Senador José Porfírio weather in December

In December, Senador José Porfírio sees average daytime highs of 31°C and overnight lows near 25°C, with 167 mm of rain across 21.1 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 6th-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 10% of the time in December, and the air most often feels miserable.

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 Senador José Porfírio's 7th-clearest and 4th-windiest month. For the whole year in context, see Senador José Porfírio's year-round climate.

Daytime high
31°
5th warmest
Overnight low
25°
9th coldest
Rainfall
167 mm
21.1 wet days
Daylight
12 h 06 min
6:20 AM – 6:28 PM
Cloud cover
73%
7th clearest
Wind
7 km/h
4th windiest
Solar energy
5.04 kWh/m²
Travel score
3.1
out of 10

Senador José Porfírio 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 Senador José Porfírio reaches about 31°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 29°C and 33°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)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313124

How December really feels in Senador José Porfírio

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.

Senador José Porfírio 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
Jan30° / 24°28328.312.12.8
Feb30° / 24°30526.212.12.8
Mar30° / 24°37029.6122.7
Apr30° / 24°35128.911.92.7
May30° / 24°25628.211.92.8
Jun31° / 24°12722.411.93.3
Jul31° / 24°7816.811.93.9
Aug32° / 25°4710.911.94.1
Sep33° / 25°418.4124.0
Oct33° / 25°6210.912.13.6
Nov32° / 25°9214.112.13.3
Dec31° / 25°16721.112.13.1

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 16% of December, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33565
43565
53466
63367
73367
83268
93268
103169
113070
122971
132971
142773
152674
162575
172476
182377
192377
202278
212179
222179
232179
242179
252179
261981
271981
281981
291981
301981
311981

Chance of precipitation in December

Any precipitation

Senador José Porfírio gets around 167 mm of rain over 21.1 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 68% and peaks near 86% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
150
250
351
451
552
653
754
856
957
1059
1160
1262
1364
1465
1567
1669
1770
1872
1973
2075
2176
2277
2379
2480
2581
2682
2783
2884
2985
3086
3186

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14159
24159
34060
44060
53961
63961
73862
83862
93763
103763
113763
123763
133664
143664
153664
163763
173763
183763
193763
203862
213862
223862
233862
243961
253961
263961
273961
283961
293961
304060
314060

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
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 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 6:13 AM to 6:27 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)
112.16:136:22
212.16:146:22
312.16:146:23
412.16:146:23
512.16:156:23
612.16:156:24
712.16:166:24
812.16:166:25
912.16:166:25
1012.16:176:26
1112.16:176:26
1212.16:186:27
1312.16:186:27
1412.16:196:28
1512.16:196:28
1612.16:206:28
1712.16:206:29
1812.16:206:29
1912.16:216:30
2012.16:216:30
2112.16:226:31
2212.16:226:31
2312.16:236:32
2412.16:236:32
2512.16:246:33
2612.16:246:33
2712.16:256:34
2812.16:256:34
2912.16:266:35
3012.16:266:35
3112.16:276:35

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 3.78 kWh/m² to a high of 6.27 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
35.5Bright
45.4Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in December

Hazard calendar for Senador José Porfírio

In seasonPeak

In December, Senador José Porfírio sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Senador José Porfírio's monsoon runs December–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 Senador José Porfírio?

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

3.1
Sightseeing
7th-best month of the year
4.8
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Senador José Porfírio.

What to pack for Senador José Porfírio in December

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

In December, Senador José Porfírio sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Senador José Porfírio 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 Senador José Porfírio peaks around March 15 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 15UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Senador José Porfírio 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 Senador José Porfírio is worst in November — around 29 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1228 µg/m³Jun 229 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug11Good
Sep14Moderate
Oct25Moderate
Nov29Moderate
Dec17Moderate
Location & terrain

Where is Senador José Porfírio?

Senador José Porfírio sits at 2.6°S, 52.0°W, 7 m above sea level, in Brazil. The nearest listed city is Vitória do Xingu, 33 km away.

Topography around Senador José Porfírio

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

Within 3 km, the terrain around Senador José Porfírio has only modest variations in elevation — a maximum elevation change of 60 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 108 m; within 80 km, only modest variations in elevation — a maximum elevation change of 242 m.

The land around Senador José Porfírio is covered by water (48%) and grassland (33%) within 3 km, trees (46%), water (31%) and grassland (22%) within 16 km, and trees (77%) within 80 km.

3 km
60 m
16 km
108 m
80 km
242 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Vitória do Xingu 33 km · Altamira 74 km · Porto de Moz 99 km · Brasil Novo 103 km · Anapu 129 km · Gurupá 136 km · Almeirim 138 km · Medicilândia 141 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 Senador José Porfírio (-2.5908°, -51.9542°, elevation 7 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).