Posse weather in December

In December, Posse sees average daytime highs of 28°C and overnight lows near 20°C, with 239 mm of rain across 21.3 wet days and about 12.8 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of December to 12 h 48 min by month's end. Set against the rest of the year, December is Posse's 11th-clearest and 9th-windiest month. For the whole year in context, see Posse's year-round climate.

Daytime high
28°
11th warmest
Overnight low
20°
10th coldest
Rainfall
239 mm
21.3 wet days
Daylight
12 h 48 min
6:37 AM – 7:26 PM
Cloud cover
76%
11th clearest
Wind
7 km/h
9th windiest
Solar energy
5.74 kWh/m²
Travel score
4.4
out of 10

Posse 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 28°C through the month.

A typical December day in Posse reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

How December really feels in Posse

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Posse weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°22821.212.74.4
Feb28° / 20°21719.212.54.3
Mar28° / 20°2382112.14.3
Apr29° / 19°12012.311.75.3
May29° / 18°244.311.46.5
Jun28° / 17°20.511.27.4
Jul29° / 16°0011.37.6
Aug30° / 17°20.711.56.5
Sep32° / 19°203.311.94.9
Oct31° / 20°11411.512.34.2
Nov29° / 20°24920.912.74.1
Dec28° / 20°23921.312.84.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 75%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21981
31981
41981
51981
61981
71981
81981
92080
102179
112278
122278
132377
142377
152476
162575
172773
182773
192872
202971
212971
222971
233070
243070
253070
263070
273070
282971
292971
302971
312971

Chance of precipitation in December

Any precipitation

Posse gets around 239 mm of rain over 21.3 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 70% and peaks near 73% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
172
272
373
473
573
673
773
873
973
1073
1173
1272
1372
1471
1570
1669
1769
1868
1967
2067
2166
2266
2366
2466
2566
2666
2766
2866
2967
3067
3168

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1418771
2417781
3417781
4417781
5417781
6417781
7417781
8417781
9418771
10418771
11418771
12419761
13419770
14420760
15520750
16521740
17522730
18522730
19523720
20523720
21624700
22624700
23624700
24524710
25524710
26523720
27523720
28523720
29522721
30422731
31421741

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

0246810151015202531
Wind speed (km/h)Feels
18calm
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 48 min at the start of December to 12 h 48 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 6:32 AM to 6:44 AM, and sunset from 7:18 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:327:18
212.86:327:19
312.86:327:20
412.86:337:20
512.86:337:21
612.86:337:21
712.86:347:22
812.86:347:22
912.86:347:23
1012.86:357:23
1112.86:357:24
1212.86:357:24
1312.86:367:25
1412.86:367:25
1512.86:367:26
1612.86:377:26
1712.86:377:27
1812.86:387:27
1912.86:387:28
2012.86:397:28
2112.86:397:29
2212.86:397:29
2312.86:407:30
2412.86:407:30
2512.86:417:31
2612.86:417:31
2712.86:427:32
2812.86:427:32
2912.86:437:33
3012.86:437:33
3112.86:447:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.74 kWh/m².

For context, solar energy here swings from a low near 4.79 kWh/m² to a high of 6.36 kWh/m² in September across the year — December's 5.74 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Posse

In seasonPeak

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

Posse's monsoon runs October–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 Posse?

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

4.4
Sightseeing
7th-best month of the year
4.9
Beach & pool
12th-best month of the year

December is a reasonable time to visit Posse for sightseeing.

What to pack for Posse in December

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

In December, Posse sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Posse in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Posse peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jun 22UV 8
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar14Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul9Very high
Aug10Extreme
Sep13Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme

Air quality in Posse 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 Posse is worst in October — around 18 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (June, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1018 µg/m³Jun 204 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May5Good
Jun4Good
Jul4Good
Aug7Good
Sep17Moderate
Oct18Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Posse?

Posse sits at 14.1°S, 46.4°W, 815 m above sea level, in Brazil. The nearest listed city is Campos Belos, 125 km away.

Topography around Posse

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

Within 3 km, the terrain around Posse has only modest variations in elevation — a maximum elevation change of 139 m around an average of 796 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 531 m; within 80 km, large variations in elevation — a maximum elevation change of 862 m.

The land around Posse is covered by grassland (29%), trees (27%) and shrubs (26%) within 3 km, shrubs (34%), trees (32%) and grassland (28%) within 16 km, and grassland (29%), shrubs (28%) and cropland (25%) within 80 km.

3 km
139 m
16 km
531 m
80 km
862 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Campos Belos 125 km · Buritis 170 km · Formosa 191 km · Cocos 198 km · Planaltina 202 km · Arinos 205 km · Correntina 205 km · Minaçu 209 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 Posse (-14.0931°, -46.3694°, elevation 815 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).