Juína weather in May

In May, Juína sees average daytime highs of 30°C and overnight lows near 21°C, with 54 mm of rain across 10.5 wet days and about 11.5 hours of daylight. It is the 7th-warmest and 9th-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 29% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 24 min by month's end. Set against the rest of the year, May is Juína's 5th-clearest and 5th-windiest month. For the whole year in context, see Juína's year-round climate.

Daytime high
30°
7th warmest
Overnight low
21°
4th coldest
Rainfall
54 mm
10.5 wet days
Daylight
11 h 30 min
7:07 AM – 6:36 PM
Cloud cover
60%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
4.66 kWh/m²
Travel score
5.0
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 Juína reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°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 on par with April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263020
273020
283020
293020
303020
313020

How May really feels in Juína

Once humidity and wind are folded in, May averages 30 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
30
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.

Juína weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°30228.912.62.9
Feb29° / 22°28626.912.42.9
Mar29° / 22°26228.712.12.9
Apr30° / 22°1432211.83.6
May30° / 21°5410.511.55.0
Jun30° / 20°112.311.35.9
Jul31° / 19°4111.45.6
Aug33° / 20°122.311.64.4
Sep33° / 22°6711.111.93.5
Oct32° / 22°16421.812.33.0
Nov30° / 22°24926.212.52.9
Dec29° / 22°29128.412.72.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23466
33565
43565
53763
63763
73862
83961
93961
104159
114159
124357
134456
144555
154654
164852
174951
185050
195248
205347
215545
225644
235842
245941
256139
266337
276436
286535
296733
306832
316931

Chance of precipitation in May

Any precipitation

Juína gets around 54 mm of rain over 10.5 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 34% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
246
344
442
541
640
738
837
937
1036
1135
1234
1334
1434
1534
1634
1733
1833
1933
2033
2132
2232
2331
2430
2529
2628
2727
2826
2925
3024
3122

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 90% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101415791
202416771
302417761
402418760
502419750
602419740
712420730
812421720
912522700
1012523690
1112524680
1212525670
1312526660
1412527650
1512528640
1612529630
1712630610
1802631610
1902732590
2002734570
2102835550
2202836540
2302937520
24021037510
25021038500
26021139480
27021239470
28011340450
29011441440
30011541420
31011642400

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
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 24 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 7:04 AM to 7:11 AM, and sunset from 6:40 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:046:40
211.67:046:40
311.67:046:39
411.67:056:39
511.67:056:39
611.67:056:38
711.57:056:38
811.57:056:38
911.57:066:37
1011.57:066:37
1111.57:066:37
1211.57:066:37
1311.57:066:36
1411.57:076:36
1511.57:076:36
1611.57:076:36
1711.57:076:35
1811.57:076:35
1911.57:086:35
2011.47:086:35
2111.47:086:35
2211.47:086:35
2311.47:096:34
2411.47:096:34
2511.47:096:34
2611.47:096:34
2711.47:106:34
2811.47:106:34
2911.47:106:34
3011.47:116:34
3111.47:116:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.66 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 5.67 kWh/m² in September across the year — May's 4.66 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Juína

In seasonPeak

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

Juína's monsoon runs October–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 Juína?

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

5.0
Sightseeing
3rd-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for Juína in May

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

In May, Juína sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Juína in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Juína peaks around January 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 23UV 15Sep 15UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Juína 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 Juína is worst in September — around 58 µg/m³ PM2.5 (unhealthy), about 6.8× the cleanest month (July, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1554 µg/m³Apr 219 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr9Good
May9Good
Jun11Good
Jul9Good
Aug29Moderate
Sep58Unhealthy
Oct23Moderate
Nov16Moderate
Dec12Moderate
Location & terrain

Where is Juína?

Juína sits at 11.4°S, 58.8°W, 353 m above sea level, in Brazil. The nearest listed city is Brasnorte, 113 km away.

Espigão dOestePimenta Bueno

Topography around Juína

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

Within 3 km, the terrain around Juína has only modest variations in elevation — a maximum elevation change of 68 m around an average of 340 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 228 m; within 80 km, significant variations in elevation — a maximum elevation change of 321 m.

The land around Juína is covered by grassland (49%), artificial surfaces (28%) and trees (20%) within 3 km, grassland (63%) and trees (34%) within 16 km, and trees (66%) and grassland (29%) within 80 km.

3 km
68 m
16 km
228 m
80 km
321 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Brasnorte 113 km · Juara 136 km · Aripuanã 158 km · Vilhena 211 km · Colniza 226 km · Sapezal 236 km · Espigão dOeste 246 km · Pimenta Bueno 267 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 Juína (-11.4205°, -58.7549°, elevation 353 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).