Irará weather in December

In December, Irará sees average daytime highs of 32°C and overnight lows near 22°C, with 40 mm of rain across 7.5 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 22% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 42 min at the start of December to 12 h 42 min by month's end. Set against the rest of the year, December is Irará's 11th-clearest and 5th-windiest month. For the whole year in context, see Irará's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
22°
9th coldest
Rainfall
40 mm
7.5 wet days
Daylight
12 h 42 min
5:10 AM – 5:52 PM
Cloud cover
62%
11th clearest
Wind
12 km/h
5th windiest
Solar energy
6.01 kWh/m²
Travel score
4.0
out of 10

Irará 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 32°C through the month.

A typical December day in Irará reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°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)
13222
23222
33222
43222
53222
63222
73222
83222
93222
103222
113222
123222
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293222
303222
313222

How December really feels in Irará

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.

Irará weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°539.412.63.8
Feb32° / 23°4310.312.43.6
Mar32° / 23°5512.612.13.7
Apr31° / 22°5915.711.74.0
May28° / 21°6516.811.54.9
Jun27° / 20°5518.111.35.3
Jul26° / 19°4415.911.45.7
Aug27° / 19°3714.911.65.8
Sep29° / 20°291011.95.6
Oct31° / 21°307.212.34.9
Nov32° / 22°468.212.64.3
Dec32° / 22°407.512.74.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 26% of December, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24654
34654
44654
54753
64852
74951
84951
95050
105050
115050
125050
135050
145050
155050
165149
175050
185050
195050
204951
214951
225050
235050
244951
254951
264852
274852
284852
294753
304753
314654

Chance of precipitation in December

Any precipitation

Irará gets around 40 mm of rain over 7.5 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
326
425
525
624
724
824
924
1024
1124
1224
1324
1424
1524
1624
1725
1825
1925
2025
2125
2225
2324
2424
2524
2624
2724
2824
2925
3025
3126

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 75% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
137819
237819
337819
437720
537720
637720
737621
847521
947521
1047521
1147521
1247422
1347422
1447422
1557322
1657322
1757223
1857223
1957223
2057223
2147323
2247323
2347323
2447323
2547323
2647323
2737423
2837423
2937423
3037423
3137324

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 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 42 min at the start of December to 12 h 42 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 5:05 AM to 5:17 AM, and sunset from 5:45 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:055:45
212.75:055:45
312.75:065:46
412.75:065:46
512.75:065:47
612.75:065:47
712.75:075:48
812.75:075:48
912.75:075:49
1012.75:085:49
1112.75:085:50
1212.75:095:50
1312.75:095:51
1412.75:095:51
1512.75:105:52
1612.75:105:52
1712.75:115:53
1812.75:115:53
1912.75:115:54
2012.75:125:54
2112.75:125:55
2212.75:135:55
2312.75:135:56
2412.75:145:56
2512.75:145:57
2612.75:155:57
2712.75:155:58
2812.75:165:58
2912.75:165:58
3012.75:175:59
3112.75:175:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.01 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.58 kWh/m² to a high of 6.01 kWh/m² in December across the year — December's 6.01 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in December

Is December a good time to visit Irará?

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

4.0
Sightseeing
8th-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Irará in December

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

In December, Irará sees daytime highs around 32°C and nights near 22°C. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Irará 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 Irará peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Irará?

Irará sits at 12.1°S, 38.8°W, 274 m above sea level, in Brazil. The nearest listed city is Coração de Maria, 20 km away.

Topography around Irará

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

Within 3 km, the terrain around Irará has only modest variations in elevation — a maximum elevation change of 104 m around an average of 265 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 294 m; within 80 km, large variations in elevation — a maximum elevation change of 626 m.

The land around Irará is covered by grassland (59%) and trees (20%) within 3 km, grassland (68%) within 16 km, and grassland (65%) and trees (23%) within 80 km.

3 km
104 m
16 km
294 m
80 km
626 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Coração de Maria 20 km · Santa Bárbara 25 km · Conceição do Jacuípe 30 km · Feira de Santana 32 km · Amélia Rodrigues 39 km · Alagoinhas 39 km · São Gonçalo dos Campos 47 km · Biritinga 48 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 Irará (-12.05°, -38.7667°, elevation 274 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).