San Bernardino County
April
Weather in San Bernardino County for April 2025
Your guide to San Bernardino County weather in April - trends and predictions
In general, the average temperature in San Bernardino County at the beginning of April is 16.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20 °F by the end of April.
San Bernardino County sees moderate rainfall in April, averaging 6 rainy days.
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24
Dry days
6
Rainy days
0
Snow days
20°/9°
Temperatures
17 km/h
Avg max wind
51 %
Avg humidity
San Bernardino County in April average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2 21° | 3 22° | 4  16° | 5  10° | 6 14° | |
| 7  15° | 8 19° | 9 24° | 10 26° | 11 27° | 12 22° | 13 14° |
| 14 11° | 15 19° | 16 25° | 17 25° | 18  23° | 19 23° | 20 24° |
| 21 27° | 22 24° | 23 19° | 24 18° | 25 14° | 26 15° | 27 21° |
| 28 23° | 29 24° | 30 25° |
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Temperatures trend during April in San Bernardino County
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 | 18° /8° | 0 mm | 5 | |
| Apr. 2 | Sunny | 21° /8° | 0 mm | 6 | |
| Apr. 3 | Sunny | 22° /10° | 0 mm | 6 | |
| Apr. 4 | Patchy rain possible | 16° /3° | 0.5 mm | 4 | |
| Apr. 5 | Patchy light rain with thunder | 10° /1° | 7.8 mm | 3 | |
| Apr. 6 | Sunny | 14° /1° | 0 mm | 4 | |
| Apr. 7 | Partly cloudy | 15° /5° | 0 mm | 5 | |
| Apr. 8 | Sunny | 19° /4° | 0 mm | 5 | |
| Apr. 9 | Sunny | 24° /9° | 0 mm | 6 | |
| Apr. 10 | Sunny | 26° /15° | 0 mm | 7 | |
| Apr. 11 | Sunny | 27° /14° | 0 mm | 7 | |
| Apr. 12 | Sunny | 22° /11° | 0 mm | 6 | |
| Apr. 13 | Light rain shower | 14° /6° | 5.5 mm | 3 | |
| Apr. 14 | Light rain shower | 11° /6° | 10 mm | 3 | |
| Apr. 15 | Patchy rain possible | 19° /4° | 0.2 mm | 4 | |
| Apr. 16 | Sunny | 25° /12° | 0 mm | 7 | |
| Apr. 17 | Partly cloudy | 25° /13° | 0 mm | 7 | |
| Apr. 18 | Overcast | 23° /12° | 0 mm | 5 | |
| Apr. 19 | Sunny | 23° /14° | 0 mm | 6 | |
| Apr. 20 | Sunny | 24° /11° | 0 mm | 6 | |
| Apr. 21 | Partly cloudy | 27° /12° | 0 mm | 7 | |
| Apr. 22 | Sunny | 24° /12° | 0 mm | 6 | |
| Apr. 23 | Patchy rain possible | 19° /12° | 0 mm | 4 | |
| Apr. 24 | Partly cloudy | 18° /6° | 0 mm | 5 | |
| Apr. 25 | Patchy rain possible | 14° /11° | 0.5 mm | 3 | |
| Apr. 26 | Patchy rain possible | 15° /10° | 0.4 mm | 4 | |
| Apr. 27 | Sunny | 21° /9° | 0 mm | 6 | |
| Apr. 28 | Sunny | 23° /11° | 0 mm | 6 | |
| Apr. 29 | Sunny | 24° /11° | 0 mm | 6 | |
| Apr. 30 | Sunny | 25° /11° | 0 mm | 6 | |
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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 20° 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 25 mm across approximately 6 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 17 km/h, suggesting breezy to windy conditions, depending on your activities.
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Where is San Bernardino County?Get accurate weather forecasts for San Bernardino County, located at latitude 34.063 and longitude -117.651. Stay updated with localized weather information tailored for San Bernardino County.
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