Riachão weather in June

In June, Riachão sees average daytime highs of 32°C and overnight lows near 22°C, with 4 mm of rain across 0.6 wet days and about 11.6 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 60% of the time in June, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of June to 11 h 36 min by month's end. Set against the rest of the year, June is Riachão's 4th-clearest and 3rd-windiest month. For the whole year in context, see Riachão's year-round climate.

Daytime high
32°
5th warmest
Overnight low
22°
8th coldest
Rainfall
4 mm
0.6 wet days
Daylight
11 h 36 min
6:19 AM – 5:54 PM
Cloud cover
37%
4th clearest
Wind
11 km/h
3rd windiest
Solar energy
5.37 kWh/m²
Travel score
5.0
out of 10

Riachão is settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical June day in Riachão reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 33°C. Set against its neighbours, June runs about 1°C warmer than May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13222
23222
33222
43222
53222
63222
73222
83222
93222
103222
113222
123222
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293222
303222

How June really feels in Riachão

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.

Riachão weather by month

How June compares with the rest of the year at a glance. June is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°30827.212.43.0
Feb30° / 22°26824.512.23.0
Mar30° / 22°27226.7123.0
Apr31° / 22°14918.411.83.7
May31° / 22°568.611.74.4
Jun32° / 22°40.611.65.0
Jul33° / 22°10.211.64.8
Aug34° / 22°20.411.84.0
Sep35° / 23°162.7123.2
Oct33° / 23°869.912.23.4
Nov31° / 22°18518.312.33.5
Dec30° / 22°22723.512.43.3

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% 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 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27228
37327
47327
57525
67624
77723
87723
97822
107921
117921
128119
138119
148218
158218
168317
178416
188416
198416
208416
218614
228614
238614
248713
258713
268713
278713
288812
298812
308812

Chance of precipitation in June

Any precipitation

Riachão gets around 4 mm of rain over 0.6 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 2% and peaks near 10% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
110
28
37
46
55
64
74
83
93
102
112
122
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the humid band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
102354815
202384713
302414512
403434410
50346429
60449398
70452377
80554356
90656335
100758314
110761293
120862273
130963262
1401163242
1501264231
1601364221
1701564201
1801664191
1901763191
2001962181
2102062171
2202162170
2312260170
2412360160
2512459160
2612559150
2712658141
2812758131
2912858121
3012858121

Wind in June

Winds average 11 km/h in June.

Across June, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 11 h 36 min at the start of June to 11 h 36 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 6:16 AM to 6:22 AM, and sunset from 5:52 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:165:52
211.66:165:52
311.66:165:52
411.66:175:52
511.66:175:52
611.66:175:53
711.66:175:53
811.66:185:53
911.66:185:53
1011.66:185:53
1111.66:185:53
1211.66:195:53
1311.66:195:53
1411.66:195:54
1511.66:195:54
1611.66:195:54
1711.66:205:54
1811.66:205:54
1911.66:205:55
2011.66:205:55
2111.66:215:55
2211.66:215:55
2311.66:215:55
2411.66:215:56
2511.66:215:56
2611.66:225:56
2711.66:225:56
2811.66:225:56
2911.66:225:57
3011.66:225:57

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.37 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 6.55 kWh/m² in September across the year — June's 5.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
Planning a trip in June

Hazard calendar for Riachão

In seasonPeak

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

Riachão's monsoon runs November–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 Riachão?

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

5.0
Sightseeing
1st-best month of the year
8.1
Beach & pool
2nd-best month of the year

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

What to pack for Riachão in June

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

In June, Riachão sees daytime highs around 32°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Riachão in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Riachão peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 21UV 15Jun 22UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in Riachão 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 Riachão is worst in September — around 30 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (June, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateSep 2029 µg/m³Jun 186 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar11Good
Apr11Good
May7Good
Jun6Good
Jul7Good
Aug15Moderate
Sep30Moderate
Oct26Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Riachão?

Riachão sits at 7.4°S, 46.6°W, 385 m above sea level, in Brazil. The nearest listed city is Balsas, 67 km away.

Topography around Riachão

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

Within 3 km, the terrain around Riachão has only modest variations in elevation — a maximum elevation change of 80 m around an average of 378 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 374 m; within 80 km, significant variations in elevation — a maximum elevation change of 475 m.

The land around Riachão is covered by grassland (47%), trees (25%) and shrubs (20%) within 3 km, grassland (45%), trees (33%) and shrubs (21%) within 16 km, and trees (36%), grassland (36%) and shrubs (20%) within 80 km.

3 km
80 m
16 km
374 m
80 km
475 m
treesshrubsgrasslandcroplandartificial surfaces
June weather nearby: Balsas 67 km · Carolina 93 km · Formosa da Serra Negra 112 km · Estreito 128 km · São Raimundo das Mangabeiras 131 km · Porto Franco 143 km · Tocantinópolis 145 km · Sítio Novo 165 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 Riachão (-7.3619°, -46.6172°, elevation 385 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).