Santa Helena weather in June

In June, Santa Helena sees average daytime highs of 23°C and overnight lows near 15°C, with 114 mm of rain across 8.8 wet days and about 10.5 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 43% of the time in June, and the air most often feels humid.

Daylight stretches from about 10 h 36 min at the start of June to 10 h 30 min by month's end. Set against the rest of the year, June is Santa Helena's 5th-clearest and 4th-windiest month. For the whole year in context, see Santa Helena's year-round climate.

Daytime high
23°
12th warmest
Overnight low
15°
2nd coldest
Rainfall
114 mm
8.8 wet days
Daylight
10 h 30 min
8:24 AM – 6:52 PM
Cloud cover
51%
5th clearest
Wind
12 km/h
4th windiest
Solar energy
2.97 kWh/m²
Travel score
7.1
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical June day in Santa Helena reaches about 23°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, June runs about 1°C cooler than May and on par with July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52315
62315
72315
82315
92315
102315
112315
122315
132315
142315
152315
162315
172315
182315
192315
202315
212315
222315
232315
242315
252315
262315
272315
282315
292315
302315

How June really feels in Santa Helena

Once humidity and wind are folded in, June averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Santa Helena weather by month

How June compares with the rest of the year at a glance. June is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°12815.213.43.9
Feb31° / 23°12513.812.94.0
Mar30° / 22°1011212.24.7
Apr28° / 19°1068.411.46.3
May24° / 16°1399.110.87.1
Jun23° / 15°1148.810.57.1
Jul23° / 14°997.910.67.4
Aug25° / 15°856.511.17.7
Sep27° / 17°1339.211.86.8
Oct29° / 20°16212.612.65.3
Nov30° / 21°13311.613.24.9
Dec31° / 22°15414.413.54.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 11% of June, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35248
45248
55446
65545
75545
85644
95743
105743
115743
125743
135743
145743
155743
165743
175644
185644
195545
205446
215347
225347
235347
245248
255248
265248
275248
285248
295347
305347

Chance of precipitation in June

Any precipitation

Santa Helena gets around 114 mm of rain over 8.8 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 29% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
130
230
329
428
528
627
727
826
926
1026
1126
1227
1327
1427
1527
1628
1728
1829
1930
2030
2131
2232
2332
2432
2532
2632
2732
2832
2931
3031

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1302729131
2302729131
3302630130
4302630130
5302631130
6302632120
7292633120
8282633120
9282634110
10272735110
11272736100
12262737100
1326283790
1426283790
1525293880
1625303880
1725313870
1825313870
1925323860
2025323760
2125323760
2225333750
2325333750
2425333750
2525333750
2625333750
2725333750
2825333750
2925333650
3026333650

Wind in June

Winds average 12 km/h in June.

Across June, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 10 h 36 min at the start of June to 10 h 30 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 8:18 AM to 8:26 AM, and sunset from 6:52 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.68:186:52
210.68:186:52
310.68:196:52
410.58:196:52
510.58:196:51
610.58:206:51
710.58:206:51
810.58:216:51
910.58:216:51
1010.58:226:51
1110.58:226:51
1210.58:226:51
1310.58:236:51
1410.58:236:51
1510.58:236:51
1610.58:246:52
1710.58:246:52
1810.58:246:52
1910.58:246:52
2010.58:256:52
2110.58:256:52
2210.58:256:52
2310.58:256:53
2410.58:266:53
2510.58:266:53
2610.58:266:53
2710.58:266:54
2810.58:266:54
2910.58:266:54
3010.58:266:55

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 2.97 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.97 kWh/m² to a high of 6.39 kWh/m² in December across the year — June's 2.97 kWh/m² sits near the bottom.

01234151015202530
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
Planning a trip in June

Is June a good time to visit Santa Helena?

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

7.1
Sightseeing
3rd-best month of the year
5.4
Beach & pool
12th-best month of the year

June is one of the better times to visit Santa Helena for general sightseeing.

What to pack for Santa Helena in June

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

In June, Santa Helena sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Santa Helena in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Helena peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 19UV 15Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug7High
Sep6High
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Santa Helena 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 Santa Helena is worst in September — around 21 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1620 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar6Good
Apr7Good
May7Good
Jun8Good
Jul7Good
Aug12Moderate
Sep21Moderate
Oct12Good
Nov8Good
Dec7Good
Location & terrain

Where is Santa Helena?

Santa Helena sits at 24.9°S, 54.3°W, 254 m above sea level, in Brazil. The nearest listed city is Marechal Cândido Rondon, 44 km away.

Topography around Santa Helena

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

Within 3 km, the terrain around Santa Helena has only modest variations in elevation — a maximum elevation change of 72 m around an average of 238 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 259 m; within 80 km, large variations in elevation — a maximum elevation change of 674 m.

The land around Santa Helena is covered by cropland (31%), trees (30%) and water (20%) within 3 km, trees (33%), cropland (31%) and water (28%) within 16 km, and cropland (57%) and trees (28%) within 80 km.

3 km
72 m
16 km
259 m
80 km
674 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Marechal Cândido Rondon 44 km · Medianeira 54 km · Matelândia 55 km · São Miguel do Iguaçu 55 km · Toledo 62 km · Santa Terezinha de Itaipu 65 km · Ciudad del Este 78 km · Foz do Iguacu 81 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 Santa Helena (-24.8603°, -54.3328°, elevation 254 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).