Itaí weather in December

In December, Itaí sees average daytime highs of 28°C and overnight lows near 19°C, with 166 mm of rain across 17.9 wet days and about 13.4 hours of daylight. It is the 3rd-warmest and 3rd-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 17% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 24 min by month's end. Set against the rest of the year, December is Itaí's 10th-clearest and 5th-windiest month. For the whole year in context, see Itaí's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
19°
9th coldest
Rainfall
166 mm
17.9 wet days
Daylight
13 h 24 min
6:29 AM – 7:56 PM
Cloud cover
70%
10th clearest
Wind
10 km/h
5th windiest
Solar energy
5.82 kWh/m²
Travel score
4.6
out of 10

Itaí 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 Itaí reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°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 warmer than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162919
172919
182919
192919
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

Itaí weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°23421.813.34.0
Feb29° / 20°17218.912.84.1
Mar28° / 19°12516.312.25.1
Apr27° / 17°617.511.56.9
May24° / 15°687.210.97.3
Jun23° / 13°585.910.67.6
Jul23° / 13°504.910.77.8
Aug25° / 13°46511.28.0
Sep26° / 15°908.811.97.0
Oct27° / 17°11411.912.56.1
Nov28° / 18°13414.113.15.6
Dec28° / 19°16617.913.44.6

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 15% of December, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23268
33268
43268
53169
63268
73169
83169
93169
103367
113367
123367
133367
143367
153367
163466
173565
183565
193565
203565
213565
223565
233367
243268
253268
263268
272971
282971
292872
302872
312773

Chance of precipitation in December

Any precipitation

Itaí gets around 166 mm of rain over 17.9 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 58% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
252
353
453
554
655
755
856
956
1057
1157
1257
1358
1458
1559
1659
1759
1859
1959
2060
2160
2260
2360
2461
2561
2662
2762
2863
2963
3064
3164

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121632464
221531474
321530485
421430505
521329515
621329515
711228545
811227555
911227546
1011127556
1111126566
1211126566
1311126566
1411026567
1511025577
1611025568
1711025568
181925569
190925579
2008255710
2108255611
2207255711
2307255612
2406255613
2506245713
2605245714
2705245615
2804245715
2904235716
3004235617
3104235617

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 18 min at the start of December to 13 h 24 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 6:26 AM to 6:37 AM, and sunset from 7:46 PM to 8:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:267:46
213.36:267:47
313.46:267:48
413.46:267:48
513.46:267:49
613.46:277:50
713.46:277:50
813.46:277:51
913.46:277:51
1013.46:287:52
1113.46:287:53
1213.46:287:53
1313.46:287:54
1413.46:297:54
1513.46:297:55
1613.46:297:56
1713.46:307:56
1813.46:307:57
1913.46:317:57
2013.46:317:58
2113.46:327:58
2213.46:327:59
2313.46:337:59
2413.46:338:00
2513.46:348:00
2613.46:348:00
2713.46:358:01
2813.46:358:01
2913.46:368:02
3013.46:368:02
3113.46:378:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.82 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 5.82 kWh/m² in December across the year — December's 5.82 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Itaí

In seasonPeak

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

Itaí'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 Itaí?

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

4.6
Sightseeing
10th-best month of the year
5.5
Beach & pool
10th-best month of the year

December is a reasonable time to visit Itaí for sightseeing.

What to pack for Itaí in December

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

In December, Itaí sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Itaí 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 Itaí peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (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 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Itaí 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 Itaí is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (March, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1416 µg/m³Mar 158 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr9Good
May10Good
Jun10Good
Jul11Good
Aug14Moderate
Sep16Moderate
Oct13Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Itaí?

Itaí sits at 23.4°S, 49.1°W, 616 m above sea level, in Brazil. The nearest listed city is Taquarituba, 20 km away.

Topography around Itaí

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

Within 3 km, the terrain around Itaí has only modest variations in elevation — a maximum elevation change of 167 m around an average of 634 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 232 m; within 80 km, large variations in elevation — a maximum elevation change of 695 m.

The land around Itaí is covered by cropland (38%), grassland (25%) and trees (24%) within 3 km, cropland (47%) and trees (24%) within 16 km, and cropland (39%), trees (37%) and grassland (20%) within 80 km.

3 km
167 m
16 km
232 m
80 km
695 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Taquarituba 20 km · Paranapanema 38 km · Piraju 39 km · Avaré 39 km · Fartura 43 km · Cerqueira César 43 km · Itaberá 50 km · Itatinga 60 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 Itaí (-23.4178°, -49.0906°, elevation 616 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).