Morrinhos weather in December

In December, Morrinhos sees average daytime highs of 34°C and overnight lows near 25°C, with 23 mm of rain across 5.1 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 34°C through the month. The sky is clear or mostly clear about 42% 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 Morrinhos's 7th-clearest and 5th-windiest month. For the whole year in context, see Morrinhos's year-round climate.

Daytime high
34°
5th warmest
Overnight low
25°
12th coldest
Rainfall
23 mm
5.1 wet days
Daylight
12 h 12 min
5:31 AM – 5:42 PM
Cloud cover
51%
7th clearest
Wind
15 km/h
5th windiest
Solar energy
5.98 kWh/m²
Travel score
3.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical December day in Morrinhos reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°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)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113425
123425
133425
143425
153425
163425
173425
183425
193425
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325
313325

How December really feels in Morrinhos

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.

Morrinhos 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
Jan32° / 25°1061612.23.2
Feb31° / 24°15020.312.13.1
Mar31° / 24°22425.7122.9
Apr30° / 24°26624.811.93.0
May31° / 24°11216.111.93.8
Jun32° / 24°346.711.84.5
Jul33° / 24°142.811.84.5
Aug34° / 24°30.511.94.0
Sep34° / 25°20.3123.9
Oct34° / 25°40.612.13.7
Nov34° / 25°61.112.13.7
Dec34° / 25°235.112.23.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26832
36733
46733
56733
66634
76634
86634
96634
106535
116535
126436
136436
146436
156337
166337
176238
186238
196040
206040
215941
225941
235842
245842
255743
265743
275545
285446
295347
305347
315248

Chance of precipitation in December

Any precipitation

Morrinhos gets around 23 mm of rain over 5.1 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.

0%10%20%30%40%151015202531
Rain chance (%)
16
27
37
48
58
69
79
810
911
1012
1113
1213
1314
1415
1516
1617
1718
1819
1920
2021
2122
2222
2323
2424
2524
2625
2727
2828
2929
3031
3132

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
130691
229701
328711
428711
527721
626731
725741
824751
923761
1023761
1122771
1221790
1321790
1420800
1519810
1619810
1718820
1818820
1917830
2017830
2117830
2216840
2316840
2416840
2515850
2615850
2715850
2814860
2914860
3013870
3113870

Wind in December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light 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 5:35 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:255:35
212.25:255:36
312.25:265:36
412.25:265:37
512.25:265:37
612.25:275:38
712.25:275:38
812.25:285:39
912.25:285:39
1012.25:285:39
1112.25:295:40
1212.25:295:40
1312.25:305:41
1412.25:305:41
1512.25:315:42
1612.25:315:42
1712.25:325:43
1812.25:325:43
1912.25:325:44
2012.25:335:44
2112.25:335:45
2212.25:345:45
2312.25:345:46
2412.25:355:46
2512.25:355:46
2612.25:365:47
2712.25:365:47
2812.25:375:48
2912.25:375:48
3012.25:385:49
3112.25:385:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.98 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 6.76 kWh/m² in September across the year — December's 5.98 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
166.0Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
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 Morrinhos

In seasonPeak

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

Morrinhos'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 Morrinhos?

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

3.6
Sightseeing
8th-best month of the year
6.8
Beach & pool
7th-best month of the year

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

What to pack for Morrinhos in December

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

In December, Morrinhos sees daytime highs around 34°C and nights near 25°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Morrinhos 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 at the nearest coast (about 48 km away) 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 Morrinhos 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 Morrinhos peaks around March 16 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 16UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is Morrinhos?

Morrinhos sits at 3.2°S, 40.1°W, 59 m above sea level, in Brazil. The nearest listed city is Marco, 12 km away.

Topography around Morrinhos

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

Within 3 km, the terrain around Morrinhos has only modest variations in elevation — a maximum elevation change of 113 m around an average of 35 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 647 m; within 80 km, large variations in elevation — a maximum elevation change of 1,063 m.

The land around Morrinhos is covered by grassland (39%), shrubs (35%) and trees (21%) within 3 km, shrubs (40%), trees (29%) and grassland (29%) within 16 km, and shrubs (34%), water (22%) and trees (21%) within 80 km.

3 km
113 m
16 km
647 m
80 km
1,063 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Marco 12 km · Bela Cruz 20 km · Santana do Acaraú 27 km · Amontada 36 km · Acaraú 38 km · Massapê 41 km · Itarema 42 km · Meruoca 50 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 Morrinhos (-3.2294°, -40.125°, elevation 59 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).