Canoas weather in December

In December, Canoas sees average daytime highs of 29°C and overnight lows near 20°C, with 125 mm of rain across 11.7 wet days and about 13.9 hours of daylight. It is the 3rd-warmest and 6th-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 34% 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 Canoas's 3rd-clearest and 4th-windiest month. For the whole year in context, see Canoas's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
125 mm
11.7 wet days
Daylight
13 h 54 min
6:23 AM – 8:18 PM
Cloud cover
57%
3rd clearest
Wind
12 km/h
4th windiest
Solar energy
6.58 kWh/m²
Travel score
5.2
out of 10

Canoas is human settlement in Brazil.

Air quality
Good
PM10 26 µg/m³ · 2016

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 Canoas reaches about 29°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42819
52819
62819
72919
82919
92919
102919
112919
122919
132919
142919
152919
162920
172920
182920
192920
203020
213020
223020
233020
243020
253020
263020
273020
283020
293021
303021
313021

How December really feels in Canoas

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Canoas weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°13714.113.74.6
Feb30° / 21°12613.313.14.6
Mar28° / 20°11211.912.25.7
Apr26° / 17°1069.211.36.8
May22° / 13°1079.210.56.7
Jun20° / 11°1139.210.16.2
Jul19° / 10°1401010.36.1
Aug21° / 11°12010.210.96.5
Sep22° / 13°14611.111.86.4
Oct24° / 16°17012.512.76.4
Nov27° / 17°12310.813.56.4
Dec29° / 20°12511.713.95.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45149
55149
65248
75248
85248
95248
105248
115248
125347
135347
145347
155248
165248
175248
185248
195248
205248
215248
225248
235248
245149
255149
265149
275149
285149
295149
305149
315248

Chance of precipitation in December

Any precipitation

Canoas gets around 125 mm of rain over 11.7 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 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
938
1038
1138
1238
1339
1439
1539
1639
1739
1839
1939
2038
2138
2238
2338
2438
2538
2638
2738
2838
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 36% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1620333380
2619333480
3619323480
4618323590
56183235100
66173135100
76163135110
86163135120
96153036130
105153036140
115143036140
125142936150
135142937160
144132837170
154132737180
164122637200
174122538210
184122538220
193112438230
203112437251
213102337261
223102337271
23392237281
24292237291
25292137301
26282137311
27282137321
28282037331
29282037331
30172037331
31172037341

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 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
3111calm

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 6:21 AM to 6:31 AM, and sunset from 8:08 PM to 8:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.86:218:08
213.86:218:09
313.86:218:10
413.86:218:10
513.86:218:11
613.86:218:12
713.96:218:12
813.96:218:13
913.96:228:14
1013.96:228:15
1113.96:228:15
1213.96:228:16
1313.96:238:17
1413.96:238:17
1513.96:238:18
1613.96:238:18
1713.96:248:19
1813.96:248:19
1913.96:258:20
2013.96:258:21
2113.96:258:21
2213.96:268:21
2313.96:268:22
2413.96:278:22
2513.96:278:23
2613.96:288:23
2713.96:298:24
2813.96:298:24
2913.96:308:24
3013.96:308:25
3113.96:318:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.58 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.39 kWh/m² to a high of 6.58 kWh/m² in December across the year — December's 6.58 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
106.6Intense
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
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in December

Is December a good time to visit Canoas?

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

5.2
Sightseeing
10th-best month of the year
6.7
Beach & pool
1st-best month of the year

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

What to pack for Canoas in December

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

In December, Canoas sees daytime highs around 29°C and nights near 20°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

Sea temperature near Canoas in December

The nearest coast averages about 24°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 51 km away) is warmest in February at about 26°C and coldest in July near 15°C.

It's comfortable for a long swim from Oct 23 to May 10 — about 6.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar25Warm
Apr23Refreshing
May19Cool
Jun17Cool
Jul15Cool
Aug16Cool
Sep17Cool
Oct20Cool
Nov22Refreshing
Dec24Warm

UV index in Canoas 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 Canoas peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 15UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Canoas in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Canoas is worst in August — around 27 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 13 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateAug 1327 µg/m³Dec 2213 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar15Moderate
Apr18Moderate
May21Moderate
Jun23Moderate
Jul25Moderate
Aug27Moderate
Sep23Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Canoas?

Canoas sits at 29.9°S, 51.2°W, 25 m above sea level, in Brazil. The nearest listed city is Esteio, 6.0 km away.

Topography around Canoas

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

Within 3 km, the terrain around Canoas has only modest variations in elevation — a maximum elevation change of 44 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 311 m; within 80 km, large variations in elevation — a maximum elevation change of 946 m.

The land around Canoas is covered by artificial surfaces (67%) within 3 km, artificial surfaces (32%) and trees (31%) within 16 km, and trees (49%) and grassland (20%) within 80 km.

3 km
44 m
16 km
311 m
80 km
946 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Esteio 6.0 km · Cachoeirinha 9.0 km · Nova Santa Rita 12 km · Sapucaia do Sul 12 km · Porto Alegre 14 km · Alvorada 14 km · São Leopoldo 18 km · Gravataí 19 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 Canoas (-29.9178°, -51.1836°, elevation 25 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).