San Bernardino
April
Weather in San Bernardino for April 2025
Your guide to San Bernardino weather in April - trends and predictions
Until now, April 2025 in San Bernardino has been nearly identical to the historical average, with a temperature of 21 °F (showing only a slight deviation of -0.4 °F).
The forecast for the upcoming days in San Bernardino predicts a temperature of 22.6 °F, which is slightly above the historical average.
In general, the average temperature in San Bernardino at the beginning of April is 18.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.7 °F by the end of April.
With an average of 3 rainy days, San Bernardino experiences minimal rainfall in April.
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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 Weather April
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| 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 25° | 23 19° | 24 22° | 25 16° | 26 15° |
| 27 20° | 28 23° | 29 27° | 30 29° |
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Temperatures trend during April in San Bernardino
See the weather trend as well as the moving average line
April weather day by day
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| 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 | 25° /11° | 0 mm | 2.3 | |
| Apr. 23 | Partly cloudy | 19° /11° | 0 mm | 2.2 | |
| Apr. 24 | Partly cloudy | 22° /10° | 0 mm | 2.1 | |
| Apr. 25 | Partly cloudy | 16° /8° | 0 mm | 2 | |
| Apr. 26 | Patchy rain possible | 15° /4° | 0.5 mm | 1.1 | |
| Apr. 27 | Partly cloudy | 20° /6° | 0.1 mm | 0 | |
| Apr. 28 | Sunny | 23° /4° | 0 mm | 4 | |
| Apr. 29 | Sunny | 27° /7° | 0 mm | 5 | |
| Apr. 30 | Sunny | 29° /10° | 0 mm | 5 | |
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Important Notice
Our weather forecast for San Bernardino 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 forecast closer to your planned date for the most up-to-date weather information.
San Bernardino in April - FAQ
What are the expected maximum and minimum temperatures in San Bernardino 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 during April?
In April, San Bernardino 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 during April?
The average wind speed in San Bernardino during April is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in San Bernardino
Explore the daily rainfall trends and prepare for San Bernardinos April weather 💧
UV exposure in San Bernardino during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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