São Miguel do Tapuio weather in May

In May, São Miguel do Tapuio sees average daytime highs of 31°C and overnight lows near 22°C, with 68 mm of rain across 8.7 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 31°C through the month. The sky is clear or mostly clear about 27% 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 42 min by month's end. Set against the rest of the year, May is São Miguel do Tapuio's 7th-clearest and 8th-windiest month. For the whole year in context, see São Miguel do Tapuio's year-round climate.

Daytime high
31°
10th warmest
Overnight low
22°
6th coldest
Rainfall
68 mm
8.7 wet days
Daylight
11 h 48 min
5:49 AM – 5:34 PM
Cloud cover
59%
7th clearest
Wind
11 km/h
8th windiest
Solar energy
5.01 kWh/m²
Travel score
4.6
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 São Miguel do Tapuio 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 29°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)
13022
23022
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
283122
293122
303122
313122

How May really feels in São Miguel do Tapuio

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.

São Miguel do Tapuio 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
Jan32° / 23°15917.212.33.3
Feb31° / 22°19216.712.23.5
Mar30° / 22°26922.1123.4
Apr30° / 22°18218.511.93.8
May31° / 22°688.711.84.6
Jun31° / 22°122.111.75.2
Jul32° / 22°7111.75.1
Aug33° / 22°20.211.84.4
Sep35° / 23°10.4123.6
Oct35° / 23°120.912.13.1
Nov35° / 24°132.612.33.0
Dec34° / 24°406.312.33.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23961
34060
44060
54258
64456
74456
84654
94753
104951
115050
125149
135248
145248
155347
165446
175545
185545
195644
205842
215842
225941
235941
246040
256139
266238
276337
286436
296436
306535
316634

Chance of precipitation in May

Any precipitation

São Miguel do Tapuio gets around 68 mm of rain over 8.7 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 29% and peaks near 50% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
248
347
445
543
641
739
837
935
1033
1131
1230
1329
1427
1527
1626
1725
1824
1923
2023
2122
2221
2321
2420
2520
2619
2719
2818
2917
3016
3115

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1143857
2153955
3154054
4164152
5164251
6174448
7184546
8184744
9194842
101105039
111115137
121115335
131125433
141125532
151135630
161135828
171145827
181146025
191156024
201156222
211166221
221176319
231176418
241186417
251196416
261206415
271216414
281236313
292256112
302276011
312295910

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
610calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 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 5:48 AM to 5:51 AM, and sunset from 5:37 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:485:37
211.85:485:37
311.85:485:36
411.85:485:36
511.85:485:36
611.85:485:36
711.85:485:35
811.85:485:35
911.85:485:35
1011.85:485:35
1111.85:495:35
1211.85:495:35
1311.85:495:34
1411.85:495:34
1511.85:495:34
1611.85:495:34
1711.75:495:34
1811.75:495:34
1911.75:495:34
2011.75:505:34
2111.75:505:34
2211.75:505:34
2311.75:505:34
2411.75:505:34
2511.75:505:34
2611.75:515:34
2711.75:515:34
2811.75:515:34
2911.75:515:34
3011.75:515:34
3111.75:515:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.01 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 6.96 kWh/m² in October across the year — May's 5.01 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
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 São Miguel do Tapuio

In seasonPeak

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

São Miguel do Tapuio'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 São Miguel do Tapuio?

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

4.6
Sightseeing
3rd-best month of the year
6.8
Beach & pool
5th-best month of the year

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

What to pack for São Miguel do Tapuio in May

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

In May, São Miguel do Tapuio sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in São Miguel do Tapuio 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 São Miguel do Tapuio peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 16Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is São Miguel do Tapuio?

São Miguel do Tapuio sits at 5.5°S, 41.3°W, 283 m above sea level, in Brazil. The nearest listed city is Castelo do Piauí, 32 km away.

Topography around São Miguel do Tapuio

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Miguel do Tapuio.

Within 3 km, the terrain around São Miguel do Tapuio has only modest variations in elevation — a maximum elevation change of 142 m around an average of 296 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 339 m; within 80 km, large variations in elevation — a maximum elevation change of 787 m.

The land around São Miguel do Tapuio is covered by shrubs (53%) and grassland (30%) within 3 km, shrubs (63%) and trees (29%) within 16 km, and shrubs (68%) and trees (24%) within 80 km.

3 km
142 m
16 km
339 m
80 km
787 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Castelo do Piauí 32 km · Novo Oriente 61 km · Quiterianópolis 79 km · Crateús 81 km · Parambu 105 km · Valença do Piauí 111 km · Independência 113 km · Campo Maior 120 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 São Miguel do Tapuio (-5.5036°, -41.3233°, elevation 283 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).