San Antonio Weather in July
July in San Antonio brings very high temperatures, with highs of 30°C (86°F) and nights dropping to 24°C (75°F). It's also the driest month of the year, ideal for those who want to avoid rain.
Rainfall in San Antonio in July
With the lowest rainfall figures of the year, conditions are ideal for exploring the outdoors. This month experiences about 3 days of rain according to historical data, averaging 3.3 mm (0.1 in). Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in San Antonio in July
July is a perfect month in San Antonio, with 30°C (86°F) during the day and 24°C (75°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.
Sunshine in San Antonio in July
The days are predominantly sunny, with an estimated total of around 340 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Average water temperature in July
The water temperature is 25°C (77°F), which most people find very comfortable. A good month for swimming and water sports.If you prefer enjoying temperate temperatures and rain-free days, March, April, May, June, September, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our San Antonio's climate page.
San Antonio Temperature in July
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Water Temperature
25°C (77°F) *
Chance of Rain
11%
Precipitation
3.3 mm (0.1 in)
Rainy days
3 days
Humidity
67% *
Sunshine
340 hours *
Percentage Sunshine
78% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Antonio typically stay consistent throughout July, with daily highs averaging around 30°C (86°F). Nights are warm, with lows typically ranging from 21°C (70°F) to 23°C (73°F).
Average temperatures in July
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 July
Historical weather for San Antonio in July
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 July
Based on weather observations in San Antonio between 1976 and 2025, these are the recorded extremes during July.
- On July 3, 2000, temperatures climbed to 36°C (97°F), marking the warmest July day on record.
- The lowest daytime temperature in July was 23°C (73°F), recorded on July 27, 1987.
- Nighttime temperatures dropped to 14°C (57°F) on July 11, 1980, marking the coldest July night on record.
Best Places in Spain in July
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in July →
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What to Wear in San Antonio in July
Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. 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 July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our San Antonio's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full San Antonio climate overview or explore weather in Spain.
