Pirajuí weather in December

In December, Pirajuí sees average daytime highs of 30°C and overnight lows near 21°C, with 195 mm of rain across 19.6 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Pirajuí's 11th-clearest and 8th-windiest month. For the whole year in context, see Pirajuí's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
21°
10th coldest
Rainfall
195 mm
19.6 wet days
Daylight
13 h 18 min
6:34 AM – 7:54 PM
Cloud cover
70%
11th clearest
Wind
9 km/h
8th windiest
Solar energy
5.91 kWh/m²
Travel score
3.8
out of 10

Pirajuí 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 30°C through the month.

A typical December day in Pirajuí reaches about 30°C in the afternoon and slips back to 21°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 33°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How December really feels in Pirajuí

Once humidity and wind are folded in, December averages 16 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
16
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.

Pirajuí weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°25022.213.23.6
Feb30° / 21°17618.612.83.7
Mar30° / 21°13917.112.24.3
Apr29° / 19°617.611.56.0
May26° / 16°565.7117.5
Jun26° / 15°37410.78.0
Jul26° / 14°233.210.88.2
Aug28° / 16°303.611.27.4
Sep30° / 18°617.411.95.7
Oct30° / 19°11312.512.54.6
Nov30° / 20°14715.113.14.2
Dec30° / 21°19519.613.33.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33367
43367
53169
63169
73169
83169
93169
103169
113169
123268
133367
143466
153466
163367
173565
183565
193565
203565
213565
223565
233565
243466
253466
263268
273268
283169
293070
303070
312971

Chance of precipitation in December

Any precipitation

Pirajuí gets around 195 mm of rain over 19.6 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 64% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
157
258
359
460
561
662
762
863
963
1064
1164
1264
1364
1464
1564
1664
1764
1864
1964
2064
2164
2264
2364
2465
2565
2666
2766
2867
2967
3068
3168

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
118214722
217214724
317204726
416194727
516194629
615184630
715184631
815174532
915174533
1004174533
1104174534
1204164634
1304164634
1403164634
1503164734
1603154734
1703154834
1803154834
1903144934
2002144935
2102144935
2202134936
2302134937
2401124938
2501124839
2601114840
2701114741
2801114742
2900114643
3000104644
3100104544

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 12 min at the start of December to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:30 AM to 6:41 AM, and sunset from 7:45 PM to 8:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:307:45
213.36:307:46
313.36:307:46
413.36:317:47
513.36:317:48
613.36:317:48
713.36:317:49
813.36:317:49
913.36:327:50
1013.36:327:51
1113.36:327:51
1213.36:327:52
1313.36:337:52
1413.36:337:53
1513.36:347:54
1613.36:347:54
1713.36:347:55
1813.36:357:55
1913.36:357:56
2013.36:367:56
2113.36:367:57
2213.36:367:57
2313.36:377:58
2413.36:377:58
2513.36:387:59
2613.36:387:59
2713.36:397:59
2813.36:408:00
2913.36:408:00
3013.36:418:00
3113.36:418:01

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.91 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6.08 kWh/m² in November across the year — December's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Pirajuí

In seasonPeak

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

Pirajuí's rainy season runs October–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 Pirajuí?

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

3.8
Sightseeing
10th-best month of the year
5.2
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Pirajuí.

What to pack for Pirajuí in December

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

In December, Pirajuí sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Pirajuí 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 Pirajuí peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Pirajuí 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 Pirajuí is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1422 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May11Good
Jun11Good
Jul11Good
Aug18Moderate
Sep22Moderate
Oct15Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Pirajuí?

Pirajuí sits at 22.0°S, 49.5°W, 499 m above sea level, in Brazil. The nearest listed city is Cafelândia, 27 km away.

Topography around Pirajuí

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

Within 3 km, the terrain around Pirajuí has only modest variations in elevation — a maximum elevation change of 117 m around an average of 506 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 213 m; within 80 km, significant variations in elevation — a maximum elevation change of 362 m.

The land around Pirajuí is covered by trees (33%), grassland (30%) and cropland (21%) within 3 km, cropland (43%), trees (31%) and grassland (26%) within 16 km, and cropland (49%) and trees (29%) within 80 km.

3 km
117 m
16 km
213 m
80 km
362 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Cafelândia 27 km · Garça 31 km · Lins 46 km · Bauru 54 km · Marília 56 km · Piratininga 57 km · Novo Horizonte 64 km · Promissão 66 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 Pirajuí (-21.9986°, -49.4572°, elevation 499 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).