Rumney, NH frost dates
How Rumney compares
- In 8 years out of 10, the last spring frost in Rumney falls between April 30 and May 25, a 25-day window. The first fall frost falls between September 23 and October 22.
- The median last frost is 5 days later than the New Hampshire median of May 7.
- Its 147-day growing season is longer than 35% of the 252 New Hampshire places with a regular frost season (state median 150 days).
- The last frost is 9 days later than the zone 5a median of May 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5a chart.
- The weather station records an average of 178 nights a year at or below 32°F.
- Compared with Manchester, NH, 96 km away, the last frost here is 12 days later than there and the growing season is 17 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 30 |
| 50% (median) | May 12 |
| 10% (safe for tender plants) | May 25 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 23 |
| 50% (median) | October 6 |
| 90% (late) | October 22 |
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 Rumney, NH
Rumney, NH frost dates — last frost May 12, first frost Oct 6, zone 5a. whenisthelastfrost.com
When to plant vegetables in Rumney, NH
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 17 – Mar 3 | Apr 14 – Apr 28 | — | — |
| Peppers | Mar 3 – Mar 17 | May 26 – Jun 9 | — | — |
| Eggplant | Mar 3 – Mar 17 | May 26 – Jun 9 | — | — |
| Tomatoes | Mar 17 – Mar 31 | May 19 – Jun 2 | — | — |
| Lettuce | Mar 17 – Mar 31 | Apr 21 – May 5 | Apr 14 – May 19 | Aug 11 – Sep 8 |
| Kale | Mar 17 – Mar 31 | Apr 14 – Apr 28 | Apr 14 – Apr 28 | Jul 28 – Aug 18 |
| Broccoli | Mar 17 – Mar 31 | Apr 28 – May 12 | — | Jun 30 – Jul 21 |
| Cabbage | Mar 17 – Mar 31 | Apr 21 – May 5 | — | Jun 30 – Jul 21 |
| Cauliflower | Mar 17 – Mar 31 | Apr 28 – May 12 | — | Jun 30 – Jul 21 |
| Okra | Mar 31 – Apr 14 | Jun 2 – Jun 16 | Jun 2 – Jun 16 | — |
| Basil | Mar 31 – Apr 14 | May 19 – Jun 2 | — | — |
| Peas | — | — | Mar 31 – Apr 21 | Jul 14 – Aug 4 |
| Spinach | — | — | Mar 31 – Apr 21 | Aug 11 – Sep 1 |
| Radishes | — | — | Apr 7 – May 19 | Aug 25 – Sep 15 |
| Cucumbers | Apr 14 – Apr 21 | May 26 – Jun 2 | May 19 – Jun 2 | Jul 21 – Aug 4 |
| Zucchini & Summer Squash | Apr 14 – Apr 21 | — | May 19 – Jun 2 | Jul 28 – Aug 11 |
| Winter Squash & Pumpkins | Apr 14 – Apr 21 | — | May 19 – Jun 2 | — |
| Melons & Watermelon | Apr 14 – Apr 21 | May 26 – Jun 9 | — | — |
| Carrots | — | — | Apr 21 – May 19 | Jul 14 – Jul 28 |
| Beets | — | — | Apr 21 – May 19 | Jul 28 – Aug 11 |
| Potatoes | — | — | Apr 21 – May 12 | — |
| Swiss Chard | — | — | Apr 28 – May 26 | Jul 28 – Aug 11 |
| Cilantro | — | — | Apr 28 – May 19 | Aug 11 – Sep 1 |
| Green Beans | — | — | May 19 – Jun 9 | Jul 21 – Aug 4 |
| Sweet Corn | — | — | May 19 – Jun 2 | — |
| Sweet Potatoes | — | May 26 – Jun 16 | — | — |
| Garlic | — | — | — | Sep 22 – Oct 27 |
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 Wentworth, NH weather station, 9 km away (elevation 653 ft (199 m)).
Frost dates near Rumney
- Wentworth May 12 · Oct 6
- Hebron May 20 · Sep 27
- Plymouth May 20 · Sep 27
- Campton May 20 · Sep 27
- Warren May 12 · Oct 6
- Thornton May 15 · Sep 28
- Glencliff May 15 · Sep 28
- Holderness May 20 · Sep 27
- Canaan May 21 · Sep 26
- Lyme Center May 9 · Oct 2
Frequently asked questions
When is the last frost in Rumney, NH?
The median last spring frost in Rumney, NH is May 12. There is still about a 10% chance of frost after May 25, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Rumney, NH?
The median first fall frost is October 6, with about a 10% chance of frost before September 23.
How long is the growing season in Rumney, NH?
About 147 days between the median last spring frost and first fall frost.
What planting zone is Rumney, NH?
Rumney, NH is in USDA hardiness zone 5a.