Brejo weather in January

In January, Brejo sees average daytime highs of 33°C and overnight lows near 24°C, with 177 mm of rain across 19.7 wet days and about 12.2 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 10% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Brejo's 9th-clearest and 6th-windiest month. For the whole year in context, see Brejo's year-round climate.

Daytime high
33°
7th warmest
Overnight low
24°
9th coldest
Rainfall
177 mm
19.7 wet days
Daylight
12 h 12 min
5:55 AM – 6:06 PM
Cloud cover
74%
9th clearest
Wind
9 km/h
6th windiest
Solar energy
5.21 kWh/m²
Travel score
2.6
out of 10

Brejo is human settlement in Brazil.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical January day in Brejo 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 30°C and 36°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C warmer than February.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63424
73424
83424
93424
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313224

How January really feels in Brejo

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Brejo weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 4th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 73%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23565
33565
43466
53367
63268
73070
82971
92773
102773
112575
122575
132377
142377
152377
162278
172278
182377
192377
202575
212575
222674
232674
242773
252773
262773
272773
282773
292872
302872
312872

Chance of precipitation in January

Any precipitation

Brejo gets around 177 mm of rain over 19.7 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 63% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
148
250
352
453
555
656
758
859
960
1061
1162
1264
1365
1466
1567
1667
1767
1868
1968
2068
2168
2268
2368
2468
2568
2668
2768
2868
2968
3068
3168

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the oppressive band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1123751
2122761
3120781
4119791
5118801
6116821
7115831
8014851
9013852
10012862
11012862
12011872
13010873
1409883
1508884
1608884
1707894
1807885
1907885
2007885
2106886
2206886
2306886
2406877
2506877
2606877
2706868
2806868
2906859
3006859
3106859

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 12 min at the start of January 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 January. Sunrise moves from 5:48 AM to 6:00 AM, and sunset from 6:00 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:486:00
212.25:486:01
312.25:496:01
412.25:496:02
512.25:506:02
612.25:506:03
712.25:516:03
812.25:516:03
912.25:526:04
1012.25:526:04
1112.25:526:04
1212.25:536:05
1312.25:536:05
1412.25:546:05
1512.25:546:06
1612.25:556:06
1712.25:556:06
1812.25:556:07
1912.25:566:07
2012.25:566:07
2112.25:566:07
2212.25:576:08
2312.25:576:08
2412.25:576:08
2512.25:586:08
2612.25:586:08
2712.25:586:09
2812.25:596:09
2912.25:596:09
3012.25:596:09
3112.26:006:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.21 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 — January's 5.21 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Brejo

In seasonPeak

In January, Brejo sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

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 January a good time to visit Brejo?

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

2.6
Sightseeing
7th-best month of the year
4.7
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Brejo.

What to pack for Brejo in January

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

In January, Brejo sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Brejo in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).