Effects of weather on sport

In cross country skiing world cup, races are cancelled or postponed if the temperature in a major portion of the course is -25°C or lower, while in biathlon the limit is -20°C.

Training regimes may include methods of heat acclimatization, and regulations in some sports stipulate the intensity of some schedules.

The National Collegiate Athletic Association (NCAA) in North America requires teams to build up the level of training in hot weather.

When played professionally, the following sports do not usually take place during any level of precipitation: When the rain is excessive an event might be canceled because of a waterlogged pitch.

Cricket test matches often finish when the umpire decides that the light level is too low and the timing of this can sometimes be controversial.