Porto Velho weather in June

In June, Porto Velho sees average daytime highs of 31°C and overnight lows near 23°C, with 44 mm of rain across 9.5 wet days and about 11.5 hours of daylight. It is the 6th-warmest and 10th-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 45% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of June to 11 h 30 min by month's end. Set against the rest of the year, June is Porto Velho's 3rd-clearest and 4th-windiest month. For the whole year in context, see Porto Velho's year-round climate.

Daytime high
31°
6th warmest
Overnight low
23°
2nd coldest
Rainfall
44 mm
9.5 wet days
Daylight
11 h 30 min
6:31 AM – 6:01 PM
Cloud cover
47%
3rd clearest
Wind
5 km/h
4th windiest
Solar energy
4.51 kWh/m²
Travel score
4.9
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical June day in Porto Velho reaches about 31°C in the afternoon and slips back to 23°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 33°C. Set against its neighbours, June runs on par with May and about 1°C cooler than July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153123
163123
173123
183123
193123
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122

How June really feels in Porto Velho

Once humidity and wind are folded in, June 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 June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Porto Velho weather by month

How June compares with the rest of the year at a glance. June is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°30328.612.52.8
Feb30° / 24°31426.712.32.7
Mar30° / 24°32829.512.12.7
Apr30° / 24°22826.411.82.9
May30° / 23°13321.511.63.6
Jun31° / 23°449.511.54.9
Jul31° / 22°224.711.55.1
Aug33° / 23°427.611.73.9
Sep33° / 24°10316.711.93.1
Oct32° / 24°17823.312.22.7
Nov31° / 24°24626.312.42.7
Dec30° / 24°29828.712.52.7

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 21% of June, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24852
35050
45149
55446
65644
75842
86040
96238
106436
116535
126634
136832
146832
156832
167030
177030
187129
197129
207228
217327
227327
237327
247327
257426
267426
277624
287624
297624
307723

Chance of precipitation in June

Any precipitation

Porto Velho gets around 44 mm of rain over 9.5 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
152
250
349
447
545
643
741
839
937
1036
1134
1233
1331
1430
1529
1628
1727
1827
1926
2026
2126
2226
2326
2425
2525
2625
2725
2824
2924
3023

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the oppressive band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10154945
20155044
30155143
40165142
50165241
60165340
70165439
80165538
90165637
100165736
110165835
120165934
130175933
140176032
150176131
160186130
170186229
181196128
191296127
2012106126
2112116125
2212126124
2312136123
2412136222
2512146221
2612156220
2712166219
2812176218
2912176317
3012186415

Wind in June

Winds average 5 km/h in June.

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

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
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

Sunrise & sunset in June

DaylightNight

Daylight runs from about 11 h 30 min at the start of June to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over June. Sunrise moves from 6:27 AM to 6:34 AM, and sunset from 5:59 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:275:59
211.56:285:59
311.56:285:59
411.56:285:59
511.56:285:59
611.56:295:59
711.56:295:59
811.56:295:59
911.56:296:00
1011.56:306:00
1111.56:306:00
1211.56:306:00
1311.56:306:00
1411.56:316:00
1511.56:316:00
1611.56:316:01
1711.56:316:01
1811.56:326:01
1911.56:326:01
2011.56:326:01
2111.56:326:02
2211.56:326:02
2311.56:336:02
2411.56:336:02
2511.56:336:02
2611.56:336:03
2711.56:336:03
2811.56:346:03
2911.56:346:03
3011.56:346:04

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.51 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 5.52 kWh/m² in September across the year — June's 4.51 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in June

Hazard calendar for Porto Velho

In seasonPeak

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

Porto Velho's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Porto Velho?

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

4.9
Sightseeing
2nd-best month of the year
6.9
Beach & pool
2nd-best month of the year

June is a reasonable time to visit Porto Velho for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Porto Velho in June

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

In June, Porto Velho sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Porto Velho in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Porto Velho peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 11 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 20UV 15Sep 11UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug5High
Sep4Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Porto Velho in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Porto Velho is worst in August — around 101 µg/m³ PM2.5 (unhealthy), about 9.5× the cleanest month (May, 11 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateAug 24100 µg/m³May 1611 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar15Moderate
Apr12Good
May11Good
Jun12Good
Jul34Moderate
Aug101Unhealthy
Sep100Unhealthy
Oct36Poor
Nov20Moderate
Dec15Moderate
Location & terrain

Where is Porto Velho?

Porto Velho sits at 8.8°S, 63.9°W, 90 m above sea level, in Brazil. The nearest listed city is Candeias do Jamari, 23 km away.

Topography around Porto Velho

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

Within 3 km, the terrain around Porto Velho has only modest variations in elevation — a maximum elevation change of 47 m around an average of 76 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, significant variations in elevation — a maximum elevation change of 342 m.

The land around Porto Velho is covered by artificial surfaces (54%) and trees (23%) within 3 km, trees (54%) and grassland (29%) within 16 km, and trees (75%) and grassland (20%) within 80 km.

3 km
47 m
16 km
130 m
80 km
342 m
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Candeias do Jamari 23 km · Alto Paraíso 125 km · Ariquemes 159 km · Buritis 161 km · Humaitá 169 km · Lábrea 193 km · Machadinho d'Oeste 224 km · Nova Mamoré 240 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 Porto Velho (-8.7619°, -63.9039°, elevation 90 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).