Assis Chateaubriand weather in December

In December, Assis Chateaubriand sees average daytime highs of 30°C and overnight lows near 20°C, with 195 mm of rain across 17.3 wet days and about 13.5 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 27% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of December to 13 h 30 min by month's end. Set against the rest of the year, December is Assis Chateaubriand's 11th-clearest and 9th-windiest month. For the whole year in context, see Assis Chateaubriand's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
195 mm
17.3 wet days
Daylight
13 h 30 min
6:45 AM – 8:15 PM
Cloud cover
64%
11th clearest
Wind
9 km/h
9th windiest
Solar energy
6.26 kWh/m²
Travel score
4.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Assis Chateaubriand reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13019
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020
313021

How December really feels in Assis Chateaubriand

Once humidity and wind are folded in, December averages 3 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
3
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.

Assis Chateaubriand weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°18418.713.34.0
Feb30° / 20°18016.912.94.1
Mar30° / 20°12714.812.24.8
Apr27° / 18°1229.411.46.4
May24° / 14°1519.310.87.1
Jun23° / 13°1359.110.57.0
Jul23° / 13°977.310.67.5
Aug25° / 14°936.911.27.7
Sep27° / 16°1509.811.86.7
Oct28° / 18°19413.412.65.4
Nov29° / 19°16213.213.25.0
Dec30° / 20°19517.313.54.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24357
34357
44357
54258
64258
74357
84357
94357
104456
114456
124555
134654
144654
154753
164852
174852
184852
194753
204753
214753
224654
234654
244456
254357
264357
274258
284258
294258
304357
314258

Chance of precipitation in December

Any precipitation

Assis Chateaubriand gets around 195 mm of rain over 17.3 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
249
350
450
551
651
751
852
952
1053
1153
1254
1354
1455
1555
1655
1756
1856
1957
2057
2158
2259
2359
2460
2561
2661
2761
2861
2961
3061
3161

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 74% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1311224617
2310224718
339214819
439214919
538204920
638204921
738194921
827194922
927194922
1027194923
1127194923
1227194824
1327194824
1416204825
1516204725
1616204726
1716204627
1815204528
1915204529
2015204431
2114194432
2204194334
2304184335
2403174237
2503164238
2603164240
2703154141
2803144142
2902144143
3002134044
3102124045

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 24 min at the start of December to 13 h 30 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 6:42 AM to 6:52 AM, and sunset from 8:06 PM to 8:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:428:06
213.46:428:07
313.46:428:07
413.46:428:08
513.46:428:09
613.46:428:09
713.56:438:10
813.56:438:11
913.56:438:11
1013.56:438:12
1113.56:438:12
1213.56:448:13
1313.56:448:14
1413.56:448:14
1513.56:458:15
1613.56:458:15
1713.56:458:16
1813.56:468:16
1913.56:468:17
2013.56:478:17
2113.56:478:18
2213.56:488:18
2313.56:488:19
2413.56:498:19
2513.56:498:20
2613.56:508:20
2713.56:508:21
2813.56:518:21
2913.56:518:21
3013.56:528:22
3113.56:528:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.26 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.07 kWh/m² to a high of 6.26 kWh/m² in December across the year — December's 6.26 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.2Intense
316.2Intense
Planning a trip in December

Is December a good time to visit Assis Chateaubriand?

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

4.3
Sightseeing
10th-best month of the year
5.8
Beach & pool
8th-best month of the year

December is a reasonable time to visit Assis Chateaubriand for sightseeing.

What to pack for Assis Chateaubriand in December

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

In December, Assis Chateaubriand sees daytime highs around 30°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Assis Chateaubriand 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 Assis Chateaubriand peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 19UV 15Jul 10UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5High
Aug7Very high
Sep5High
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Assis Chateaubriand 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 Assis Chateaubriand is worst in September — around 19 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1718 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr7Good
May8Good
Jun8Good
Jul8Good
Aug11Good
Sep19Moderate
Oct12Good
Nov8Good
Dec7Good
Location & terrain

Where is Assis Chateaubriand?

Assis Chateaubriand sits at 24.4°S, 53.5°W, 440 m above sea level, in Brazil. The nearest listed city is Cafelândia, 30 km away.

Topography around Assis Chateaubriand

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

Within 3 km, the terrain around Assis Chateaubriand has only modest variations in elevation — a maximum elevation change of 112 m around an average of 377 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 315 m; within 80 km, large variations in elevation — a maximum elevation change of 633 m.

The land around Assis Chateaubriand is covered by cropland (47%), artificial surfaces (23%) and trees (21%) within 3 km, cropland (78%) within 16 km, and cropland (68%) within 80 km.

3 km
112 m
16 km
315 m
80 km
633 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Cafelândia 30 km · Palotina 36 km · Toledo 40 km · Corbélia 47 km · Iporã 50 km · Ubiratã 56 km · Marechal Cândido Rondon 56 km · Goioerê 56 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 Assis Chateaubriand (-24.42°, -53.5214°, elevation 440 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).