San Antonio weather in June

In June, San Antonio sees average daytime highs of 91°F and overnight lows near 73°F, with 2.7 in of rain across 9.5 wet days and about 13.8 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 44% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 13 h 42 min at the start of June to 13 h 54 min by month's end. Set against the rest of the year, June is San Antonio's 5th-clearest and 5th-windiest month. For the whole year in context, see San Antonio's year-round climate.

Daytime high
91°
3rd warmest
Overnight low
73°
10th coldest
Rainfall
2.7 in
9.5 wet days
Daylight
13 h 54 min
5:38 AM – 7:30 PM
Cloud cover
47%
5th clearest
Wind
7 mph
5th windiest
Solar energy
6.37 kWh/m²
Travel score
3.6
out of 10

San Antonio is city in Bexar, Comal, and Medina counties in Texas, United States; seat of Bexar County.

Density
1,263/km²
people per km²
Founded
1718

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 91°F through the month.

A typical June day in San Antonio reaches about 91°F in the afternoon and slips back to 73°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 85°F and 98°F. Set against its neighbours, June runs about 6°F warmer than May and about 3°F cooler than July.

60°70°80°90°100°151015202530
Avg high (°F)Avg low (°F)
18971
29071
39071
49071
59071
69171
79172
89172
99172
109172
119172
129173
139173
149273
159273
169273
179273
189273
199273
209273
219273
229273
239273
249273
259273
269274
279274
289274
299274
309274

How June really feels in San Antonio

Once humidity and wind are folded in, June averages 30 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
30
heat index over the day's high
Days feeling ≤ 32°F
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.

San Antonio weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 43°2.27.210.35.8
Feb67° / 46°2.37.410.96.5
Mar73° / 53°3.19.211.86.9
Apr80° / 59°3.18.512.76.8
May86° / 67°4.111.213.55.0
Jun91° / 73°2.79.513.83.6
Jul94° / 74°2.06.213.73.1
Aug95° / 74°1.95.813.12.8
Sep89° / 70°3.08.612.24.3
Oct81° / 61°3.37.711.36.8
Nov71° / 51°2.67.210.57.1
Dec64° / 44°2.57.510.16.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 25% of June, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26634
36733
46733
56931
66931
76931
87030
97030
107129
117129
127129
137129
147129
157129
167129
177129
187129
197129
207129
217030
227030
236931
246931
256832
266832
276832
286733
296733
306733

Chance of precipitation in June

Any precipitation

San Antonio gets around 2.7 in of rain over 9.5 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
134
234
333
433
532
631
731
830
930
1030
1130
1230
1331
1431
1531
1631
1732
1832
1932
2033
2133
2233
2333
2434
2534
2634
2733
2833
2933
3032

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1131052340
2131051350
3131050361
413948371
514947391
614946401
714845411
814844421
914843441
1013842451
1113741461
1213741471
1313740481
1413739491
1513739501
1612738511
1712737521
1812737521
1912737521
2012736531
2112736531
2211736541
2311735551
2411735551
2511735551
2611635561
2711635561
2811635561
2911635561
3011635561

Wind in June

Winds average 7 mph in June.

Across June, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
197light breeze
207light breeze
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 13 h 42 min at the start of June to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:39 AM to 5:41 AM, and sunset from 7:24 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:397:24
213.85:397:24
313.85:397:25
413.85:397:25
513.85:387:26
613.85:387:26
713.85:387:27
813.85:387:27
913.85:387:28
1013.85:387:28
1113.85:387:29
1213.95:387:29
1313.95:387:29
1413.95:387:30
1513.95:387:30
1613.95:387:30
1713.95:387:31
1813.95:387:31
1913.95:387:31
2013.95:387:32
2113.95:397:32
2213.95:397:32
2313.95:397:32
2413.95:397:32
2513.95:407:33
2613.95:407:33
2713.95:407:33
2813.95:407:33
2913.95:417:33
3013.95:417:33

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.37 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 6.71 kWh/m² in July across the year — June's 6.37 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
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).

3.6
Sightseeing
10th-best month of the year
6.4
Beach & pool
5th-best month of the year

June is a weaker month for outdoor sightseeing in San Antonio. The water and warmth also suit a beach or pool day.

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 91°F and nights near 73°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in San Antonio in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Antonio peaks around August 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateAug 11UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7Very high
Apr10Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov5High
Dec4Moderate

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 July — around 18 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (October, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Oct 246 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar9Good
Apr10Good
May15Moderate
Jun15Moderate
Jul18Moderate
Aug12Good
Sep10Good
Oct6Good
Nov6Good
Dec7Good
Location & terrain

Where is San Antonio?

San Antonio sits at 29.4°N, 98.5°W, 650 ft above sea level, in United States. The nearest listed city is Converse, 12 mi away.

Topography around San Antonio

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of San Antonio.

Within 2 miles, the terrain around San Antonio has only modest variations in elevation — a maximum elevation change of 174 ft around an average of 669 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 607 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,827 ft.

The land around San Antonio is covered by artificial surfaces (75%) within 2 miles, trees (38%), artificial surfaces (38%) and grassland (20%) within 10 miles, and trees (50%) and grassland (38%) within 50 miles.

2 miles
174 ft
10 miles
607 ft
50 miles
1,827 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
June weather nearby: Converse 12 mi · Live Oak 14 mi · Universal City 15 mi · Schertz 16 mi · Cibolo 19 mi · New Braunfels 29 mi · Seguin 34 mi · Canyon Lake 34 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 (29.4241°, -98.4936°, elevation 650 ft), 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).