San Diego County
April
Weather in San Diego County for April 2025
Your guide to San Diego County weather in April - trends and predictions
In general, the average temperature in San Diego County at the beginning of April is 16.6 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 19.4 °F by the end of April.
Precipitation in San Diego County during April is a rare event, with an average of fewer than 2 rainy days.
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29
Dry days
1
Rainy days
0
Snow days
19°/11°
Temperatures
18 km/h
Avg max wind
67 %
Avg humidity
San Diego County in April average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2 18° | 3  16° | 4  15° | 5 16° | 6 17° | |
| 7 17° | 8  17° | 9 19° | 10 20° | 11 20° | 12 17° | 13 15° |
| 14 16° | 15 17° | 16  18° | 17 19° | 18 18° | 19 17° | 20 20° |
| 21 23° | 22 21° | 23 18° | 24 18° | 25 18° | 26 18° | 27 22° |
| 28 20° | 29 21° | 30 19° |
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Temperatures trend during April in San Diego 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 | Overcast | 17° /10° | 0.8 mm | 4 | |
| Apr. 2 | Overcast | 18° /10° | 0 mm | 5 | |
| Apr. 3 | Patchy rain possible | 16° /11° | 0.5 mm | 4 | |
| Apr. 4 | Sunny | 15° /9° | 0.3 mm | 4 | |
| Apr. 5 | Overcast | 16° /8° | 4.1 mm | 4 | |
| Apr. 6 | Sunny | 17° /8° | 0.3 mm | 4 | |
| Apr. 7 | Overcast | 17° /10° | 0 mm | 4 | |
| Apr. 8 | Cloudy | 17° /11° | 0.1 mm | 4 | |
| Apr. 9 | Sunny | 19° /12° | 0 mm | 6 | |
| Apr. 10 | Sunny | 20° /14° | 0 mm | 6 | |
| Apr. 11 | Overcast | 20° /13° | 0 mm | 6 | |
| Apr. 12 | Overcast | 17° /12° | 0.2 mm | 5 | |
| Apr. 13 | Patchy rain possible | 15° /11° | 2.1 mm | 4 | |
| Apr. 14 | Cloudy | 16° /11° | 0.7 mm | 4 | |
| Apr. 15 | Sunny | 17° /11° | 0.5 mm | 5 | |
| Apr. 16 | Partly cloudy | 18° /12° | 0 mm | 5 | |
| Apr. 17 | Overcast | 19° /13° | 0.1 mm | 5 | |
| Apr. 18 | Overcast | 18° /13° | 0.2 mm | 4 | |
| Apr. 19 | Overcast | 17° /12° | 0 mm | 5 | |
| Apr. 20 | Partly cloudy | 20° /12° | 0 mm | 6 | |
| Apr. 21 | Sunny | 23° /14° | 0 mm | 7 | |
| Apr. 22 | Sunny | 21° /14° | 0 mm | 6 | |
| Apr. 23 | Cloudy | 18° /13° | 0.1 mm | 4 | |
| Apr. 24 | Overcast | 18° /13° | 0.1 mm | 4 | |
| Apr. 25 | Overcast | 18° /13° | 0.5 mm | 4 | |
| Apr. 26 | Sunny | 18° /13° | 0.4 mm | 5 | |
| Apr. 27 | Sunny | 22° /13° | 0 mm | 6 | |
| Apr. 28 | Sunny | 20° /13° | 0 mm | 6 | |
| Apr. 29 | Sunny | 21° /14° | 0 mm | 6 | |
| Apr. 30 | Cloudy | 19° /14° | 0 mm | 5 | |
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Important Notice
Our weather forecast for San Diego 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 Diego County forecast closer to your planned date for the most up-to-date weather information.
San Diego County in April - FAQ
What are the expected maximum and minimum temperatures in San Diego County during April?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Diego County during April?
In April, San Diego County can expect light to moderate rainfall, totaling 21.4 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in San Diego County during April?
The average wind speed in San Diego County during April is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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