Alcântara weather in June

In June, Alcântara sees average daytime highs of 29°C and overnight lows near 25°C, with 129 mm of rain across 20.8 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 38% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of June to 11 h 54 min by month's end. Set against the rest of the year, June is Alcântara's 5th-clearest and 9th-windiest month. For the whole year in context, see Alcântara's year-round climate.

Daytime high
29°
8th warmest
Overnight low
25°
6th coldest
Rainfall
129 mm
20.8 wet days
Daylight
11 h 54 min
6:02 AM – 5:54 PM
Cloud cover
52%
5th clearest
Wind
10 km/h
9th windiest
Solar energy
4.94 kWh/m²
Travel score
4.0
out of 10

Alcântara is town in Maranhao, 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 29°C through the month.

A typical June day in Alcântara reaches about 29°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, June runs on par with May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925

How June really feels in Alcântara

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.

Alcântara weather by month

How June compares with the rest of the year at a glance. June is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°18824.212.13.4
Feb29° / 25°26025.812.13.1
Mar29° / 24°39130.3122.9
Apr29° / 25°37628.711.93.0
May29° / 25°26526.511.93.3
Jun29° / 25°12920.811.94.0
Jul30° / 25°8317.111.94.7
Aug30° / 25°236.811.95.5
Sep31° / 26°112.2125.8
Oct31° / 26°122.712.15.7
Nov31° / 26°214.912.15.3
Dec30° / 26°5812.612.14.5

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 29% 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 (%)
15347
25545
35644
45644
55743
65842
75941
86040
96139
106238
116337
126436
136535
146634
156733
166832
176832
186931
197030
207129
217129
227327
237327
247426
257525
267525
277525
287525
297525
307525

Chance of precipitation in June

Any precipitation

Alcântara gets around 129 mm of rain over 20.8 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 70% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
176
275
375
474
573
673
773
872
972
1072
1171
1271
1371
1471
1570
1670
1770
1869
1969
2069
2168
2268
2368
2468
2567
2667
2767
2867
2966
3066

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
14753
24951
35050
45149
55347
65446
75545
85644
95743
105842
115941
126040
136040
146139
156139
166238
176337
186436
196535
206634
216832
226931
237129
247228
257426
267624
277723
287921
298020
308218

Wind in June

Winds average 10 km/h in June.

Across June, daily wind ranges from about 10 km/h on the calmest days to 10 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
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 11 h 54 min at the start of June to 11 h 54 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 5:59 AM to 6:05 AM, and sunset from 5:51 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:595:51
211.95:595:51
311.95:595:52
411.96:005:52
511.96:005:52
611.96:005:52
711.96:005:52
811.96:005:52
911.96:015:52
1011.96:015:53
1111.96:015:53
1211.96:015:53
1311.96:015:53
1411.96:025:53
1511.96:025:54
1611.96:025:54
1711.96:025:54
1811.96:025:54
1911.96:035:54
2011.96:035:55
2111.96:035:55
2211.96:035:55
2311.96:045:55
2411.96:045:55
2511.96:045:56
2611.96:045:56
2711.96:045:56
2811.96:055:56
2911.96:055:56
3011.96:055:57

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.94 kWh/m².

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.31 kWh/m² in October across the year — June's 4.94 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in June

Hazard calendar for Alcântara

In seasonPeak

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

Alcântara's monsoon runs January–May, 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 Alcântara?

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

4.0
Sightseeing
7th-best month of the year
5.3
Beach & pool
7th-best month of the year

June is a reasonable time to visit Alcântara for sightseeing.

What to pack for Alcântara in June

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

In June, Alcântara sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Alcântara in June

The nearest coast averages about 29°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 29°C and coldest in October near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Warm
Oct28Warm
Nov28Warm
Dec28Tropical

UV index in Alcântara 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 Alcântara peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Alcântara 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 Alcântara is worst in February — around 18 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (July, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 2018 µg/m³Jul 157 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb18Moderate
Mar18Moderate
Apr13Moderate
May8Good
Jun7Good
Jul7Good
Aug8Good
Sep9Good
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Alcântara?

Alcântara sits at 2.4°S, 44.4°W, 32 m above sea level, in Brazil. The nearest listed city is São Luís, 19 km away.

Topography around Alcântara

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

Within 3 km, the terrain around Alcântara has only modest variations in elevation — a maximum elevation change of 58 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, only modest variations in elevation — a maximum elevation change of 102 m.

The land around Alcântara is covered by water (35%), trees (29%) and mangroves (27%) within 3 km, water (53%) and trees (33%) within 16 km, and water (38%) and trees (35%) within 80 km.

3 km
58 m
16 km
64 m
80 km
102 m
treesgrasslandartificial surfaceswaterwetlandmangroves
June weather nearby: São Luís 19 km · Raposa 35 km · Paço do Lumiar 37 km · Bequimão 41 km · São José de Ribamar 43 km · São Bento 55 km · Icatu 57 km · Palmeirândia 60 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 Alcântara (-2.4041°, -44.4167°, elevation 32 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).