Pereira Barreto weather in December

In December, Pereira Barreto sees average daytime highs of 31°C and overnight lows near 23°C, with 199 mm of rain across 21.1 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 2nd-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 19% of the time in December, and the air most often feels oppressive.

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

Daytime high
31°
4th warmest
Overnight low
23°
10th coldest
Rainfall
199 mm
21.1 wet days
Daylight
13 h 12 min
6:43 AM – 7:58 PM
Cloud cover
69%
11th clearest
Wind
8 km/h
8th windiest
Solar energy
6.09 kWh/m²
Travel score
3.3
out of 10

Pereira Barreto 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 31°C through the month.

A typical December day in Pereira Barreto reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Pereira Barreto

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.

Pereira Barreto weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°24822.413.13.2
Feb31° / 23°18419.412.73.3
Mar31° / 23°15618.512.13.8
Apr30° / 21°627.911.55.3
May28° / 18°475.5117.0
Jun27° / 17°263.310.87.8
Jul28° / 17°152.310.97.6
Aug30° / 18°192.811.36.0
Sep32° / 20°586.911.94.6
Oct32° / 22°10312.112.53.8
Nov32° / 22°14715.7133.6
Dec31° / 23°19921.113.23.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33367
43268
53169
63169
73169
83070
93169
103268
113268
123367
133466
143466
153664
163664
173862
183862
193961
203961
213961
224060
233961
243961
253862
263664
273664
283565
293565
303466
313466

Chance of precipitation in December

Any precipitation

Pereira Barreto gets around 199 mm of rain over 21.1 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 68% and peaks near 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
163
265
366
467
568
669
769
869
969
1069
1169
1268
1368
1468
1567
1667
1766
1866
1966
2066
2166
2266
2367
2467
2568
2669
2769
2870
2970
3071
3171

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12927620
22826640
32725660
42624680
52623690
62522710
71521730
81520740
91520740
101520740
111420750
121420750
130421750
140421750
150421750
160421750
170422740
180322750
190322750
200322750
210221770
220221770
230221770
240220771
250119791
260119791
270118801
280117811
290116821
300116812
310115822

Wind in December

Winds average 8 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
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 12 min at the start of December to 13 h 12 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 7:49 PM to 8:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:397:49
213.26:397:50
313.26:407:50
413.26:407:51
513.26:407:52
613.26:407:52
713.26:407:53
813.26:417:53
913.26:417:54
1013.26:417:55
1113.26:417:55
1213.26:427:56
1313.26:427:56
1413.26:427:57
1513.26:437:57
1613.26:437:58
1713.26:447:58
1813.26:447:59
1913.36:448:00
2013.36:458:00
2113.36:458:01
2213.36:468:01
2313.36:468:01
2413.36:478:02
2513.36:478:02
2613.26:488:03
2713.26:488:03
2813.26:498:04
2913.26:498:04
3013.26:508:04
3113.26:518:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.09 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 6.24 kWh/m² in November across the year — December's 6.09 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Intense
306.0Bright
316.0Bright
Planning a trip in December

Hazard calendar for Pereira Barreto

In seasonPeak

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

Pereira Barreto'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 Pereira Barreto?

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

3.3
Sightseeing
10th-best month of the year
4.9
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Pereira Barreto.

What to pack for Pereira Barreto in December

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

In December, Pereira Barreto sees daytime highs around 31°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Pereira Barreto 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 Pereira Barreto peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jun 23UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec13Extreme

Air quality in Pereira Barreto 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 Pereira Barreto is worst in September — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1719 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr7Good
May8Good
Jun7Good
Jul7Good
Aug11Good
Sep20Moderate
Oct13Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Pereira Barreto?

Pereira Barreto sits at 20.6°S, 51.1°W, 361 m above sea level, in Brazil. The nearest listed city is Ilha Solteira, 33 km away.

Topography around Pereira Barreto

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

Within 3 km, the terrain around Pereira Barreto has only modest variations in elevation — a maximum elevation change of 53 m around an average of 342 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, significant variations in elevation — a maximum elevation change of 289 m.

The land around Pereira Barreto is covered by grassland (29%) and water (25%) within 3 km, cropland (39%), grassland (29%) and water (25%) within 16 km, and cropland (40%) and grassland (34%) within 80 km.

3 km
53 m
16 km
110 m
80 km
289 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Ilha Solteira 33 km · Andradina 40 km · Castilho 47 km · Santa Fé do Sul 51 km · Mirandópolis 55 km · Aparecida do Taboado 61 km · Três Lagoas 64 km · Valparaíso 70 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 Pereira Barreto (-20.6383°, -51.1092°, elevation 361 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).