Boston · April
Run in the morning.
Cool month: average high 56°F, low 39°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
56° / 39°F
Humidity
69%
Rain days
14/mo
Wind
14 mph
What April feels like in Boston
Sunrise
06:02
Mid-month average
Sunset
19:26
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 Boston in April
The kit for April in Boston: a long-sleeve or light jacket for the first mile, a wind-blocking layer for exposed routes, a water-resistant cap or jacket on standby.
April vs the surrounding months
vs March
+11° avg high
0 rain days
Boston in March →
April
56°F avg high
14 rain days
Best: morning
vs May
-12° avg high
+1 rain days
Boston in May →
Frequently Asked Questions
What is the best time of day to run in Boston in April?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Boston in April?+
Average high 56°F, average low 39°F.
How does April compare to surrounding months in Boston?+
Compared to March (avg high 45°F), April is warmer. Compared to May (avg high 67°F), April is cooler.
Does it rain often in Boston in April?+
Expect about 14 measurable rain days in April, on average.