Bauru weather in December

In December, Bauru sees average daytime highs of 30°C and overnight lows near 21°C, with 192 mm of rain across 19.9 wet days and about 13.3 hours of daylight. It is the 3rd-warmest and 2nd-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 17% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Bauru's 11th-clearest and 8th-windiest month. For the whole year in context, see Bauru's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
21°
10th coldest
Rainfall
192 mm
19.9 wet days
Daylight
13 h 24 min
6:32 AM – 7:53 PM
Cloud cover
70%
11th clearest
Wind
9 km/h
8th windiest
Solar energy
5.91 kWh/m²
Travel score
3.8
out of 10

Bauru is human settlement in Brazil.

Air quality
Good
PM10 24 µg/m³ · 2019

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 30°C through the month.

A typical December day in Bauru reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°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)
13020
23020
33020
43020
53020
63020
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How December really feels in Bauru

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bauru weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°25322.513.23.5
Feb30° / 21°18418.512.83.7
Mar30° / 21°13216.812.24.4
Apr29° / 19°597.511.56.1
May26° / 16°576.210.97.5
Jun25° / 15°404.210.78.0
Jul26° / 14°273.710.88.1
Aug28° / 15°323.811.27.5
Sep29° / 17°647.911.95.8
Oct30° / 19°11012.212.54.6
Nov30° / 20°15215.413.14.3
Dec30° / 21°19219.913.33.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33466
43367
53367
63367
73268
83268
93367
103367
113466
123466
133466
143565
153565
163664
173664
183664
193763
203763
213763
223763
233565
243466
253466
263268
273169
283169
292971
302971
312971

Chance of precipitation in December

Any precipitation

Bauru gets around 192 mm of rain over 19.9 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 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
259
360
461
562
662
763
863
964
1064
1165
1265
1365
1465
1566
1666
1766
1865
1965
2065
2165
2265
2365
2466
2566
2666
2767
2867
2968
3068
3168

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
119245016
218235117
317225119
417225020
516215121
616215022
706205123
806205024
905195125
1005195125
1105195026
1205185126
1304185226
1404175326
1504175326
1604175326
1704165426
1804165426
1904165426
2004155526
2103155527
2203145627
2303145627
2402135728
2502135728
2602135629
2702125630
2802125531
2901125631
3001125532
3101115533

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 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
109calm
119calm
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 18 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 0 minutes over December. Sunrise moves from 6:28 AM to 6:39 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)
113.36:287:44
213.36:287:45
313.36:287:45
413.36:287:46
513.36:297:47
613.36:297:47
713.36:297:48
813.36:297:48
913.36:297:49
1013.36:307:50
1113.36:307:50
1213.36:307:51
1313.36:317:51
1413.46:317:52
1513.46:317:53
1613.46:327:53
1713.46:327:54
1813.46:327:54
1913.46:337:55
2013.46:337:55
2113.46:347:56
2213.46:347:56
2313.46:357:57
2413.46:357:57
2513.46:367:58
2613.46:367:58
2713.46:377:58
2813.46:377:59
2913.46:387:59
3013.46:388:00
3113.36:398:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.91 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 6.04 kWh/m² in November across the year — December's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Bauru

In seasonPeak

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

Bauru'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 Bauru?

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

3.8
Sightseeing
10th-best month of the year
5.2
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Bauru.

What to pack for Bauru in December

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

In December, Bauru sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Bauru 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 Bauru peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 22UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Bauru 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 Bauru is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1022 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun14Moderate
Jul14Moderate
Aug22Moderate
Sep22Moderate
Oct17Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Bauru?

Bauru sits at 22.3°S, 49.1°W, 530 m above sea level, in Brazil. The nearest listed city is Piratininga, 13 km away.

Topography around Bauru

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

Within 3 km, the terrain around Bauru has only modest variations in elevation — a maximum elevation change of 125 m around an average of 546 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 210 m; within 80 km, significant variations in elevation — a maximum elevation change of 520 m.

The land around Bauru is covered by artificial surfaces (76%) within 3 km, trees (40%) and cropland (32%) within 16 km, and cropland (50%) and trees (33%) within 80 km.

3 km
125 m
16 km
210 m
80 km
520 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Piratininga 13 km · Agudos 19 km · Pederneiras 30 km · Lençóis Paulista 41 km · Macatuba 42 km · Bariri 42 km · Jaú 52 km · Pirajuí 54 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 Bauru (-22.3147°, -49.0606°, elevation 530 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).