Barro weather in May

In May, Barro sees average daytime highs of 31°C and overnight lows near 22°C, with 49 mm of rain across 8.2 wet days and about 11.7 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Barro's 8th-clearest and 7th-windiest month. For the whole year in context, see Barro's year-round climate.

Daytime high
31°
10th warmest
Overnight low
22°
5th coldest
Rainfall
49 mm
8.2 wet days
Daylight
11 h 42 min
5:41 AM – 5:22 PM
Cloud cover
59%
8th clearest
Wind
11 km/h
7th windiest
Solar energy
4.94 kWh/m²
Travel score
4.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May day in Barro reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283121
293121
303121
313121

How May really feels in Barro

Once humidity and wind are folded in, May averages 28 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
28
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.

Barro 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° / 23°11813.712.43.2
Feb32° / 23°15614.512.23.4
Mar31° / 23°19018.9123.4
Apr31° / 22°11514.411.83.9
May31° / 22°498.211.74.8
Jun30° / 21°183.711.65.5
Jul31° / 20°7211.65.6
Aug32° / 20°40.611.85.0
Sep34° / 21°20.4123.8
Oct35° / 23°71.212.23.0
Nov35° / 24°102.212.32.9
Dec35° / 24°355.412.43.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 26% of May, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44555
54654
64654
74654
84753
94852
104852
114951
124951
135050
145050
155149
165149
175248
185248
195347
205347
215446
225446
235545
245545
255545
265545
275545
285545
295644
305545
315545

Chance of precipitation in May

Any precipitation

Barro gets around 49 mm of rain over 8.2 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 26% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
235
334
433
532
631
730
829
928
1027
1127
1226
1326
1426
1526
1626
1726
1826
1926
2025
2125
2225
2324
2424
2523
2623
2722
2821
2920
3020
3119

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11105732
21115731
31115830
41125829
51126027
61136026
71146025
81146124
91156123
101166221
111166320
121176220
132176219
142186218
152186218
162196217
172196316
182206216
192206315
202216314
212216314
222226313
232226412
242236411
252246311
262256310
27225649
28226639
29228628
30229627
31230626

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2412calm
2512calm
2612calm
2712calm
2812light breeze
2912light breeze
3012light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 5:40 AM to 5:44 AM, and sunset from 5:25 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:405:25
211.75:405:25
311.75:405:24
411.75:405:24
511.75:405:24
611.75:405:23
711.75:405:23
811.75:405:23
911.75:405:23
1011.75:405:23
1111.75:415:22
1211.75:415:22
1311.75:415:22
1411.75:415:22
1511.75:415:22
1611.75:415:22
1711.75:415:21
1811.75:415:21
1911.75:425:21
2011.75:425:21
2111.75:425:21
2211.65:425:21
2311.65:425:21
2411.65:435:21
2511.65:435:21
2611.65:435:21
2711.65:435:21
2811.65:435:21
2911.65:445:21
3011.65:445:21
3111.65:445:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.94 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 7.03 kWh/m² in October across the year — May's 4.94 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in May

Hazard calendar for Barro

In seasonPeak

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

Barro's monsoon runs January–April, 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 Barro?

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

4.8
Sightseeing
4th-best month of the year
6.9
Beach & pool
5th-best month of the year

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

What to pack for Barro in May

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

In May, Barro sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Barro 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 Barro peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 13UV 15Jul 14UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Barro?

Barro sits at 7.2°S, 38.8°W, 579 m above sea level, in Brazil. The nearest listed city is Mauriti, 23 km away.

Topography around Barro

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

Within 3 km, the terrain around Barro has only modest variations in elevation — a maximum elevation change of 105 m around an average of 378 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 496 m; within 80 km, large variations in elevation — a maximum elevation change of 847 m.

The land around Barro is covered by shrubs (50%) and grassland (35%) within 3 km, shrubs (58%) and grassland (23%) within 16 km, and shrubs (55%) and grassland (26%) within 80 km.

3 km
105 m
16 km
496 m
80 km
847 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Mauriti 23 km · Milagres 24 km · São José de Piranhas 31 km · Aurora 33 km · Cajazeiras 41 km · Missão Velha 41 km · Brejo Santo 42 km · Lavras da Mangabeira 51 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 Barro (-7.1785°, -38.78°, elevation 579 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).