Corumbá weather in December

In December, Corumbá sees average daytime highs of 33°C and overnight lows near 24°C, with 160 mm of rain across 19 wet days and about 13.1 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 22% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of December to 13 h 06 min by month's end. Set against the rest of the year, December is Corumbá's 10th-clearest and 7th-windiest month. For the whole year in context, see Corumbá's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
24°
11th coldest
Rainfall
160 mm
19 wet days
Daylight
13 h 06 min
6:13 AM – 7:21 PM
Cloud cover
68%
10th clearest
Wind
8 km/h
7th windiest
Solar energy
6.14 kWh/m²
Travel score
2.9
out of 10

Corumbá 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 33°C through the month.

A typical December day in Corumbá reaches about 33°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233325
243325
253325
263325
273325
283325
293325
303325
313325

How December really feels in Corumbá

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.

Corumbá weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°17820.5132.8
Feb32° / 24°16219.612.62.9
Mar32° / 24°13917.912.13.4
Apr31° / 22°719.911.64.6
May28° / 19°616.911.16.5
Jun28° / 18°233.810.97.5
Jul28° / 17°223.2117.5
Aug31° / 19°253.111.45.8
Sep33° / 21°516.811.94.1
Oct33° / 23°10913.212.43.2
Nov33° / 24°14515.212.93.1
Dec33° / 24°1601913.12.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% 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 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33565
43565
53565
63565
73664
83664
93763
103763
113862
123862
133961
144060
154159
164159
174258
184357
194357
204258
214258
224258
234159
244159
253961
263961
273961
283862
293763
303763
313763

Chance of precipitation in December

Any precipitation

Corumbá gets around 160 mm of rain over 19 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 61% and peaks near 67% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
161
262
363
463
563
663
763
862
961
1060
1159
1259
1358
1457
1557
1656
1756
1856
1956
2057
2157
2258
2360
2461
2562
2663
2764
2865
2966
3066
3167

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
112116521
212106522
312106423
412106324
51296424
61296325
71296325
81296226
91296226
101296226
111296226
121286326
131286227
141286227
151286227
161286227
171286227
181276327
191276327
201276327
211266427
220166528
230166528
240156628
250156529
260156529
270146629
280146530
290146530
300146530
310146431

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 06 min at the start of December to 13 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 6:08 AM to 6:20 AM, and sunset from 7:12 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:087:12
213.16:097:13
313.16:097:13
413.16:097:14
513.16:097:15
613.16:097:15
713.16:107:16
813.16:107:16
913.16:107:17
1013.16:117:18
1113.16:117:18
1213.16:117:19
1313.16:127:19
1413.16:127:20
1513.16:127:20
1613.16:137:21
1713.16:137:21
1813.16:137:22
1913.16:147:22
2013.16:147:23
2113.16:157:23
2213.16:157:24
2313.16:167:24
2413.16:167:25
2513.16:177:25
2613.16:177:26
2713.16:187:26
2813.16:187:27
2913.16:197:27
3013.16:197:27
3113.16:207:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.14 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6.14 kWh/m² in December across the year — December's 6.14 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
76.0Bright
86.0Bright
96.0Intense
106.0Intense
116.1Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.1Intense
Planning a trip in December

Hazard calendar for Corumbá

In seasonPeak

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

Corumbá's rainy season runs October–March, 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 Corumbá?

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

2.9
Sightseeing
10th-best month of the year
5.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Corumbá.

What to pack for Corumbá in December

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

In December, Corumbá sees daytime highs around 33°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Corumbá 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 Corumbá peaks around January 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highModerateExtremeJan 18UV 16Sep 17UV 3
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun5High
Jul7High
Aug8Very high
Sep3Moderate
Oct6High
Nov13Extreme
Dec13Extreme

Air quality in Corumbá 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 Corumbá is worst in September — around 99 µg/m³ PM2.5 (unhealthy), about 8.6× the cleanest month (February, 12 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateModeratePoorUnhealthyModerateSep 1694 µg/m³Feb 1412 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb12Good
Mar16Moderate
Apr14Moderate
May12Good
Jun36Poor
Jul32Moderate
Aug58Unhealthy
Sep99Unhealthy
Oct54Poor
Nov18Moderate
Dec13Moderate
Location & terrain

Where is Corumbá?

Corumbá sits at 19.0°S, 57.7°W, 152 m above sea level, in Brazil. The nearest listed city is Ladário, 5.0 km away.

AnastácioAquidauanaBonitoRio Verde de Mato GrossoCoximJardim

Topography around Corumbá

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

Within 3 km, the terrain around Corumbá has significant variations in elevation — a maximum elevation change of 336 m around an average of 144 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 487 m; within 80 km, large variations in elevation — a maximum elevation change of 953 m.

The land around Corumbá is covered by trees (37%), artificial surfaces (32%) and wetland (20%) within 3 km, wetland (50%) and trees (37%) within 16 km, and wetland (47%) and trees (43%) within 80 km.

3 km
336 m
16 km
487 m
80 km
953 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Ladário 5.0 km · Miranda 191 km · Anastácio 253 km · Aquidauana 254 km · Bonito 265 km · Rio Verde de Mato Grosso 296 km · Coxim 310 km · Jardim 317 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 Corumbá (-19.0092°, -57.6533°, elevation 152 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).