Aripuanã weather in May

In May, Aripuanã sees average daytime highs of 30°C and overnight lows near 22°C, with 73 mm of rain across 12.9 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 23% 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 30 min by month's end. Set against the rest of the year, May is Aripuanã's 5th-clearest and 5th-windiest month. For the whole year in context, see Aripuanã's year-round climate.

Daytime high
30°
7th warmest
Overnight low
22°
4th coldest
Rainfall
73 mm
12.9 wet days
Daylight
11 h 30 min
7:08 AM – 6:40 PM
Cloud cover
64%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
4.59 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 30°C through the month.

A typical May day in Aripuanã reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243021
253021
263021
273021
283021
293021
303021
313021

How May really feels in Aripuanã

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.

Aripuanã 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°32229.312.52.9
Feb29° / 22°29726.412.32.9
Mar29° / 22°28129.212.12.9
Apr30° / 22°1852511.83.2
May30° / 22°7312.911.54.6
Jun31° / 21°14311.45.2
Jul33° / 21°71.411.54.6
Aug34° / 22°173.311.73.5
Sep33° / 23°8112.611.93.2
Oct32° / 23°18022.612.23.0
Nov30° / 22°22725.312.53.0
Dec29° / 22°30028.112.63.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 58%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22872
32872
42971
53169
63169
73169
83367
93466
103466
113664
123763
133862
143862
154060
164159
174159
184456
194456
204555
214753
224951
235050
245248
255347
265545
275644
285842
296040
306139
316238

Chance of precipitation in May

Any precipitation

Aripuanã gets around 73 mm of rain over 12.9 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 42% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
161
258
356
455
553
651
750
848
947
1046
1145
1244
1343
1443
1542
1642
1741
1840
1939
2039
2138
2237
2336
2435
2534
2633
2732
2831
2930
3028
3127

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 78% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1029854
2029854
30210853
40210853
50311842
60311842
71311832
81312822
91312822
101312822
111312822
121313812
131313812
141313812
151313812
161314802
171314802
181315792
191316782
200317782
210317782
220318772
230319762
240421732
250422731
260523711
270524701
280626671
290627661
300729631
310730621

Wind in May

Winds average 6 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 30 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 7:06 AM to 7:12 AM, and sunset from 6:44 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:066:44
211.67:066:44
311.67:066:44
411.67:066:43
511.67:066:43
611.67:066:43
711.67:066:42
811.67:076:42
911.67:076:42
1011.67:076:41
1111.67:076:41
1211.67:076:41
1311.67:076:41
1411.57:086:40
1511.57:086:40
1611.57:086:40
1711.57:086:40
1811.57:086:40
1911.57:096:40
2011.57:096:39
2111.57:096:39
2211.57:096:39
2311.57:106:39
2411.57:106:39
2511.57:106:39
2611.57:106:39
2711.57:116:39
2811.57:116:39
2911.57:116:39
3011.57:116:39
3111.57:126:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.59 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 5.57 kWh/m² in September across the year — May's 4.59 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in May

Hazard calendar for Aripuanã

In seasonPeak

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

Aripuanã'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 Aripuanã?

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

4.6
Sightseeing
2nd-best month of the year
6.3
Beach & pool
4th-best month of the year

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

What to pack for Aripuanã in May

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

In May, Aripuanã sees daytime highs around 30°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Aripuanã 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 Aripuanã peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeFeb 16UV 15Sep 14UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep4Moderate
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Aripuanã 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 Aripuanã is worst in September — around 89 µg/m³ PM2.5 (unhealthy), about 14.4× the cleanest month (July, 6 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecGoodUnhealthyModerateSep 1583 µg/m³Jul 107 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr9Good
May8Good
Jun8Good
Jul6Good
Aug41Poor
Sep89Unhealthy
Oct26Moderate
Nov17Moderate
Dec12Moderate
Location & terrain

Where is Aripuanã?

Aripuanã sits at 10.2°S, 59.4°W, 191 m above sea level, in Brazil. The nearest listed city is Colniza, 97 km away.

Pimenta BuenoCacoalBrasnorteJi Paraná

Topography around Aripuanã

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

Within 3 km, the terrain around Aripuanã has only modest variations in elevation — a maximum elevation change of 193 m around an average of 231 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 284 m; within 80 km, significant variations in elevation — a maximum elevation change of 449 m.

The land around Aripuanã is covered by trees (53%) and grassland (29%) within 3 km, trees (65%) and grassland (32%) within 16 km, and trees (81%) within 80 km.

3 km
193 m
16 km
284 m
80 km
449 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Colniza 97 km · Juína 158 km · Espigão dOeste 227 km · Juara 243 km · Pimenta Bueno 253 km · Cacoal 259 km · Brasnorte 268 km · Ji Paraná 285 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 Aripuanã (-10.1765°, -59.4491°, elevation 191 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).