Water reaches a roaring boil at 212 degrees Fahrenheit or 100 degrees Celsius.
Adding salt to boiling water will actually make the water boil slower. Salt increases the boiling point of water by raising its boiling point temperature. As a result, it will take longer for the water to reach the new, higher boiling point temperature and thus boil.
A liquid boils when the vapor pressure of the liquid is equal to the atmospheric pressure. The presence of salt in the water reduces the vapor pressure of the water at the temperature at which plain or distilled water will boil. Since the temperature of the salt water must be higher to reach the same vapor pressure as the atmosphere, it takes longer to boil.
At sea level water boils at 212f, to reach a higher temperature reading you would have to add pressure.
The force of atmospheric pressure makes it harder to boil water on a stove because it pushes down on the water's surface, increasing the boiling point. This means the water needs to reach a higher temperature to overcome the pressure and boil.
Yes, drinking water does boil at a lower temperature than salt water.
Air pressure and moisture in the air can affect the length of time it takes for something to start boiling. But the affect would not be very high I must say, this is an interesting question. I do not believe that weather affects how long water takes to boil unless you are outside. I am not a physics professor, however.
Covering a pot can make it boil faster because it traps heat and prevents it from escaping, which helps the water reach boiling temperature more quickly.
Water takes longer to boil at higher elevations because the atmospheric pressure is lower, which reduces the boiling point of the water. At higher elevations, there is less air pressing down on the water, so it needs to reach a higher temperature to boil.
Place the container of water in a vacuum & it should start to boil at room temperature.
100
Gabe temperature
212