Chapada dos Guimarães weather in December

In December, Chapada dos Guimarães sees average daytime highs of 31°C and overnight lows near 23°C, with 225 mm of rain across 25.1 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is Chapada dos Guimarães's 10th-clearest and 5th-windiest month. For the whole year in context, see Chapada dos Guimarães's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
12th coldest
Rainfall
225 mm
25.1 wet days
Daylight
12 h 54 min
6:12 AM – 7:07 PM
Cloud cover
80%
10th clearest
Wind
6 km/h
5th windiest
Solar energy
5.45 kWh/m²
Travel score
3.0
out of 10

Chapada dos Guimarães 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 31°C through the month.

A typical December day in Chapada dos Guimarães reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Chapada dos Guimarães

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.

Chapada dos Guimarães weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°26626.312.82.9
Feb30° / 23°23624.712.52.8
Mar31° / 23°22825.912.12.9
Apr31° / 22°11315.811.74.0
May30° / 20°315.711.35.6
Jun30° / 19°111.411.16.4
Jul30° / 18°60.811.26.5
Aug32° / 19°10211.55.0
Sep33° / 21°437.611.93.7
Oct32° / 23°13118.112.43.1
Nov31° / 23°17921.512.73.1
Dec31° / 23°22525.112.93.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
21981
31981
41981
51882
61882
71783
81783
91783
101882
111882
121882
131882
141981
151981
161981
172080
182080
192179
202179
212179
222179
232179
242179
252179
262179
272080
282080
292080
302080
312080

Chance of precipitation in December

Any precipitation

Chapada dos Guimarães gets around 225 mm of rain over 25.1 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 81% and peaks near 83% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
181
281
382
482
583
683
783
883
983
1083
1182
1282
1381
1481
1581
1680
1780
1880
1980
2079
2179
2279
2379
2479
2579
2680
2780
2880
2981
3081
3181

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
106931
206931
305941
405941
505941
604951
704951
814941
914941
1014941
1113951
1213951
1313951
1413951
1513951
1613951
1713951
1813951
1913951
2013951
2113951
2212961
2312961
2402971
2502971
2602971
2702971
2802971
2902971
3001981
3101981

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 54 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 0 minutes over December. Sunrise moves from 6:07 AM to 6:19 AM, and sunset from 6:58 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:076:58
212.96:076:59
312.96:086:59
412.96:087:00
512.96:087:01
612.96:087:01
712.96:097:02
812.96:097:02
912.96:097:03
1012.96:107:03
1112.96:107:04
1212.96:107:04
1312.96:117:05
1412.96:117:05
1512.96:117:06
1612.96:127:07
1712.96:127:07
1812.96:137:08
1912.96:137:08
2012.96:137:09
2112.96:147:09
2212.96:147:10
2312.96:157:10
2412.96:157:10
2512.96:167:11
2612.96:167:11
2712.96:177:12
2812.96:177:12
2912.96:187:13
3012.96:187:13
3112.96:197:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.45 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6 kWh/m² in October across the year — December's 5.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Chapada dos Guimarães

In seasonPeak

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

Chapada dos Guimarães's monsoon runs October–March, 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 Chapada dos Guimarães?

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

3.0
Sightseeing
9th-best month of the year
4.3
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Chapada dos Guimarães.

What to pack for Chapada dos Guimarães in December

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

In December, Chapada dos Guimarães sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Chapada dos Guimarães in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chapada dos Guimarães peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 21UV 15Sep 14UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep6High
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Chapada dos Guimarães 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 Chapada dos Guimarães is worst in September — around 67 µg/m³ PM2.5 (unhealthy), about 9.6× the cleanest month (June, 7 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateGoodSep 1561 µg/m³Jun 107 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar8Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug26Moderate
Sep67Unhealthy
Oct19Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Chapada dos Guimarães?

Chapada dos Guimarães sits at 15.5°S, 55.7°W, 827 m above sea level, in Brazil. The nearest listed city is Cuiabá, 40 km away.

Topography around Chapada dos Guimarães

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

Within 3 km, the terrain around Chapada dos Guimarães has significant variations in elevation — a maximum elevation change of 492 m around an average of 750 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 681 m; within 80 km, large variations in elevation — a maximum elevation change of 777 m.

The land around Chapada dos Guimarães is covered by trees (56%) and grassland (22%) within 3 km, trees (47%), grassland (27%) and shrubs (23%) within 16 km, and trees (41%) and grassland (34%) within 80 km.

3 km
492 m
16 km
681 m
80 km
777 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Cuiabá 40 km · Várzea Grande 46 km · Santo Antônio do Leverger 57 km · Campo Verde 63 km · Lucas 99 km · Rosário Oeste 101 km · Jaciara 101 km · Nobres 103 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 Chapada dos Guimarães (-15.4606°, -55.7497°, elevation 827 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).