Laguna weather in December

In December, Laguna sees average daytime highs of 24°C and overnight lows near 22°C, with 95 mm of rain across 11.4 wet days and about 13.8 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 35% 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 Laguna's 8th-clearest and 5th-windiest month. For the whole year in context, see Laguna's year-round climate.

Daytime high
24°
4th warmest
Overnight low
22°
9th coldest
Rainfall
95 mm
11.4 wet days
Daylight
13 h 48 min
6:17 AM – 8:05 PM
Cloud cover
58%
8th clearest
Wind
20 km/h
5th windiest
Solar energy
6.63 kWh/m²
Travel score
6.7
out of 10

Laguna 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 23°C in the first days to 25°C by the end.

A typical December day in Laguna reaches about 24°C in the afternoon and slips back to 22°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°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)
12321
22321
32321
42321
52321
62321
72321
82321
92321
102421
112421
122421
132421
142422
152422
162422
172422
182422
192422
202422
212422
222422
232422
242522
252522
262522
272522
282523
292523
302523
312523

Laguna weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 23°13414.113.66.2
Feb25° / 23°10413.6136.1
Mar25° / 23°11614.712.26.2
Apr23° / 21°9810.911.36.8
May21° / 18°13611.310.66.4
Jun19° / 16°1099.910.26.2
Jul18° / 15°10410.110.46.0
Aug18° / 15°10810.1116.2
Sep19° / 17°12911.911.85.8
Oct21° / 18°13013.912.75.7
Nov22° / 20°10912.313.46.4
Dec24° / 22°9511.413.86.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45446
55446
65446
75347
85347
95446
105347
115248
125248
135248
145248
155248
165149
175149
185149
195149
205050
215050
225050
234951
244951
254951
264852
274852
284852
294852
304852
314852

Chance of precipitation in December

Any precipitation

Laguna gets around 95 mm of rain over 11.4 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 38% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
637
737
837
937
1037
1137
1238
1338
1438
1538
1638
1738
1838
1938
2038
2138
2238
2338
2438
2538
2638
2739
2839
2939
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 40% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12132845130
22132745130
32122745140
42122745150
52112645160
62112645170
72102544180
8292544190
9292444200
10282444220
11282344230
12282243240
13272243260
14272142280
15272042290
16271941310
17271840330
18171839341
19171738361
20171737371
21171637391
22171536401
23171535411
24171435422
25161434432
26061434432
27061433443
28061333443
29061333453
30061332454
31051332454

Wind in December

Winds average 20 km/h in December.

Across December, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
320breezy
420breezy
520breezy
620breezy
720breezy
820breezy
920breezy
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light 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 6:14 AM to 6:25 AM, and sunset from 7:55 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.76:147:55
213.76:147:56
313.76:147:57
413.76:157:58
513.76:157:58
613.76:157:59
713.76:158:00
813.86:158:00
913.86:158:01
1013.86:158:02
1113.86:168:02
1213.86:168:03
1313.86:168:04
1413.86:178:04
1513.86:178:05
1613.86:178:05
1713.86:188:06
1813.86:188:06
1913.86:188:07
2013.86:198:08
2113.86:198:08
2213.86:208:09
2313.86:208:09
2413.86:218:09
2513.86:218:10
2613.86:228:10
2713.86:228:11
2813.86:238:11
2913.86:238:11
3013.86:248:12
3113.86:258:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.63 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.75 kWh/m² to a high of 6.63 kWh/m² in December across the year — December's 6.63 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.5Intense
316.5Intense
Planning a trip in December

Is December a good time to visit Laguna?

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

6.7
Sightseeing
2nd-best month of the year
5.6
Beach & pool
4th-best month of the year

December is a reasonable time to visit Laguna for sightseeing.

What to pack for Laguna in December

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

In December, Laguna sees daytime highs around 24°C and nights near 22°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Laguna 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 18 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 Oct 23 to Jun 1 — about 7.3 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar25Warm
Apr24Refreshing
May21Refreshing
Jun19Cool
Jul17Cool
Aug17Cool
Sep18Cool
Oct20Cool
Nov21Refreshing
Dec23Refreshing

UV index in Laguna 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 Laguna peaks around January 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 22UV 13Jul 10UV 4
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Laguna?

Laguna sits at 28.5°S, 48.8°W, 7 m above sea level, in Brazil. The nearest listed city is Capivari de Baixo, 18 km away.

Topography around Laguna

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

Within 3 km, the terrain around Laguna has only modest variations in elevation — a maximum elevation change of 131 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 384 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,794 m.

The land around Laguna is covered by water (55%) within 3 km, water (63%) within 16 km, and water (41%) and trees (39%) within 80 km.

3 km
131 m
16 km
384 m
80 km
1,794 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Capivari de Baixo 18 km · Tubarão 22 km · Jaguaruna 28 km · Imbituba 29 km · Braço do Norte 44 km · Morro da Fumaça 46 km · Orleans 52 km · Urussanga 53 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 Laguna (-28.4825°, -48.7808°, elevation 7 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).