Poços de Caldas weather in December

In December, Poços de Caldas sees average daytime highs of 25°C and overnight lows near 18°C, with 308 mm of rain across 25.2 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Poços de Caldas's 11th-clearest and 6th-windiest month. For the whole year in context, see Poços de Caldas's year-round climate.

Daytime high
25°
5th warmest
Overnight low
18°
10th coldest
Rainfall
308 mm
25.2 wet days
Daylight
13 h 18 min
6:23 AM – 7:42 PM
Cloud cover
77%
11th clearest
Wind
8 km/h
6th windiest
Solar energy
5.64 kWh/m²
Travel score
4.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical December day in Poços de Caldas reaches about 25°C in the afternoon and slips back to 18°C overnight — a 8°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 on par with November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52517
62517
72517
82517
92517
102517
112518
122518
132518
142518
152518
162518
172518
182518
192518
202518
212518
222618
232618
242618
252618
262518
272518
282518
292518
302518
312518

Poços de Caldas weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°33825.113.24.3
Feb26° / 18°24820.712.74.6
Mar26° / 17°21621.412.25.0
Apr25° / 15°8811.211.56.8
May22° / 13°627.1117.2
Jun21° / 12°314.210.77.7
Jul22° / 11°263.310.88.0
Aug24° / 12°294.211.38.3
Sep25° / 14°929.511.97.1
Oct26° / 16°14916.212.55.7
Nov25° / 17°23720.9134.9
Dec25° / 18°30825.213.34.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% 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 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22575
32575
42476
52377
62377
72377
82476
92476
102476
112476
122476
132476
142377
152377
162476
172476
182476
192476
202476
212476
222476
232377
242278
252278
262179
272080
281981
291981
301882
311882

Chance of precipitation in December

Any precipitation

Poços de Caldas gets around 308 mm of rain over 25.2 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 81% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
175
276
377
477
578
678
779
879
980
1080
1181
1281
1381
1482
1582
1682
1782
1882
1982
2082
2182
2283
2383
2483
2583
2683
2783
2884
2984
3083
3183

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12185624
22175526
32165527
42155429
52145430
61135531
71125532
81125532
91115533
101115533
111105633
121105633
13095833
14095833
15095833
16095932
17095932
18095932
19086032
20086032
21086032
22086032
23076132
24076033
25076033
26075934
27065935
28065935
29065836
30065737
31065737

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 12 min at the start of December to 13 h 18 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 7:33 PM to 7:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:197:33
213.26:197:34
313.36:197:34
413.36:197:35
513.36:207:36
613.36:207:36
713.36:207:37
813.36:207:37
913.36:207:38
1013.36:217:39
1113.36:217:39
1213.36:217:40
1313.36:227:40
1413.36:227:41
1513.36:227:42
1613.36:237:42
1713.36:237:43
1813.36:247:43
1913.36:247:44
2013.36:247:44
2113.36:257:45
2213.36:257:45
2313.36:267:46
2413.36:267:46
2513.36:277:46
2613.36:277:47
2713.36:287:47
2813.36:287:48
2913.36:297:48
3013.36:297:48
3113.36:307:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.64 kWh/m².

For context, solar energy here swings from a low near 3.81 kWh/m² to a high of 5.78 kWh/m² in October across the year — December's 5.64 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Poços de Caldas

In seasonPeak

In December, Poços de Caldas sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Poços de Caldas's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Poços de Caldas?

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

4.3
Sightseeing
11th-best month of the year
4.0
Beach & pool
12th-best month of the year

December is a reasonable time to visit Poços de Caldas for sightseeing.

What to pack for Poços de Caldas in December

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

In December, Poços de Caldas sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.

rain gearlight clothessun protection

UV index in Poços de Caldas in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Poços de Caldas peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jun 23UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep9Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Poços de Caldas 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 Poços de Caldas is worst in September — around 24 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1522 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May11Good
Jun11Good
Jul11Good
Aug15Moderate
Sep24Moderate
Oct13Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Poços de Caldas?

Poços de Caldas sits at 21.8°S, 46.6°W, 1,222 m above sea level, in Brazil. The nearest listed city is Caconde, 30 km away.

Topography around Poços de Caldas

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

Within 3 km, the terrain around Poços de Caldas has significant variations in elevation — a maximum elevation change of 454 m around an average of 1,331 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 784 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,254 m.

The land around Poços de Caldas is covered by trees (42%) and artificial surfaces (41%) within 3 km, trees (50%) and grassland (37%) within 16 km, and trees (38%), grassland (38%) and cropland (22%) within 80 km.

3 km
454 m
16 km
784 m
80 km
1,254 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Caconde 30 km · Andradas 31 km · São João da Boa Vista 32 km · Campestre 34 km · Vargem Grande do Sul 35 km · São José do Rio Pardo 40 km · Muzambinho 46 km · Espírito Santo do Pinhal 49 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 Poços de Caldas (-21.7878°, -46.5614°, elevation 1,222 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).