CLIMATE
The climate of Mexico varies according to altitude. You can find desert-like regions on the northwest part of the country and the low-lying coastal areas are typically tropical, hot and humid. The weather in Mexico City, which is sited at an altitude of 2,300 meters above sea level, is far more moderate. Mexico City has pleasant summers and mild winters, with an annual average temperature of 18 degrees Celsius (64 degrees Fahrenheit).

Northern Mexico gets very hot during summer with sudden violent heavy rain or hail storms, also an isolated tornado can occur within these storms. Seasonal variations in temperature are small, but May is the warmest month of the year, and January the coldest, when night frost is even possible. Mexico City experiences high average annual rainfall, most falling in summer. During hurricane season, hurricanes are common in the coastal cities specially those near the Caribbean Sea and the Gulf of Mexico.


VISA INFORMATION

Citizens of the US, Canada, the UK, Ireland, Australia, New Zealand, Japan, and most EU countries do not need visas to enter Mexico as tourists for less than 180 days. Other Europeans can stay for ninety days. Non-US citizens traveling via the US, however, may need a US visa.


CURRENCY, EXCHANGE AND CREDIT CARD USE

Mexico’s official currency is the peso. Although the peso is the main currency, American dollars are accepted in touristy areas. Some high-traffic tourist regions might also accept Euros, Canadian dollars and British pounds. However, it’s almost always more cost-efficient to pay with pesos.
The best place to exchange currency in Mexico is at a large bank or ATM. Both options will use the ‘real’ exchange rate, also known as the mid-market exchange rate. It’s the midpoint between the buy and sales rate in global currency markets.
Using credit cards and debit cards in Mexico
Visa, MasterCard, and American Express are the most commonly accepted credit cards in Mexico. You shouldn’t have a problem using any of these major cards, especially in larger cities or tourist destinations. It’s always a good idea to carry some cash on you as well, but don’t carry around more than you plan to spend on any given day.


ELECTRICAL SYSTEM

In Mexico the power plugs and sockets are of type A and B. The standard voltage is 127 V and the standard frequency is 60 Hz.


OUTFIT RECOMMENDATIONS

Lightweight pants and long skirts are good options, as are blouses and tops that cover your cleavage.  Sleeveless tops are acceptable, tank tops less so. For coastal cities and towns, casual clothes and shorts and tank tops are generally acceptable on the street.
A lot of people assume that the weather in Mexico is always hot, but that's not the case. Be sure to check the forecast for your destination before you leave so that you will be well prepared with a sweater or jacket and/or a raincoat if necessary. 


TIME ZONES

Mexico uses four main time zones since February 2015. Most of the country observes Daylight Saving Time.
Zona Sureste (Southeast Zone) covers the state of Quintana Roo is UTC-05:00 year-round. It is the equivalent of U.S. Eastern Standard Time.
Zona Centro (Central Zone) covers the eastern three-fourths of Mexico, including Mexico City, Guadalajara, and Monterrey. For most of the year, it is the equivalent of U.S. Central Time.
Zona Pacífico (Pacific Zone) covers the states of Baja California Sur, Chihuahua, Nayarit, Sinaloa, and Sonora. The state of Sonora, like the U.S. state of Arizona, does not observe daylight saving time. For most of the year (except for Sonora), it is the equivalent of U.S. Mountain Time.
Zona Noroeste (Northwest Zone) covers the state of Baja California. It is identical to U.S. Pacific Time, including the daylight saving schedule.


LANGUAGE

Most Mexicans are fluent in Spanish and learn English as a second language, though there are many other indigenous languages. The Law of Linguistic Rights recognizes 68 Mexican indigenous languages and there are more than 130 indigenous languages
Is Mexico safe?
Mexico continues to experience serious conflicts between rival criminal organizations in various areas within the country. Though these conflicts can be unpredictable, they are almost always among and between organized crime groups. There has been no evidence the organizations have targeted or are targeting holiday travelers or civilians that are not related to illicit activity, and incidents of concern are virtually non-existent in and around tourist areas.