Last frost date in Pittsburg, KS
In Pittsburg, the last spring frost comes around April 7 in an average year. Wait until April 24 if you want 90% odds of no more frost. The first fall frost usually arrives about October 30, which leaves 203 frost-free days. An early freeze before October 17 happens one year in ten.
- Safe after (10% risk)
- Apr 24
- Average first frost
- Oct 30
- Frost-free season
- 203 days
- Hard freeze (28°F) ends
- Mar 29
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2252°
- FriOct 2354°
- SatOct 2454°
- SunOct 2554°
- MonOct 2651°
- TueOct 2747°
- WedOct 2850°
Planting calendar for Pittsburg
Windows count forward or back from the average frost dates above. Click a crop for dates across Kansas.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 24 | Apr 7 | Apr 24 | Oct 17 | Oct 30 | Nov 10 |
| Hard freeze, 28°F | Mar 12 | Mar 29 | Apr 12 | Oct 25 | Nov 6 | Nov 21 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Pittsburg (USC00146414) sits 1.6 miles from the center of Pittsburg at 908 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Pittsburg, KS?
The average last frost date in Pittsburg is April 7, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 24.
When is the first frost in Pittsburg?
The first frost in fall usually comes around October 30. One year in ten it arrives before October 17.
How long is the growing season in Pittsburg?
About 203 days between the average last and first frost.
When should I plant tomatoes in Pittsburg?
Plant tomato seedlings outside from April 14 to April 28. Start seeds indoors six to eight weeks earlier.
Nearby in Kansas
- GardnerApr 13
- OlatheApr 10
- Overland ParkApr 10
- LeawoodApr 8
- EmporiaApr 15
- LenexaApr 10
- Prairie VillageApr 4
- ShawneeApr 16
- LawrenceApr 12
- Kansas CityApr 4
- TopekaApr 16
- LeavenworthApr 12