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San Antonio Weather in June
June in San Antonio brings high temperatures, with highs of 27°C (81°F) and nights dropping to 21°C (70°F). Rainfall is very low this month, averaging just 8.6 mm (0.3 in).
Rainfall in San Antonio in June
Past climate data indicates that roughly 6 days will see rain, totalling around 8.6 mm (0.3 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in San Antonio in June
June is a good time to be in San Antonio. Days are excellent, reaching 27°C (81°F), with nights around 21°C (70°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 21°C (70°F), the nights are warm and generally comfortable.
Sunshine in San Antonio in June
Enjoy a sunny month with about 299 hours of sunshine, the clear skies make San Antonio even more beautiful.
Average water temperature in June
At 23°C (73°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you're a fan of comfortable temperatures and drier conditions, June is a great time to visit.
San Antonio Temperature in June
Min Temperature
21°C (70°F)
Max Temperature
27°C (81°F)
Water Temperature
23°C (73°F) *
Chance of Rain
18%
Precipitation
8.6 mm (0.3 in)
Rainy days
6 days
Humidity
68% *
Sunshine
299 hours *
Percentage Sunshine
71% *
* Data from: Ibiza, Spain (14 KM, 8 Miles).
San Antonio Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Antonio - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Antonio typically rise from around 25°C (77°F) at the start of June to approximately 28°C (82°F) by the end. Nights are pleasant, with lows typically ranging from 17°C (63°F) to 21°C (70°F).
Average temperatures in June
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather records for San Antonio in June
Browse day-by-day weather records for San Antonio spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Antonio historical weather extremes in June
According to our 50 years of weather records for San Antonio, the following extremes were recorded between 1976 and 2026.
- The warmest day in June was on June 16, 2003, with a maximum of 36°C (97°F).
- San Antonio experienced its chilliest June day on June 2, 2011, reaching only 19°C (66°F).
- The lowest overnight temperature recorded in June was 10°C (50°F) (June 7, 1984).
Best Places in Spain in June
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in June →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in San Antonio in June
Warm temperatures in June make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. Expect water temperatures of around 23°C (73°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in San Antonio in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
San Antonio 3-Day Forecast
More climate data for San Antonio
Temperature Rainfall Sunshine Humidity Water Temp
See the full San Antonio climate overview or explore weather in Spain.
Popular in June
Where to go in June - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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