0 Sub-zero temperatures are temperatures below zero degrees.
He painted outdoors in every kind of weather, including rain, snow, sleet, and sub-zero temperatures.
However, the search continued in the sub-zero weather and rising seas.
It was their third night in the open sub-zero temperature.
The winters are cold but sub-zero temperatures are rare.
Winter is not so severe, with an average of 22 days of sub-zero temperature.
They are a very hardy breed and don't mind fairly mild sub-zero temperatures.
For example, zamak 3 exhibits good ductility at room temperature but shatters at sub-zero temperatures when impacted.
For five out of the seven days the daily average temperature was sub-zero.
