Oklahoma City has a humid subtropical climate, with frequent variations in weather daily and seasonally, except during the consistently hot and humid summer months. Consistent winds, usually from the south or south-southeast during the summer, help temper the hotter weather. Consistent northerly winds during the winter can intensify cold periods. The average temperature is 15.7 °C, though colder through the winter months, with a 2.6 °C average in January, and warmer during the summer months, with an 27.8 °C average in July. Extremes range from -27 °C on February 12, 1899 to 45 °C on August 11, 1936 and August 3, 2012. The city receives about 912 mm of precipitation annually and 21.8 centimetres of snow.
Oklahoma City has a severe weather season from March through August, especially during April and May. Tornadoes have occurred in every month of the year. Oklahoma City has become one of the most tornado prone cities in the United States. Since the time weather records have been kept, Oklahoma City has been struck by nine violent tornadoes, eight F4's and one F5. On May 3, 1999 parts of southern Oklahoma City and nearby communities suffered one of the most powerful tornadoes on record, an F-5 on the Fujita Scale, with wind speeds topping 510 km/h. This tornado was part of the 1999 Oklahoma tornado outbreak.
|Avg Max||8.2 °C||11.2 °C||16.7 °C||22.2 °C||26.2 °C||30.7 °C||34.1 °C||33.6 °C||28.8 °C||23.1 °C||15.8 °C||9.9 °C|
|Avg Min||-3.8 °C||-1.3 °C||3.6 °C||9.3 °C||14.3 °C||18.9 °C||21.4 °C||20.9 °C||16.8 °C||10.2 °C||3.7 °C||-1.9 °C|
|Rainfall||28.7 mm||39.6 mm||68.8 mm||70.4 mm||132.6 mm||109.5 mm||66.3 mm||66 mm||97.5 mm||82 mm||50.3 mm||35.6 mm|
Will Rogers World Airport (OKC) near Oklahoma City has flights to/from Dallas, Chicago, Los Angeles, Atlanta, Salt Lake City, Detroit, Memphis, Minneapolis, Denver, Baltimore, Houston, Kansas City, Las Vegas, Phoenix, St. Louis, Orlando, Cleveland, Newark, San Francisco and Washington, D.C..
The Heartland Flyer between Oklahoma City and Fort Worth, Texas.
Check Greyhound buses for options.
Many international rental companies have a wide selection of rental cars and these include Hertz, Avis, Dollar, Thrifty, Enterprise, Budget and Alamo/National. Most companies will require you are at least 25 years of age, although younger people might be able to rent cars at slightly higher rates and with some insurance differences as well. A national driver's license is usually enough, but an additional international one is recommended. Also note that it usually costs more to include lots of other extra things. For example extra drivers, GPS, the first full tank, SLI (Supplemental Liability Insurance), PAI (Personal Accident Insurance, usually covered already at home), road assistance/service plan, and drop-off costs for one-way rentals.
If you want to book a car, it is recommended that you book your car before arriving in the USA. This is almost always (much) cheaper compared to just showing up. Also, try and book with a so-called 'broker', which usually works together with a few or many car rental companies and can offer the best deal. Some examples include Holidayautos, Holidaycars and Sunny Cars. Some of the cheapest deals to book from Europe, includes Drive-USA, which also has a German version.
For more information and tips about renting cars and campers, additional costs, insurance, traffic rules, scenic routes and getting maps and fuel it is advised to check the USA Getting Around section.
There is a very small internet bar/cafe culture in the USA. Even then most of the internet bars/cafes tend be located in major urban centers. Accessible WiFi networks, however, are common. The most generally useful WiFi spots are in coffee shops, fast-food chains, and bookshops, but also restaurants and hotels more and more have a network to connect on. Some of them might require you to buy something and you might need a password too, especially in hotels.
See also International Telephone Calls
The general emergency phone number is 911. The USA has a great landline phone system that is easy to use. The country code for the U.S. is +1. The rest of the telephone number consists of 10 digits: a 3-digit area code, and a 7-digit number. Any small grocery store or pharmacy has pre paid domestic or international phone cards. These phone cards are very cheap and offer good rates. The once ubiquitous pay phone is now much harder to find. Likely locations include in or near stores and restaurants, and near bus stops. The cellphone network in the states is slowly getting better but is still not as good when compared to other western countries. Cell phones tend to operate using different frequencies (850 MHz and 1900 MHz) from those used elsewhere in the world (2100 MHz). This used to prevent most foreign phones from working in America. Phones must be tri- or quad-band to work in the U.S. Fortunately, technology has meant that most phones should now be able to pick up one of the U.S. networks. Prepaid phones and top-up cards can be purchased at mobile phone boutiques and at many discount, electronics, office supply and convenience stores. A very basic handset with some credit can be had for under $40.
The US Postal Service is a very good and well priced mail system. There are post offices in every small and large town for sending packages internationally or domestically. Although some might keep longer hours, most are open at least between 9:00am and 5:00pm. If wanting to send a letter or postcard it is best just to leave it in a blue mail box with the proper postage. First-class international airmail postcards and letters (up 28.5 grams) cost $1.10. There are also private postal services like FedEx, UPS, TNT and DHL, which might be better value sometimes and are generally very quick and reliable too.
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