Hannibal, NY frost dates
Last spring frostApr 27median date
First fall frostOct 24median date
Growing season180 daysfrost-free
Hardiness zone6aZone 6a
How Hannibal compares
- In 8 years out of 10, the last spring frost in Hannibal falls between April 13 and May 9, a 26-day window. The first fall frost falls between October 4 and November 8.
- The median last frost is 6 days earlier than the New York median of May 3.
- Its 180-day growing season is longer than 75% of the 1,610 New York places with a regular frost season (state median 163 days).
- The last frost is typical for zone 6a, where the median is Apr 29.
- The weather station records an average of 132 nights a year at or below 32°F.
- Compared with Clay, NY, 34 km away, the last frost here is 7 days earlier than there and the growing season is 20 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 13 |
| 50% (median) | April 27 |
| 10% (safe for tender plants) | May 9 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 4 |
| 50% (median) | October 24 |
| 90% (late) | November 8 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Hannibal, NY
Hannibal, NY frost dates — last frost Apr 27, first frost Oct 24, zone 6a. whenisthelastfrost.com
Crop
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Start indoors: Feb 2 to Feb 16Transplant outside: Mar 30 to Apr 13
Start indoors: Feb 16 to Mar 2Transplant outside: May 11 to May 25
Start indoors: Feb 16 to Mar 2Transplant outside: May 11 to May 25
Start indoors: Mar 2 to Mar 16Transplant outside: May 4 to May 18
Start indoors: Mar 2 to Mar 16Transplant outside: Apr 6 to Apr 20Sow outdoors: Mar 30 to May 4Plant for fall: Aug 29 to Sep 26
Start indoors: Mar 2 to Mar 16Transplant outside: Mar 30 to Apr 13Sow outdoors: Mar 30 to Apr 13Plant for fall: Aug 15 to Sep 5
Start indoors: Mar 2 to Mar 16Transplant outside: Apr 13 to Apr 27Plant for fall: Jul 18 to Aug 8
Start indoors: Mar 2 to Mar 16Transplant outside: Apr 6 to Apr 20Plant for fall: Jul 18 to Aug 8
Start indoors: Mar 2 to Mar 16Transplant outside: Apr 13 to Apr 27Plant for fall: Jul 18 to Aug 8
Start indoors: Mar 16 to Mar 30Transplant outside: May 18 to Jun 1Sow outdoors: May 18 to Jun 1
Start indoors: Mar 16 to Mar 30Transplant outside: May 4 to May 18
Sow outdoors: Mar 16 to Apr 6Plant for fall: Aug 1 to Aug 22
Sow outdoors: Mar 16 to Apr 6Plant for fall: Aug 29 to Sep 19
Sow outdoors: Mar 23 to May 4Plant for fall: Sep 12 to Oct 3
Start indoors: Mar 30 to Apr 6Transplant outside: May 11 to May 18Sow outdoors: May 4 to May 18Plant for fall: Aug 8 to Aug 22
Start indoors: Mar 30 to Apr 6Sow outdoors: May 4 to May 18Plant for fall: Aug 15 to Aug 29
Start indoors: Mar 30 to Apr 6Sow outdoors: May 4 to May 18
Start indoors: Mar 30 to Apr 6Transplant outside: May 11 to May 25
Sow outdoors: Apr 6 to May 4Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 6 to May 4Plant for fall: Aug 15 to Aug 29
Sow outdoors: Apr 6 to Apr 27
Sow outdoors: Apr 13 to May 11Plant for fall: Aug 15 to Aug 29
Sow outdoors: Apr 13 to May 4Plant for fall: Aug 29 to Sep 19
Sow outdoors: May 4 to May 25Plant for fall: Aug 8 to Aug 22
Sow outdoors: May 4 to May 18
Transplant outside: May 11 to Jun 1
Plant for fall: Oct 10 to Nov 14
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Hannibal, NY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 2 – Feb 16 | Mar 30 – Apr 13 | — | — |
| Peppers | Feb 16 – Mar 2 | May 11 – May 25 | — | — |
| Eggplant | Feb 16 – Mar 2 | May 11 – May 25 | — | — |
| Tomatoes | Mar 2 – Mar 16 | May 4 – May 18 | — | — |
| Lettuce | Mar 2 – Mar 16 | Apr 6 – Apr 20 | Mar 30 – May 4 | Aug 29 – Sep 26 |
| Kale | Mar 2 – Mar 16 | Mar 30 – Apr 13 | Mar 30 – Apr 13 | Aug 15 – Sep 5 |
| Broccoli | Mar 2 – Mar 16 | Apr 13 – Apr 27 | — | Jul 18 – Aug 8 |
| Cabbage | Mar 2 – Mar 16 | Apr 6 – Apr 20 | — | Jul 18 – Aug 8 |
| Cauliflower | Mar 2 – Mar 16 | Apr 13 – Apr 27 | — | Jul 18 – Aug 8 |
| Okra | Mar 16 – Mar 30 | May 18 – Jun 1 | May 18 – Jun 1 | — |
| Basil | Mar 16 – Mar 30 | May 4 – May 18 | — | — |
| Peas | — | — | Mar 16 – Apr 6 | Aug 1 – Aug 22 |
| Spinach | — | — | Mar 16 – Apr 6 | Aug 29 – Sep 19 |
| Radishes | — | — | Mar 23 – May 4 | Sep 12 – Oct 3 |
| Cucumbers | Mar 30 – Apr 6 | May 11 – May 18 | May 4 – May 18 | Aug 8 – Aug 22 |
| Zucchini & Summer Squash | Mar 30 – Apr 6 | — | May 4 – May 18 | Aug 15 – Aug 29 |
| Winter Squash & Pumpkins | Mar 30 – Apr 6 | — | May 4 – May 18 | — |
| Melons & Watermelon | Mar 30 – Apr 6 | May 11 – May 25 | — | — |
| Carrots | — | — | Apr 6 – May 4 | Aug 1 – Aug 15 |
| Beets | — | — | Apr 6 – May 4 | Aug 15 – Aug 29 |
| Potatoes | — | — | Apr 6 – Apr 27 | — |
| Swiss Chard | — | — | Apr 13 – May 11 | Aug 15 – Aug 29 |
| Cilantro | — | — | Apr 13 – May 4 | Aug 29 – Sep 19 |
| Green Beans | — | — | May 4 – May 25 | Aug 8 – Aug 22 |
| Sweet Corn | — | — | May 4 – May 18 | — |
| Sweet Potatoes | — | May 11 – Jun 1 | — | — |
| Garlic | — | — | — | Oct 10 – Nov 14 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Fulton, NY weather station, 12 km away (elevation 361 ft (110 m)).
Frost dates near Hannibal
- Martville Apr 27 · Oct 24
- Sterling Apr 22 · Oct 29
- Minetto Apr 22 · Oct 29
- Fulton Apr 27 · Oct 24
- Cato Apr 27 · Oct 24
- Oswego Apr 22 · Oct 29
- Meridian Apr 27 · Oct 24
- Red Creek Apr 27 · Oct 24
- Plainville Apr 27 · Oct 24
- Phoenix May 4 · Oct 11
Frequently asked questions
When is the last frost in Hannibal, NY?
The median last spring frost in Hannibal, NY is April 27. There is still about a 10% chance of frost after May 9, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Hannibal, NY?
The median first fall frost is October 24, with about a 10% chance of frost before October 4.
How long is the growing season in Hannibal, NY?
About 180 days between the median last spring frost and first fall frost.
What planting zone is Hannibal, NY?
Hannibal, NY is in USDA hardiness zone 6a.