In cold weather, great white sharks will often migrate to warmer waters. This is because they need to maintain a body temperature of around 18 degrees Celsius in order to function properly. If the water temperature drops below this, the shark's metabolism will slow down and it will become more lethargic. In extreme cases, a great white shark can even die from hypothermia.
In hot weather, great white sharks will often move to deeper waters where the temperature is cooler. This is because they need to avoid overheating. If the water temperature gets too high, the shark's metabolism will speed up and it will become more active. This can lead to the shark becoming stressed and even dying.
Great white sharks are able to survive in a wide range of temperatures, but they are most comfortable in water that is between 18 and 24 degrees Celsius. When the water temperature is outside of this range, the shark will either migrate to a more suitable location or adjust its behavior in order to cope with the conditions.