Bonito weather in December

In December, Bonito sees average daytime highs of 31°C and overnight lows near 22°C, with 234 mm of rain across 20.9 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 1st-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 24% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Bonito's 10th-clearest and 7th-windiest month. For the whole year in context, see Bonito's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
22°
10th coldest
Rainfall
234 mm
20.9 wet days
Daylight
13 h 18 min
6:04 AM – 7:20 PM
Cloud cover
66%
10th clearest
Wind
9 km/h
7th windiest
Solar energy
6.09 kWh/m²
Travel score
3.6
out of 10

Bonito is 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 Bonito reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313022

How December really feels in Bonito

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.

Bonito weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°2182213.13.4
Feb30° / 22°19620.612.73.5
Mar30° / 22°16318.312.14.0
Apr29° / 20°11311.111.55.6
May26° / 17°1109.1117.0
Jun25° / 16°71710.77.6
Jul25° / 15°575.510.87.9
Aug28° / 16°605.411.37.2
Sep30° / 19°1089.511.95.4
Oct30° / 20°16515.112.54.3
Nov30° / 21°18616.7134.0
Dec31° / 22°23420.913.33.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23862
33763
43763
53763
63664
73763
83763
93862
103862
113961
124159
134159
144357
154456
164456
174654
184654
194753
204753
214654
224654
234555
244456
254258
264258
274159
284060
293961
303961
313862

Chance of precipitation in December

Any precipitation

Bonito gets around 234 mm of rain over 20.9 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 67% and peaks near 73% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
164
265
366
467
567
668
767
867
967
1066
1166
1265
1365
1465
1564
1664
1764
1864
1964
2064
2165
2266
2367
2468
2569
2670
2771
2872
2972
3073
3173

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
112112363
212102364
312102265
41292266
51292266
61292266
71282267
81282267
91282267
101282267
111282267
121272268
131272268
141272268
151272268
161272367
171262368
181162369
191162369
201162369
210152271
220152272
230142273
240142174
250142174
260132076
270132076
280132076
290122077
300121978
310121978

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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 12 min at the start of December to 13 h 18 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 6:00 AM to 6:11 AM, and sunset from 7:11 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:007:11
213.26:007:12
313.26:007:13
413.26:007:13
513.26:017:14
613.26:017:15
713.26:017:15
813.26:017:16
913.26:017:16
1013.36:027:17
1113.36:027:18
1213.36:027:18
1313.36:037:19
1413.36:037:19
1513.36:037:20
1613.36:047:20
1713.36:047:21
1813.36:057:21
1913.36:057:22
2013.36:057:22
2113.36:067:23
2213.36:067:23
2313.36:077:24
2413.36:077:24
2513.36:087:25
2613.36:087:25
2713.36:097:26
2813.36:097:26
2913.36:107:26
3013.36:107:27
3113.36:117:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.09 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.54 kWh/m² to a high of 6.09 kWh/m² in December across the year — December's 6.09 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Intense
96.0Intense
106.0Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.0Intense
316.0Intense
Planning a trip in December

Is December a good time to visit Bonito?

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

3.6
Sightseeing
10th-best month of the year
5.1
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Bonito.

What to pack for Bonito in December

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

In December, Bonito sees daytime highs around 31°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Bonito 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 Bonito peaks around January 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 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 highHighModerateExtremeJan 19UV 16Sep 14UV 3
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May7Very high
Jun6High
Jul6High
Aug7Very high
Sep2Moderate
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Bonito 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 Bonito is worst in September — around 27 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (April, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1726 µg/m³Apr 165 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar6Good
Apr5Good
May6Good
Jun6Good
Jul6Good
Aug15Moderate
Sep27Moderate
Oct18Moderate
Nov11Good
Dec8Good
Location & terrain

Where is Bonito?

Bonito sits at 21.1°S, 56.5°W, 306 m above sea level, in Brazil. The nearest listed city is Jardim, 54 km away.

Topography around Bonito

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

Within 3 km, the terrain around Bonito has only modest variations in elevation — a maximum elevation change of 202 m around an average of 317 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 453 m; within 80 km, large variations in elevation — a maximum elevation change of 711 m.

The land around Bonito is covered by trees (42%) and grassland (31%) within 3 km, trees (48%) and grassland (35%) within 16 km, and trees (48%) and grassland (43%) within 80 km.

3 km
202 m
16 km
453 m
80 km
711 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Jardim 54 km · Miranda 98 km · Anastácio 100 km · Aquidauana 102 km · Bela Vista 110 km · Maracaju 147 km · Sidrolândia 159 km · Ponta Porã 176 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 Bonito (-21.1211°, -56.4819°, elevation 306 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).