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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 17.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21 °F by the end of April.

  • San Bernardino County sees moderate rainfall in April, averaging 7 rainy days.

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/9°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
51 %
Avg humidity

San Bernardino County in April average weather

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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
Sunny
19° /6° 0 mm 5
Apr. 2 Sunny
Sunny
22° /7° 0 mm 6
Apr. 3 Sunny
Sunny
23° /10° 0 mm 6
Apr. 4 Patchy rain possible
Patchy rain possible
17° /6° 0.5 mm 4
Apr. 5 Light rain shower
Light rain shower
10° /2° 9.5 mm 3
Apr. 6 Sunny
Sunny
15° /2° 0 mm 5
Apr. 7 Partly cloudy
Partly cloudy
16° /4° 0 mm 5
Apr. 8 Sunny
Sunny
20° /4° 0 mm 6
Apr. 9 Sunny
Sunny
25° /9° 0 mm 6
Apr. 10 Sunny
Sunny
27° /11° 0 mm 7
Apr. 11 Sunny
Sunny
29° /16° 0 mm 7
Apr. 12 Sunny
Sunny
24° /11° 0 mm 6
Apr. 13 Light rain shower
Light rain shower
15° /5° 3.4 mm 4
Apr. 14 Light rain shower
Light rain shower
13° /4° 6.3 mm 3
Apr. 15 Patchy rain possible
Patchy rain possible
19° /5° 0.5 mm 4
Apr. 16 Sunny
Sunny
26° /10° 0 mm 7
Apr. 17 Partly cloudy
Partly cloudy
27° /13° 0 mm 7
Apr. 18 Overcast
Overcast
25° /13° 0 mm 6
Apr. 19 Sunny
Sunny
24° /11° 0 mm 6
Apr. 20 Sunny
Sunny
26° /10° 0 mm 7
Apr. 21 Sunny
Sunny
29° /13° 0 mm 7
Apr. 22 Sunny
Sunny
26° /14° 0 mm 7
Apr. 23 Patchy rain possible
Patchy rain possible
21° /13° 0.1 mm 5
Apr. 24 Partly cloudy
Partly cloudy
20° /8° 0 mm 6
Apr. 25 Patchy rain possible
Patchy rain possible
16° /10° 0.7 mm 4
Apr. 26 Patchy rain possible
Patchy rain possible
14° /10° 0.7 mm 3
Apr. 27 Sunny
Sunny
22° /7° 0 mm 6
Apr. 28 Sunny
Sunny
24° /9° 0 mm 6
Apr. 29 Sunny
Sunny
25° /11° 0 mm 7
Apr. 30 Sunny
Sunny
26° /15° 0 mm 7
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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 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 7 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 ☀️
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Location coordinates 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.

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