ARGENTINA VISAS: The following nationals DO NOT require a visa: Argentina.
For tourist visits and for stays of up to 90 days to nationals of: Andorra, Australia, Austria, Barbados, Belgium, Bolivia, Brazil, Bulgaria, Canada, Chile, Colombia, Costa Rica, Croatia, Cyprus, Czech Rep, Denmark, Dominican Rep, Ecuador, El Salvador, Estonia, Finland, France, Germany, Greece, Grenada, Guatemala, Guyana, Haiti, Honduras, Hungary, Iceland, Ireland Rep, Israel, Italy, Japan, Korea (South), Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Mexico, Monaco, Netherlands, New Zealand, Nicaragua, Norway, Panama, Paraguay, Peru, Poland, Portugal, Romania, St. Kitts & Nevis, St. Lucia, St. Vincent & Grenadines, San Marino, Serbia & Montenegro, Singapore, Slovakia, Slovenia, South Africa, Spain, Sweden, Switzerland, Thailand, Trinidad & Tobago, Turkey, United States, Uruguay, Vatican City,  Venezuela & British nationals holding valid British passports.
For stays of up to 30 days by nationals of Hong Kong (British National Overseas Passport holders), Jamaica & Malaysia.
ARGENTINA TRANSIT VISAS: Required by all except those as noted above and persons continuing their journey to a thrid country by the same or first connecting aircraft within 48 hours, provided holding confirmed reservations for onward/return travel & documentation (except refugees & stateless persons).
ARGENTINA HEALTH: Although there are no compulsory immunisations it is recommended that
travellers making 3 or more visits per year, stays of more than 3 months in a rural area, high-risk occupational groups & backpackers staying more than 1 monthimmunisations for Diphtheria, Hepatitis A, Hepatitis B, Malaria, TB, Tetanus & Typhoid.
ARGENTINA WEATHER: Argentina has varied climatic regions. In the north, temperatures & humidity are high during the summer months (Nov-Mar) with rain throughout the year. Buenos Aires, other central regions & the Pampas to the east have warm but wet summers & mild winters. The climate is sunnier & drier further west & to the south. This area includes the northern Andes which is very barren as little rain or snow falls even on higher slopes. When it rains it tends to be during the summer months which are hot & sunny. Southern Argentina or Patagonia is a mainly dry area with cooler temperatures, especially in the far south which has brisk summers & long cold winters with a great deal of snow & frost, although temperatures are not usually intolerably low.