Capão Bonito weather in December

In December, Capão Bonito sees average daytime highs of 27°C and overnight lows near 18°C, with 174 mm of rain across 20.1 wet days and about 13.5 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 12% 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 Capão Bonito's 10th-clearest and 4th-windiest month. For the whole year in context, see Capão Bonito's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
18°
9th coldest
Rainfall
174 mm
20.1 wet days
Daylight
13 h 30 min
6:25 AM – 7:54 PM
Cloud cover
75%
10th clearest
Wind
10 km/h
4th windiest
Solar energy
5.43 kWh/m²
Travel score
4.9
out of 10

Capão Bonito 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 27°C through the month.

A typical December day in Capão Bonito reaches about 27°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62618
72618
82618
92618
102618
112618
122618
132618
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242719
252719
262719
272719
282719
292719
302719
312719

Capão Bonito weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°25323.913.34.3
Feb27° / 19°18520.912.84.4
Mar26° / 18°13420.412.25.0
Apr25° / 17°6410.111.56.7
May22° / 14°728.410.96.8
Jun21° / 13°626.310.57.1
Jul21° / 12°635.810.77.2
Aug22° / 12°445.511.27.5
Sep23° / 14°959.411.96.8
Oct24° / 15°11013.812.66.0
Nov25° / 16°12815.913.25.6
Dec27° / 18°17420.113.54.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32476
42377
52377
62278
72377
82377
92377
102377
112476
122377
132377
142377
152377
162476
172476
182575
192674
202674
212773
222674
232674
242575
252575
262476
272476
282377
292377
302278
312278

Chance of precipitation in December

Any precipitation

Capão Bonito gets around 174 mm of rain over 20.1 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 65% 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 (%)
157
258
358
459
560
660
760
861
961
1062
1162
1263
1364
1464
1565
1666
1766
1867
1967
2068
2168
2269
2369
2470
2570
2671
2772
2872
2973
3073
3173

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111636452
211635462
311535472
411434482
511434492
611333512
711332522
811332522
911231542
1011230552
1101229563
1201229563
1301128583
1401127593
1501127593
1601026604
1701026604
1801025614
190925615
200924625
210824626
220823636
230723637
240723637
250622648
260622639
270522649
2805226310
2904226410
3004216411
3104216411

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:22 AM to 6:33 AM, and sunset from 7:44 PM to 8:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:227:44
213.46:227:45
313.46:227:46
413.46:227:46
513.46:227:47
613.46:227:48
713.46:237:48
813.46:237:49
913.46:237:50
1013.46:237:50
1113.56:247:51
1213.56:247:52
1313.56:247:52
1413.56:257:53
1513.56:257:53
1613.56:257:54
1713.56:267:54
1813.56:267:55
1913.56:267:55
2013.56:277:56
2113.56:277:56
2213.56:287:57
2313.56:287:57
2413.56:297:58
2513.56:297:58
2613.56:307:59
2713.56:307:59
2813.56:317:59
2913.56:318:00
3013.56:328:00
3113.56:338:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.43 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.98 kWh/m² to a high of 5.43 kWh/m² in December across the year — December's 5.43 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
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
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in December

Hazard calendar for Capão Bonito

In seasonPeak

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

Capão Bonito's rainy season runs November–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 Capão Bonito?

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

4.9
Sightseeing
10th-best month of the year
4.8
Beach & pool
7th-best month of the year

December is a reasonable time to visit Capão Bonito for sightseeing.

What to pack for Capão Bonito in December

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

In December, Capão Bonito sees daytime highs around 27°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

UV index in Capão Bonito 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 Capão Bonito peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 15Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Capão 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 Capão Bonito is worst in September — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (January, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1017 µg/m³Jan 1410 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr11Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug17Moderate
Sep18Moderate
Oct13Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Capão Bonito?

Capão Bonito sits at 24.0°S, 48.3°W, 712 m above sea level, in Brazil. The nearest listed city is Guapiara, 27 km away.

Topography around Capão Bonito

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

Within 3 km, the terrain around Capão Bonito has only modest variations in elevation — a maximum elevation change of 110 m around an average of 683 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 323 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,284 m.

The land around Capão Bonito is covered by cropland (42%) and artificial surfaces (23%) within 3 km, trees (60%) and cropland (24%) within 16 km, and trees (67%) within 80 km.

3 km
110 m
16 km
323 m
80 km
1,284 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Guapiara 27 km · Buri 34 km · São Miguel Arcanjo 38 km · Ribeirão Branco 49 km · Itapeva 54 km · Itapetininga 55 km · Angatuba 58 km · Pilar do Sul 68 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 Capão Bonito (-24.0058°, -48.3494°, elevation 712 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).