Cacoal weather in June

In June, Cacoal sees average daytime highs of 31°C and overnight lows near 20°C, with 17 mm of rain across 3.5 wet days and about 11.3 hours of daylight. It is the 5th-warmest and 11th-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 59% of the time in June, and the air most often feels muggy.

Daylight stretches from about 11 h 24 min at the start of June to 11 h 18 min by month's end. Set against the rest of the year, June is Cacoal's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Cacoal's year-round climate.

Daytime high
31°
5th warmest
Overnight low
20°
2nd coldest
Rainfall
17 mm
3.5 wet days
Daylight
11 h 18 min
6:26 AM – 5:46 PM
Cloud cover
39%
3rd clearest
Wind
6 km/h
3rd windiest
Solar energy
4.7 kWh/m²
Travel score
5.5
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 Cacoal reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°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 about 1°C warmer than May and about 1°C cooler than July.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83020
93120
103120
113120
123120
133120
143120
153120
163120
173120
183120
193120
203120
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120

How June really feels in Cacoal

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.

Cacoal weather by month

How June compares with the rest of the year at a glance. June is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°30829.312.62.8
Feb29° / 22°29726.412.42.8
Mar30° / 22°27028.212.12.9
Apr30° / 22°15122.311.83.4
May30° / 21°7713.411.54.7
Jun31° / 20°173.511.35.5
Jul32° / 20°112.111.45.1
Aug33° / 21°264.811.64.0
Sep33° / 22°9014.211.93.1
Oct32° / 23°15721.812.32.8
Nov31° / 23°2392512.52.8
Dec30° / 23°28427.912.72.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 18% of June, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26733
36931
47030
57129
67228
77426
87426
97624
107624
117624
127822
137822
147822
157822
167822
177822
187822
197822
207921
217921
227921
237921
247921
258020
268020
278020
288218
298218
308416

Chance of precipitation in June

Any precipitation

Cacoal gets around 17 mm of rain over 3.5 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 13% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
128
226
324
423
521
619
718
816
915
1013
1112
1211
1311
1410
159
169
179
189
198
208
219
229
239
249
259
269
2710
2810
2910
3010

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101929601
201931590
301933570
401936540
501939510
6021041470
7021044450
8021046420
9021048400
10021149370
11021251350
12021253330
13021353320
14131551300
15131652280
16131752270
17141852250
18142051240
19152150230
20152348220
21262447220
22262545220
23272744210
24272842210
25282941210
26283039200
27293238190
28293337190
29293436180
302103536170

Wind in June

Winds average 6 km/h in June.

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

0246810151015202530
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
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 11 h 24 min at the start of June to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over June. Sunrise moves from 6:22 AM to 6:29 AM, and sunset from 5:45 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:225:45
211.46:225:45
311.46:225:45
411.46:235:45
511.46:235:45
611.46:235:45
711.46:245:45
811.46:245:45
911.36:245:45
1011.36:245:45
1111.36:255:45
1211.36:255:45
1311.36:255:46
1411.36:265:46
1511.36:265:46
1611.36:265:46
1711.36:265:46
1811.36:275:46
1911.36:275:47
2011.36:275:47
2111.36:275:47
2211.36:275:47
2311.36:285:47
2411.36:285:48
2511.36:285:48
2611.36:285:48
2711.36:285:48
2811.36:295:49
2911.36:295:49
3011.36:295:49

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.7 kWh/m².

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 5.88 kWh/m² in October across the year — June's 4.7 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in June

Hazard calendar for Cacoal

In seasonPeak

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

Cacoal'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 June a good time to visit Cacoal?

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

5.5
Sightseeing
1st-best month of the year
7.9
Beach & pool
2nd-best month of the year

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

What to pack for Cacoal in June

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

In June, Cacoal sees daytime highs around 31°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in Cacoal 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 Cacoal peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 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 22UV 15Sep 14UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep3Moderate
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Cacoal 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 Cacoal is worst in September — around 53 µg/m³ PM2.5 (poor), about 6.8× the cleanest month (July, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1550 µg/m³Jul 98 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar12Good
Apr10Good
May9Good
Jun8Good
Jul8Good
Aug31Moderate
Sep53Poor
Oct21Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Cacoal?

Cacoal sits at 11.4°S, 61.4°W, 197 m above sea level, in Brazil. The nearest listed city is Pimenta Bueno, 38 km away.

Topography around Cacoal

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

Within 3 km, the terrain around Cacoal has only modest variations in elevation — a maximum elevation change of 80 m around an average of 189 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 262 m; within 80 km, significant variations in elevation — a maximum elevation change of 434 m.

The land around Cacoal is covered by artificial surfaces (45%), trees (27%) and grassland (25%) within 3 km, grassland (68%) and trees (27%) within 16 km, and grassland (60%) and trees (39%) within 80 km.

3 km
80 m
16 km
262 m
80 km
434 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Pimenta Bueno 38 km · Espigão dOeste 48 km · Rolim de Moura 56 km · Presidente Médici 58 km · Alta Floresta d'Oeste 81 km · Ji Paraná 83 km · Ouro Preto do Oeste 114 km · São Miguel do Guaporé 141 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 Cacoal (-11.4386°, -61.4472°, elevation 197 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).