Pantanal weather in December

In December, Pantanal sees average daytime highs of 27°C and overnight lows near 21°C, with 130 mm of rain across 15 wet days and about 13.7 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 27°C by the end. The sky is clear or mostly clear about 16% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 36 min at the start of December to 13 h 42 min by month's end. Set against the rest of the year, December is Pantanal's 11th-clearest and 4th-windiest month. For the whole year in context, see Pantanal's year-round climate.

Daytime high
27°
4th warmest
Overnight low
21°
9th coldest
Rainfall
130 mm
15 wet days
Daylight
13 h 42 min
6:18 AM – 8:02 PM
Cloud cover
70%
11th clearest
Wind
13 km/h
4th windiest
Solar energy
5.83 kWh/m²
Travel score
5.6
out of 10

Pantanal 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

Highs climb over the month, from about 26°C in the first days to 27°C by the end.

A typical December day in Pantanal reaches about 27°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12620
22620
32621
42621
52621
62621
72621
82621
92621
102621
112621
122621
132621
142721
152721
162721
172721
182722
192722
202722
212722
222722
232722
242722
252722
262722
272722
282722
292722
302822
312822

Pantanal weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°1841913.54.9
Feb28° / 23°15617.3134.9
Mar27° / 22°12417.412.25.4
Apr25° / 20°8610.911.46.6
May23° / 17°10510.510.76.7
Jun21° / 15°948.910.36.6
Jul20° / 14°868.910.46.5
Aug21° / 15°848.6116.7
Sep21° / 16°13612.511.85.9
Oct23° / 18°12613.712.75.9
Nov25° / 20°11714.513.46.0
Dec27° / 21°1301513.75.6

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 18% of December, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33862
43862
53763
63664
73664
83664
93565
103565
113466
123367
133367
143268
153268
163169
173169
183070
193169
203169
213169
223169
233070
243070
253268
263268
273169
283169
293268
303268
313268

Chance of precipitation in December

Any precipitation

Pantanal gets around 130 mm of rain over 15 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 50% and peaks near 55% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
348
448
548
647
747
847
947
1047
1147
1248
1348
1448
1549
1649
1750
1850
1950
2050
2150
2251
2351
2451
2552
2652
2753
2853
2954
3055
3155

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11142642180
21132642180
31132642190
41122642190
51122641200
61112641210
71112640220
81102640230
9192640240
10192540250
11182440270
12182440280
13172340290
14172140310
15172040321
16161939341
17161839351
18061838371
19061738382
20051637392
21051637403
22051536413
23041436423
24041435434
25041335444
26041334445
27031334455
28031233465
29031233466
30031232476
31031132486

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 36 min at the start of December to 13 h 42 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 6:15 AM to 6:26 AM, and sunset from 7:52 PM to 8:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.66:157:52
213.66:157:53
313.66:157:54
413.76:157:55
513.76:157:55
613.76:167:56
713.76:167:57
813.76:167:57
913.76:167:58
1013.76:167:59
1113.76:177:59
1213.76:178:00
1313.76:178:01
1413.76:178:01
1513.76:188:02
1613.76:188:02
1713.76:188:03
1813.76:198:03
1913.76:198:04
2013.76:208:04
2113.76:208:05
2213.76:218:05
2313.76:218:06
2413.76:228:06
2513.76:228:07
2613.76:238:07
2713.76:238:08
2813.76:248:08
2913.76:248:08
3013.76:258:09
3113.76:268:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.83 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 5.83 kWh/m² in December across the year — December's 5.83 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Is December a good time to visit Pantanal?

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

5.6
Sightseeing
9th-best month of the year
5.6
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Pantanal for sightseeing.

What to pack for Pantanal in December

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

In December, Pantanal sees daytime highs around 27°C and nights near 21°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

Sea temperature near Pantanal in December

The nearest coast averages about 24°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in February at about 26°C and coldest in August near 18°C.

It's comfortable for a long swim from Oct 8 to Jun 8 — about 8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar25Warm
Apr24Refreshing
May22Refreshing
Jun20Cool
Jul18Cool
Aug18Cool
Sep19Cool
Oct21Refreshing
Nov22Refreshing
Dec24Warm

UV index in Pantanal in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pantanal peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jul 11UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun5Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct9Very high
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Pantanal?

Pantanal sits at 27.6°S, 48.5°W, 0 m above sea level, in Brazil. The nearest listed city is Trindade, 3.0 km away.

Topography around Pantanal

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

Within 3 km, the terrain around Pantanal has significant variations in elevation — a maximum elevation change of 438 m around an average of 95 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 535 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,552 m.

The land around Pantanal is covered by trees (54%) and artificial surfaces (28%) within 3 km, water (57%) and trees (23%) within 16 km, and trees (48%) and water (41%) within 80 km.

3 km
438 m
16 km
535 m
80 km
1,552 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Trindade 3.0 km · Florianopolis 4.0 km · Campinas 9.0 km · Ribeirão da Ilha 10 km · São José 11 km · Freguesia do Ribeirao da Ilha 13 km · Palhoça 15 km · Biguaçu 19 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 Pantanal (-27.6099°, -48.5165°, elevation 0 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).