Brejo weather in May

In May, Brejo sees average daytime highs of 32°C and overnight lows near 24°C, with 161 mm of rain across 17 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 5th-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 24% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Brejo's 8th-clearest and 11th-windiest month. For the whole year in context, see Brejo's year-round climate.

Daytime high
32°
10th warmest
Overnight low
24°
6th coldest
Rainfall
161 mm
17 wet days
Daylight
11 h 48 min
5:52 AM – 5:42 PM
Cloud cover
64%
8th clearest
Wind
6 km/h
11th windiest
Solar energy
4.92 kWh/m²
Travel score
3.5
out of 10

Brejo is human settlement in Brazil.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical May day in Brejo reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°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, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How May really feels in Brejo

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

Brejo weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 5th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22872
32971
43070
53169
63268
73565
83565
93763
103862
113961
124060
134258
144357
154357
164555
174555
184753
194852
204951
215050
225149
235248
245347
255545
265644
275743
285842
295941
306139
316139

Chance of precipitation in May

Any precipitation

Brejo gets around 161 mm of rain over 17 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 55% and peaks near 73% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
173
271
370
469
567
666
764
863
961
1060
1159
1258
1357
1456
1555
1655
1754
1853
1952
2051
2150
2249
2348
2447
2546
2645
2743
2842
2940
3039
3137

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
105248
205248
305248
405347
505347
605347
705446
805446
905446
1005545
1105545
1205644
1305644
1405743
1505743
1605842
1705941
1806040
1906139
2006238
2106436
2216435
2316633
2416732
2516930
2617128
2717326
2827325
2927523
3027721
3127820

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:52 AM to 5:54 AM, and sunset from 5:44 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:525:44
211.95:525:44
311.95:525:44
411.95:525:44
511.95:525:44
611.95:525:43
711.95:525:43
811.95:525:43
911.95:525:43
1011.85:525:43
1111.85:525:43
1211.85:525:43
1311.85:525:42
1411.85:525:42
1511.85:525:42
1611.85:525:42
1711.85:525:42
1811.85:525:42
1911.85:535:42
2011.85:535:42
2111.85:535:42
2211.85:535:42
2311.85:535:42
2411.85:535:42
2511.85:535:42
2611.85:535:42
2711.85:545:42
2811.85:545:42
2911.85:545:42
3011.85:545:42
3111.85:545:43

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.92 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 — May's 4.92 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Brejo

In seasonPeak

In May, 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 May a good time to visit Brejo?

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

3.5
Sightseeing
3rd-best month of the year
5.4
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Brejo.

What to pack for Brejo in May

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

In May, Brejo sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Brejo in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 May

GoodModeratePoorUnhealthyVery unhealthy

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