Boise · April
Run in the morning.
Cool month: average high 62°F, low 39°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
62° / 39°F
Humidity
50%
Rain days
10/mo
Wind
13 mph
What April feels like in Boise
Sunrise
07:01
Mid-month average
Sunset
20:28
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
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 Boise in April
The kit for April in Boise: a long-sleeve or light jacket for the first mile.
April vs the surrounding months
vs March
+8° avg high
-3 rain days
Boise in March →
April
62°F avg high
10 rain days
Best: morning
vs May
-10° avg high
0 rain days
Boise in May →
Frequently Asked Questions
What is the best time of day to run in Boise in April?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Boise in April?+
Average high 62°F, average low 39°F.
How does April compare to surrounding months in Boise?+
Compared to March (avg high 54°F), April is warmer. Compared to May (avg high 72°F), April is cooler.
Does it rain often in Boise in April?+
Expect about 10 measurable rain days in April, on average.