Porto de Moz weather in December

In December, Porto de Moz sees average daytime highs of 32°C and overnight lows near 25°C, with 113 mm of rain across 17.3 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 32°C through the month. The sky is clear or mostly clear about 13% 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 Porto de Moz's 7th-clearest and 4th-windiest month. For the whole year in context, see Porto de Moz's year-round climate.

Daytime high
32°
4th warmest
Overnight low
25°
10th coldest
Rainfall
113 mm
17.3 wet days
Daylight
12 h 06 min
6:22 AM – 6:28 PM
Cloud cover
70%
7th clearest
Wind
9 km/h
4th windiest
Solar energy
5.04 kWh/m²
Travel score
3.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical December day in Porto de Moz reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, December runs about 1°C cooler than November and about 2°C warmer than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233125
243125
253125
263125
273125
283125
293125
303125
313125

How December really feels in Porto de Moz

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.

Porto de Moz 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
Jan30° / 24°21026.412.12.9
Feb30° / 24°25925.312.12.9
Mar30° / 24°31128.6122.8
Apr30° / 24°33828.6122.7
May30° / 24°25927.911.92.9
Jun31° / 24°1432311.93.3
Jul31° / 24°9418.111.93.9
Aug32° / 25°4510.311.94.2
Sep33° / 25°275.8124.1
Oct33° / 25°356.9123.7
Nov33° / 25°51912.13.5
Dec32° / 25°11317.312.13.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 67%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24159
34159
44060
54060
63961
73862
83763
93763
103664
113565
123565
133466
143367
153268
163268
173169
183070
193070
203070
212971
222872
232872
242872
252773
262773
272773
282674
292674
302674
312674

Chance of precipitation in December

Any precipitation

Porto de Moz gets around 113 mm of rain over 17.3 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 56% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
134
234
335
436
537
639
740
842
944
1045
1147
1249
1351
1453
1555
1657
1759
1861
1963
2064
2166
2267
2369
2470
2571
2672
2773
2873
2974
3075
3176

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17426
27327
37327
47327
57228
67228
77129
87129
97030
106931
116931
126832
136733
146634
156535
166436
176436
186337
196337
206238
216238
226238
236139
246139
256139
266139
276139
286139
296139
306139
316238

Wind in December

Winds average 9 km/h in December.

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

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
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 6:16 AM to 6:29 AM, and sunset from 6:22 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:166:22
212.16:166:22
312.16:176:22
412.16:176:23
512.16:176:23
612.16:186:24
712.16:186:24
812.16:196:24
912.16:196:25
1012.16:196:25
1112.16:206:26
1212.16:206:26
1312.16:216:27
1412.16:216:27
1512.16:226:28
1612.16:226:28
1712.16:236:29
1812.16:236:29
1912.16:236:30
2012.16:246:30
2112.16:246:30
2212.16:256:31
2312.16:256:31
2412.16:266:32
2512.16:266:32
2612.16:276:33
2712.16:276:33
2812.16:286:34
2912.16:286:34
3012.16:296:35
3112.16:296:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.04 kWh/m².

For context, solar energy here swings from a low near 3.67 kWh/m² to a high of 6.2 kWh/m² in October across the year — December's 5.04 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in December

Hazard calendar for Porto de Moz

In seasonPeak

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

Porto de Moz'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 Porto de Moz?

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

3.3
Sightseeing
6th-best month of the year
5.2
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Porto de Moz.

What to pack for Porto de Moz in December

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

In December, Porto de Moz sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Porto de Moz 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 Porto de Moz peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Porto de Moz 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 Porto de Moz is worst in November — around 23 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (July, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1722 µg/m³Jul 109 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar17Moderate
Apr15Moderate
May10Good
Jun9Good
Jul9Good
Aug11Good
Sep11Good
Oct16Moderate
Nov23Moderate
Dec18Moderate
Location & terrain

Where is Porto de Moz?

Porto de Moz sits at 1.7°S, 52.2°W, 20 m above sea level, in Brazil. The nearest listed city is Almeirim, 46 km away.

Topography around Porto de Moz

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

Within 3 km, the terrain around Porto de Moz has only modest variations in elevation — a maximum elevation change of 44 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, significant variations in elevation — a maximum elevation change of 296 m.

The land around Porto de Moz is covered by water (42%) and trees (29%) within 3 km, trees (31%), wetland (29%) and water (26%) within 16 km, and trees (70%) within 80 km.

3 km
44 m
16 km
54 m
80 km
296 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Almeirim 46 km · Gurupá 77 km · Senador José Porfírio 99 km · Laranjal do Jari 107 km · Vitória do Xingu 128 km · Prainha 138 km · Portel 159 km · Altamira 162 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 Porto de Moz (-1.7483°, -52.2383°, elevation 20 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).