July 23 is statistically one of the best days of the year in San Antonio. With minimal rain risk (12%) and pleasant highs of 35°C, it's ideal for outdoor adventures. San Antonio is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for San Antonio
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Connect
As of Dec 2021, San Antonio has 5G from ...
Safety
Moderate Safety
GPI: 2.44
San Antonio Weather Forecast for July 23
"Warm & Sunny. Expect average highs of 35.4°C. 12% chance of rain."
What to Wear in San Antonio in July
Based on historical data for July 23, San Antonio typically experiences temperatures between 24.4°C and 35.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for San Antonio
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
35.4°C
Daytime Peak
Average Low
24.4°C
Nighttime Low
Feels Like
47.3°C
🔥 Heat index effect
Rain Chance
12%
Avg 0.4mm if it rains
Cloud Cover
42%
Overcast
Pressure
1014.9 hPa
Low volatility
San Antonio Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 85% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
06:00 - 10:00
16:00 - 20:00
Type I-II
🔴 11 min to burn
Type III-IV
🟡 17 min to burn
Type V-VI
🟢 28 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
27°C
Humid/Sticky
Heat Index
47.3°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
Busy
73/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~119
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in San Antonio
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:49
☀️ Noon
13:41
🌇 Sunset
20:33
⏱️ Daylight
13h 43m
Wind Speed
17.6 km/h
Gentle breeze
Sunshine
12.1 hrs
Direct Sun (Cloud-free)
Humidity
62%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for San Antonio
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in San Antonio
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, San Antonio on July 23 averages 35.4°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
San Antonio Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
July 16
34.9°C • 14% rain
Score
92
July 17
35°C • 13% rain
Score
92
July 26
35°C • 12% rain
Score
92
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (July 23) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is San Antonio Worth Visiting on July 23?
Planning a trip to San Antonio on July 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 35.4°C with a 12% historical precipitation risk.
✈️ Travel Logistics: Approximately 119 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest July 23 recorded in the last 30 years saw temperatures hit 39.8°C in 2018, while the coldest dropped to 23.1°C in 2024.