Pirenópolis weather in December

In December, Pirenópolis sees average daytime highs of 28°C and overnight lows near 20°C, with 280 mm of rain across 24.7 wet days and about 12.9 hours of daylight. It is the 12th-warmest and 1st-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 12 h 54 min by month's end. Set against the rest of the year, December is Pirenópolis's 12th-clearest and 9th-windiest month. For the whole year in context, see Pirenópolis's year-round climate.

Daytime high
28°
12th warmest
Overnight low
20°
10th coldest
Rainfall
280 mm
24.7 wet days
Daylight
12 h 54 min
6:44 AM – 7:40 PM
Cloud cover
81%
12th clearest
Wind
6 km/h
9th windiest
Solar energy
5.31 kWh/m²
Travel score
4.1
out of 10

Pirenópolis 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 Pirenópolis 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 24°C and 31°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)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

How December really feels in Pirenópolis

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.

Pirenópolis weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°27424.312.84.1
Feb28° / 20°20321.212.53.9
Mar28° / 20°21523.312.14.0
Apr29° / 19°8913.411.75.1
May29° / 18°162.811.36.7
Jun28° / 16°40.811.17.4
Jul29° / 16°10.111.27.4
Aug31° / 17°50.911.56.0
Sep32° / 20°275.411.94.5
Oct31° / 20°11916.112.43.8
Nov29° / 20°22423.212.73.8
Dec28° / 20°28024.712.94.1

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 (%)
11585
21486
31486
41387
51387
61387
71387
81387
91387
101387
111387
121486
131585
141585
151684
161783
171882
181882
192080
202080
212080
222080
232179
242179
252179
262179
272179
282179
292179
302179
312080

Chance of precipitation in December

Any precipitation

Pirenópolis gets around 280 mm of rain over 24.7 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 80% and peaks near 83% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
182
282
382
483
583
683
783
883
983
1083
1182
1282
1382
1481
1580
1680
1779
1878
1978
2077
2177
2276
2376
2476
2576
2676
2777
2877
2977
3078
3178

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1114841
2113851
3113851
4113851
5112861
6113851
7113851
8113851
9113851
10114841
11114841
12115831
13115831
14115840
15116830
16116830
17117820
18117820
19117820
20117820
21217810
22217810
23217810
24217810
25217810
26216820
27216820
28216820
29215830
30215830
31215821

Wind in December

Winds average 6 km/h in December.

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

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:39 AM to 6:51 AM, and sunset from 7:32 PM to 7:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:397:32
212.96:407:32
312.96:407:33
412.96:407:34
512.96:407:34
612.96:407:35
712.96:417:35
812.96:417:36
912.96:417:36
1012.96:427:37
1112.96:427:37
1212.96:427:38
1312.96:437:39
1412.96:437:39
1512.96:437:40
1612.96:447:40
1712.96:447:41
1812.96:457:41
1912.96:457:42
2012.96:467:42
2112.96:467:43
2212.96:477:43
2312.96:477:44
2412.96:477:44
2512.96:487:44
2612.96:487:45
2712.96:497:45
2812.96:507:46
2912.96:507:46
3012.96:517:47
3112.96:517:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.31 kWh/m².

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 6.06 kWh/m² in October across the year — December's 5.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.3Bright
Planning a trip in December

Hazard calendar for Pirenópolis

In seasonPeak

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

Pirenópolis's monsoon runs November–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 Pirenópolis?

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

4.1
Sightseeing
7th-best month of the year
4.4
Beach & pool
12th-best month of the year

December is a reasonable time to visit Pirenópolis for sightseeing.

What to pack for Pirenópolis in December

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

In December, Pirenópolis 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 Pirenópolis 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 Pirenópolis peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 12UV 15Jun 22UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep13Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Pirenópolis 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 Pirenópolis is worst in September — around 24 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1823 µg/m³Jan 159 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr11Good
May11Good
Jun10Good
Jul9Good
Aug12Good
Sep24Moderate
Oct17Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Pirenópolis?

Pirenópolis sits at 15.9°S, 49.0°W, 751 m above sea level, in Brazil. The nearest listed city is Cocalzinho de Goiás, 21 km away.

Topography around Pirenópolis

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

Within 3 km, the terrain around Pirenópolis has significant variations in elevation — a maximum elevation change of 326 m around an average of 820 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 694 m; within 80 km, large variations in elevation — a maximum elevation change of 807 m.

The land around Pirenópolis is covered by trees (56%) and grassland (28%) within 3 km, trees (49%) and grassland (32%) within 16 km, and grassland (39%), trees (30%) and cropland (24%) within 80 km.

3 km
326 m
16 km
694 m
80 km
807 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Cocalzinho de Goiás 21 km · Jaraguá 41 km · Anápolis 53 km · Alexânia 55 km · Goianésia 62 km · Nerópolis 68 km · Águas Lindas de Goiás 73 km · Santo Antônio do Descoberto 76 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 Pirenópolis (-15.8507°, -48.9609°, elevation 751 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).