Araruna weather in December

In December, Araruna sees average daytime highs of 31°C and overnight lows near 22°C, with 17 mm of rain across 6.1 wet days and about 12.4 hours of daylight. It is the 1st-warmest and 8th-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 34% of the time in December, and the air most often feels muggy.

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 Araruna's 5th-clearest and 7th-windiest month. For the whole year in context, see Araruna's year-round climate.

Daytime high
31°
1st warmest
Overnight low
22°
8th coldest
Rainfall
17 mm
6.1 wet days
Daylight
12 h 24 min
5:08 AM – 5:30 PM
Cloud cover
53%
5th clearest
Wind
14 km/h
7th windiest
Solar energy
6.1 kWh/m²
Travel score
4.9
out of 10

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 Araruna 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 30°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)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in Araruna

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.

Araruna weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°4310.912.34.4
Feb31° / 23°5311.812.24.2
Mar31° / 23°7415.3124.1
Apr30° / 22°7714.611.94.4
May29° / 22°5211.611.75.2
Jun28° / 21°429.211.66.3
Jul28° / 20°347.611.76.8
Aug28° / 20°15411.86.8
Sep29° / 21°82.6126.3
Oct31° / 21°72.212.15.7
Nov31° / 22°82.812.35.4
Dec31° / 22°176.112.44.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26535
36535
46535
56535
66634
76535
86535
96436
106337
116436
126337
136337
146337
156337
166238
176337
186238
196238
206238
216139
226139
236139
246139
256139
266139
276040
286040
295941
305941
315941

Chance of precipitation in December

Any precipitation

Araruna gets around 17 mm of rain over 6.1 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 20% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
113
213
314
414
515
615
716
817
918
1018
1119
1219
1320
1420
1520
1621
1721
1821
1921
2022
2122
2222
2322
2422
2523
2623
2723
2823
2924
3024
3125

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
12917
22917
32908
42899
528810
628810
718811
818712
918712
1018613
1118514
1218514
1318415
1418415
1518316
1618316
1718217
1818118
1928018
2027919
2127820
2227721
2327721
2437522
2537423
2637324
2737225
2837225
2937126
3037027
3127127

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

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 5:02 AM to 5:15 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)
112.45:025:23
212.45:025:24
312.45:035:24
412.45:035:25
512.45:035:25
612.45:045:26
712.45:045:26
812.45:045:27
912.45:055:27
1012.45:055:28
1112.45:065:28
1212.45:065:29
1312.45:065:29
1412.45:075:30
1512.45:075:30
1612.45:085:30
1712.45:085:31
1812.45:095:31
1912.45:095:32
2012.45:105:32
2112.45:105:33
2212.45:115:33
2312.45:115:34
2412.45:115:34
2512.45:125:35
2612.45:125:35
2712.45:135:36
2812.45:135:36
2912.45:145:37
3012.45:145:37
3112.45:155:37

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.

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 6.28 kWh/m² in November across the year — December's 6.1 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Intense
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 Araruna?

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

4.9
Sightseeing
8th-best month of the year
7.3
Beach & pool
5th-best month of the year

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

What to pack for Araruna in December

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

In December, Araruna sees daytime highs around 31°C and nights near 22°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Araruna 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 Araruna 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
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Araruna?

Araruna sits at 6.6°S, 35.7°W, 496 m above sea level, in Brazil. The nearest listed city is Cacimba de Dentro, 11 km away.

Topography around Araruna

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

Within 3 km, the terrain around Araruna has only modest variations in elevation — a maximum elevation change of 209 m around an average of 509 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 476 m; within 80 km, large variations in elevation — a maximum elevation change of 744 m.

The land around Araruna is covered by grassland (69%) within 3 km, grassland (55%) and shrubs (37%) within 16 km, and grassland (51%) and shrubs (37%) within 80 km.

3 km
209 m
16 km
476 m
80 km
744 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Cacimba de Dentro 11 km · Solânea 23 km · Bananeiras 24 km · Belém 27 km · Nova Cruz 35 km · Santo Antônio 40 km · Guarabira 43 km · Areia 45 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 Araruna (-6.5583°, -35.7417°, elevation 496 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).