Januária weather in December

In December, Januária sees average daytime highs of 31°C and overnight lows near 22°C, with 163 mm of rain across 15 wet days and about 12.9 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 20% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 54 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is Januária's 12th-clearest and 12th-windiest month. For the whole year in context, see Januária's year-round climate.

Daytime high
31°
9th warmest
Overnight low
22°
7th coldest
Rainfall
163 mm
15 wet days
Daylight
12 h 54 min
6:26 AM – 7:21 PM
Cloud cover
71%
12th clearest
Wind
7 km/h
12th windiest
Solar energy
5.86 kWh/m²
Travel score
4.1
out of 10

Januária 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 31°C through the month.

A typical December day in Januária reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°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
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in Januária

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.

Januária weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°12712.212.84.2
Feb31° / 22°829.412.54.3
Mar31° / 22°1081112.14.4
Apr31° / 21°34511.75.1
May30° / 20°81.811.35.8
Jun30° / 18°10.211.16.6
Jul30° / 18°0011.26.8
Aug31° / 18°10.211.55.9
Sep33° / 20°71.311.94.3
Oct34° / 22°566.512.43.5
Nov31° / 22°15814.712.73.8
Dec31° / 22°1631512.94.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32674
42674
52773
62773
72773
82773
92872
102971
112971
123070
133169
143268
153367
163466
173565
183664
193565
203664
213763
223763
233763
243763
253763
263763
273862
283862
293664
303664
313664

Chance of precipitation in December

Any precipitation

Januária gets around 163 mm of rain over 15 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
155
256
356
456
556
656
756
856
956
1055
1154
1253
1352
1451
1549
1648
1747
1846
1944
2043
2143
2242
2341
2441
2541
2641
2741
2841
2942
3042
3142

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
13224827
23214729
33204730
43194731
53184732
63184633
73174634
83174535
93174535
103174535
113174535
123174535
133174534
143184633
153194632
162194731
172204730
182214829
192214828
202224927
212234926
221235125
231245025
241245124
251245124
261245124
271245124
281235224
292235124
302235124
312225125

Wind in December

Winds average 7 km/h in December, the calmest month.

Across December, daily wind ranges from about 7 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
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 54 min at the start of December to 12 h 54 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 6:22 AM to 6:33 AM, and sunset from 7:13 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:227:13
212.96:227:13
312.96:227:14
412.96:227:14
512.96:237:15
612.96:237:16
712.96:237:16
812.96:237:17
912.96:247:17
1012.96:247:18
1112.96:247:18
1212.96:257:19
1312.96:257:19
1412.96:257:20
1512.96:267:21
1612.96:267:21
1712.96:277:22
1812.96:277:22
1912.96:277:23
2012.96:287:23
2112.96:287:24
2212.96:297:24
2312.96:297:24
2412.96:307:25
2512.96:307:25
2612.96:317:26
2712.96:317:26
2812.96:327:27
2912.96:327:27
3012.96:337:27
3112.96:337:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.86 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.4 kWh/m² in October across the year — December's 5.86 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
186.0Bright
196.0Bright
206.0Intense
216.0Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Hazard calendar for Januária

In seasonPeak

In December, Januária sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Januária's rainy season runs November–March, 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 Januária?

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

4.1
Sightseeing
10th-best month of the year
5.8
Beach & pool
11th-best month of the year

December is a reasonable time to visit Januária for sightseeing.

What to pack for Januária in December

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

In December, Januária sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Januária 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 Januária peaks around February 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 15Jul 11UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Januária?

Januária sits at 15.5°S, 44.4°W, 466 m above sea level, in Brazil. The nearest listed city is Varzelândia, 44 km away.

Topography around Januária

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

Within 3 km, the terrain around Januária has only modest variations in elevation — a maximum elevation change of 47 m around an average of 462 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 317 m; within 80 km, significant variations in elevation — a maximum elevation change of 487 m.

The land around Januária is covered by grassland (31%) and artificial surfaces (23%) within 3 km, trees (38%), grassland (32%) and shrubs (21%) within 16 km, and shrubs (41%) and trees (34%) within 80 km.

3 km
47 m
16 km
317 m
80 km
487 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Varzelândia 44 km · Itacarambi 51 km · São João da Ponte 63 km · São Francisco 75 km · Jaíba 76 km · Brasília de Minas 81 km · Barreiro do Jaíba 84 km · Manga 93 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 Januária (-15.4795°, -44.3652°, elevation 466 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).