Spanish, In Cancun mostly everyone speaks English but as you move towards the outer regions the probabilities decrease.
Uber doesn’t work well in the city but Don’t stop taxis in the street,
always ask hotels and restaurants for a “Taxi de Sitio”. Bus fare is $12
mxn pesos which you can use to ride along the hotel zone.
Cancun’s average temperature is about 80°F year-round and rainy season ranges from May to October.
Mexican Peso, while they accept US dollars in most places make sure you exchange your currency since you’ll most likely end up paying more.