San Bernardino County (San Bernardino)
April
Weather in San Bernardino County for April 2025
Your guide to San Bernardino County weather in April - trends and predictions
Until now, April 2025 in San Bernardino County has been nearly identical to the historical average, with a temperature of 21.1 °F (showing only a slight deviation of -0.5 °F).
The forecast for the coming days of April 2025 predicts a temperature of 23.9 °F , which is warmer than usual.
In general, the average temperature in San Bernardino County at the beginning of April is 18.3 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 19.4 °F by the end of April.
With an average of 3 rainy days, San Bernardino County experiences minimal rainfall in April.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
27
Dry days
3
Rainy days
0
Snow days
22°/9°
Temperatures
16 km/h
Avg max wind
50 %
Avg humidity
San Bernardino County Weather April
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  17° | 2 19° | 3 18° | 4  17° | 5 17° | ||
| 6 20° | 7  20° | 8 22° | 9 27° | 10 28° | 11 29° | 12 24° |
| 13 20° | 14 20° | 15 20° | 16 21° | 17 18° | 18  20° | 19 24° |
| 20 25° | 21 26° | 22 24° | 23 21° | 24 23° | 25  15° | 26 9° |
| 27 14° | 28 22° | 29 26° | 30 27° |
You can click on date
Access San Bernardino County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during April in San Bernardino County
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 | Sunny | 17° /6° | 0 mm | 4 | |
| Apr. 2 | Sunny | 19° /5° | 0 mm | 6 | |
| Apr. 3 | Sunny | 18° /7° | 0 mm | 5 | |
| Apr. 4 | Patchy rain possible | 17° /5° | 0.2 mm | 5 | |
| Apr. 5 | Light rain shower | 17° /4° | 4.8 mm | 5 | |
| Apr. 6 | Sunny | 20° /6° | 0 mm | 6 | |
| Apr. 7 | Partly cloudy | 20° /8° | 0 mm | 6 | |
| Apr. 8 | Sunny | 22° /7° | 0 mm | 6 | |
| Apr. 9 | Sunny | 27° /11° | 0 mm | 7 | |
| Apr. 10 | Sunny | 28° /13° | 0 mm | 7 | |
| Apr. 11 | Sunny | 29° /15° | 0 mm | 7 | |
| Apr. 12 | Sunny | 24° /12° | 0 mm | 6 | |
| Apr. 13 | Light rain shower | 20° /9° | 1.7 mm | 5 | |
| Apr. 14 | Light rain shower | 20° /8° | 3.2 mm | 5 | |
| Apr. 15 | Patchy rain possible | 20° /7° | 0.3 mm | 5 | |
| Apr. 16 | Sunny | 21° /8° | 0 mm | 6 | |
| Apr. 17 | Partly cloudy | 18° /9° | 43.8 mm | 5 | |
| Apr. 18 | Overcast | 20° /11° | 1.6 mm | 5 | |
| Apr. 19 | Sunny | 24° /8° | 0 mm | 6 | |
| Apr. 20 | Sunny | 25° /10° | 0 mm | 7 | |
| Apr. 21 | Sunny | 26° /13° | 0 mm | 6 | |
| Apr. 22 | Sunny | 24° /12° | 0 mm | 7 | |
| Apr. 23 | Patchy rain possible | 21° /13° | 0.1 mm | 5 | |
| Apr. 24 | Partly cloudy | 23° /11° | 0 mm | 2.2 | |
| Apr. 25 | Cloudy | 15° /9° | 0 mm | 2 | |
| Apr. 26 | Patchy rain possible | 9° /5° | 4.2 mm | 0.8 | |
| Apr. 27 | Patchy rain possible | 14° /5° | 0.8 mm | 1.2 | |
| Apr. 28 | Partly cloudy | 22° /3° | 0.1 mm | 0 | |
| Apr. 29 | Sunny | 26° /6° | 0 mm | 5 | |
| Apr. 30 | Sunny | 27° /8° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for San Bernardino County 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 Bernardino County forecast closer to your planned date for the most up-to-date weather information.
San Bernardino County in April - FAQ
What are the expected maximum and minimum temperatures in San Bernardino County during April?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Bernardino County during April?
In April, San Bernardino County can expect light to moderate rainfall, totaling 21.8 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in San Bernardino County during April?
The average wind speed in San Bernardino County during April is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in San Bernardino County
Explore the daily rainfall trends and prepare for San Bernardino Countys April weather 💧
UV exposure in San Bernardino County during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
Top locations in San Bernardino County
Select a location for an accurate weather forecast
More Locations Quick links
More San Bernardino County weather pages
You are here
Where is San Bernardino County?Get accurate weather forecasts for San Bernardino County, located at latitude 34.108 and longitude -117.29. Stay updated with localized weather information tailored for San Bernardino County.
Found a mistake?
We appreciate your attention to details. Tell us here.