San Antonio, TX weather in June
San Antonio is hot and oppressively humid in June, with some rain: highs average 92°F and nights drop to about 73°F. There are about 7 days with rain. Midday heat is the main thing to plan around.
- Normal high
- 92°F
- Normal low
- 73°F
- Wet days
- 7
- 3.3 in total
- Muggy days
- 27
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 91°F | 93°F |
| Normal low | 71°F | 74°F |
| Chance of a wet day | 25% | 22% |
| Sunrise / sunset | 6:34 am / 8:29 pm | 6:37 am / 8:37 pm |
| Daylight | 13.9 h | 14.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical June day
- 6 am74°Fdew point 72°F
- 9 am81°Fdew point 72°F
- Noon88°Fdew point 70°F
- 3 pm91°Fdew point 68°F
- 6 pm90°Fdew point 68°F
- 9 pm82°Fdew point 70°F
NOAA hourly normals (local standard time) from San Antonio Kelly AFB (6 mi away); average wind 9 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 30
- Hot dayshigh 90°F or more24 of 30
- Muggy daysdaily mean dew point 65°F or more27 of 30
- Wet daysat least 0.01 in of rain or melted snow7 of 30
- Notable rainat least 0.10 in5 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain in June
Normal precipitation is 3.3 in; a dry June brings about 1.0 in and a wet one about 5.5 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How June varies from year to year
- Warmest June, 1991-20202009: average high 98°F
- Coolest June1997: average high 88°F
- Wettest June2004: 9.5 in
- Driest June2008: 0.01 in
- Highest reading108°F (June 29, 2013)
- Lowest reading58°F (June 13, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 87°F | 92°F | 95°F |
| Normal low | 66°F | 73°F | 75°F |
| Wet days | 8 | 7 | 5 |
| Comfortable days | 2 | 0 | 0 |
| Daylight | 13.6 h | 14.0 h | 13.8 h |
Highs change by +5°F from May and +3°F into July.
Nearby alternatives in June
- Warmer: Laredo, TX146 mi · high 99°F · 5 wet days
How San Antonio ranks in June
- Normal high36th warmest of 378 cities; 15th of 38 in Texas
- Wet days115th driest of 378
- Comfortable days336th most of 340
What to pack for San Antonio in June
- Light, breathable clothing – highs near 92°F and about 27 muggy days
- Sunglasses and sunscreen – about 14.0 hours of daylight and highs near 92°F
Heating and cooling
June has 0 heating degree days and 526 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.
Questions
How hot is San Antonio in June?
The normal high is 92°F and the normal low is 73°F. From 1991 to 2020 the hottest June reading was 108°F (June 29, 2013).
Does it rain a lot in San Antonio in June?
About 7 days in June have at least 0.01 in of precipitation, and the normal total is 3.3 in. The wettest June in 1991-2020 was in 2004 (9.5 in); the driest was in 2008 (0.01 in).
Is June a good time to visit San Antonio?
June ranks 9th of 12 months on our comfort score for San Antonio (38 out of 100). It has almost no comfortable days and about 24 days at 90°F or hotter. The best months are February, March and November.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: San Antonio Intl Airport (USW00012921), 8.3 mi N of the city center, 789 ft (140 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: San Antonio Kelly AFB (USW00012909), 6.1 mi WSW of the city center, 682 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: San Antonio International Airport (722530-12921), 8.3 mi N of the city center, 799 ft (150 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).