I fixed a 1998 Ford Contour that wouldn't start after sitting for a while in cold weather. The problem was a corroded ground connector in the wiring at the fuel pump. A couple years later, it was left sitting again, and sure enough, it wouldn't start. Same problem, same fix. It can happen, though I'm not sure I would have believed it if I hadn't seen it with my own eyes.
You should be able to hear the fuel pump briefly after turning the ignition key to the accessory position. If you don't, the first thing to check is the fuel pump relay. The location should be in your owners manual, it's probably in a box in the engine compartment with some fuses and other relays. Swap the relay with a known good good one. You might be able to feel the relay engage if you have your finger on it when it gets power (don't start the engine, just turn the key to the accessory position).
Once you've ruled out the relay, it's probably time to check for fuel pressure. If you can get your hands on a fuel pressure test gauge, check it at the fuel rail under the hood, there should be a test port. You can rent the gauge from some auto parts stores. This is the "least likely to start a fire" method of checking the fuel pressure, and the only one I'd recommend.
If the pressure is low, the pump may have one foot in the grave, and if it's zip, you've got a dead pump or a problem with the wiring between the relay and the pump. I suppose you could have a clogged fuel filter too, that's worth checking, just be careful when disconnecting the fuel lines. Since your vehicle hasn't been running, you don't have to worry about hot exhaust components, but disconnect the battery for the sake of safety and be careful not to generate any sparks. Also, be prepared to deal with a bit of spilled gasoline (and don't catch it in the face). Might as well change the filter while you're down there.
If the fuel pressure is good (you need to find out what the expected value is), your problem is not the fuel pump. If you're getting spark and fuel but it still won't start, it might be time to check the timing.