Frost dates for 62092White Hall, IL
The average last spring frost in White Hall is April 13 and the average first fall frost is October 22, giving a typical growing season of about 190 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 13
- Average first fall frost
- Oct 22
- Growing season
- 190 days
Safer after Apr 28 (1-in-10 risk)
Possible by Oct 9 (1-in-10 risk)
Last frost typically in 165 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Apr 11 · Apr 25 · May 9 | Sep 29 · Oct 12 · Oct 24 | 169 days | 100% |
| Frost / freeze (32°F) | Mar 30 · Apr 13 · Apr 28 | Oct 9 · Oct 22 · Nov 2 | 190 days | 100% |
| Hard freeze (28°F) | Mar 16 · Apr 2 · Apr 17 | Oct 19 · Nov 1 · Nov 14 | 211 days | 100% |
Planting calendar for White Hall
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Mar 13 – May 19 |
| Tomatoes | Transplant outdoors | Apr 29 – Jul 2 |
| Peppers | Start seeds indoors | Mar 13 – Apr 13 |
| Peppers | Transplant outdoors | May 13 – Jun 13 |
| Eggplant | Start seeds indoors | Mar 30 – Apr 28 |
| Eggplant | Transplant outdoors | May 13 – Jun 13 |
| Cucumbers | Sow outdoors | May 13 – Jul 12 |
| Summer squash | Sow outdoors | Apr 29 – Jun 13 |
| Winter squash & pumpkins | Sow outdoors | May 13 – Jun 13 |
| Snap beans | Sow outdoors | Apr 29 – Aug 4 |
| Sweet corn | Sow outdoors | Apr 29 – Jul 2 |
| Watermelon & cantaloupe | Sow outdoors | May 13 – Jun 13 |
| Okra | Sow outdoors | May 6 – May 29 |
| Peas | Sow outdoors (spring) | Mar 13 – Apr 28 |
| Potatoes | Plant outdoors (spring) | Mar 13 – May 13 |
| Onions | Start seeds indoors (spring) | Jan 30 – Feb 26 |
| Onions | Transplant outdoors (spring) | Mar 30 – Apr 28 |
| Broccoli | Start seeds indoors (spring) | Feb 23 – Mar 29 |
| Broccoli | Transplant outdoors (spring) | Mar 30 – Apr 28 |
| Broccoli | Start seeds indoors (fall) | Jun 22 – Jul 2 |
| Broccoli | Transplant outdoors (fall) | Jul 22 – Aug 2 |
| Cabbage | Start seeds indoors (spring) | Feb 13 – Mar 13 |
| Cabbage | Transplant outdoors (spring) | Mar 13 – Apr 13 |
| Cabbage | Start seeds indoors (fall) | Jun 12 – Jul 12 |
| Cabbage | Transplant outdoors (fall) | Jul 12 – Aug 12 |
| Leaf lettuce | Sow outdoors (spring) | Mar 13 – May 29 |
| Leaf lettuce | Sow outdoors (fall) | Jul 12 – Aug 28 |
| Spinach | Sow outdoors (spring) | Mar 6 – Apr 19 |
| Spinach | Sow outdoors (fall) | Jul 29 – Sep 2 |
| Radishes | Sow outdoors (spring) | Mar 13 – May 3 |
| Radishes | Sow outdoors (fall) | Jul 12 – Sep 12 |
| Kale | Sow outdoors (spring) | Mar 30 – Apr 19 |
| Kale | Sow outdoors (fall) | Jul 5 – Aug 12 |
| Carrots | Sow outdoors (spring) | Apr 13 – May 29 |
| Carrots | Sow outdoors (fall) | Jun 12 – Jul 28 |
| Garlic | Plant outdoors (fall) | Oct 12 – Nov 12 |
Where these dates come from
ZIP code 62092 is matched to the NOAA station White Hall 1 E, IL, 2.4 km away, at 580 ft elevation (22 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| White Hall 1 E, IL (used) | 580 ft | Apr 13 | Oct 22 |
| Winchester, IL | 551 ft | Apr 18 | Oct 20 |
| Jacksonville 2, IL | 626 ft | Apr 17 | Oct 21 |
| Jerseyville 2 Sw, IL | 630 ft | Apr 14 | Oct 19 |
Frost dates near White Hall
- Roodhouse, IL 62082 · last Apr 13, first Oct 22
- Patterson, IL 62078 · last Apr 13, first Oct 22
- Hillview, IL 62050 · last Apr 13, first Oct 22
- Wrights, IL 62098 · last Apr 13, first Oct 22
- Manchester, IL 62663 · last Apr 13, first Oct 22
- Carrollton, IL 62016 · last Apr 13, first Oct 22
- Alsey, IL 62610 · last Apr 18, first Oct 20
- Greenfield, IL 62044 · last Apr 13, first Oct 22
Frequently asked questions
- When is the last frost in White Hall, IL?
- For ZIP code 62092, the average last spring frost (32°F) is April 13, based on NOAA 1991-2020 climate normals for the White Hall 1 E, IL weather station. There is a 1-in-10 chance of a frost after April 28.
- When is the first frost in White Hall, IL?
- The average first fall frost (32°F) is October 22. There is a 1-in-10 chance of frost by October 9, so tender plants are at risk from that point on.
- How long is the growing season in 62092?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 190 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.