March 23 is generally a great time to visit San Antonio. While there is a slight chance of rain (15%), showers are usually brief. Expect comfortable 25°C weather. Expect a bustling atmosphere in San Antonio right now—this is when the city truly comes alive with visitors.
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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 March 23
"Mild & Comfortable. Expect average highs of 24.9°C. 15% chance of rain."
What to Wear in San Antonio in March
Based on historical data for March 23, San Antonio typically experiences temperatures between 13.2°C and 24.9°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (15% 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
24.9°C
Daytime Peak
Average Low
13.2°C
Nighttime Low
Feels Like
25.5°C
☀️ Feels accurate
Rain Chance
15%
Avg 0.7mm if it rains
Cloud Cover
51%
Overcast
Pressure
1015.4 hPa
Medium 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 82% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
07:00 - 10:00
16:00 - 19:00
Type I-II
🔴 24 min to burn
Type III-IV
🟡 36 min to burn
Type V-VI
🟢 60 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
18.1°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
80/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~130
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in San Antonio
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:35
☀️ Noon
13:41
🌇 Sunset
19:48
⏱️ Daylight
12h 12m
Wind Speed
20.1 km/h
Moderate wind
Sunshine
8.3 hrs
Direct Sun (Cloud-free)
Humidity
66%
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
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
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 March 23 averages 24.9°C with a 15% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— 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
Compare Other Cities
Same date (March 23) in other destinations
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📍 Is San Antonio Worth Visiting on March 23?
Planning a trip to San Antonio on March 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 24.9°C with a 15% historical precipitation risk.
✈️ Travel Logistics: Approximately 130 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest March 23 recorded in the last 30 years saw temperatures hit 30.6°C in 2025, while the coldest dropped to 7.7°C in 2022.