What if North America was shifted 10º further north?

If you were on City Data for long enough, you might have come across the thread "What if North America was shifted 10º further south?" Today, we are going to come up with responses to the opposite of this question, and which climates you will consider an improvement, your ideal climate, and grumble about the climates that will become terrible.

Here are the latitudes of each national capital city in North America after this alteration from north to south: [Note the amount of capital cities in Central America and the Carribean in comparison to North America].
Ottawa, Canada: 55º25'29"N
Washington, D.C., United States: 48º54'17"N

Nassau, The Bahamas: 35º04'41"N
Havana, Cuba: 33º08'12"N

Mexico City, Mexico: 29º25'57"N
Port-au-Prince, Haiti: 28º32'00"N
Santo Domingo, Dominican Republic: 28º29'00"N
Kingston, Jamaica: 27º58'17"N

Basseterre, St. Kittts and Nevis: 27º17'41"N
Belmopan, Belize: 27º15'05"N
St John's, Antigua and Barbuda: 27º07'39"N
Roseau, Dominica: 25º18'10"N

Guatemala City, Guatemala: 24º36'48"N
Teguicgalpa, Honduras: 24º04'55"N
Castries, St. Lucia: 23º59'45"N
San Salvador, El Salvador: 23º41'56"N
Kingstown, St. Vincent and the Grenadines: 23º09'28"N
Bridgetown, Barbados: 23º05'51"N

Managua, Nicaragua: 22º08'11"N
St. George's, Grenada: 22º03'23"N
Port of Spain, Trinidad and Tobago: 20º40'16"N

San José, Costa Rica: 19º55'57"N
Panama City, Panama: 8º59'00"N