Goianira weather in December

In December, Goianira sees average daytime highs of 28°C and overnight lows near 20°C, with 226 mm of rain across 24.6 wet days and about 13 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 8% 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 13 hours by month's end. Set against the rest of the year, December is Goianira's 12th-clearest and 8th-windiest month. For the whole year in context, see Goianira's year-round climate.

Daytime high
28°
12th warmest
Overnight low
20°
11th coldest
Rainfall
226 mm
24.6 wet days
Daylight
13 hours
6:45 AM – 7:43 PM
Cloud cover
80%
12th clearest
Wind
7 km/h
8th windiest
Solar energy
5.4 kWh/m²
Travel score
3.7
out of 10

Goianira 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 28°C through the month.

A typical December day in Goianira reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22920
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282820
292820
302820
312820

How December really feels in Goianira

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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Goianira weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°22923.112.93.9
Feb29° / 20°18120.612.63.8
Mar29° / 20°18421.612.14.0
Apr29° / 19°7911.911.65.2
May29° / 18°152.711.26.7
Jun29° / 16°50.9117.3
Jul29° / 16°10.311.17.2
Aug31° / 18°60.911.45.9
Sep32° / 20°305.411.94.4
Oct32° / 21°10815.712.43.7
Nov29° / 20°19322.112.83.7
Dec28° / 20°22624.6133.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31783
41684
51585
61585
71585
81585
91585
101486
111486
121585
131585
141684
151783
161783
171882
181882
191882
201882
211981
221981
231981
241981
251981
261981
271981
281981
291882
301882
311882

Chance of precipitation in December

Any precipitation

Goianira gets around 226 mm of rain over 24.6 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 79% and peaks near 83% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
180
281
381
482
582
683
783
882
982
1082
1181
1281
1381
1480
1580
1679
1779
1878
1978
2077
2177
2276
2376
2476
2576
2676
2776
2876
2976
3076
3176

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1110863
219873
318883
418874
517884
617884
707894
807894
907894
1008884
1108884
1208884
1308884
1408884
1509883
1609883
1709883
1809883
1909892
2009892
21010882
22110872
23110872
24110872
2519882
2619882
2719882
2819873
2919873
3019873
3119873

Wind in December

Winds average 7 km/h in December.

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 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:40 AM to 6:52 AM, and sunset from 7:35 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:407:35
212.96:407:35
312.96:407:36
412.96:417:37
512.96:417:37
612.96:417:38
712.96:417:38
813.06:427:39
913.06:427:39
1013.06:427:40
1113.06:437:41
1213.06:437:41
1313.06:437:42
1413.06:447:42
1513.06:447:43
1613.06:457:43
1713.06:457:44
1813.06:457:44
1913.06:467:45
2013.06:467:45
2113.06:477:46
2213.06:477:46
2313.06:487:47
2413.06:487:47
2513.06:497:48
2613.06:497:48
2713.06:507:48
2813.06:507:49
2913.06:517:49
3013.06:517:50
3113.06:527:50

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.4 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.07 kWh/m² in October across the year — December's 5.4 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Goianira

In seasonPeak

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

Goianira's monsoon runs October–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 Goianira?

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

3.7
Sightseeing
10th-best month of the year
4.5
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Goianira.

What to pack for Goianira in December

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

In December, Goianira sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Goianira 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 Goianira peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 9UV 15Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Goianira 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 Goianira is worst in September — around 25 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (July, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodSep 1723 µg/m³Jul 1111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar13Moderate
Apr12Moderate
May12Moderate
Jun11Good
Jul11Good
Aug14Moderate
Sep25Moderate
Oct16Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Goianira?

Goianira sits at 16.5°S, 49.4°W, 760 m above sea level, in Brazil. The nearest listed city is Inhumas, 17 km away.

Topography around Goianira

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

Within 3 km, the terrain around Goianira has only modest variations in elevation — a maximum elevation change of 125 m around an average of 771 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 329 m; within 80 km, large variations in elevation — a maximum elevation change of 626 m.

The land around Goianira is covered by cropland (38%) and artificial surfaces (23%) within 3 km, cropland (41%), grassland (26%) and trees (25%) within 16 km, and cropland (38%), grassland (33%) and trees (26%) within 80 km.

3 km
125 m
16 km
329 m
80 km
626 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Inhumas 17 km · Trindade 18 km · Nerópolis 24 km · Goiânia 27 km · Abadia de Goiás 29 km · Guapó 39 km · Aparecida de Goiânia 41 km · Senador Canedo 43 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 Goianira (-16.4961°, -49.4264°, elevation 760 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).