You must like short cycling of the sump pump . Most sump pumps are installed in a heated area
I have the float setup so that it runs a minimum of 60 seconds. I could set the float much higher but that would cut into the 4 hours it typically takes for the level to breach the top of the pit. During Spring thaw the pump runs about once per hour and when raining really hard, every fifteen minutes. I monitor and trend it with software. 2:00 AM was when my iron filter backwashed.
The pump is in a heated area but the far end of the discharge pipe where it breaks to the surface is outside.
The discharge pipe goes down below the footing and continues (below the frost line) to slope down until it turns vertical to the surface, so it is only a portion of the short vertical section that drains back into the pit. The entire run is insulated including the vertical where it breaks to the surface. I keep good snow cover over it.