Viradouro weather in December

In December, Viradouro sees average daytime highs of 30°C and overnight lows near 21°C, with 227 mm of rain across 22.8 wet days and about 13.2 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 14% 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 Viradouro's 11th-clearest and 8th-windiest month. For the whole year in context, see Viradouro's year-round climate.

Daytime high
30°
5th warmest
Overnight low
21°
11th coldest
Rainfall
227 mm
22.8 wet days
Daylight
13 h 18 min
6:32 AM – 7:47 PM
Cloud cover
73%
11th clearest
Wind
7 km/h
8th windiest
Solar energy
5.79 kWh/m²
Travel score
3.5
out of 10

Viradouro 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 30°C through the month.

A typical December day in Viradouro 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 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)
13021
23021
33021
43021
53021
63021
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 Viradouro

Once humidity and wind are folded in, December averages 28 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
28
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.

Viradouro 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°25922.813.13.5
Feb30° / 21°1791912.73.6
Mar30° / 21°16418.912.14.0
Apr30° / 19°658.711.55.5
May27° / 17°385.3117.3
Jun27° / 16°242.910.87.9
Jul28° / 15°15210.98.0
Aug30° / 17°172.411.36.5
Sep31° / 19°606.911.94.9
Oct32° / 21°1111312.53.9
Nov31° / 21°16418.3133.7
Dec30° / 21°22722.813.23.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23070
32971
42872
52674
62674
72674
82575
92575
102674
112674
122773
132773
142872
152971
162971
172971
182971
193070
203070
213070
223169
233169
243169
252971
262971
272872
282872
292773
302773
312773

Chance of precipitation in December

Any precipitation

Viradouro gets around 227 mm of rain over 22.8 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 73% and peaks near 75% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
167
269
370
471
572
673
774
875
975
1075
1175
1275
1375
1474
1574
1674
1773
1873
1972
2072
2172
2272
2372
2472
2572
2673
2773
2873
2973
3073
3174

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 60% 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 (%)
114165425
203155527
303145528
403125629
502125531
602115631
702105632
80295732
90195832
100185932
110185932
120176032
130176032
140076231
150076231
160066430
170066430
180066529
190066529
200066529
210056629
220056530
230056431
240056431
250046432
260046333
270046234
280046135
290046036
300046036
310055837

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:28 AM to 6:39 AM, and sunset from 7:38 PM to 7:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:287:38
213.26:287:39
313.26:287:40
413.26:287:40
513.26:287:41
613.26:287:41
713.26:297:42
813.26:297:43
913.26:297:43
1013.26:297:44
1113.26:307:44
1213.26:307:45
1313.36:307:46
1413.36:317:46
1513.36:317:47
1613.36:327:47
1713.36:327:48
1813.36:327:48
1913.36:337:49
2013.36:337:49
2113.36:347:50
2213.36:347:50
2313.36:357:51
2413.36:357:51
2513.36:367:52
2613.36:367:52
2713.36:377:52
2813.36:377:53
2913.36:387:53
3013.36:387:54
3113.36:397:54

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 3.97 kWh/m² to a high of 6.06 kWh/m² in October across the year — December's 5.79 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
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
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Viradouro

In seasonPeak

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

Viradouro'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 Viradouro?

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

3.5
Sightseeing
11th-best month of the year
4.8
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Viradouro.

What to pack for Viradouro in December

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

In December, Viradouro sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Viradouro 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 Viradouro peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 22UV 15Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct10Extreme
Nov13Extreme
Dec14Extreme

Air quality in Viradouro 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 Viradouro is worst in September — around 46 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (November, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 1344 µg/m³Nov 229 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar11Good
Apr12Good
May13Moderate
Jun14Moderate
Jul15Moderate
Aug35Moderate
Sep46Poor
Oct18Moderate
Nov9Good
Dec10Good
Location & terrain

Where is Viradouro?

Viradouro sits at 20.9°S, 48.3°W, 540 m above sea level, in Brazil. The nearest listed city is Pitangueiras, 17 km away.

Topography around Viradouro

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

Within 3 km, the terrain around Viradouro has only modest variations in elevation — a maximum elevation change of 115 m around an average of 540 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 174 m; within 80 km, significant variations in elevation — a maximum elevation change of 485 m.

The land around Viradouro is covered by cropland (71%) within 3 km, cropland (82%) within 16 km, and cropland (75%) within 80 km.

3 km
115 m
16 km
174 m
80 km
485 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Pitangueiras 17 km · Bebedouro 21 km · Morro Agudo 29 km · Colina 31 km · Pontal 32 km · Monte Azul Paulista 36 km · Barrinha 38 km · Jaboticabal 43 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 Viradouro (-20.8731°, -48.2969°, elevation 540 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).