They needed a continuous supply of fresh water, even in sub-zero weather.
Then a would-be compliment: "You'd thrive in sub-zero weather in Siberia without matches."
Lemmon also caught a cold when one scene on a park bench was filmed in sub-zero weather.
Just before fireworks surrounded the beautiful riverside Parliament, the sub-zero weather raised a cold fog from the Danube, rendering them invisible.
In the winter of 1944, the battalion took part in a maneuver in sub-zero weather.
He was proud of his "wheels", wearing shorts every day of the year, even in sub-zero weather.
He was utterly matter-of-fact, as if he were telling the story of going to his lab with no light and no heat in sub-zero weather.
Beckstrom takes along 600 fleece booties to protect the dogs' feet in sub-zero weather, granular snow or ice.
In some years, the grapes must be harvested in sub-zero weather from high vineyards open to Arctic winds.