Planalto weather in December

In December, Planalto sees average daytime highs of 27°C and overnight lows near 18°C, with 119 mm of rain across 13.6 wet days and about 12.9 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 16% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is Planalto's 11th-clearest and 11th-windiest month. For the whole year in context, see Planalto's year-round climate.

Daytime high
27°
4th warmest
Overnight low
18°
9th coldest
Rainfall
119 mm
13.6 wet days
Daylight
12 h 54 min
5:12 AM – 6:04 PM
Cloud cover
71%
11th clearest
Wind
10 km/h
11th windiest
Solar energy
5.96 kWh/m²
Travel score
5.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Planalto reaches about 27°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12618
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

Planalto weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°9613.312.85.8
Feb27° / 18°6712.412.55.8
Mar27° / 18°10714.912.15.7
Apr26° / 18°6514.111.75.9
May24° / 17°3510.311.36.7
Jun23° / 15°299.811.16.7
Jul22° / 14°3010.111.26.6
Aug23° / 14°258.811.56.9
Sep25° / 15°257.711.97.2
Oct26° / 17°569.712.36.7
Nov26° / 18°12414.212.75.7
Dec27° / 18°11913.612.95.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32674
42674
52773
62872
72872
82971
93070
103169
113169
123268
133268
143466
153565
163664
173664
183664
193763
203763
213763
223763
233664
243664
253664
263664
273664
283565
293565
303565
313565

Chance of precipitation in December

Any precipitation

Planalto gets around 119 mm of rain over 13.6 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 44% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
251
350
450
549
649
748
848
947
1047
1146
1246
1345
1444
1544
1643
1743
1842
1942
2041
2141
2240
2340
2440
2540
2639
2739
2839
2939
3039
3139

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
125444
225345
325246
425246
525147
625147
725048
825048
925048
1025048
1125048
1225147
1325147
1425246
1525246
1625345
1725345
1825444
1925543
2015643
2115742
2215742
2315742
2415841
2515742
2615742
2715742
2815742
2915643
3015643
3105644

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 48 min at the start of December to 12 h 54 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 5:07 AM to 5:19 AM, and sunset from 5:56 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:075:56
212.85:085:56
312.85:085:57
412.85:085:57
512.85:085:58
612.85:095:59
712.85:095:59
812.85:096:00
912.85:106:00
1012.85:106:01
1112.95:106:01
1212.95:116:02
1312.95:116:02
1412.95:116:03
1512.95:126:03
1612.95:126:04
1712.95:136:04
1812.95:136:05
1912.95:136:05
2012.95:146:06
2112.95:146:06
2212.95:156:07
2312.95:156:07
2412.95:166:08
2512.95:166:08
2612.95:176:09
2712.95:176:09
2812.95:186:10
2912.95:186:10
3012.95:196:10
3112.95:196:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.96 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 6.08 kWh/m² in January across the year — December's 5.96 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Intense
166.0Intense
176.0Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in December

Hazard calendar for Planalto

In seasonPeak

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

Planalto's rainy season runs October–April, 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 Planalto?

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

5.8
Sightseeing
8th-best month of the year
5.9
Beach & pool
5th-best month of the year

December is a reasonable time to visit Planalto for sightseeing.

What to pack for Planalto in December

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

In December, Planalto sees daytime highs around 27°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Planalto 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 Planalto peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 17UV 15Jul 10UV 8
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Planalto?

Planalto sits at 14.7°S, 40.5°W, 946 m above sea level, in Brazil. The nearest listed city is Poções, 19 km away.

Topography around Planalto

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

Within 3 km, the terrain around Planalto has only modest variations in elevation — a maximum elevation change of 148 m around an average of 923 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 450 m; within 80 km, large variations in elevation — a maximum elevation change of 1,007 m.

The land around Planalto is covered by grassland (85%) within 3 km, grassland (62%) and trees (32%) within 16 km, and grassland (60%) and trees (29%) within 80 km.

3 km
148 m
16 km
450 m
80 km
1,007 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Poções 19 km · Barra do Choça 26 km · Iguaí 42 km · Vitória da Conquista 45 km · Itororó 66 km · Itambé 66 km · Itapetinga 69 km · Anagé 72 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 Planalto (-14.6697°, -40.4711°, elevation 946 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).