Irauçuba weather in December

In December, Irauçuba sees average daytime highs of 33°C and overnight lows near 24°C, with 24 mm of rain across 4.9 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Irauçuba's 7th-clearest and 5th-windiest month. For the whole year in context, see Irauçuba's year-round climate.

Daytime high: 33°; 4th warmest
Overnight low: 24°; 12th coldest
Rainfall: 24 mm; 4.9 wet days
Daylight: 12 h 12 min; 5:29 AM – 5:42 PM
Cloud cover: 53%; 7th clearest
Wind: 16 km/h; 5th windiest
Solar energy: 6.03 kWh/m²
Travel score: 3.9; out of 10

Irauçuba is settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← November Irauçuba year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical December day in Irauçuba reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, December runs on par with November and about 1°C warmer than January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33
Avg low (°C)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24

	Avg high (°C)	Avg low (°C)
1	33	24
2	33	24
3	33	24
4	33	24
5	33	24
6	33	24
7	33	24
8	33	24
9	33	24
10	33	24
11	33	24
12	33	24
13	33	24
14	33	24
15	33	24
16	33	24
17	33	24
18	33	24
19	33	24
20	33	24
21	33	24
22	33	24
23	33	24
24	33	24
25	33	24
26	33	24
27	33	24
28	33	24
29	33	24
30	33	24
31	33	24

How December really feels in Irauçuba

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Irauçuba weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	32° / 24°	108	16.3	12.2	3.5
Feb	31° / 23°	145	19.1	12.1	3.4
Mar	30° / 23°	219	24.8	12	3.2
Apr	30° / 23°	221	23.1	11.9	3.4
May	30° / 23°	92	14.9	11.8	4.3
Jun	31° / 23°	27	6.2	11.8	5.1
Jul	32° / 23°	15	3.1	11.8	5.1
Aug	33° / 23°	4	0.7	11.9	4.7
Sep	34° / 23°	1	0.1	12	4.3
Oct	34° / 24°	3	0.4	12.1	4.0
Nov	34° / 24°	4	0.9	12.2	3.9
Dec	33° / 24°	24	4.9	12.2	3.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	65	64	64	64	64	64	64	64	64	64	63	64	63	63	62	62	61	60	59	59	58	58	56	56	55	55	54	53	52	51	50
Cloudier (%)	35	36	36	36	36	36	36	36	36	36	37	36	37	37	38	38	39	40	41	41	42	42	44	44	45	45	46	47	48	49	50

	Clearer (%)	Cloudier (%)
1	65	35
2	64	36
3	64	36
4	64	36
5	64	36
6	64	36
7	64	36
8	64	36
9	64	36
10	64	36
11	63	37
12	64	36
13	63	37
14	63	37
15	62	38
16	62	38
17	61	39
18	60	40
19	59	41
20	59	41
21	58	42
22	58	42
23	56	44
24	56	44
25	55	45
26	55	45
27	54	46
28	53	47
29	52	48
30	51	49
31	50	50

Chance of precipitation in December

Any precipitation

Irauçuba gets around 24 mm of rain over 4.9 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 17% and peaks near 32% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	6	6	7	7	7	8	9	9	10	10	11	12	13	14	15	16	17	18	19	20	21	21	22	23	24	25	27	28	30	31	32

	Rain chance (%)
1	6
2	6
3	7
4	7
5	7
6	8
7	9
8	9
9	10
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	21
23	22
24	23
25	24
26	25
27	27
28	28
29	30
30	31
31	32

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Muggy (%)	78	78	77	76	74	73	72	70	69	67	66	64	63	61	59	57	55	54	52	50	49	47	45	44	42	41	39	38	36	35	34
Oppressive (%)	22	22	23	24	26	27	28	30	31	33	34	36	37	39	41	43	45	46	48	50	51	53	55	56	58	59	61	62	64	65	66

	Muggy (%)	Oppressive (%)
1	78	22
2	78	22
3	77	23
4	76	24
5	74	26
6	73	27
7	72	28
8	70	30
9	69	31
10	67	33
11	66	34
12	64	36
13	63	37
14	61	39
15	59	41
16	57	43
17	55	45
18	54	46
19	52	48
20	50	50
21	49	51
22	47	53
23	45	55
24	44	56
25	42	58
26	41	59
27	39	61
28	38	62
29	36	64
30	35	65
31	34	66

Wind in December

Winds average 16 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	17	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15	15	14	14	14
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	17	light breeze
2	16	light breeze
3	16	light breeze
4	16	light breeze
5	16	light breeze
6	16	light breeze
7	16	light breeze
8	16	light breeze
9	16	light breeze
10	16	light breeze
11	16	light breeze
12	16	light breeze
13	16	light breeze
14	16	light breeze
15	16	light breeze
16	16	light breeze
17	16	light breeze
18	16	light breeze
19	15	light breeze
20	15	light breeze
21	15	light breeze
22	15	light breeze
23	15	light breeze
24	15	light breeze
25	15	light breeze
26	15	light breeze
27	15	light breeze
28	15	light breeze
29	14	light breeze
30	14	light breeze
31	14	light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 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 5:23 AM to 5:36 AM, and sunset from 5:35 PM to 5:49 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2	12.2
Sunrise (AM)	5:23	5:23	5:24	5:24	5:24	5:25	5:25	5:25	5:26	5:26	5:27	5:27	5:27	5:28	5:28	5:29	5:29	5:30	5:30	5:31	5:31	5:32	5:32	5:33	5:33	5:33	5:34	5:34	5:35	5:35	5:36
Sunset (PM)	5:35	5:35	5:36	5:36	5:37	5:37	5:38	5:38	5:38	5:39	5:39	5:40	5:40	5:41	5:41	5:42	5:42	5:43	5:43	5:44	5:44	5:45	5:45	5:46	5:46	5:46	5:47	5:47	5:48	5:48	5:49

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	5:23	5:35
2	12.2	5:23	5:35
3	12.2	5:24	5:36
4	12.2	5:24	5:36
5	12.2	5:24	5:37
6	12.2	5:25	5:37
7	12.2	5:25	5:38
8	12.2	5:25	5:38
9	12.2	5:26	5:38
10	12.2	5:26	5:39
11	12.2	5:27	5:39
12	12.2	5:27	5:40
13	12.2	5:27	5:40
14	12.2	5:28	5:41
15	12.2	5:28	5:41
16	12.2	5:29	5:42
17	12.2	5:29	5:42
18	12.2	5:30	5:43
19	12.2	5:30	5:43
20	12.2	5:31	5:44
21	12.2	5:31	5:44
22	12.2	5:32	5:45
23	12.2	5:32	5:45
24	12.2	5:33	5:46
25	12.2	5:33	5:46
26	12.2	5:33	5:46
27	12.2	5:34	5:47
28	12.2	5:34	5:47
29	12.2	5:35	5:48
30	12.2	5:35	5:48
31	12.2	5:36	5:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.03 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 6.82 kWh/m² in October across the year — December's 6.03 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.3	6.3	6.3	6.2	6.2	6.2	6.2	6.2	6.2	6.1	6.1	6.1	6.1	6.0	6.0	6.0	6.0	6.0	6.0	5.9	5.9	5.9	5.9	5.9	5.8	5.8	5.8	5.8	5.8	5.8	5.7
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	6.3	Intense
2	6.3	Intense
3	6.3	Intense
4	6.2	Intense
5	6.2	Intense
6	6.2	Intense
7	6.2	Intense
8	6.2	Intense
9	6.2	Intense
10	6.1	Intense
11	6.1	Intense
12	6.1	Intense
13	6.1	Intense
14	6.0	Intense
15	6.0	Intense
16	6.0	Intense
17	6.0	Bright
18	6.0	Bright
19	6.0	Bright
20	5.9	Bright
21	5.9	Bright
22	5.9	Bright
23	5.9	Bright
24	5.9	Bright
25	5.8	Bright
26	5.8	Bright
27	5.8	Bright
28	5.8	Bright
29	5.8	Bright
30	5.8	Bright
31	5.7	Bright

Planning a trip in December

Hazard calendar for Irauçuba

In seasonPeak

None of Irauçuba's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Irauçuba's monsoon runs January–April, 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 Irauçuba?

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

3.9

Sightseeing

7th-best month of the year

6.9

Beach & pool

7th-best month of the year

December is a weaker month for outdoor sightseeing in Irauçuba. The water and warmth also suit a beach or pool day.

What to pack for Irauçuba in December

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

In December, Irauçuba sees daytime highs around 33°C and nights near 24°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Irauçuba in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Irauçuba peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	14	16	14	11	10	10	11	12	12	12	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	14	Extreme
Mar	16	Extreme
Apr	14	Extreme
May	11	Extreme
Jun	10	Very high
Jul	10	Very high
Aug	11	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	12	Extreme
Dec	11	Extreme

Location & terrain

Where is Irauçuba?

Irauçuba sits at 3.7°S, 39.8°W, 150 m above sea level, in Brazil. The nearest listed city is Itapagé, 23 km away.

Topography around Irauçuba

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

Within 3 km, the terrain around Irauçuba has significant variations in elevation — a maximum elevation change of 385 m around an average of 165 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 813 m; within 80 km, large variations in elevation — a maximum elevation change of 1,065 m.

The land around Irauçuba is covered by grassland (71%) and shrubs (21%) within 3 km, shrubs (51%) and grassland (39%) within 16 km, and shrubs (62%) and grassland (21%) within 80 km.

3 km

385 m

grassland 71%

16 km

813 m

shrubs 51%

80 km

1,065 m

shrubs 62%

treesshrubsgrasslandartificial surfacesbare terrainwater

← November Irauçuba year-round climate January →Best places to visit in December

December weather nearby: Itapagé 23 km · Uruburetama 33 km · Tejuçuoca 35 km · Itapipoca 36 km · Turaru 42 km · Amontada 43 km · Umirim 49 km · Forquilha 53 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

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 Irauçuba (-3.7461°, -39.7833°, elevation 150 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).

	Avg high (°C)	Avg low (°C)
1	33	24
2	33	24
3	33	24
4	33	24
5	33	24
6	33	24
7	33	24
8	33	24
9	33	24
10	33	24
11	33	24
12	33	24
13	33	24
14	33	24
15	33	24
16	33	24
17	33	24
18	33	24
19	33	24
20	33	24
21	33	24
22	33	24
23	33	24
24	33	24
25	33	24
26	33	24
27	33	24
28	33	24
29	33	24
30	33	24
31	33	24

	Clearer (%)	Cloudier (%)
1	65	35
2	64	36
3	64	36
4	64	36
5	64	36
6	64	36
7	64	36
8	64	36
9	64	36
10	64	36
11	63	37
12	64	36
13	63	37
14	63	37
15	62	38
16	62	38
17	61	39
18	60	40
19	59	41
20	59	41
21	58	42
22	58	42
23	56	44
24	56	44
25	55	45
26	55	45
27	54	46
28	53	47
29	52	48
30	51	49
31	50	50

	Rain chance (%)
1	6
2	6
3	7
4	7
5	7
6	8
7	9
8	9
9	10
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	21
23	22
24	23
25	24
26	25
27	27
28	28
29	30
30	31
31	32

	Muggy (%)	Oppressive (%)
1	78	22
2	78	22
3	77	23
4	76	24
5	74	26
6	73	27
7	72	28
8	70	30
9	69	31
10	67	33
11	66	34
12	64	36
13	63	37
14	61	39
15	59	41
16	57	43
17	55	45
18	54	46
19	52	48
20	50	50
21	49	51
22	47	53
23	45	55
24	44	56
25	42	58
26	41	59
27	39	61
28	38	62
29	36	64
30	35	65
31	34	66

	Avg high (°C)	Avg low (°C)
1	33	24
2	33	24
3	33	24
4	33	24
5	33	24
6	33	24
7	33	24
8	33	24
9	33	24
10	33	24
11	33	24
12	33	24
13	33	24
14	33	24
15	33	24
16	33	24
17	33	24
18	33	24
19	33	24
20	33	24
21	33	24
22	33	24
23	33	24
24	33	24
25	33	24
26	33	24
27	33	24
28	33	24
29	33	24
30	33	24
31	33	24

	Clearer (%)	Cloudier (%)
1	65	35
2	64	36
3	64	36
4	64	36
5	64	36
6	64	36
7	64	36
8	64	36
9	64	36
10	64	36
11	63	37
12	64	36
13	63	37
14	63	37
15	62	38
16	62	38
17	61	39
18	60	40
19	59	41
20	59	41
21	58	42
22	58	42
23	56	44
24	56	44
25	55	45
26	55	45
27	54	46
28	53	47
29	52	48
30	51	49
31	50	50

	Rain chance (%)
1	6
2	6
3	7
4	7
5	7
6	8
7	9
8	9
9	10
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	21
23	22
24	23
25	24
26	25
27	27
28	28
29	30
30	31
31	32

	Muggy (%)	Oppressive (%)
1	78	22
2	78	22
3	77	23
4	76	24
5	74	26
6	73	27
7	72	28
8	70	30
9	69	31
10	67	33
11	66	34
12	64	36
13	63	37
14	61	39
15	59	41
16	57	43
17	55	45
18	54	46
19	52	48
20	50	50
21	49	51
22	47	53
23	45	55
24	44	56
25	42	58
26	41	59
27	39	61
28	38	62
29	36	64
30	35	65
31	34	66

	Avg high (°C)	Avg low (°C)
1	33	24
2	33	24
3	33	24
4	33	24
5	33	24
6	33	24
7	33	24
8	33	24
9	33	24
10	33	24
11	33	24
12	33	24
13	33	24
14	33	24
15	33	24
16	33	24
17	33	24
18	33	24
19	33	24
20	33	24
21	33	24
22	33	24
23	33	24
24	33	24
25	33	24
26	33	24
27	33	24
28	33	24
29	33	24
30	33	24
31	33	24

	Clearer (%)	Cloudier (%)
1	65	35
2	64	36
3	64	36
4	64	36
5	64	36
6	64	36
7	64	36
8	64	36
9	64	36
10	64	36
11	63	37
12	64	36
13	63	37
14	63	37
15	62	38
16	62	38
17	61	39
18	60	40
19	59	41
20	59	41
21	58	42
22	58	42
23	56	44
24	56	44
25	55	45
26	55	45
27	54	46
28	53	47
29	52	48
30	51	49
31	50	50

	Rain chance (%)
1	6
2	6
3	7
4	7
5	7
6	8
7	9
8	9
9	10
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	21
23	22
24	23
25	24
26	25
27	27
28	28
29	30
30	31
31	32

	Muggy (%)	Oppressive (%)
1	78	22
2	78	22
3	77	23
4	76	24
5	74	26
6	73	27
7	72	28
8	70	30
9	69	31
10	67	33
11	66	34
12	64	36
13	63	37
14	61	39
15	59	41
16	57	43
17	55	45
18	54	46
19	52	48
20	50	50
21	49	51
22	47	53
23	45	55
24	44	56
25	42	58
26	41	59
27	39	61
28	38	62
29	36	64
30	35	65
31	34	66