Itarema weather in December

In December, Itarema sees average daytime highs of 32°C and overnight lows near 25°C, with 23 mm of rain across 6.6 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 7th-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 46% of the time in December, and the air most often feels oppressive.

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 Itarema's 7th-clearest and 5th-windiest month. For the whole year in context, see Itarema's year-round climate.

Daytime high
32°
5th warmest
Overnight low
25°
12th coldest
Rainfall
23 mm
6.6 wet days
Daylight
12 h 12 min
5:31 AM – 5:41 PM
Cloud cover
48%
7th clearest
Wind
19 km/h
5th windiest
Solar energy
6.07 kWh/m²
Travel score
4.6
out of 10

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 Itarema reaches about 32°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, December runs on par with November and about 1°C warmer than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13226
23226
33226
43226
53226
63226
73226
83226
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293125
303125
313125

How December really feels in Itarema

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.

Itarema weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°1031812.23.7
Feb30° / 25°14922.212.13.3
Mar30° / 24°22727.1123.1
Apr30° / 24°27125.911.93.1
May30° / 25°11818.411.94.0
Jun31° / 24°347.711.85.1
Jul31° / 24°173.511.85.2
Aug32° / 24°30.511.95.1
Sep32° / 25°20.3125.1
Oct32° / 25°30.612.15.1
Nov32° / 25°51.212.14.9
Dec32° / 25°236.612.24.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
46931
56931
66931
76931
86931
96931
106832
116832
126832
136832
146832
156733
166634
176634
186535
196436
206436
216337
226337
236337
246238
256139
266139
276040
285941
295941
305842
315743

Chance of precipitation in December

Any precipitation

Itarema gets around 23 mm of rain over 6.6 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 22% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
18
29
310
410
511
612
712
813
914
1015
1116
1217
1318
1419
1520
1621
1722
1823
1924
2025
2126
2228
2329
2430
2531
2633
2734
2836
2938
3039
3141

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13961
23961
33961
43961
53952
62962
72962
82962
92962
102971
112971
121981
131981
141981
151981
161981
171981
181981
191981
201981
211981
221981
231981
241981
251972
261972
271972
281963
291963
301963
311954

Wind in December

Winds average 19 km/h in December.

Across December, daily wind ranges from about 17 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2817light breeze
2917light breeze
3017light breeze
3117light 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 5:25 AM to 5:38 AM, and sunset from 5:34 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:255:34
212.25:255:35
312.25:255:35
412.25:265:35
512.25:265:36
612.25:275:36
712.25:275:37
812.25:275:37
912.25:285:38
1012.25:285:38
1112.25:295:39
1212.25:295:39
1312.25:295:39
1412.25:305:40
1512.25:305:40
1612.25:315:41
1712.25:315:41
1812.25:325:42
1912.25:325:42
2012.25:335:43
2112.25:335:43
2212.25:345:44
2312.25:345:44
2412.25:355:45
2512.25:355:45
2612.25:355:46
2712.25:365:46
2812.25:365:46
2912.25:375:47
3012.25:375:47
3112.25:385:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.07 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 6.8 kWh/m² in September across the year — December's 6.07 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
216.0Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Itarema

In seasonPeak

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

Itarema's monsoon runs February–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 Itarema?

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

4.6
Sightseeing
7th-best month of the year
7.1
Beach & pool
7th-best month of the year

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

What to pack for Itarema in December

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

In December, Itarema sees daytime highs around 32°C and nights near 25°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Itarema in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 29°C and coldest in August near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Itarema 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 Itarema peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 17UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is Itarema?

Itarema sits at 2.9°S, 39.9°W, 21 m above sea level, in Brazil. The nearest listed city is Acaraú, 23 km away.

Topography around Itarema

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

Within 3 km, the terrain around Itarema has only modest variations in elevation — a maximum elevation change of 29 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, large variations in elevation — a maximum elevation change of 846 m.

The land around Itarema is covered by grassland (53%) within 3 km, water (37%), grassland (26%) and trees (21%) within 16 km, and water (37%), shrubs (23%) and grassland (20%) within 80 km.

3 km
29 m
16 km
50 m
80 km
846 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Acaraú 23 km · Bela Cruz 32 km · Marco 34 km · Morrinhos 42 km · Amontada 50 km · Jijoca de Jericoacoara 59 km · Santana do Acaraú 69 km · Itapipoca 74 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 Itarema (-2.9203°, -39.915°, elevation 21 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).