March through May are the hottest months in the Philippines, followed by a rainy season that lasts until October. November to February are the most temperate months to visit. The majority of international flights land in Manila, though there are other options if you want to avoid the chaotic capital. Most nationalities don't need a visa for trips of up to 30 days, though an ongoing ticket and a passport that's valid for at least six months are required. Domestic travel is affordable. Islands are easily reached on local budget airlines and there are numerous ferry services. Air conditioning on buses can be frigid, so be sure to take warm clothing. The currency is the peso; English is widely spoken. Electricity is 220 volts.