Ibirubá weather in December

In December, Ibirubá sees average daytime highs of 29°C and overnight lows near 18°C, with 170 mm of rain across 13 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 37% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 42 min at the start of December to 13 h 48 min by month's end. Set against the rest of the year, December is Ibirubá's 6th-clearest and 6th-windiest month. For the whole year in context, see Ibirubá's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
170 mm
13 wet days
Daylight
13 h 48 min
6:34 AM – 8:23 PM
Cloud cover
55%
6th clearest
Wind
11 km/h
6th windiest
Solar energy
6.5 kWh/m²
Travel score
5.4
out of 10

Ibirubá 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 29°C through the month.

A typical December day in Ibirubá reaches about 29°C in the afternoon and slips back to 18°C overnight — a 10°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
42818
52818
62818
72818
82818
92818
102818
112918
122918
132918
142918
152918
162918
172918
182918
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919
312919

Ibirubá weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°16014.413.65.0
Feb28° / 19°14014135.2
Mar28° / 18°12811.712.26.1
Apr25° / 15°14510.111.36.8
May21° / 12°1399.210.66.6
Jun19° / 10°14610.210.26.1
Jul19° / 16210.510.46.1
Aug21° / 11°1189.2116.7
Sep22° / 13°14711.111.86.5
Oct25° / 15°22713.612.76.3
Nov27° / 16°15411.113.46.4
Dec29° / 18°1701313.85.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35248
45248
55248
65248
75347
85347
95347
105347
115446
125446
135545
145545
155545
165545
175446
185446
195545
205545
215446
225347
235347
245347
255248
265248
275248
285248
295248
305248
315248

Chance of precipitation in December

Any precipitation

Ibirubá gets around 170 mm of rain over 13 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 42% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
439
539
639
740
840
940
1040
1141
1241
1341
1442
1542
1642
1743
1843
1943
2043
2143
2243
2344
2444
2544
2644
2744
2844
2944
3044
3144

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1142432282
2132432282
3132432292
4122432302
5122432302
6112332313
7112332323
8102331323
9102331333
1092231344
1192231344
1292231354
1382131355
1482131365
1582030366
1671930376
1771930377
1871829378
1971829379
20617293710
21617283711
22617283712
23516283714
24516273715
25515273716
26415273717
27414273718
28314273719
29313283619
30313283620
31212283621

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 42 min at the start of December to 13 h 48 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 6:31 AM to 6:42 AM, and sunset from 8:13 PM to 8:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.76:318:13
213.76:318:14
313.76:318:14
413.76:318:15
513.76:328:16
613.76:328:17
713.86:328:17
813.86:328:18
913.86:328:19
1013.86:328:19
1113.86:338:20
1213.86:338:21
1313.86:338:21
1413.86:338:22
1513.86:348:22
1613.86:348:23
1713.86:348:24
1813.86:358:24
1913.86:358:25
2013.86:368:25
2113.86:368:26
2213.86:378:26
2313.86:378:27
2413.86:388:27
2513.86:388:27
2613.86:398:28
2713.86:398:28
2813.86:408:29
2913.86:408:29
3013.86:418:29
3113.86:428:30

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.5 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 6.5 kWh/m² in December across the year — December's 6.5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in December

Is December a good time to visit Ibirubá?

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

5.4
Sightseeing
10th-best month of the year
6.6
Beach & pool
1st-best month of the year

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

What to pack for Ibirubá in December

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

In December, Ibirubá sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Ibirubá in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ibirubá peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov12Extreme
Dec13Extreme

Air quality in Ibirubá 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 Ibirubá is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1514 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May6Good
Jun6Good
Jul7Good
Aug10Good
Sep15Moderate
Oct9Good
Nov7Good
Dec6Good
Location & terrain

Where is Ibirubá?

Ibirubá sits at 28.6°S, 53.1°W, 404 m above sea level, in Brazil. The nearest listed city is Espumoso, 26 km away.

Topography around Ibirubá

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

Within 3 km, the terrain around Ibirubá has only modest variations in elevation — a maximum elevation change of 123 m around an average of 415 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 182 m; within 80 km, large variations in elevation — a maximum elevation change of 718 m.

The land around Ibirubá is covered by cropland (57%) and trees (21%) within 3 km, cropland (77%) within 16 km, and cropland (73%) within 80 km.

3 km
123 m
16 km
182 m
80 km
718 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Espumoso 26 km · Não-Me-Toque 32 km · Carazinho 48 km · Cruz Alta 50 km · Panambi 55 km · Soledade 60 km · Sarandi 78 km · Passo Fundo 78 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 Ibirubá (-28.6275°, -53.0897°, elevation 404 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).