World Climate and Food Safety
Our 24 World Climate and Food Safety charts outline water, dairy products, and food safety, a city's altitude, monthly average temperatures and weather conditions, as well as clothing recommendations. The charts are coded - below is an example in written format.
San Luis Potosí, Mexico
- Altitude: 1859m / 6100ft above sea level.
- Water: All local water should be considered contaminated. All tap water used from drinking, brushing teeth and making ice cubes should be boiled (bringing water to a good rolling boil is sufficient). Good brands of bottled water are available; check cap seal and ensure that the bottle is uncapped in your presence. First rate hotels and restaurants serve purified drinking water. However, the hazard is left to your judgement.
- Milk: Milk is unpasteurized and should be boiled. Powdered and evaporated milk are available and safe. Milk should be boiled before consumption because of possible improper refrigeration during distribution. Powdered and evaporated milk are available and safe. Butter should not be used as a table food. Cream, ice cream and whipped cream should not be consumed. Cheese, unless cured, is best avoided. Yoghurt is safe only if it is known to be made from pasteurized milk.
- Food: All meat, poultry and fish must be well cooked and served while hot. Pork is best avoided; vegetables should be well cooked and served hot. Salads are best avoided. Fruits with intact skins should be peeled by you just prior to consumption. Avoid raw and undercooked eggs and dishes prepared with raw eggs (steak tartar, mayonnaise and dressings). Avoid cold buffets, uncured cheeses, custards and any frozen desserts. First rate hotels serve reliable food. However, the hazard is left to your judgement.
- Average temperature: High 29'C / Low 13'C or High 85'F / Low 55'F in April.
- Mean relative humidity: 53% in April.
- Average precipitation: 2 days in April.
- Recommended clothing: Lightweight cottons for daytime; lightweight wool suits or dresses, sweaters, for evenings when visiting in April.
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