Pirenópolis weather in January

In January, Pirenópolis sees average daytime highs of 28°C and overnight lows near 20°C, with 274 mm of rain across 24.3 wet days and about 12.8 hours of daylight. It is the 11th-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 10% of the time in January, and the air most often feels muggy.

Daylight stretches from about 12 h 54 min at the start of January to 12 h 42 min by month's end. Set against the rest of the year, January is Pirenópolis's 11th-clearest and 8th-windiest month. For the whole year in context, see Pirenópolis's year-round climate.

Daytime high
28°
11th warmest
Overnight low
20°
8th coldest
Rainfall
274 mm
24.3 wet days
Daylight
12 h 48 min
7:00 AM – 7:51 PM
Cloud cover
79%
11th clearest
Wind
6 km/h
8th windiest
Solar energy
5.33 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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January 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, January runs on par with December and on par with February.

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 January really feels in Pirenópolis

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 11th-warmest and 2nd-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21882
31882
41882
51981
61981
71981
82080
92080
102080
112080
122179
132179
142179
152278
162278
172278
182278
192278
202377
212278
222278
232278
242278
252278
262278
272377
282377
292377
302377
312377

Chance of precipitation in January

Any precipitation

Pirenópolis gets around 274 mm of rain over 24.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 78% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
179
279
379
479
579
679
779
879
979
1078
1178
1278
1378
1478
1578
1678
1778
1878
1978
2079
2179
2279
2379
2478
2578
2678
2778
2877
2977
3077
3176

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the muggy band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 82% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1215821
2215821
3215821
4215821
5215821
6216811
7216811
8216811
9217801
10217801
11217801
12218791
13218791
14218791
15218791
16218791
17218791
18218791
19217801
20217801
21217801
22216811
23216820
24216820
25215830
26215830
27215830
28215830
29214840
30214840
31214840

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
77calm
87calm
97calm
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 January

DaylightNight

Daylight runs from about 12 h 54 min at the start of January to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 6:51 AM to 7:08 AM, and sunset from 7:47 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:517:47
212.96:527:47
312.96:527:48
412.96:537:48
512.96:537:48
612.96:547:48
712.96:557:49
812.96:557:49
912.96:567:49
1012.96:567:49
1112.96:577:50
1212.96:577:50
1312.96:587:50
1412.96:597:50
1512.96:597:50
1612.87:007:51
1712.87:007:51
1812.87:017:51
1912.87:017:51
2012.87:027:51
2112.87:037:51
2212.87:037:51
2312.87:047:51
2412.87:047:51
2512.87:057:51
2612.87:057:51
2712.87:067:51
2812.77:067:51
2912.77:077:51
3012.77:077:51
3112.77:087:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.33 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 — January's 5.33 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
165.3Bright
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
305.5Bright
315.5Bright
Planning a trip in January

Hazard calendar for Pirenópolis

In seasonPeak

In January, 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 January a good time to visit Pirenópolis?

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

4.1
Sightseeing
7th-best month of the year
4.5
Beach & pool
11th-best month of the year

January is a reasonable time to visit Pirenópolis for sightseeing.

What to pack for Pirenópolis in January

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

In January, Pirenópolis sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Pirenópolis in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).