Aliança weather in December

In December, Aliança sees average daytime highs of 30°C and overnight lows near 23°C, with 30 mm of rain across 11.2 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 31% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Aliança's 5th-clearest and 7th-windiest month. For the whole year in context, see Aliança's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
23°
8th coldest
Rainfall
30 mm
11.2 wet days
Daylight
12 h 24 min
5:04 AM – 5:30 PM
Cloud cover
55%
5th clearest
Wind
11 km/h
7th windiest
Solar energy
5.83 kWh/m²
Travel score
4.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Aliança reaches about 30°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43122
53122
63122
73122
83122
93122
103123
113123
123123
133123
143123
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Aliança

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.

Aliança weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°541612.44.1
Feb31° / 23°6315.912.23.9
Mar31° / 23°8318.412.13.9
Apr30° / 23°9219.711.83.9
May29° / 22°9119.811.74.5
Jun27° / 21°9118.811.65.1
Jul27° / 21°791811.65.5
Aug27° / 20°4414.411.85.9
Sep28° / 21°3112.3125.9
Oct29° / 22°229.112.25.6
Nov30° / 22°228.212.35.2
Dec30° / 23°3011.212.44.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 29% of December, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26535
36535
46535
56535
66535
76535
86436
96436
106337
116337
126238
136238
146139
156040
166040
175941
185941
195941
205941
215842
225743
235842
245743
255743
265743
275743
285842
295743
305743
315743

Chance of precipitation in December

Any precipitation

Aliança gets around 30 mm of rain over 11.2 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 36% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
128
228
328
428
528
629
730
831
932
1033
1134
1235
1336
1437
1538
1638
1739
1840
1940
2041
2141
2241
2341
2441
2541
2641
2741
2841
2941
3042
3142

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
15545
25446
35347
45248
55050
64951
74753
84654
94456
104357
114159
124060
133961
143862
153763
163664
173565
183565
193466
203466
213466
223466
233367
243367
253367
263367
273367
283367
293367
303367
313268

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 12 h 24 min at the start of December to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 4:58 AM to 5:11 AM, and sunset from 5:23 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.44:585:23
212.44:595:23
312.44:595:24
412.44:595:24
512.45:005:25
612.45:005:25
712.45:005:26
812.45:015:26
912.45:015:27
1012.45:015:27
1112.45:025:28
1212.45:025:28
1312.45:035:29
1412.45:035:29
1512.45:035:30
1612.45:045:30
1712.45:045:31
1812.45:055:31
1912.45:055:32
2012.45:065:32
2112.45:065:33
2212.45:075:33
2312.45:075:34
2412.45:085:34
2512.45:085:35
2612.45:095:35
2712.45:095:35
2812.45:105:36
2912.45:105:36
3012.45:105:37
3112.45:115:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.83 kWh/m².

For context, solar energy here swings from a low near 3.97 kWh/m² to a high of 5.91 kWh/m² in November across the year — December's 5.83 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Aliança

In seasonPeak

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

Aliança's rainy season runs January–August, when most of the year's rain falls.

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

Is December a good time to visit Aliança?

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

4.7
Sightseeing
7th-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Aliança in December

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

In December, Aliança sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Aliança in December

The nearest coast averages about 28°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 67 km away) is warmest in April at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Aliança 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 Aliança peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 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 15UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Aliança?

Aliança sits at 7.6°S, 35.2°W, 115 m above sea level, in Brazil. The nearest listed city is Vicência, 12 km away.

Topography around Aliança

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

Within 3 km, the terrain around Aliança has only modest variations in elevation — a maximum elevation change of 92 m around an average of 86 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 513 m; within 80 km, large variations in elevation — a maximum elevation change of 786 m.

The land around Aliança is covered by grassland (75%) within 3 km, grassland (68%) within 16 km, and grassland (52%) within 80 km.

3 km
92 m
16 km
513 m
80 km
786 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Vicência 12 km · Condado 14 km · Timbaúba 15 km · Nazaré da Mata 15 km · Itaquitinga 16 km · Ferreiros 17 km · Macaparana 25 km · Itambé 25 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 Aliança (-7.6033°, -35.2308°, elevation 115 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).