Vietnam rarely has one perfect season everywhere
The north, center and south can feel very different at the same time of year, which is why blanket advice often frustrates travelers.
It helps to plan around your priority destinations first, then build the route around the strongest weather window for those places.
Weather should shape your route, not stop your trip
Even when conditions are not ideal everywhere, Vietnam still offers strong alternatives if you shift timing, region or pace slightly.
Flexible planning usually beats chasing a single nationwide "best month."