Brejo weather in December

In December, Brejo sees average daytime highs of 36°C and overnight lows near 25°C, with 57 mm of rain across 7.7 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 36°C in the first days to 35°C by the end. The sky is clear or mostly clear about 25% 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 Brejo's 7th-clearest and 4th-windiest month. For the whole year in context, see Brejo's year-round climate.

Daytime high
36°
4th warmest
Overnight low
25°
11th coldest
Rainfall
57 mm
7.7 wet days
Daylight
12 h 12 min
5:41 AM – 5:54 PM
Cloud cover
62%
7th clearest
Wind
11 km/h
4th windiest
Solar energy
5.88 kWh/m²
Travel score
2.2
out of 10

Brejo 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

Highs ease over the month, from about 36°C in the first days to 35°C by the end.

A typical December day in Brejo reaches about 36°C in the afternoon and slips back to 25°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 38°C. Set against its neighbours, December runs about 1°C cooler than November and about 3°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13625
23625
33625
43625
53625
63625
73625
83625
93625
103625
113625
123625
133625
143625
153625
163625
173625
183625
193625
203525
213525
223525
233525
243525
253525
263525
273525
283525
293525
303525
313425

How December really feels in Brejo

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
25 feel dangerously hot (≥ 39°C)
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.

Brejo weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°17719.712.22.6
Feb32° / 24°23621.612.12.7
Mar31° / 24°27726.3122.6
Apr31° / 24°30324.911.92.7
May32° / 24°1611711.83.5
Jun32° / 23°366.911.84.2
Jul33° / 23°17311.84.1
Aug35° / 23°30.711.93.3
Sep36° / 24°20.5122.4
Oct37° / 25°81.312.11.9
Nov37° / 25°203.112.21.9
Dec36° / 25°577.712.22.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55446
65446
75347
85248
95248
105149
115149
124951
135050
144951
154753
164654
174555
184456
194456
204357
214357
224258
234258
244258
254060
264060
274060
283961
293961
303961
313763

Chance of precipitation in December

Any precipitation

Brejo gets around 57 mm of rain over 7.7 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 26% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
113
213
313
413
513
614
715
816
916
1017
1118
1220
1321
1422
1523
1624
1725
1826
1928
2029
2130
2232
2333
2435
2536
2638
2739
2841
2942
3044
3146

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1460351
2460351
3460351
4459361
5459361
6458371
7358381
8357391
9356401
10354421
11353431
12253441
13251461
14249471
15248491
16247501
17245521
18244522
19142552
20141562
21139582
22138592
23136612
24135631
25133651
26132661
27131671
28129691
29128701
30126721
31125731

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 10 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:35 AM to 5:48 AM, and sunset from 5:47 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:355:47
212.25:355:47
312.25:365:48
412.25:365:48
512.25:365:48
612.25:375:49
712.25:375:49
812.25:375:50
912.25:385:50
1012.25:385:51
1112.25:395:51
1212.25:395:52
1312.25:395:52
1412.25:405:53
1512.25:405:53
1612.25:415:54
1712.25:415:54
1812.25:425:54
1912.25:425:55
2012.25:435:55
2112.25:435:56
2212.25:445:56
2312.25:445:57
2412.25:455:57
2512.25:455:58
2612.25:455:58
2712.25:465:59
2812.25:465:59
2912.25:476:00
3012.25:476:00
3112.25:486:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.88 kWh/m².

For context, solar energy here swings from a low near 4.74 kWh/m² to a high of 6.74 kWh/m² in October across the year — December's 5.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Bright
126.0Bright
135.9Bright
145.9Bright
155.9Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Brejo

In seasonPeak

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

Brejo's monsoon runs January–May, 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 Brejo?

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

2.2
Sightseeing
10th-best month of the year
5.2
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Brejo.

What to pack for Brejo in December

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

In December, Brejo sees daytime highs around 36°C and nights near 25°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Brejo 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 Brejo peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jul 14UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Brejo in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Brejo is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1920 µg/m³Jun 119 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar14Moderate
Apr12Moderate
May9Good
Jun9Good
Jul12Moderate
Aug10Good
Sep10Good
Oct15Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Brejo?

Brejo sits at 3.7°S, 42.8°W, 70 m above sea level, in Brazil. The nearest listed city is Santa Quitéria do Maranhão, 30 km away.

Topography around Brejo

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

Within 3 km, the terrain around Brejo has only modest variations in elevation — a maximum elevation change of 77 m around an average of 70 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 106 m; within 80 km, only modest variations in elevation — a maximum elevation change of 172 m.

The land around Brejo is covered by trees (75%) within 3 km, trees (63%) within 16 km, and trees (69%) within 80 km.

3 km
77 m
16 km
106 m
80 km
172 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Santa Quitéria do Maranhão 30 km · Buriti 35 km · Mata Roma 41 km · Luzilândia 49 km · São Bernardo 51 km · Miguel Alves 56 km · Esperantina 62 km · Chapadinha 68 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 Brejo (-3.6844°, -42.7503°, elevation 70 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).