Cantá weather in May

In May, Cantá sees average daytime highs of 30°C and overnight lows near 23°C, with 422 mm of rain across 27.8 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 3% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of May to 12 h 06 min by month's end. Set against the rest of the year, May is Cantá's 12th-clearest and 8th-windiest month. For the whole year in context, see Cantá's year-round climate.

Daytime high
30°
10th warmest
Overnight low
23°
4th coldest
Rainfall
422 mm
27.8 wet days
Daylight
12 h 06 min
5:55 AM – 6:02 PM
Cloud cover
84%
12th clearest
Wind
5 km/h
8th windiest
Solar energy
3.78 kWh/m²
Travel score
3.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical May day in Cantá reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, May runs about 1°C cooler than April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923
312923

How May really feels in Cantá

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.

Cantá weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°528.711.94.1
Feb32° / 24°488.211.93.9
Mar32° / 24°8410.4123.6
Apr31° / 24°24619.312.13.3
May30° / 23°42227.812.13.0
Jun29° / 22°38928.412.13.0
Jul29° / 22°32728.812.13.1
Aug30° / 22°22325.412.13.2
Sep32° / 23°13618.5123.3
Oct33° / 24°10315.711.93.3
Nov32° / 24°12116.411.93.2
Dec32° / 24°8413.211.93.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31387
41387
51288
61288
71288
81189
91189
101189
111189
121189
131189
141189
151288
161288
171288
181387
191486
201486
211486
221486
231387
241387
251387
261387
271387
281387
291387
301387
311387

Chance of precipitation in May

Any precipitation

Cantá gets around 422 mm of rain over 27.8 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 89% and peaks near 92% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
181
281
382
483
584
686
787
887
988
1089
1190
1290
1390
1490
1590
1690
1790
1890
1990
2090
2190
2290
2390
2490
2591
2691
2791
2891
2991
3092
3192

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
157916
257916
348016
448115
548115
638215
738215
838215
928315
1028216
1128216
1228216
1318316
1418316
1518316
1618316
1718316
1818316
1918316
2018316
2118316
2218316
2318316
2418415
2518415
2618415
2718514
2818514
2918613
3018613
3118712

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 06 min at the start of May to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 5:57 AM to 5:56 AM, and sunset from 6:02 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:576:02
212.15:576:02
312.15:576:02
412.15:566:02
512.15:566:02
612.15:566:02
712.15:566:02
812.15:566:02
912.15:566:02
1012.15:566:02
1112.15:556:02
1212.15:556:02
1312.15:556:02
1412.15:556:02
1512.15:556:02
1612.15:556:02
1712.15:556:02
1812.15:556:02
1912.15:556:02
2012.15:556:02
2112.15:556:03
2212.15:556:03
2312.15:556:03
2412.15:556:03
2512.15:556:03
2612.15:556:03
2712.15:556:03
2812.15:556:03
2912.15:556:04
3012.15:566:04
3112.15:566:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.78 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 5.62 kWh/m² in October across the year — May's 3.78 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.0Bright
34.0Bright
44.0Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in May

Hazard calendar for Cantá

In seasonPeak

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

Cantá's monsoon runs April–August, 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 Cantá?

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

3.0
Sightseeing
11th-best month of the year
4.0
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Cantá.

What to pack for Cantá in May

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

In May, Cantá sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Cantá in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Cantá peaks around March 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 21UV 15Nov 16UV 11
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Cantá 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 Cantá is worst in March — around 31 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1830 µg/m³Jul 2111 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb21Moderate
Mar31Moderate
Apr25Moderate
May14Moderate
Jun12Good
Jul11Good
Aug12Good
Sep12Moderate
Oct13Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Cantá?

Cantá sits at 2.6°N, 60.6°W, 76 m above sea level, in Brazil. The nearest listed city is Boa Vista, 25 km away.

Topography around Cantá

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

Within 3 km, the terrain around Cantá has significant variations in elevation — a maximum elevation change of 268 m around an average of 90 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 417 m; within 80 km, large variations in elevation — a maximum elevation change of 1,013 m.

The land around Cantá is covered by trees (73%) and grassland (24%) within 3 km, trees (64%) and grassland (34%) within 16 km, and trees (50%) and grassland (47%) within 80 km.

3 km
268 m
16 km
417 m
80 km
1,013 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Boa Vista 25 km · Mucajaí 40 km · Alto Alegre 105 km · Caracaraí 106 km · Lethem 123 km · Rorainópolis 186 km · Pacaraima 211 km · Santa Elena de Uairén 229 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 Cantá (2.6103°, -60.5975°, elevation 76 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).