San Antonio weather in June

In June, San Antonio sees average daytime highs of 23°C and overnight lows near 14°C, with 112 mm of rain across 8.6 wet days and about 10.4 hours of daylight. It is the 11th-warmest and 10th-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 41% of the time in June, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of June to 10 h 24 min by month's end. Set against the rest of the year, June is San Antonio's 9th-clearest and 5th-windiest month. For the whole year in context, see San Antonio's year-round climate.

Daytime high
23°
11th warmest
Overnight low
14°
2nd coldest
Rainfall
112 mm
8.6 wet days
Daylight
10 h 24 min
7:38 AM – 6:03 PM
Cloud cover
53%
9th clearest
Wind
13 km/h
5th windiest
Solar energy
2.75 kWh/m²
Travel score
7.0
out of 10

San Antonio is city in the Central Department, Paraguay.

Density
2,424/km²
people per km²
Founded
1903

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 23°C through the month.

A typical June day in San Antonio reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 29°C. Set against its neighbours, June runs about 2°C cooler than May and on par with July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62314
72314
82314
92314
102314
112315
122315
132315
142315
152314
162314
172314
182314
192314
202314
212314
222314
232314
242314
252214
262214
272214
282214
292214
302214

How June really feels in San Antonio

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.

San Antonio weather by month

How June compares with the rest of the year at a glance. June is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°12212.413.43.5
Feb32° / 23°14712.312.93.8
Mar31° / 21°12110.812.24.6
Apr28° / 19°1559.411.46.2
May24° / 16°1428.910.87.1
Jun23° / 14°1128.610.47.0
Jul23° / 13°797.710.67.4
Aug25° / 14°686.811.17.7
Sep27° / 16°1138.711.86.9
Oct29° / 19°1981212.65.4
Nov30° / 20°18811.113.24.9
Dec32° / 22°16512.613.63.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 9% of June, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25149
35149
45248
55347
65347
75347
85347
95347
105248
115248
125248
135149
145149
155149
165050
175050
185050
194951
204951
214951
224852
234753
244753
254852
264852
274852
284951
294951
304951

Chance of precipitation in June

Any precipitation

San Antonio gets around 112 mm of rain over 8.6 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 29% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
131
231
330
430
529
629
728
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1829
1929
2029
2129
2230
2330
2430
2529
2629
2729
2829
2929
3029

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1372123172
2372123172
3372023182
4372024182
5362024181
6361925191
7351926191
8351827191
9341828181
10341830181
11341730181
12341731171
13341731171
14341732161
15351732160
16351732150
17351732150
18361733140
19361733140
20361732140
21371732130
22371832130
23381831130
24381831130
25381930130
26381930130
27382029130
28382029120
29382128120
30382228120

Wind in June

Winds average 13 km/h in June.

Across June, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 10 h 30 min at the start of June to 10 h 24 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 7:32 AM to 7:40 AM, and sunset from 6:04 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.57:326:04
210.57:326:04
310.57:336:03
410.57:336:03
510.57:336:03
610.57:346:03
710.57:346:03
810.57:356:03
910.57:356:03
1010.57:366:03
1110.47:366:03
1210.47:366:03
1310.47:376:03
1410.47:376:03
1510.47:376:03
1610.47:386:03
1710.47:386:03
1810.47:386:03
1910.47:396:04
2010.47:396:04
2110.47:396:04
2210.47:396:04
2310.47:396:04
2410.47:406:05
2510.47:406:05
2610.47:406:05
2710.47:406:05
2810.47:406:06
2910.47:406:06
3010.47:406:06

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 2.75 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.75 kWh/m² to a high of 6.74 kWh/m² in January across the year — June's 2.75 kWh/m² sits near the bottom.

0123151015202530
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
32.9Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.8Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.8Moderate
Planning a trip in June

Is June a good time to visit San Antonio?

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

7.0
Sightseeing
4th-best month of the year
5.3
Beach & pool
12th-best month of the year

June is one of the better times to visit San Antonio for general sightseeing.

What to pack for San Antonio in June

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

In June, San Antonio sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in San Antonio 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 San Antonio peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateVery highExtremeJan 18UV 14Jun 23UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr9Very high
May6High
Jun5Moderate
Jul5Moderate
Aug5Moderate
Sep8Very high
Oct7Very high
Nov12Extreme
Dec13Extreme

Air quality in San Antonio 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 San Antonio is worst in September — around 33 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 933 µg/m³Dec 1312 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar18Moderate
Apr13Moderate
May13Moderate
Jun14Moderate
Jul17Moderate
Aug32Moderate
Sep33Moderate
Oct21Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is San Antonio?

San Antonio sits at 25.4°S, 57.5°W, 123 m above sea level, in Paraguay. The nearest listed city is Nemby, 3.0 km away.

Topography around San Antonio

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

Within 3 km, the terrain around San Antonio has only modest variations in elevation — a maximum elevation change of 119 m around an average of 105 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 155 m; within 80 km, significant variations in elevation — a maximum elevation change of 529 m.

The land around San Antonio is covered by trees (59%) and artificial surfaces (26%) within 3 km, trees (56%), grassland (20%) and artificial surfaces (20%) within 16 km, and grassland (51%) and trees (42%) within 80 km.

3 km
119 m
16 km
155 m
80 km
529 m
treesgrasslandcroplandartificial surfaceswaterwetland
June weather nearby: Nemby 3.0 km · Villa Elisa 8.0 km · Fernando de la Mora 10 km · San Lorenzo 10 km · Lambaré 10 km · Capiatá 13 km · Asuncion 18 km · Itauguá 20 km

Paraguay travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / N
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$7,027
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
64%
of population, 2024
Homicide rate
6.8
per 100k, 2023
Road deaths
22
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 531
Religion
Roman Catholic 80%Protestant 7%Believer 6%other 1%

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 San Antonio (-25.4213°, -57.5472°, elevation 123 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).