San Diego · April
Run in the morning.
Cool month: average high 68°F, low 55°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
68° / 55°F
Humidity
73%
Rain days
5/mo
Wind
12 mph
What April feels like in San Diego
Sunrise
06:18
Mid-month average
Sunset
19:18
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in San Diego in April
The kit for April in San Diego: shorts and a short-sleeve are the standard kit.
April vs the surrounding months
vs March
+3° avg high
-4 rain days
San Diego in March →
April
68°F avg high
5 rain days
Best: morning
vs May
0° avg high
-1 rain days
San Diego in May →
Frequently Asked Questions
What is the best time of day to run in San Diego in April?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in San Diego in April?+
Average high 68°F, average low 55°F.
How does April compare to surrounding months in San Diego?+
Compared to March (avg high 65°F), April is warmer. Compared to May (avg high 68°F), April is cooler.
Does it rain often in San Diego in April?+
Expect about 5 measurable rain days in April, on average.