22 of 57 destinations scored for city and culture are prime in April — 80 or better on conditions alone. Highest: Napa & Sonoma (96), San Diego (95), Sedona (95). In March 19 are prime; in May, 30.
Every destination scoring 55 or better for city and culture in April, highest first. Ties are listed alphabetically.
Most places have one or two months that are genuinely better — and a booking moment that comes a lot earlier than the trip. I’ll write when one of those is coming up. No schedule, no filler.
Somewhere missing from the list? Write to info@pennyswindow.com and I’ll score it.