Capão do Leão weather in December

In December, Capão do Leão sees average daytime highs of 27°C and overnight lows near 18°C, with 103 mm of rain across 10.7 wet days and about 14 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 34% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 54 min at the start of December to 14 hours by month's end. Set against the rest of the year, December is Capão do Leão's 1st-clearest and 4th-windiest month. For the whole year in context, see Capão do Leão's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
18°
9th coldest
Rainfall
103 mm
10.7 wet days
Daylight
14 h 06 min
6:24 AM – 8:28 PM
Cloud cover
57%
1st clearest
Wind
14 km/h
4th windiest
Solar energy
6.57 kWh/m²
Travel score
6.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 28°C by the end.

A typical December day in Capão do Leão reaches about 27°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°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)
12617
22617
32717
42717
52717
62717
72717
82717
92717
102717
112718
122718
132718
142718
152718
162718
172818
182818
192818
202818
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

Capão do Leão weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°11712.513.85.5
Feb28° / 20°11212.113.25.6
Mar27° / 18°10411.212.26.4
Apr24° / 15°1139.911.26.8
May21° / 12°99910.46.5
Jun18° / 10°1029.2106.0
Jul18° / 1079.510.15.8
Aug19° / 10°1129.510.86.2
Sep20° / 12°13910.511.86.1
Oct22° / 14°13710.812.86.5
Nov25° / 16°979.213.66.9
Dec27° / 18°10310.7146.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55050
65050
75050
85050
94951
104951
114852
124951
134852
144852
154852
164753
174852
184852
194852
204951
214951
225050
235050
245050
255149
265149
275149
285149
295248
305248
315248

Chance of precipitation in December

Any precipitation

Capão do Leão gets around 103 mm of rain over 10.7 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 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
432
532
632
732
832
933
1033
1133
1233
1334
1434
1535
1635
1736
1836
1936
2036
2136
2236
2336
2436
2536
2636
2736
2836
2936
3036
3136

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11824332230
21823332330
31823332330
41822332330
51722332430
61722332440
71721332540
81621332640
91620332750
101520322750
111520322850
121420312960
131320313060
141220303170
151219293280
161119293380
171018283490
1810182735100
199172736110
209172536120
219172436140
228162337151
238162337161
248162237171
257162137181
267152137191
277152037201
286152036211
296152036221
305152036231
315152035231

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 54 min at the start of December to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:22 AM to 6:32 AM, and sunset from 8:17 PM to 8:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.96:228:17
213.96:228:18
314.06:228:19
414.06:228:20
514.06:228:21
614.06:228:21
714.06:228:22
814.06:228:23
914.06:228:23
1014.06:238:24
1114.06:238:25
1214.06:238:26
1314.06:238:26
1414.16:248:27
1514.16:248:27
1614.16:248:28
1714.16:258:29
1814.16:258:29
1914.16:258:30
2014.16:268:30
2114.16:268:31
2214.16:278:31
2314.16:278:32
2414.16:288:32
2514.16:288:33
2614.16:298:33
2714.16:298:33
2814.16:308:34
2914.16:308:34
3014.16:318:34
3114.06:328:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.57 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 6.57 kWh/m² in December across the year — December's 6.57 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
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 Capão do Leão?

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

6.3
Sightseeing
6th-best month of the year
6.6
Beach & pool
1st-best month of the year

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

What to pack for Capão do Leão in December

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

In December, Capão do Leão sees daytime highs around 27°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

Sea temperature near Capão do Leão in December

The nearest coast averages about 22°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 53 km away) is warmest in February at about 24°C and coldest in July near 14°C.

It's comfortable for a long swim from Nov 18 to May 4 — about 5.5 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Warm
Mar24Refreshing
Apr22Refreshing
May19Cool
Jun16Cool
Jul14Bracing
Aug14Bracing
Sep15Cool
Oct18Cool
Nov20Cool
Dec22Refreshing

UV index in Capão do Leão 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 Capão do Leão peaks around January 12 at about 12 (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 highModerateHighVery highExtremeJan 12UV 12Jun 20UV 3
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7Very high
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Capão do Leão?

Capão do Leão sits at 31.8°S, 52.5°W, 22 m above sea level, in Brazil. The nearest listed city is Pelotas, 14 km away.

Topography around Capão do Leão

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

Within 3 km, the terrain around Capão do Leão has only modest variations in elevation — a maximum elevation change of 149 m around an average of 33 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 297 m; within 80 km, significant variations in elevation — a maximum elevation change of 507 m.

The land around Capão do Leão is covered by trees (57%) and grassland (28%) within 3 km, trees (32%), grassland (26%) and cropland (23%) within 16 km, and trees (29%), water (24%) and grassland (21%) within 80 km.

3 km
149 m
16 km
297 m
80 km
507 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Pelotas 14 km · Canguçu 45 km · Rio Grande 47 km · São José do Norte 50 km · São Lourenço do Sul 65 km · Piratini 68 km · Arroio Grande 78 km · Camaquã 120 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 Capão do Leão (-31.7633°, -52.4839°, elevation 22 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).