Codajás weather in December

In December, Codajás sees average daytime highs of 30°C and overnight lows near 24°C, with 283 mm of rain across 28.7 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 6th-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 2% of the time in December, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Codajás's 8th-clearest and 8th-windiest month. For the whole year in context, see Codajás's year-round climate.

Daytime high
30°
6th warmest
Overnight low
24°
9th coldest
Rainfall
283 mm
28.7 wet days
Daylight
12 h 12 min
5:58 AM – 6:11 PM
Cloud cover
86%
8th clearest
Wind
4 km/h
8th windiest
Solar energy
4.47 kWh/m²
Travel score
2.6
out of 10

Codajás 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 30°C through the month.

A typical December day in Codajás reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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 on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Codajás

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.

Codajás weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°30328.312.22.8
Feb30° / 24°29525.312.12.8
Mar30° / 24°35529.4122.6
Apr30° / 24°35128.811.92.7
May30° / 24°3002911.82.8
Jun30° / 24°17224.411.83.2
Jul31° / 23°11220.311.83.7
Aug31° / 24°10318.311.93.5
Sep32° / 24°13021.4123.0
Oct32° / 25°16323.712.12.7
Nov31° / 24°20925.412.22.6
Dec30° / 24°28328.712.22.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31189
41090
51090
61090
71090
81090
91090
10991
11991
12892
13892
14892
15892
16892
17793
18793
19793
20793
21793
22793
23793
24793
25793
26793
27694
28694
29694
30694
31694

Chance of precipitation in December

Any precipitation

Codajás gets around 283 mm of rain over 28.7 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 92% and peaks near 96% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
387
487
588
688
789
889
990
1091
1191
1292
1392
1493
1593
1694
1794
1895
1995
2095
2195
2296
2396
2496
2595
2695
2795
2895
2995
3094
3194

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the miserable band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11585
21585
31585
41684
51684
61783
71783
81882
91981
102080
112080
122179
132278
142377
152476
162476
172575
182674
192674
202773
212773
222773
232773
242773
252773
262773
272872
282872
292872
302971
313070

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 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 0 minutes over December. Sunrise moves from 5:52 AM to 6:05 AM, and sunset from 6:04 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:526:04
212.25:526:05
312.25:526:05
412.25:536:05
512.25:536:06
612.25:546:06
712.25:546:07
812.25:546:07
912.25:556:08
1012.25:556:08
1112.25:566:09
1212.25:566:09
1312.25:566:10
1412.25:576:10
1512.25:576:11
1612.25:586:11
1712.25:586:11
1812.25:596:12
1912.25:596:12
2012.26:006:13
2112.26:006:13
2212.26:016:14
2312.26:016:14
2412.26:016:15
2512.26:026:15
2612.26:026:16
2712.26:036:16
2812.26:036:17
2912.26:046:17
3012.26:046:18
3112.26:056:18

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.47 kWh/m².

For context, solar energy here swings from a low near 3.72 kWh/m² to a high of 5.34 kWh/m² in October across the year — December's 4.47 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in December

Is December a good time to visit Codajás?

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

2.6
Sightseeing
10th-best month of the year
3.8
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Codajás.

What to pack for Codajás in December

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

In December, Codajás sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Codajás in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Codajás peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 16 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highExtremeMar 12UV 15Sep 16UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep9Very high
Oct11Extreme
Nov11Extreme
Dec12Extreme

Air quality in Codajás 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 Codajás is worst in September — around 24 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (June, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1423 µg/m³Jun 1111 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar16Moderate
Apr14Moderate
May11Good
Jun11Good
Jul12Moderate
Aug22Moderate
Sep24Moderate
Oct21Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is Codajás?

Codajás sits at 3.8°S, 62.1°W, 30 m above sea level, in Brazil. The nearest listed city is Anori, 46 km away.

Topography around Codajás

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

Within 3 km, the terrain around Codajás has only modest variations in elevation — a maximum elevation change of 39 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 46 m; within 80 km, only modest variations in elevation — a maximum elevation change of 62 m.

The land around Codajás is covered by trees (53%) and water (30%) within 3 km, trees (80%) within 16 km, and trees (87%) within 80 km.

3 km
39 m
16 km
46 m
80 km
62 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Anori 46 km · Beruri 76 km · Coari 123 km · Manacapuru 170 km · Manaquiri 183 km · Novo Airão 183 km · Careiro 187 km · Iranduba 217 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 Codajás (-3.8367°, -62.0569°, elevation 30 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).