Itaqui weather in December

In December, Itaqui sees average daytime highs of 31°C and overnight lows near 20°C, with 149 mm of rain across 10 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 44% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 42 min at the start of December to 13 h 48 min by month's end. Set against the rest of the year, December is Itaqui's 6th-clearest and 7th-windiest month. For the whole year in context, see Itaqui's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
20°
10th coldest
Rainfall
149 mm
10 wet days
Daylight
13 h 54 min
6:47 AM – 8:38 PM
Cloud cover
50%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
6.93 kWh/m²
Travel score
4.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical December day in Itaqui reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73119
83119
93120
103120
113120
123120
133120
143120
153120
163120
173120
183120
193120
203120
213121
223121
233121
243221
253221
263221
273221
283221
293221
303221
313221

How December really feels in Itaqui

Once humidity and wind are folded in, December averages 14 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
14
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.

Itaqui weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°14611.513.74.1
Feb31° / 21°12910.3134.5
Mar30° / 20°1301012.25.4
Apr26° / 17°1729.511.36.8
May22° / 13°1218.210.67.0
Jun20° / 11°1219.110.26.4
Jul20° / 10°1158.310.36.6
Aug22° / 12°1038.5117.1
Sep24° / 13°1499.911.87.0
Oct26° / 16°21311.212.76.5
Nov29° / 18°1468.813.56.0
Dec31° / 20°1491013.84.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55941
65941
75941
85941
95941
105941
115842
125842
135842
145842
155842
165842
175842
185842
195842
205743
215743
225743
235743
245743
255743
265743
275743
285842
295842
305941
315941

Chance of precipitation in December

Any precipitation

Itaqui gets around 149 mm of rain over 10 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 32% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
130
230
330
430
530
630
730
830
930
1030
1130
1230
1331
1431
1532
1632
1733
1833
1934
2034
2134
2235
2335
2435
2535
2635
2735
2834
2934
3034
3134

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11323282790
21222292790
312222927100
412212928100
512212828100
612202828110
712202828110
812202729120
912192729130
1011192729130
1111192629140
1210192630150
1310192630160
149192530170
158182531171
168182431181
177172431191
187172331201
196172331212
206162231222
215162230243
225162130253
235162129263
244152029274
254152028284
264142028295
274142027305
284142026306
294142026316
303132026326
313132025326

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 42 min at the start of December to 13 h 48 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 6:44 AM to 6:54 AM, and sunset from 8:28 PM to 8:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.76:448:28
213.76:448:29
313.86:448:29
413.86:448:30
513.86:448:31
613.86:448:31
713.86:458:32
813.86:458:33
913.86:458:34
1013.86:458:34
1113.86:458:35
1213.86:468:36
1313.86:468:36
1413.86:468:37
1513.86:468:37
1613.96:478:38
1713.96:478:39
1813.96:488:39
1913.96:488:40
2013.96:488:40
2113.96:498:41
2213.96:498:41
2313.96:508:42
2413.96:508:42
2513.96:518:42
2613.96:518:43
2713.96:528:43
2813.96:528:44
2913.86:538:44
3013.86:548:44
3113.86:548:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.93 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.5 kWh/m² to a high of 6.93 kWh/m² in December across the year — December's 6.93 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
186.9Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in December

Is December a good time to visit Itaqui?

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
6.8
Beach & pool
3rd-best month of the year

December is a reasonable time to visit Itaqui for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Itaqui in December

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

In December, Itaqui sees daytime highs around 31°C and nights near 20°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Itaqui in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Itaqui peaks around January 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighHighExtremeJan 21UV 13Jun 19UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct4Moderate
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Itaqui?

Itaqui sits at 29.1°S, 56.6°W, 61 m above sea level, in Brazil. The nearest listed city is São Borja, 74 km away.

Topography around Itaqui

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

Within 3 km, the terrain around Itaqui has only modest variations in elevation — a maximum elevation change of 48 m around an average of 55 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 68 m; within 80 km, only modest variations in elevation — a maximum elevation change of 155 m.

The land around Itaqui is covered by wetland (23%), artificial surfaces (22%) and trees (20%) within 3 km, grassland (31%), wetland (26%) and cropland (23%) within 16 km, and grassland (48%), cropland (21%) and wetland (20%) within 80 km.

3 km
48 m
16 km
68 m
80 km
155 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: São Borja 74 km · Santo Tomé 81 km · Paso de los Libres 83 km · Uruguaiana 87 km · Alegrete 104 km · Gobernador Virasora 130 km · Quaraí 141 km · Artigas 142 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 Itaqui (-29.1253°, -56.5531°, elevation 61 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).