Butiá weather in December

In December, Butiá sees average daytime highs of 29°C and overnight lows near 19°C, with 126 mm of rain across 11.5 wet days and about 13.9 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 36% 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 Butiá's 3rd-clearest and 4th-windiest month. For the whole year in context, see Butiá's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
19°
9th coldest
Rainfall
126 mm
11.5 wet days
Daylight
13 h 54 min
6:26 AM – 8:22 PM
Cloud cover
56%
3rd clearest
Wind
11 km/h
4th windiest
Solar energy
6.48 kWh/m²
Travel score
5.2
out of 10

Butiá 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

Highs climb over the month, from about 28°C in the first days to 30°C by the end.

A typical December day in Butiá reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42918
52918
62918
72918
82918
92918
102919
112919
122919
132919
142919
152919
162919
173019
183019
193019
203019
213019
223020
233020
243020
253020
263020
273020
283020
293020
303020
313020

How December really feels in Butiá

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.

Butiá weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°13013.913.74.5
Feb30° / 20°12512.513.14.7
Mar28° / 19°10810.812.25.8
Apr25° / 16°1149.211.36.9
May21° / 13°1148.810.56.7
Jun19° / 11°1269.310.16.1
Jul19° / 10°14810.210.36.0
Aug21° / 11°1201010.96.5
Sep22° / 13°15211.311.86.3
Oct24° / 15°17812.212.76.4
Nov27° / 17°12410.313.56.4
Dec29° / 19°12611.513.95.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25446
35347
45347
55248
65347
75347
85347
95248
105248
115347
125347
135347
145347
155347
165347
175347
185347
195446
205446
215446
225446
235347
245347
255347
265446
275347
285347
295347
305347
315347

Chance of precipitation in December

Any precipitation

Butiá gets around 126 mm of rain over 11.5 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
636
736
836
936
1036
1136
1236
1336
1436
1536
1637
1737
1837
1937
2037
2137
2237
2337
2437
2538
2638
2738
2838
2938
3039
3139

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 52% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1921333060
2921333160
3920333160
4920333170
5919333270
6919333270
7918333380
8818333380
9817323390
108173234100
117173134100
127163135110
137163035120
146152936130
156152836140
166142837150
176142737170
186132637180
195132537190
205122537200
215122437220
224122437230
234112337241
244112337251
254112236261
263102236271
273102236281
283102236281
29392236281
30292336292
31292336292

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:24 AM to 6:34 AM, and sunset from 8:12 PM to 8:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:248:12
213.86:248:12
313.86:248:13
413.86:248:14
513.86:248:15
613.96:248:15
713.96:248:16
813.96:248:17
913.96:248:17
1013.96:248:18
1113.96:258:19
1213.96:258:19
1313.96:258:20
1413.96:258:21
1513.96:268:21
1613.96:268:22
1713.96:268:22
1813.96:278:23
1913.96:278:24
2013.96:288:24
2113.96:288:25
2213.96:298:25
2313.96:298:26
2413.96:308:26
2513.96:308:26
2613.96:318:27
2713.96:318:27
2813.96:328:28
2913.96:328:28
3013.96:338:28
3113.96:348:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.48 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 6.48 kWh/m² in December across the year — December's 6.48 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
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
246.4Intense
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 Butiá?

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
6.7
Beach & pool
2nd-best month of the year

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

What to pack for Butiá in December

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

In December, Butiá sees daytime highs around 29°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Butiá 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 Butiá peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 15UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme

Air quality in Butiá 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 Butiá is worst in August — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1720 µg/m³Dec 1811 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Good
Apr15Moderate
May17Moderate
Jun17Moderate
Jul19Moderate
Aug20Moderate
Sep19Moderate
Oct13Moderate
Nov12Good
Dec10Good
Location & terrain

Where is Butiá?

Butiá sits at 30.1°S, 52.0°W, 71 m above sea level, in Brazil. The nearest listed city is São Jerônimo, 29 km away.

Topography around Butiá

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

Within 3 km, the terrain around Butiá has only modest variations in elevation — a maximum elevation change of 163 m around an average of 71 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 304 m; within 80 km, large variations in elevation — a maximum elevation change of 631 m.

The land around Butiá is covered by trees (38%) and grassland (28%) within 3 km, trees (37%), grassland (34%) and cropland (27%) within 16 km, and trees (49%), cropland (23%) and grassland (22%) within 80 km.

3 km
163 m
16 km
304 m
80 km
631 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: São Jerônimo 29 km · Triunfo 31 km · Eldorado do Sul 34 km · Taquari 37 km · Charqueadas 37 km · Rio Pardo 43 km · Venâncio Aires 61 km · Guaíba 61 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 Butiá (-30.1197°, -51.9622°, elevation 71 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).