San Antonio
April
Weather in San Antonio for April 2025
Your guide to San Antonio weather in April - trends and predictions
Red Flag Warning - See hour by hour.
Until now, April 2025 in San Antonio has been nearly identical to the historical average, with a temperature of 26.7 °F (showing only a slight deviation of -0.1 °F).
The forecast for the upcoming days in San Antonio predicts a temperature of 29.6 °F, which is slightly above the historical average.
In general, the average temperature in San Antonio at the beginning of April is 26.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 28 °F by the end of April.
San Antonio in April brings notable rainfall, with an average of 19 rainy days and a total precipitation of 140.1 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
11
Dry days
19
Rainy days
0
Snow days
27°/16°
Temperatures
23 km/h
Avg max wind
68 %
Avg humidity
San Antonio Weather April
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  29° | 2  30° | 3 30° | 4  31° | 5  25° | ||
| 6 20° | 7 22° | 8 25° | 9 28° | 10  28° | 11 27° | 12  28° |
| 13  36° | 14 30° | 15 26° | 16 30° | 17 32° | 18 29° | 19 30° |
| 20  27° | 21 32° | 22 31° | 23 31° | 24  28° | 25 26° | 26 27° |
| 27 28° | 28 30° | 29 27° | 30 30° |
You can click on date
Access San Antonio weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during April in San Antonio
See the weather trend as well as the moving average line
April weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 | Cloudy | 29° /16° | 0.9 mm | 6 | |
| Apr. 2 | Patchy rain possible | 30° /17° | 0.2 mm | 7 | |
| Apr. 3 | Patchy rain possible | 30° /16° | 0 mm | 7 | |
| Apr. 4 | Overcast | 31° /18° | 1.1 mm | 7 | |
| Apr. 5 | Moderate or heavy rain shower | 25° /14° | 8.4 mm | 6 | |
| Apr. 6 | Moderate or heavy rain shower | 20° /11° | 16.2 mm | 5 | |
| Apr. 7 | Moderate or heavy rain shower | 22° /11° | 5.1 mm | 6 | |
| Apr. 8 | Overcast | 25° /13° | 1.5 mm | 6 | |
| Apr. 9 | Patchy rain possible | 28° /14° | 3.4 mm | 7 | |
| Apr. 10 | Sunny | 28° /14° | 1.7 mm | 7 | |
| Apr. 11 | Overcast | 27° /13° | 0 mm | 6 | |
| Apr. 12 | Partly cloudy | 28° /13° | 0 mm | 7 | |
| Apr. 13 | Partly cloudy | 36° /15° | 0 mm | 2.5 | |
| Apr. 14 | Overcast | 30° /17° | 0 mm | 2.6 | |
| Apr. 15 | Overcast | 26° /15° | 0 mm | 2.4 | |
| Apr. 16 | Cloudy | 30° /16° | 0 mm | 2.2 | |
| Apr. 17 | Partly cloudy | 32° /17° | 0 mm | 0 | |
| Apr. 18 | Patchy rain possible | 29° /20° | 0.1 mm | 5 | |
| Apr. 19 | Patchy rain possible | 30° /19° | 4.4 mm | 5 | |
| Apr. 20 | Thundery outbreaks possible | 27° /22° | 0.1 mm | 5 | |
| Apr. 21 | Partly cloudy | 32° /19° | 0 mm | 6 | |
| Apr. 22 | Patchy rain possible | 31° /20° | 1.2 mm | 5 | |
| Apr. 23 | Thundery outbreaks possible | 31° /21° | 0 mm | 6 | |
| Apr. 24 | Moderate rain | 28° /22° | 7.2 mm | 5 | |
| Apr. 25 | Patchy rain possible | 26° /19° | 0.3 mm | 5 | |
| Apr. 26 | Patchy rain possible | 27° /21° | 0.5 mm | 5 | |
| Apr. 27 | Cloudy | 28° /15° | 13.6 mm | 6 | |
| Apr. 28 | Patchy rain possible | 30° /18° | 11.2 mm | 7 | |
| Apr. 29 | Moderate or heavy rain shower | 27° /17° | 22.8 mm | 6 | |
| Apr. 30 | Sunny | 30° /16° | 0.2 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for San Antonio in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Antonio forecast closer to your planned date for the most up-to-date weather information.
San Antonio in April - FAQ
What are the expected maximum and minimum temperatures in San Antonio during April?
During April, expect a variety of temperatures with highs around 27° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Antonio during April?
Significant rainfall exceeding 140.1 mm is expected in San Antonio during April, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Antonio during April?
The average wind speed in San Antonio during April is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in San Antonio
Explore the daily rainfall trends and prepare for San Antonios April weather 💧
UV exposure in San Antonio during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
Quick links
San Antonio weather pages
You are here
Where is San Antonio?Get accurate weather forecasts for San Antonio, located at latitude 29.424 and longitude -98.494. Stay updated with localized weather information tailored for San Antonio.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.