A car could sputter in the rain if the car needs new seals. There could also be a spark plug or wire that needs to be replaced.
A vehicle may sputter after a heavy rain due to rain water getting into the gas tank. This can be fixed simply by purchasing a fuel injector cleaner from a local automotive store.
check your gas filter
No
because itt needs to be work on
It may need a tune up.
A sparkplug misfiring.
Most common cause would be the plus wires. Dampness causes them to arc and the cylinder that the wire is arcing on won't fire causing a miss/sputter.
There could be several reasons why a car would sputter and shut off. The car might be out of gas, dead battery, bad starter, alternator problems or other issues. It is best to have it checked out by a licensed mechanic.
A malfunctioning battery can't provide enough power to your ignition system when the motor is idling can cause sputtering. If there is not enough gas, that can cause your vehicle to sputter. If the spark plugs fail to fire will also cause your vehicle to sputter.
ice in the fuel system
it could be alot of things from clogged fuel injectors to being out of gas
There are a number of reasons why a car would idle find but sputter when you accelerate. It could need a new spark plugs. You may also have to replace the filters. It might also be an issue with the air flow.