34° / 25°37812.13.0
Nov34° / 25°7511.112.13.0
Dec33° / 24°15119.112.22.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23862
33862
43862
53763
63763
73664
83664
93565
103466
113367
123268
133169
142971
152971
162773
172674
182674
192575
202476
212377
222278
232278
242278
252179
262179
272179
282179
292179
302080
312080

Chance of precipitation in December

Any precipitation

Baião gets around 151 mm of rain over 19.1 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 62% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
143
244
344
445
546
648
749
850
952
1053
1155
1257
1358
1460
1561
1663
1764
1866
1967
2068
2170
2271
2372
2474
2575
2676
2777
2879
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 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
117821
217821
317722
417722
507822
607723
707723
807624
907525
1007525
1107426
1207327
1307228
1407129
1507030
1607030
1706931
1806832
1906832
2006832
2106733
2206733
2306634
2406634
2506535
2606535
2706535
2806436
2906436
3006436
3106436

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
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 12 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 6:04 AM to 6:17 AM, and sunset from 6:13 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:046:13
212.26:046:13
312.26:056:14
412.26:056:14
512.26:056:15
612.26:066:15
712.26:066:16
812.26:076:16
912.26:076:16
1012.26:076:17
1112.26:086:17
1212.26:086:18
1312.26:096:18
1412.26:096:19
1512.26:106:19
1612.26:106:20
1712.26:106:20
1812.26:116:21
1912.26:116:21
2012.26:126:22
2112.26:126:22
2212.26:136:23
2312.26:136:23
2412.26:146:23
2512.26:146:24
2612.26:156:24
2712.26:156:25
2812.26:166:25
2912.26:166:26
3012.26:176:26
3112.26:176:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.16 kWh/m².

For context, solar energy here swings from a low near 3.97 kWh/m² to a high of 6.3 kWh/m² in October across the year — December's 5.16 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Baião

In seasonPeak

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

Baião'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 Baião?

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

2.8
Sightseeing
7th-best month of the year
4.8
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Baião.

What to pack for Baião in December

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

In December, Baião sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Baião 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 Baião peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 19 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highMar 16UV 15Nov 19UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec10Extreme

Air quality in Baião 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 Baião is worst in November — around 44 µg/m³ PM2.5 (poor), about 4.3× the cleanest month (June, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateNov 1343 µg/m³Jun 1010 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar16Moderate
Apr14Moderate
May11Good
Jun10Good
Jul13Moderate
Aug16Moderate
Sep21Moderate
Oct35Moderate
Nov44Poor
Dec21Moderate
Location & terrain

Where is Baião?

Baião sits at 2.8°S, 49.7°W, 31 m above sea level, in Brazil. The nearest listed city is Mocajuba, 29 km away.

Topography around Baião

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

Within 3 km, the terrain around Baião has only modest variations in elevation — a maximum elevation change of 49 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, only modest variations in elevation — a maximum elevation change of 187 m.

The land around Baião is covered by trees (55%) and water (29%) within 3 km, trees (76%) within 16 km, and trees (81%) within 80 km.

3 km
49 m
16 km
61 m
80 km
187 m
treesgrasslandartificial surfacesbare terrainwaterwetland
December weather nearby: Mocajuba 29 km · Cametá 64 km · Tailândia 82 km · Oeiras do Pará 90 km · Limoeiro do Ajuru 105 km · Tucuruí 108 km · Curralinho 110 km · Bagre 116 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 Baião (-2.7906°, -49.6717°, elevation 31 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).