Frost dates · Montana
When is the first frost in Billings?
Billings right now
39°FBroken cloud
- Today50°F / 41°FClouds
- Tomorrow55°F / 37°FClouds
- Monday54°F / 37°FClouds
Grey. Shocking, I know.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical year, Billings’s first frost comes around October 7 and its last around May 4.
One year in ten the first frost comes as early as September 26, and nine years in ten it has arrived by October 21. One year in ten the last frost is over as early as April 20, and nine years in ten it is over by May 18. Billings averages about 142 nights a year at 32°F or colder, with about 156 frost-free days in between in a typical year. It’s frost season here, and the last frost usually comes around May 4. That makes it the 17th earliest first frost of the 117 cities we track where it freezes most years.
Last updated
No freeze in the forecast for the next 48 hours.
Billings goes from last frost in May to first frost in October, and calls the bit in between summer with a straight face.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Frost dates, early, typical and late years
| Early year (1 in 10) | Typical | Late year (1 in 10) | |
|---|---|---|---|
| First frost | September 26 | October 7 | October 21 |
| Last frost | April 20 | May 4 | May 18 |
A frost date here is a night when the official thermometer reads 32°F or colder. Frost on the ground can show up on clear, calm nights a few degrees milder.
Cities with about the same first frost
- Sioux Falls, South Dakota: first frost around October 6
- Denver, Colorado: first frost around October 9
- Green Bay, Wisconsin: first frost around October 9
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00024033.