Mucajaí weather in May

In May, Mucajaí sees average daytime highs of 30°C and overnight lows near 23°C, with 392 mm of rain across 27.7 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 4% 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 Mucajaí's 12th-clearest and 8th-windiest month. For the whole year in context, see Mucajaí's year-round climate.

Daytime high
30°
10th warmest
Overnight low
23°
4th coldest
Rainfall
392 mm
27.7 wet days
Daylight
12 h 06 min
5:57 AM – 6:03 PM
Cloud cover
83%
12th clearest
Wind
4 km/h
8th windiest
Solar energy
3.75 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 Mucajaí 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 2°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
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
272923
282923
292923
302923
312923

How May really feels in Mucajaí

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.

Mucajaí 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°467.811.94.1
Feb32° / 24°427.411.93.9
Mar33° / 24°7610.5123.5
Apr31° / 24°24218.812.13.3
May30° / 23°39227.712.13.0
Jun29° / 23°35028.212.13.0
Jul29° / 22°27728.712.13.1
Aug30° / 23°19225.412.13.1
Sep32° / 23°11418123.4
Oct32° / 24°9114.711.93.4
Nov32° / 24°11216.211.93.3
Dec32° / 24°8112.911.93.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31585
41387
51387
61387
71288
81189
91189
101189
111189
121189
131189
141288
151288
161288
171486
181486
191486
201585
211684
221684
231684
241684
251684
261585
271585
281585
291585
301585
311585

Chance of precipitation in May

Any precipitation

Mucajaí gets around 392 mm of rain over 27.7 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 88% 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 (%)
179
280
381
482
583
684
785
886
987
1088
1189
1289
1389
1490
1590
1690
1790
1890
1990
2090
2190
2290
2390
2491
2591
2691
2791
2891
2992
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 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
127523
217623
317623
417623
517623
617524
717524
817524
917425
1017425
1117425
1217425
1307525
1407525
1507525
1607525
1707525
1807525
1907624
2007624
2107624
2207723
2307723
2407822
2507822
2607921
2708020
2808020
2908119
3008218
3108218

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:58 AM to 5:57 AM, and sunset from 6:03 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:586:03
212.15:586:03
312.15:586:03
412.15:586:03
512.15:586:03
612.15:576:03
712.15:576:03
812.15:576:03
912.15:576:03
1012.15:576:03
1112.15:576:03
1212.15:576:03
1312.15:576:03
1412.15:576:03
1512.15:576:03
1612.15:576:03
1712.15:576:03
1812.15:576:03
1912.15:576:03
2012.15:576:03
2112.15:576:04
2212.15:576:04
2312.15:576:04
2412.15:576:04
2512.15:576:04
2612.15:576:04
2712.15:576:04
2812.15:576:04
2912.15:576:05
3012.15:576:05
3112.15:576:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.75 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 5.6 kWh/m² in October across the year — May's 3.75 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Moderate
54.0Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in May

Hazard calendar for Mucajaí

In seasonPeak

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

Mucajaí'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 Mucajaí?

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
4.1
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Mucajaí.

What to pack for Mucajaí in May

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

In May, Mucajaí 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 Mucajaí 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 Mucajaí 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
Apr14Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Mucajaí 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 Mucajaí 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 Mucajaí?

Mucajaí sits at 2.4°N, 60.9°W, 83 m above sea level, in Brazil. The nearest listed city is Cantá, 40 km away.

Topography around Mucajaí

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

Within 3 km, the terrain around Mucajaí has only modest variations in elevation — a maximum elevation change of 108 m around an average of 83 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 296 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,406 m.

The land around Mucajaí is covered by grassland (59%) and trees (33%) within 3 km, trees (61%) and grassland (33%) within 16 km, and trees (64%) and grassland (33%) within 80 km.

3 km
108 m
16 km
296 m
80 km
1,406 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Cantá 40 km · Boa Vista 50 km · Caracaraí 73 km · Alto Alegre 83 km · Lethem 161 km · Rorainópolis 175 km · Pacaraima 223 km · Santa Elena de Uairén 241 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 Mucajaí (2.4399°, -60.9115°, elevation 83 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).