Frost dates · North Dakota
North Dakota counties by frost timing.
Latest at top, earliest at bottom. In most states this matches the north-to-south gradient.
Sorted by spring frost
Latest → earliest.
Adams County
Spring May 13·Fall Sep 27137-day season
Grant County
Spring May 11·Fall Oct 2144-day season
Mercer County
Spring May 11·Fall Sep 28140-day season
Towner County
Spring May 11·Fall Oct 3145-day season
Williams County
Spring May 11·Fall Sep 28140-day season
Burke County
Spring May 10·Fall Sep 25138-day season
Dunn County
Spring May 9·Fall Sep 30144-day season
Renville County
Spring May 9·Fall Oct 1145-day season
Rolette County
Spring May 9·Fall Oct 2146-day season
Morton County
Spring May 8·Fall Sep 30145-day season
Mountrail County
Spring May 8·Fall Sep 30145-day season
Stark County
Spring May 8·Fall Oct 3148-day season
Cavalier County
Spring May 7·Fall Oct 4150-day season
Divide County
Spring May 7·Fall Sep 30146-day season
Griggs County
Spring May 7·Fall Oct 2148-day season
Hettinger County
Spring May 7·Fall Oct 3149-day season
Golden Valley County
Spring May 6·Fall Oct 4151-day season
Pierce County
Spring May 6·Fall Oct 1148-day season
Bottineau County
Spring May 5·Fall Oct 3151-day season
Bowman County
Spring May 5·Fall Oct 3151-day season
Kidder County
Spring May 5·Fall Oct 5153-day season
McIntosh County
Spring May 5·Fall Oct 4152-day season
Barnes County
Spring May 4·Fall Oct 5154-day season
Benson County
Spring May 4·Fall Oct 8157-day season
Foster County
Spring May 4·Fall Oct 5154-day season
Grand Forks County
Spring May 4·Fall Oct 5154-day season
Logan County
Spring May 4·Fall Oct 6155-day season
Eddy County
Spring May 3·Fall Oct 7157-day season
Emmons County
Spring May 3·Fall Oct 5155-day season
Ransom County
Spring May 3·Fall Oct 4154-day season
Slope County
Spring May 3·Fall Oct 6156-day season
Steele County
Spring May 3·Fall Oct 4154-day season
Ward County
Spring May 3·Fall Oct 5155-day season
McLean County
Spring May 2·Fall Oct 8159-day season
Nelson County
Spring May 2·Fall Oct 7158-day season
Pembina County
Spring May 2·Fall Oct 10161-day season
Wells County
Spring May 2·Fall Oct 6157-day season
Burleigh County
Spring May 1·Fall Oct 9161-day season
LaMoure County
Spring May 1·Fall Oct 6158-day season
Oliver County
Spring May 1·Fall Oct 7159-day season
Sioux County
Spring May 1·Fall Oct 4156-day season
Stutsman County
Spring May 1·Fall Oct 6158-day season
Billings County
Spring Apr 30·Fall Oct 9162-day season
Dickey County
Spring Apr 30·Fall Oct 5158-day season
McHenry County
Spring Apr 30·Fall Oct 9162-day season
McKenzie County
Spring Apr 30·Fall Oct 7160-day season
Sheridan County
Spring Apr 30·Fall Oct 10163-day season
Cass County
Spring Apr 29·Fall Oct 10164-day season
Sargent County
Spring Apr 29·Fall Oct 9163-day season
Ramsey County
Spring Apr 27·Fall Oct 14170-day season
Walsh County
Spring Apr 24·Fall Oct 17176-day season
Richland County
Spring Apr 23·Fall Oct 18178-day season
Traill County
Spring Apr 23·Fall Oct 20180-day season
Alphabetical · A to Z
- Adams County
- Barnes County
- Benson County
- Billings County
- Bottineau County
- Bowman County
- Burke County
- Burleigh County
- Cass County
- Cavalier County
- Dickey County
- Divide County
- Dunn County
- Eddy County
- Emmons County
- Foster County
- Golden Valley County
- Grand Forks County
- Grant County
- Griggs County
- Hettinger County
- Kidder County
- LaMoure County
- Logan County
- McHenry County
- McIntosh County
- McKenzie County
- McLean County
- Mercer County
- Morton County
- Mountrail County
- Nelson County
- Oliver County
- Pembina County
- Pierce County
- Ramsey County
- Ransom County
- Renville County
- Richland County
- Rolette County
- Sargent County
- Sheridan County
- Sioux County
- Slope County
- Stark County
- Steele County
- Stutsman County
- Towner County
- Traill County
- Walsh County
- Ward County
- Wells County
- Williams County