Sombrio weather in December

In December, Sombrio sees average daytime highs of 25°C and overnight lows near 20°C, with 139 mm of rain across 16.4 wet days and about 13.8 hours of daylight. It is the 4th-warmest and 4th-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 29% 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 Sombrio's 8th-clearest and 5th-windiest month. For the whole year in context, see Sombrio's year-round climate.

Daytime high
25°
4th warmest
Overnight low
20°
9th coldest
Rainfall
139 mm
16.4 wet days
Daylight
13 h 54 min
6:19 AM – 8:10 PM
Cloud cover
60%
8th clearest
Wind
13 km/h
5th windiest
Solar energy
6.48 kWh/m²
Travel score
5.9
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 Sombrio reaches about 25°C in the afternoon and slips back to 20°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12419
22419
32419
42419
52420
62420
72420
82420
92520
102520
112520
122520
132520
142520
152520
162520
172520
182521
192521
202521
212521
222521
232521
242621
252621
262621
272621
282621
292621
302621
312621

Sombrio weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 22°18920.313.75.2
Feb26° / 22°15619.5135.0
Mar26° / 21°13618.112.25.6
Apr24° / 19°10012.411.36.6
May21° / 16°13011.110.66.4
Jun19° / 14°9910.210.26.2
Jul18° / 13°11010.110.36.1
Aug19° / 14°10410116.3
Sep20° / 15°13212.511.85.9
Oct22° / 17°15215.912.75.6
Nov23° / 18°13514.913.56.1
Dec25° / 20°13916.413.85.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35050
45050
55149
65050
75050
84951
95050
104951
114951
124852
134852
144951
154852
164852
174852
184852
194753
204753
214753
224852
234852
244852
254753
264753
274753
284654
294654
304753
314753

Chance of precipitation in December

Any precipitation

Sombrio gets around 139 mm of rain over 16.4 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 53% and peaks near 58% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
250
350
450
550
650
751
851
952
1052
1153
1253
1354
1454
1554
1654
1755
1854
1954
2054
2154
2254
2354
2455
2555
2655
2756
2856
2957
3057
3158

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 67% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131431467
231330468
331329469
431328479
5312284710
6312274612
7311274613
8311264614
9311264515
10310264517
11210254518
1229254419
1329244421
1429234422
1529234324
1628224225
1728214227
1828204129
1928204030
2018193932
2118193834
2218183835
2317183736
2417183738
2517173639
2616173640
2716173541
2816163542
2915163443
3015163443
3115163444

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

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 6:16 AM to 6:26 AM, and sunset from 8:00 PM to 8:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.76:168:00
213.76:168:01
313.86:168:02
413.86:178:02
513.86:178:03
613.86:178:04
713.86:178:04
813.86:178:05
913.86:178:06
1013.86:178:06
1113.86:188:07
1213.86:188:08
1313.86:188:08
1413.86:188:09
1513.86:198:10
1613.96:198:10
1713.96:198:11
1813.96:208:11
1913.96:208:12
2013.96:218:12
2113.96:218:13
2213.96:228:13
2313.96:228:14
2413.96:238:14
2513.96:238:15
2613.96:248:15
2713.96:248:15
2813.96:258:16
2913.86:258:16
3013.86:268:16
3113.86:268:17

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 2.72 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
16.5Intense
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
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Is December a good time to visit Sombrio?

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

5.9
Sightseeing
7th-best month of the year
5.3
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Sombrio for sightseeing.

What to pack for Sombrio in December

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

In December, Sombrio sees daytime highs around 25°C and nights near 20°C. Pack rain gear and sun protection. Worth having: light clothes. About 16 days see rain.

rain gearsun protectionlight clothes

Sea temperature near Sombrio in December

The nearest coast averages about 23°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 24 km away) is warmest in February at about 25°C and coldest in August near 17°C.

It's comfortable for a long swim from Nov 1 to May 27 — about 6.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr23Refreshing
May21Refreshing
Jun19Cool
Jul17Cool
Aug17Cool
Sep18Cool
Oct19Cool
Nov21Refreshing
Dec23Refreshing

UV index in Sombrio 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 Sombrio peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 18UV 13Jun 22UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Sombrio?

Sombrio sits at 29.1°S, 49.6°W, 2 m above sea level, in Brazil. The nearest listed city is Balneário Gaivota, 6.0 km away.

Topography around Sombrio

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

Within 3 km, the terrain around Sombrio has only modest variations in elevation — a maximum elevation change of 62 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 344 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,496 m.

The land around Sombrio is covered by grassland (50%) within 3 km, water (30%), trees (23%) and grassland (22%) within 16 km, and trees (35%), water (30%) and grassland (23%) within 80 km.

3 km
62 m
16 km
344 m
80 km
1,496 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Balneário Gaivota 6.0 km · Araranguá 23 km · Balneário Arroio do Silva 24 km · Torres 27 km · Forquilhinha 43 km · Balneário Rincão 48 km · Criciúma 54 km · Içara 54 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 Sombrio (-29.1139°, -49.6167°, elevation 2 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).