Caçapava do Sul weather in December

In December, Caçapava do Sul sees average daytime highs of 29°C and overnight lows near 17°C, with 135 mm of rain across 10.8 wet days and about 13.9 hours of daylight. It is the 3rd-warmest and 7th-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 41% 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 Caçapava do Sul's 1st-clearest and 4th-windiest month. For the whole year in context, see Caçapava do Sul's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
17°
10th coldest
Rainfall
135 mm
10.8 wet days
Daylight
14 hours
6:31 AM – 8:29 PM
Cloud cover
53%
1st clearest
Wind
12 km/h
4th windiest
Solar energy
6.88 kWh/m²
Travel score
5.6
out of 10

Caçapava do Sul 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 Caçapava do Sul reaches about 29°C in the afternoon and slips back to 17°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 3°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12816
22816
32816
42816
52816
62817
72817
82817
92817
102917
112917
122917
132917
142917
152917
162917
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
273018
283018
293018
303019
313019

Caçapava do Sul weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 19°13912.813.74.9
Feb29° / 19°13111.813.15.1
Mar28° / 17°12110.512.26.2
Apr24° / 14°1449.311.37.0
May20° / 11°1238.610.56.5
Jun18° / 1411010.15.8
Jul17° / 1409.910.25.7
Aug19° / 1339.410.96.4
Sep21° / 11°16710.511.86.3
Oct23° / 13°19011.512.76.6
Nov26° / 15°1309.513.56.8
Dec29° / 17°13510.813.95.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45644
55545
65545
75545
85545
95545
105545
115545
125545
135446
145446
155446
165446
175446
185446
195446
205446
215446
225446
235446
245446
255347
265347
275446
285347
295446
305446
315347

Chance of precipitation in December

Any precipitation

Caçapava do Sul gets around 135 mm of rain over 10.8 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 34% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
232
332
432
532
632
732
832
932
1032
1132
1232
1332
1433
1534
1634
1735
1835
1936
2036
2136
2237
2337
2437
2537
2637
2737
2837
2938
3038
3138

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12030291830
22029291930
32029291930
42029292030
51928292030
61928282130
71927282230
81827282330
91826282440
101726282640
111725282740
121625282840
131624282940
141523283050
151422283150
161421273260
171321273360
181220273370
191219273480
201119273490
2110182734100
2210182735110
239172735120
249172635130
258162735140
268162634151
277162634161
287162634171
296162633181
306162633181
315162733191

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 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
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

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 6:29 AM to 6:39 AM, and sunset from 8:19 PM to 8:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:298:19
213.86:298:19
313.96:298:20
413.96:298:21
513.96:298:22
613.96:298:22
713.96:298:23
813.96:298:24
913.96:298:24
1013.96:308:25
1113.96:308:26
1213.96:308:26
1313.96:308:27
1414.06:318:28
1514.06:318:28
1614.06:318:29
1714.06:328:30
1814.06:328:30
1914.06:328:31
2014.06:338:31
2114.06:338:32
2214.06:348:32
2314.06:348:33
2414.06:358:33
2514.06:358:33
2614.06:368:34
2714.06:368:34
2814.06:378:35
2914.06:378:35
3014.06:388:35
3113.96:398:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.88 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 6.88 kWh/m² in December across the year — December's 6.88 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
116.9Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in December

Is December a good time to visit Caçapava do Sul?

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

5.6
Sightseeing
10th-best month of the year
6.9
Beach & pool
1st-best month of the year

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

What to pack for Caçapava do Sul in December

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

In December, Caçapava do Sul sees daytime highs around 29°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Caçapava do Sul 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 Caçapava do Sul peaks around January 16 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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 16UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Extreme
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Caçapava do Sul?

Caçapava do Sul sits at 30.5°S, 53.5°W, 426 m above sea level, in Brazil. The nearest listed city is São Sepé, 40 km away.

Topography around Caçapava do Sul

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

Within 3 km, the terrain around Caçapava do Sul has only modest variations in elevation — a maximum elevation change of 233 m around an average of 380 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 379 m; within 80 km, significant variations in elevation — a maximum elevation change of 498 m.

The land around Caçapava do Sul is covered by trees (49%) and grassland (32%) within 3 km, trees (49%) and grassland (42%) within 16 km, and grassland (36%), trees (35%) and cropland (28%) within 80 km.

3 km
233 m
16 km
379 m
80 km
498 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: São Sepé 40 km · Cachoeira do Sul 78 km · São Gabriel 82 km · Encruzilhada do Sul 92 km · Santa Maria 97 km · Agudo 99 km · Bagé 108 km · Piratini 110 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 Caçapava do Sul (-30.5144°, -53.485°, elevation 426 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).