Itaituba weather in December

In December, Itaituba sees average daytime highs of 31°C and overnight lows near 24°C, with 209 mm of rain across 23.8 wet days and about 12.2 hours of daylight. It is the 6th-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 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 Itaituba's 8th-clearest and 4th-windiest month. For the whole year in context, see Itaituba's year-round climate.

Daytime high
31°
6th warmest
Overnight low
24°
9th coldest
Rainfall
209 mm
23.8 wet days
Daylight
12 h 12 min
6:33 AM – 6:47 PM
Cloud cover
81%
8th clearest
Wind
5 km/h
4th windiest
Solar energy
4.68 kWh/m²
Travel score
2.9
out of 10

Itaituba 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 31°C through the month.

A typical December day in Itaituba reaches about 31°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 28°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)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123124
133124
143124
153124
163124
173124
183124
193124
203124
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Itaituba

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.

Itaituba weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°28927.512.22.8
Feb30° / 23°27926.212.12.7
Mar30° / 23°31928.6122.7
Apr30° / 23°28828.111.92.7
May30° / 23°20426.211.83.0
Jun31° / 23°8415.811.83.8
Jul32° / 23°5811.911.84.0
Aug33° / 23°5210.611.93.4
Sep34° / 24°7813.2122.9
Oct33° / 24°11617.212.12.7
Nov32° / 24°16219.712.22.8
Dec31° / 24°20923.812.22.9

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 11% of December, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
42080
52080
62080
71981
81981
91981
101882
111882
121783
131783
141684
151585
161486
171486
181486
191486
201486
211486
221486
231387
241387
251387
261387
271288
281288
291288
301288
311288

Chance of precipitation in December

Any precipitation

Itaituba gets around 209 mm of rain over 23.8 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 77% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
267
367
468
569
669
770
871
972
1073
1174
1276
1377
1478
1579
1679
1780
1881
1981
2081
2182
2282
2382
2482
2583
2683
2783
2883
2983
3083
3184

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13466
23466
33466
43466
53466
63466
73466
83466
93565
103565
113565
123664
133664
143664
153763
163763
173763
183763
193862
203862
213862
223862
233862
243862
253961
263961
274060
284060
294159
304258
314258

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:27 AM to 6:40 AM, and sunset from 6:41 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:276:41
212.26:276:41
312.26:276:41
412.26:286:42
512.26:286:42
612.26:296:43
712.26:296:43
812.26:296:44
912.26:306:44
1012.26:306:45
1112.26:316:45
1212.26:316:46
1312.26:316:46
1412.26:326:47
1512.26:326:47
1612.26:336:47
1712.26:336:48
1812.26:346:48
1912.26:346:49
2012.26:356:49
2112.26:356:50
2212.26:356:50
2312.26:366:51
2412.26:366:51
2512.26:376:52
2612.26:376:52
2712.26:386:53
2812.26:386:53
2912.26:396:54
3012.26:396:54
3112.26:406:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.68 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 5.72 kWh/m² in September across the year — December's 4.68 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in December

Hazard calendar for Itaituba

In seasonPeak

In December, Itaituba sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Itaituba's rainy season runs November–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Itaituba?

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

2.9
Sightseeing
5th-best month of the year
4.3
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Itaituba.

What to pack for Itaituba in December

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

In December, Itaituba sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Itaituba 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 Itaituba peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 10UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep10Extreme
Oct10Extreme
Nov10Extreme
Dec11Extreme

Air quality in Itaituba 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 Itaituba is worst in August — around 47 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (June, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateAug 2447 µg/m³Jun 119 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar13Moderate
Apr12Moderate
May10Good
Jun9Good
Jul15Moderate
Aug47Poor
Sep47Poor
Oct39Poor
Nov32Moderate
Dec20Moderate
Location & terrain

Where is Itaituba?

Itaituba sits at 4.3°S, 56.0°W, 13 m above sea level, in Brazil. The nearest listed city is Trairão, 33 km away.

Topography around Itaituba

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

Within 3 km, the terrain around Itaituba has only modest variations in elevation — a maximum elevation change of 59 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, significant variations in elevation — a maximum elevation change of 419 m.

The land around Itaituba is covered by water (52%) and artificial surfaces (21%) within 3 km, trees (59%) and grassland (28%) within 16 km, and trees (89%) within 80 km.

3 km
59 m
16 km
124 m
80 km
419 m
treesgrasslandartificial surfaceswater
December weather nearby: Trairão 33 km · Aveiro 104 km · Rurópolis 121 km · Placas 201 km · Parintins 201 km · Barreirinha 204 km · Belterra 216 km · Maués 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 Itaituba (-4.2761°, -55.9836°, elevation 13 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).