Santa Vitória do Palmar weather in December

In December, Santa Vitória do Palmar sees average daytime highs of 25°C and overnight lows near 18°C, with 79 mm of rain across 7.7 wet days and about 14.2 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 42% of the time in December, and the air most often feels humid.

Daylight stretches from about 14 h 06 min at the start of December to 14 h 12 min by month's end. Set against the rest of the year, December is Santa Vitória do Palmar's 1st-clearest and 4th-windiest month. For the whole year in context, see Santa Vitória do Palmar's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
18°
9th coldest
Rainfall
79 mm
7.7 wet days
Daylight
14 h 12 min
6:23 AM – 8:36 PM
Cloud cover
51%
1st clearest
Wind
18 km/h
4th windiest
Solar energy
7.16 kWh/m²
Travel score
7.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 26°C by the end.

A typical December day in Santa Vitória do Palmar reaches about 25°C in the afternoon and slips back to 18°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°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°151015202531
Avg high (°C)Avg low (°C)
12317
22417
32417
42417
52417
62417
72417
82418
92418
102418
112418
122418
132418
142518
152518
162518
172518
182518
192519
202519
212519
222519
232519
242519
252519
262519
272519
282519
292619
302620
312620

Santa Vitória do Palmar weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 20°908.8147.0
Feb26° / 20°979.413.26.7
Mar25° / 19°939.512.37.0
Apr22° / 16°1149.511.26.8
May19° / 13°105810.36.3
Jun16° / 11°1108.79.85.1
Jul15° / 1048.7104.7
Aug16° / 10°1068.810.85.3
Sep17° / 12°1039.211.85.7
Oct20° / 14°1119.612.86.3
Nov22° / 16°86813.77.1
Dec25° / 18°797.714.27.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35842
45842
55842
65842
75842
85842
95842
105941
115842
125941
135842
145941
155941
165842
175842
185842
195842
205743
215743
225743
235743
245743
255644
265743
275743
285743
295842
305842
315941

Chance of precipitation in December

Any precipitation

Santa Vitória do Palmar gets around 79 mm of rain over 7.7 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
326
426
526
626
726
826
926
1027
1127
1227
1327
1427
1527
1627
1727
1827
1927
2026
2126
2225
2325
2424
2523
2623
2723
2822
2922
3022
3122

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the humid band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1232732171
2232732171
3232732171
4232633181
5222633181
6222533191
7212533191
8212434201
9202434211
10192334221
11182335221
12172335232
13162335242
14152234262
15152234273
16142133283
17132133294
18122032315
19112032326
20111931327
21101930338
22101830349
23918293410
24917283511
25917283512
26916273512
27916273513
28816263514
29816263515
30815263516
31815263516

Wind in December

Winds average 18 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 06 min at the start of December to 14 h 12 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 6:21 AM to 6:31 AM, and sunset from 8:25 PM to 8:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.16:218:25
214.16:218:26
314.16:218:27
414.16:218:28
514.16:218:28
614.16:218:29
714.16:218:30
814.26:228:31
914.26:228:31
1014.26:228:32
1114.26:228:33
1214.26:228:33
1314.26:228:34
1414.26:238:35
1514.26:238:35
1614.26:238:36
1714.26:248:37
1814.26:248:37
1914.26:248:38
2014.26:258:38
2114.26:258:39
2214.26:268:39
2314.26:268:40
2414.26:278:40
2514.26:278:41
2614.26:288:41
2714.26:288:41
2814.26:298:42
2914.26:308:42
3014.26:308:42
3114.26:318:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.16 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 7.16 kWh/m² in December across the year — December's 7.16 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.2Intense
147.1Intense
157.1Intense
167.1Intense
177.1Intense
187.1Intense
197.1Intense
207.1Intense
217.1Intense
227.1Intense
237.1Intense
247.1Intense
257.1Intense
267.1Intense
277.1Intense
287.1Intense
297.1Intense
307.2Intense
317.2Intense
Planning a trip in December

Is December a good time to visit Santa Vitória do Palmar?

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

7.4
Sightseeing
1st-best month of the year
6.5
Beach & pool
2nd-best month of the year

December is one of the better times to visit Santa Vitória do Palmar for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santa Vitória do Palmar in December

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

In December, Santa Vitória do Palmar sees daytime highs around 25°C and nights near 18°C. Pack sun protection. Worth having: light clothes. About 8 days see rain.

sun protectionlight clothes

Sea temperature near Santa Vitória do Palmar in December

The nearest coast averages about 21°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 25 km away) is warmest in February at about 24°C and coldest in August near 13°C.

It's comfortable for a long swim from Dec 6 to Apr 24 — about 4.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb24Refreshing
Mar23Refreshing
Apr21Refreshing
May18Cool
Jun15Bracing
Jul13Bracing
Aug13Bracing
Sep14Bracing
Oct16Cool
Nov18Cool
Dec21Refreshing

UV index in Santa Vitória do Palmar 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 Santa Vitória do Palmar peaks around January 16 at about 12 (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 highModerateHighVery highExtremeJan 16UV 12Jun 18UV 3
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Santa Vitória do Palmar?

Santa Vitória do Palmar sits at 33.5°S, 53.4°W, 22 m above sea level, in Brazil. The nearest listed city is Treinta y Tres, 100 km away.

Topography around Santa Vitória do Palmar

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Vitória do Palmar.

Within 3 km, the terrain around Santa Vitória do Palmar has only modest variations in elevation — a maximum elevation change of 28 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 41 m; within 80 km, only modest variations in elevation — a maximum elevation change of 218 m.

The land around Santa Vitória do Palmar is covered by grassland (46%) and cropland (25%) within 3 km, grassland (36%) and cropland (36%) within 16 km, and water (38%), grassland (28%) and cropland (22%) within 80 km.

3 km
28 m
16 km
41 m
80 km
218 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Treinta y Tres 100 km · Jaguarão 106 km · Rocha 139 km · Arroio Grande 145 km · La Paloma 147 km · Melo 148 km · Minas 197 km · San Carlos 201 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 Santa Vitória do Palmar (-33.5189°, -53.3681°, 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).