All of the countries discussed are in the northern hemisphere including Spain:
List of continents and countries in Northern Hemisphere
Continents
entire Asia except most of Indonesia
entire Europe
entire North America
A small part of South America, north of the Amazon River
About 2/3 of Africa, north of the Congo River
South American countries
Wholly
French Guiana
Guyana
Suriname
Venezuela
Mostly
Colombia
Partly
Brazil
Ecuador
Oceania
Countries primarily in the northern hemisphere
Marshall Islands
Micronesia
Palau