Last frost date in El Reno, OK
In El Reno, the last spring frost comes around April 6 in an average year. Wait until April 22 if you want 90% odds of no more frost. The first fall frost usually arrives about October 31, which leaves 206 frost-free days. An early freeze before October 15 happens one year in ten.
- Safe after (10% risk)
- Apr 22
- Average first frost
- Oct 31
- Frost-free season
- 206 days
- Hard freeze (28°F) ends
- Mar 26
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:24 UTC
- ThuOct 2257°
- FriOct 2358°
- SatOct 2457°
- SunOct 2556°
- MonOct 2652°
- TueOct 2750°
- WedOct 2853°
Planting calendar for El Reno
Windows count forward or back from the average frost dates above. Click a crop for dates across Oklahoma.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 21 | Apr 6 | Apr 22 | Oct 15 | Oct 31 | Nov 13 |
| Hard freeze, 28°F | Mar 9 | Mar 26 | Apr 11 | Oct 24 | Nov 7 | Nov 24 |
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 El Reno 1 N (USC00342818) sits 0.6 miles from the center of El Reno at 1,325 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 El Reno, OK?
The average last frost date in El Reno is April 6, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 22.
When is the first frost in El Reno?
The first frost in fall usually comes around October 31. One year in ten it arrives before October 15.
How long is the growing season in El Reno?
About 206 days between the average last and first frost.
When should I plant tomatoes in El Reno?
Plant tomato seedlings outside from April 13 to April 27. Start seeds indoors six to eight weeks earlier.
Nearby in Oklahoma
- YukonApr 2
- MustangApr 4
- BethanyApr 2
- Oklahoma CityApr 4
- Del CityApr 2
- MooreMar 31
- EdmondApr 10
- Midwest CityApr 2
- NormanApr 3
- ShawneeMar 30
- EnidApr 6
- StillwaterApr 5