Aldeias Altas weather in December

In December, Aldeias Altas sees average daytime highs of 34°C and overnight lows near 24°C, with 106 mm of rain across 13.1 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 33°C by the end. The sky is clear or mostly clear about 20% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Aldeias Altas's 8th-clearest and 7th-windiest month. For the whole year in context, see Aldeias Altas's year-round climate.

Daytime high
34°
5th warmest
Overnight low
24°
10th coldest
Rainfall
106 mm
13.1 wet days
Daylight
12 h 18 min
5:42 AM – 5:58 PM
Cloud cover
66%
8th clearest
Wind
7 km/h
7th windiest
Solar energy
5.52 kWh/m²
Travel score
2.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°C in the first days to 33°C by the end.

A typical December day in Aldeias Altas reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°C. Set against its neighbours, December runs about 2°C cooler than November and about 2°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13525
23525
33525
43525
53525
63525
73525
83525
93525
103525
113525
123425
133425
143425
153425
163424
173424
183424
193424
203424
213424
223424
233424
243424
253424
263324
273324
283324
293324
303324
313324

How December really feels in Aldeias Altas

Once humidity and wind are folded in, December averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Aldeias Altas weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°22124.412.22.6
Feb31° / 23°24823.812.22.6
Mar31° / 23°31128122.5
Apr31° / 23°24725.211.92.8
May32° / 23°11314.911.83.6
Jun33° / 23°214.211.74.1
Jul34° / 23°91.711.83.9
Aug35° / 23°30.711.83.1
Sep37° / 24°51.1122.2
Oct37° / 25°162.712.12.0
Nov36° / 25°487.412.22.3
Dec34° / 24°10613.112.32.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54852
64753
74753
84753
94555
104456
114357
124357
134258
144159
153961
163763
173763
183664
193466
203466
213367
223367
233268
243268
253169
263070
273070
282971
292971
302971
312872

Chance of precipitation in December

Any precipitation

Aldeias Altas gets around 106 mm of rain over 13.1 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 44% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
130
230
330
430
530
631
731
832
933
1034
1135
1237
1338
1440
1541
1643
1745
1846
1948
2049
2150
2251
2353
2454
2555
2657
2758
2860
2961
3062
3164

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1232633
2233623
3233623
4233632
5232642
6232642
7232642
8131662
9130672
10129682
11129682
12128692
13027712
14025732
15024733
16023743
17022753
18020773
19019783
20018784
21017794
22016804
23015814
24015805
25014815
26013816
27012826
28012826
29011836
30010837
31010837

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 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 5:36 AM to 5:49 AM, and sunset from 5:51 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:365:51
212.35:365:52
312.35:375:52
412.35:375:52
512.35:385:53
612.35:385:53
712.35:385:54
812.35:395:54
912.35:395:55
1012.35:395:55
1112.35:405:56
1212.35:405:56
1312.35:415:57
1412.35:415:57
1512.35:425:58
1612.35:425:58
1712.35:425:59
1812.35:435:59
1912.35:435:59
2012.35:446:00
2112.35:446:00
2212.35:456:01
2312.35:456:01
2412.35:466:02
2512.35:466:02
2612.35:476:03
2712.35:476:03
2812.35:486:04
2912.35:486:04
3012.35:496:05
3112.35:496:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.52 kWh/m².

For context, solar energy here swings from a low near 4.49 kWh/m² to a high of 6.48 kWh/m² in October across the year — December's 5.52 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for Aldeias Altas

In seasonPeak

None of Aldeias Altas's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Aldeias Altas's monsoon runs January–April, 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 Aldeias Altas?

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

2.6
Sightseeing
6th-best month of the year
5.2
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Aldeias Altas.

What to pack for Aldeias Altas in December

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

In December, Aldeias Altas sees daytime highs around 34°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Aldeias Altas in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aldeias Altas peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Aldeias Altas 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 Aldeias Altas is worst in October — around 33 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (May, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1532 µg/m³May 1512 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun13Moderate
Jul27Moderate
Aug28Moderate
Sep29Moderate
Oct33Moderate
Nov28Moderate
Dec20Moderate
Location & terrain

Where is Aldeias Altas?

Aldeias Altas sits at 4.6°S, 43.5°W, 73 m above sea level, in Brazil. The nearest listed city is Caxias, 29 km away.

Topography around Aldeias Altas

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

Within 3 km, the terrain around Aldeias Altas has only modest variations in elevation — a maximum elevation change of 62 m around an average of 82 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 101 m; within 80 km, only modest variations in elevation — a maximum elevation change of 234 m.

The land around Aldeias Altas is covered by trees (37%) and shrubs (36%) within 3 km, trees (59%) and shrubs (23%) within 16 km, and trees (74%) within 80 km.

3 km
62 m
16 km
101 m
80 km
234 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Caxias 29 km · Codó 50 km · Coelho Neto 65 km · São João do Soter 66 km · Timbiras 67 km · União 67 km · Miguel Alves 82 km · Timon 87 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 Aldeias Altas (-4.6278°, -43.4706°, elevation 73 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).