The coast can get much warmer than the highlands, and December to April are a good time to visit, with clear blue skies, some showers and temperatures in the high 20s centigrade. May to November can be cool and grey.
Eloy Alfaro International Airport (www.aeropuertomanta.com) is the main hub here. European flights connect via Quito and there are direct links from major US airports.
Automobiles
If you hire a car, get a good GPS, as signage is sparse.