Palmas weather in December

In December, Palmas sees average daytime highs of 25°C and overnight lows near 16°C, with 195 mm of rain across 18.8 wet days and about 13.6 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 23% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 30 min at the start of December to 13 h 36 min by month's end. Set against the rest of the year, December is Palmas's 9th-clearest and 8th-windiest month. For the whole year in context, see Palmas's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
195 mm
18.8 wet days
Daylight
13 h 42 min
6:35 AM – 8:14 PM
Cloud cover
65%
9th clearest
Wind
11 km/h
8th windiest
Solar energy
6.12 kWh/m²
Travel score
5.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical December day in Palmas reaches about 25°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102515
112515
122515
132515
142515
152515
162516
172516
182516
192516
202516
212516
222516
232516
242516
252516
262516
272516
282516
292516
302616
312616

Palmas weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°19720.913.55.0
Feb25° / 16°18219.512.95.0
Mar25° / 15°13916.412.25.9
Apr22° / 13°11911.411.46.5
May19° / 10°14310.410.76.1
Jun18° / 15110.210.45.8
Jul18° / 1249.810.56.0
Aug20° / 1088.811.16.8
Sep21° / 11°18011.811.86.3
Oct23° / 13°20916.312.65.8
Nov24° / 14°15714.413.36.2
Dec25° / 16°19518.813.65.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24555
34555
44456
54456
64456
74456
84456
94456
104654
114555
124654
134555
144753
154654
164654
174555
184555
194654
204555
214555
224456
234456
244258
254258
264159
274060
283961
293961
303961
313862

Chance of precipitation in December

Any precipitation

Palmas gets around 195 mm of rain over 18.8 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 60% and peaks near 67% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
153
254
354
455
556
656
757
857
958
1058
1159
1259
1360
1460
1560
1660
1760
1861
1961
2061
2162
2262
2363
2464
2565
2665
2766
2866
2967
3067
3167

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12131408
22031418
32030428
41930438
51829449
61829449
71729459
817284510
916284610
1015284610
1115284611
1214284711
1314284712
1413284712
1512274713
1612274714
1711274615
1811274616
1910274618
2010264519
219264520
229254521
238254522
248244423
257244425
267234426
277234426
287234427
296224328
306224328
316224329

Wind in December

Winds average 11 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
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 30 min at the start of December to 13 h 36 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 6:31 AM to 6:42 AM, and sunset from 8:04 PM to 8:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.56:318:04
213.66:318:05
313.66:328:05
413.66:328:06
513.66:328:07
613.66:328:07
713.66:328:08
813.66:328:09
913.66:328:09
1013.66:338:10
1113.66:338:11
1213.66:338:11
1313.66:348:12
1413.66:348:13
1513.66:348:13
1613.76:358:14
1713.76:358:14
1813.76:358:15
1913.76:368:15
2013.76:368:16
2113.76:378:16
2213.76:378:17
2313.76:388:17
2413.76:388:18
2513.76:398:18
2613.76:398:19
2713.76:408:19
2813.76:408:19
2913.66:418:20
3013.66:418:20
3113.66:428:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.12 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.86 kWh/m² to a high of 6.12 kWh/m² in December across the year — December's 6.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.0Intense
316.0Intense
Planning a trip in December

Is December a good time to visit Palmas?

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

5.4
Sightseeing
10th-best month of the year
5.0
Beach & pool
3rd-best month of the year

December is a reasonable time to visit Palmas for sightseeing.

What to pack for Palmas in December

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

In December, Palmas sees daytime highs around 25°C and nights near 16°C. Pack rain gear and sun protection. Worth having: light clothes. About 19 days see rain.

rain gearsun protectionlight clothes

UV index in Palmas 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 Palmas peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5High
Aug6High
Sep8Very high
Oct10Very high
Nov13Extreme
Dec13Extreme

Air quality in Palmas 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 Palmas is worst in September — around 17 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (March, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1317 µg/m³Mar 135 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar5Good
Apr6Good
May6Good
Jun7Good
Jul9Good
Aug14Moderate
Sep17Moderate
Oct10Good
Nov7Good
Dec6Good
Location & terrain

Where is Palmas?

Palmas sits at 26.5°S, 52.0°W, 1,075 m above sea level, in Brazil. The nearest listed city is Abelardo Luz, 35 km away.

Topography around Palmas

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

Within 3 km, the terrain around Palmas has only modest variations in elevation — a maximum elevation change of 137 m around an average of 1,083 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 354 m; within 80 km, large variations in elevation — a maximum elevation change of 1,072 m.

The land around Palmas is covered by trees (43%), artificial surfaces (25%) and grassland (23%) within 3 km, trees (49%) and cropland (32%) within 16 km, and trees (61%) and cropland (24%) within 80 km.

3 km
137 m
16 km
354 m
80 km
1,072 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Abelardo Luz 35 km · Clevelândia 37 km · Bituruna 57 km · Xanxerê 60 km · Mangueirinha 63 km · Pato Branco 73 km · Xaxim 76 km · Coronel Vivida 80 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 Palmas (-26.4842°, -51.9906°, elevation 1,075 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).