Araraquara weather in December

In December, Araraquara sees average daytime highs of 30°C and overnight lows near 21°C, with 214 mm of rain across 21 wet days and about 13.3 hours of daylight. It is the 5th-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 15% of the time in December, and the air most often feels muggy.

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 Araraquara's 11th-clearest and 8th-windiest month. For the whole year in context, see Araraquara's year-round climate.

Daytime high
30°
5th warmest
Overnight low
21°
10th coldest
Rainfall
214 mm
21 wet days
Daylight
13 h 18 min
6:29 AM – 7:49 PM
Cloud cover
71%
11th clearest
Wind
8 km/h
8th windiest
Solar energy
5.79 kWh/m²
Travel score
3.9
out of 10

Araraquara is human settlement in Brazil.

Air quality
Good
PM10 25 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 Araraquara 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
53021
63021
73021
83021
92921
102921
112921
122921
132921
142921
152921
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
292921
302921
312921

Araraquara weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°26522.413.23.7
Feb30° / 21°18518.212.73.9
Mar30° / 20°16317.812.24.3
Apr29° / 19°648.211.56.0
May26° / 16°566.1117.4
Jun26° / 15°353.410.78.1
Jul26° / 15°253.210.88.1
Aug28° / 16°263.311.37.3
Sep30° / 18°677.511.95.6
Oct30° / 19°11512.812.54.6
Nov30° / 20°17016.2134.3
Dec30° / 21°2142113.33.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33367
43367
53367
63268
73268
83268
93268
103169
113268
123268
133367
143367
153367
163466
173466
183466
193466
203565
213565
223565
233565
243466
253268
263268
273169
283070
293070
302872
312872

Chance of precipitation in December

Any precipitation

Araraquara gets around 214 mm of rain over 21 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 68% and peaks near 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
160
261
362
463
564
665
766
867
967
1067
1168
1268
1368
1468
1568
1669
1769
1869
1969
2069
2169
2269
2369
2469
2570
2670
2770
2871
2971
3071
3171

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 82% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
118225613
218225514
317215615
416205716
515205717
615195817
714195818
814185918
903186019
1003186019
1102176219
1202176219
1302166319
1401166419
1501166419
1601156519
1701156519
1801156519
1901146619
2001146619
2101136719
2201136620
2301126720
2401126621
2501116622
2601106623
2701106524
280096724
290096625
300096526
310086626

Wind in December

Winds average 8 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
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:25 AM to 6:36 AM, and sunset from 7:40 PM to 7:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:257:40
213.26:267:40
313.36:267:41
413.36:267:41
513.36:267:42
613.36:267:43
713.36:267:43
813.36:277:44
913.36:277:45
1013.36:277:45
1113.36:277:46
1213.36:287:46
1313.36:287:47
1413.36:287:47
1513.36:297:48
1613.36:297:49
1713.36:307:49
1813.36:307:50
1913.36:307:50
2013.36:317:51
2113.36:317:51
2213.36:327:52
2313.36:327:52
2413.36:337:53
2513.36:337:53
2613.36:347:53
2713.36:347:54
2813.36:357:54
2913.36:357:55
3013.36:367:55
3113.36:367:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.79 kWh/m².

For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 5.96 kWh/m² in November across the year — December's 5.79 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in December

Hazard calendar for Araraquara

In seasonPeak

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

Araraquara's monsoon runs November–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 Araraquara?

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

3.9
Sightseeing
10th-best month of the year
5.1
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Araraquara.

What to pack for Araraquara in December

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

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

light clothesrain gearsun protection

UV index in Araraquara 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 Araraquara peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 20UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Araraquara 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 Araraquara is worst in September — around 37 µg/m³ PM2.5 (poor), about 3.6× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 1037 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar13Moderate
Apr14Moderate
May16Moderate
Jun17Moderate
Jul18Moderate
Aug35Poor
Sep37Poor
Oct18Moderate
Nov10Good
Dec11Good
Location & terrain

Where is Araraquara?

Araraquara sits at 21.8°S, 48.2°W, 677 m above sea level, in Brazil. The nearest listed city is Américo Brasiliense, 11 km away.

Topography around Araraquara

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

Within 3 km, the terrain around Araraquara has only modest variations in elevation — a maximum elevation change of 132 m around an average of 658 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 292 m; within 80 km, large variations in elevation — a maximum elevation change of 680 m.

The land around Araraquara is covered by artificial surfaces (73%) within 3 km, cropland (58%) and trees (21%) within 16 km, and cropland (59%) and trees (27%) within 80 km.

3 km
132 m
16 km
292 m
80 km
680 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Américo Brasiliense 11 km · Ibaté 26 km · Matão 29 km · São Carlos 38 km · Guariba 49 km · Pradópolis 50 km · Brotas 55 km · Taquaritinga 55 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 Araraquara (-21.7944°, -48.1756°, elevation 677 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).