São Joaquim weather in December

In December, São Joaquim sees average daytime highs of 23°C and overnight lows near 14°C, with 136 mm of rain across 15.5 wet days and about 13.8 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 27% of the time in December, and the air most often feels comfortable.

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 São Joaquim's 9th-clearest and 7th-windiest month. For the whole year in context, see São Joaquim's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
136 mm
15.5 wet days
Daylight
13 h 48 min
6:22 AM – 8:10 PM
Cloud cover
63%
9th clearest
Wind
11 km/h
7th windiest
Solar energy
6.1 kWh/m²
Travel score
5.9
out of 10

São Joaquim 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

Day-to-day highs hold fairly steady near 23°C through the month.

A typical December day in São Joaquim reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72313
82313
92313
102313
112313
122314
132314
142314
152314
162314
172314
182314
192314
202314
212314
222314
232314
242314
252314
262314
272314
282314
292415
302415
312415

São Joaquim weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 15°15918.813.65.5
Feb23° / 15°13616.5135.6
Mar22° / 14°10614.512.26.0
Apr20° / 11°8610.211.36.2
May16° / 12210.610.65.2
Jun15° / 11910.410.24.6
Jul15° / 11810.210.44.6
Aug17° / 1129.3115.7
Sep18° / 14311.811.85.6
Oct20° / 11°15914.612.75.5
Nov21° / 12°12913.613.45.9
Dec23° / 14°13615.513.85.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44654
54654
64654
74753
84654
94654
104654
114654
124654
134555
144456
154456
164456
174357
184357
194258
204258
214159
224159
234159
244060
253961
263961
273862
283961
293862
303862
313961

Chance of precipitation in December

Any precipitation

São Joaquim gets around 136 mm of rain over 15.5 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 51% and peaks near 55% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
447
547
647
748
848
949
1049
1150
1250
1351
1451
1551
1651
1752
1852
1952
2052
2152
2252
2352
2452
2552
2653
2753
2854
2954
3054
3155

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 37% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14739140
24639140
34539150
44540160
54440160
64340170
74240180
84140190
94040200
103940210
113840220
123740230
133639240
143539260
153439270
163338280
173238301
183237311
193136321
203036331
213035341
222935351
232834361
242834372
252733382
262733382
272633392
282632402
292532403
302532403
312432413

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:19 AM to 6:30 AM, and sunset from 8:00 PM to 8:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.76:198:00
213.76:198:00
313.76:198:01
413.76:208:02
513.76:208:02
613.76:208:03
713.76:208:04
813.76:208:05
913.76:208:05
1013.86:208:06
1113.86:218:07
1213.86:218:07
1313.86:218:08
1413.86:228:08
1513.86:228:09
1613.86:228:10
1713.86:238:10
1813.86:238:11
1913.86:238:11
2013.86:248:12
2113.86:248:12
2213.86:258:13
2313.86:258:13
2413.86:268:14
2513.86:268:14
2613.86:278:14
2713.86:278:15
2813.86:288:15
2913.86:288:16
3013.86:298:16
3113.86:308:16

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.1 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 6.1 kWh/m² in December across the year — December's 6.1 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Bright
316.0Bright
Planning a trip in December

Is December a good time to visit São Joaquim?

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

5.9
Sightseeing
3rd-best month of the year
4.5
Beach & pool
1st-best month of the year

December is a reasonable time to visit São Joaquim for sightseeing.

What to pack for São Joaquim in December

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

In December, São Joaquim sees daytime highs around 23°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 16 days see rain.

rain gearsun protectionlight clothes

UV index in São Joaquim in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Joaquim peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 15Jun 21UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr9Very high
May6High
Jun4Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov13Extreme
Dec13Extreme

Air quality in São Joaquim 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 São Joaquim is worst in August — around 25 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (March, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1824 µg/m³Mar 125 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar5Good
Apr6Good
May6Good
Jun6Good
Jul12Good
Aug25Moderate
Sep15Moderate
Oct8Good
Nov6Good
Dec6Good
Location & terrain

Where is São Joaquim?

São Joaquim sits at 28.3°S, 49.9°W, 1,353 m above sea level, in Brazil. The nearest listed city is Orleans, 63 km away.

Topography around São Joaquim

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

Within 3 km, the terrain around São Joaquim has only modest variations in elevation — a maximum elevation change of 249 m around an average of 1,358 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 715 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,810 m.

The land around São Joaquim is covered by grassland (66%) and trees (21%) within 3 km, grassland (57%) and trees (42%) within 16 km, and trees (54%) and grassland (38%) within 80 km.

3 km
249 m
16 km
715 m
80 km
1,810 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Orleans 63 km · Urussanga 65 km · Lages 66 km · Forquilhinha 68 km · Cocal do Sul 68 km · Criciúma 70 km · Braço do Norte 75 km · Içara 77 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 São Joaquim (-28.2939°, -49.9317°, elevation 1,353 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. 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).