Bottled water is widely available. Normal precautions should be observed with food. All credit cards and travellers cheques are widely accepted. Some handling changes may be levied. Summers are very hot with the rainy season June - Aug. Spring and autumn are warm with occasional rain and cooler evenings.
Winters can be cold.
POST Airmail to Europe takes 3- 5 days. Women depending on their heritage will conform accordingly. Generally all customs co-exist. There are no particular dangers for foreign female travellers. Services are often very crowded.