Venâncio Aires weather in December

In December, Venâncio Aires sees average daytime highs of 28°C and overnight lows near 18°C, with 186 mm of rain across 15.2 wet days and about 13.9 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of December to 13 h 54 min by month's end. Set against the rest of the year, December is Venâncio Aires's 5th-clearest and 6th-windiest month. For the whole year in context, see Venâncio Aires's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
18°
10th coldest
Rainfall
186 mm
15.2 wet days
Daylight
13 h 54 min
6:28 AM – 8:22 PM
Cloud cover
58%
5th clearest
Wind
8 km/h
6th windiest
Solar energy
6.43 kWh/m²
Travel score
5.2
out of 10

Venâncio Aires 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 28°C through the month.

A typical December day in Venâncio Aires reaches about 28°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72817
82817
92817
102817
112817
122817
132817
142817
152818
162918
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
272918
282919
292919
302919
312919

Venâncio Aires 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
Jan29° / 19°20117.313.74.6
Feb29° / 19°1801613.14.7
Mar28° / 18°14714.412.25.7
Apr25° / 15°14211.211.36.6
May21° / 12°12910.410.56.4
Jun19° / 10°13210.210.16.0
Jul19° / 16311.110.36.0
Aug21° / 10°13210.610.96.4
Sep22° / 12°17412.711.86.1
Oct24° / 14°21814.512.76.1
Nov26° / 15°1581313.56.1
Dec28° / 18°18615.213.95.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35248
45149
55248
65149
75149
85149
95149
105149
115149
125248
135149
145149
155248
165248
175149
185149
195149
205248
215149
225149
235149
245050
254951
264951
274951
284951
294951
304852
314852

Chance of precipitation in December

Any precipitation

Venâncio Aires gets around 186 mm of rain over 15.2 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 49% and peaks near 50% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
246
347
447
547
648
748
848
949
1049
1149
1249
1349
1449
1549
1649
1749
1849
1949
2049
2149
2249
2349
2449
2549
2649
2749
2849
2950
3050
3150

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
182133316
282133326
382033336
482033336
581933346
671933347
771832357
871732368
971732378
1071631379
1161631389
12615303910
13615303911
14614294012
15613284013
16512284114
17512274115
18511274116
19511264118
20510264019
21510254020
2259254022
2349254023
2448243924
2548243925
2638243926
2738243827
2837243828
2937243828
3027243729
3127253729

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 8 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
128calm
138calm
148calm
158calm
168calm
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 48 min at the start of December to 13 h 54 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 6:26 AM to 6:36 AM, and sunset from 8:11 PM to 8:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:268:11
213.86:268:12
313.86:268:13
413.86:268:14
513.86:268:14
613.86:268:15
713.86:268:16
813.86:268:17
913.86:268:17
1013.96:278:18
1113.96:278:19
1213.96:278:19
1313.96:278:20
1413.96:288:20
1513.96:288:21
1613.96:288:22
1713.96:298:22
1813.96:298:23
1913.96:298:23
2013.96:308:24
2113.96:308:24
2213.96:318:25
2313.96:318:25
2413.96:328:26
2513.96:328:26
2613.96:338:27
2713.96:338:27
2813.96:348:27
2913.96:348:28
3013.96:358:28
3113.96:368:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.43 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 6.43 kWh/m² in December across the year — December's 6.43 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in December

Is December a good time to visit Venâncio Aires?

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

5.2
Sightseeing
10th-best month of the year
6.2
Beach & pool
1st-best month of the year

December is a reasonable time to visit Venâncio Aires for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Venâncio Aires in December

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

In December, Venâncio Aires sees daytime highs around 28°C and nights near 18°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Venâncio Aires in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Venâncio Aires peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 16UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr8Very high
May5Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov11Extreme
Dec12Extreme

Air quality in Venâncio Aires 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 Venâncio Aires is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1415 µg/m³Feb 227 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul10Good
Aug12Moderate
Sep15Moderate
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Venâncio Aires?

Venâncio Aires sits at 29.6°S, 52.2°W, 43 m above sea level, in Brazil. The nearest listed city is Estrela, 25 km away.

Topography around Venâncio Aires

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

Within 3 km, the terrain around Venâncio Aires has only modest variations in elevation — a maximum elevation change of 100 m around an average of 45 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 594 m; within 80 km, large variations in elevation — a maximum elevation change of 798 m.

The land around Venâncio Aires is covered by trees (36%), artificial surfaces (34%) and grassland (24%) within 3 km, trees (44%), cropland (33%) and grassland (20%) within 16 km, and trees (59%) and cropland (22%) within 80 km.

3 km
100 m
16 km
594 m
80 km
798 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Estrela 25 km · Santa Cruz do Sul 26 km · Lajeado 27 km · Vera Cruz 32 km · Arroio do Meio 33 km · Taquari 38 km · Teutônia 41 km · Rio Pardo 46 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 Venâncio Aires (-29.6064°, -52.1919°, elevation 43 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).