Itinga do Maranhão weather in December

In December, Itinga do Maranhão sees average daytime highs of 31°C and overnight lows near 23°C, with 138 mm of rain across 18.9 wet days and about 12.3 hours of daylight. It is the 7th-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 8% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Itinga do Maranhão's 8th-clearest and 8th-windiest month. For the whole year in context, see Itinga do Maranhão's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
10th coldest
Rainfall
138 mm
18.9 wet days
Daylight
12 h 18 min
5:59 AM – 6:14 PM
Cloud cover
76%
8th clearest
Wind
6 km/h
8th windiest
Solar energy
5.14 kWh/m²
Travel score
3.2
out of 10

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 Itinga do Maranhão reaches about 31°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173123
183123
193123
203123
213123
223123
233123
243123
253123
263122
273122
283122
293122
303122
313122

How December really feels in Itinga do Maranhão

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.

Itinga do Maranhão weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°23626.212.22.9
Feb30° / 22°24425.412.12.8
Mar30° / 22°28628.9122.7
Apr30° / 22°20325.611.92.9
May31° / 22°9916.411.83.8
Jun32° / 22°184.511.74.6
Jul33° / 21°82.111.84.2
Aug34° / 22°40.811.93.7
Sep34° / 23°112123.5
Oct34° / 23°305.412.13.4
Nov33° / 23°7211.812.23.4
Dec31° / 23°13818.912.33.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43466
53268
63268
73268
82971
92971
102971
112773
122773
132575
142575
152476
162377
172377
182278
192179
202179
212179
222080
232080
242080
251981
261882
271783
281783
291684
301684
311585

Chance of precipitation in December

Any precipitation

Itinga do Maranhão gets around 138 mm of rain over 18.9 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 62% and peaks near 77% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
146
247
347
448
548
649
750
851
953
1054
1156
1257
1359
1460
1562
1663
1765
1866
1967
2068
2169
2270
2371
2472
2573
2673
2774
2875
2976
3076
3177

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
11783
21684
31684
41585
51585
61585
71486
81486
91387
101288
111288
121189
131090
141090
15991
16892
17793
18694
19694
20595
21496
22496
23397
24397
25298
26298
27298
28199
29199
30199
31199

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 h 18 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 5:53 AM to 6:06 AM, and sunset from 6:07 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:536:07
212.25:536:07
312.25:536:08
412.25:546:08
512.25:546:09
612.25:546:09
712.25:556:10
812.25:556:10
912.35:566:11
1012.35:566:11
1112.35:566:12
1212.35:576:12
1312.35:576:13
1412.35:586:13
1512.35:586:13
1612.35:596:14
1712.35:596:14
1812.35:596:15
1912.36:006:15
2012.36:006:16
2112.36:016:16
2212.36:016:17
2312.36:026:17
2412.36:026:18
2512.36:036:18
2612.36:036:19
2712.36:046:19
2812.36:046:20
2912.36:056:20
3012.36:056:20
3112.36:066:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 6.19 kWh/m² in September across the year — December's 5.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in December

Hazard calendar for Itinga do Maranhão

In seasonPeak

In December, Itinga do Maranhão sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Itinga do Maranhão's monsoon runs December–April, 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 Itinga do Maranhão?

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

3.2
Sightseeing
8th-best month of the year
5.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Itinga do Maranhão.

What to pack for Itinga do Maranhão in December

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

In December, Itinga do Maranhão sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Itinga do Maranhão 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 Itinga do Maranhão peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Dec 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Itinga do Maranhão 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 Itinga do Maranhão is worst in November — around 33 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (June, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1433 µg/m³Jun 188 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar13Moderate
Apr12Good
May10Good
Jun8Good
Jul9Good
Aug14Moderate
Sep18Moderate
Oct29Moderate
Nov33Moderate
Dec25Moderate
Location & terrain

Where is Itinga do Maranhão?

Itinga do Maranhão sits at 4.4°S, 47.5°W, 154 m above sea level, in Brazil. The nearest listed city is Dom Eliseu, 18 km away.

Topography around Itinga do Maranhão

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

Within 3 km, the terrain around Itinga do Maranhão has only modest variations in elevation — a maximum elevation change of 128 m around an average of 161 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 214 m; within 80 km, significant variations in elevation — a maximum elevation change of 344 m.

The land around Itinga do Maranhão is covered by grassland (65%) and trees (24%) within 3 km, grassland (55%) and trees (42%) within 16 km, and trees (50%) and grassland (45%) within 80 km.

3 km
128 m
16 km
214 m
80 km
344 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Dom Eliseu 18 km · Açailândia 55 km · Rondon do Pará 70 km · Bom Jesus das Selvas 75 km · Ulianópolis 79 km · João Lisboa 112 km · Buriticupu 120 km · Imperatriz 120 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 Itinga do Maranhão (-4.4497°, -47.5256°, elevation 154 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).