FrostDateByZip

Frost dates for 03262North Woodstock, NH

The average last spring frost in North Woodstock is May 7 and the average first fall frost is October 4, giving a typical growing season of about 149 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 7

Safer after May 19 (1-in-10 risk)

Average first fall frost
Oct 4

Possible by Sep 22 (1-in-10 risk)

Growing season
149 days

Last frost typically in 187 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.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)May 8 · May 20 · Jun 1Sep 11 · Sep 24 · Oct 5126 days100%
Frost / freeze (32°F)Apr 25 · May 7 · May 19Sep 22 · Oct 4 · Oct 19149 days100%
Hard freeze (28°F)Apr 10 · Apr 24 · May 5Oct 2 · Oct 17 · Nov 3175 days100%

Planting calendar for North Woodstock

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.

CropTaskWindow
TomatoesStart seeds indoorsApr 6 – Jun 12
TomatoesTransplant outdoorsMay 23 – Jun 14
PeppersStart seeds indoorsApr 6 – May 7
PeppersTransplant outdoorsJun 6 – Jul 7
EggplantStart seeds indoorsApr 23 – May 22
EggplantTransplant outdoorsJun 6 – Jul 7
CucumbersSow outdoorsJun 6 – Jun 24
Summer squashSow outdoorsMay 23 – Jul 7
Winter squash & pumpkinsSow outdoorsJun 6 – Jul 7
Snap beansSow outdoorsMay 23 – Jul 17
Sweet cornSow outdoorsMay 23 – Jun 14
Watermelon & cantaloupeSow outdoorsJun 6 – Jul 7
OkraSow outdoorsMay 30 – Jun 22
PeasSow outdoors (spring)Apr 6 – May 22
PotatoesPlant outdoors (spring)Apr 6 – Jun 6
OnionsStart seeds indoors (spring)Feb 23 – Mar 22
OnionsTransplant outdoors (spring)Apr 23 – May 22
BroccoliStart seeds indoors (spring)Mar 19 – Apr 22
BroccoliTransplant outdoors (spring)Apr 23 – May 22
BroccoliStart seeds indoors (fall)Jun 4 – Jun 14
BroccoliTransplant outdoors (fall)Jul 4 – Jul 15
CabbageStart seeds indoors (spring)Mar 9 – Apr 6
CabbageTransplant outdoors (spring)Apr 6 – May 7
CabbageStart seeds indoors (fall)May 25 – Jun 24
CabbageTransplant outdoors (fall)Jun 24 – Jul 25
Leaf lettuceSow outdoors (spring)Apr 6 – Jun 22
Leaf lettuceSow outdoors (fall)Jun 24 – Aug 10
SpinachSow outdoors (spring)Mar 30 – May 13
SpinachSow outdoors (fall)Jul 11 – Aug 15
RadishesSow outdoors (spring)Apr 6 – May 27
RadishesSow outdoors (fall)Jun 24 – Aug 25
KaleSow outdoors (spring)Apr 23 – May 13
KaleSow outdoors (fall)Jun 17 – Jul 25
CarrotsSow outdoors (spring)May 7 – Jun 22
CarrotsSow outdoors (fall)May 25 – Jul 10
GarlicPlant outdoors (fall)Sep 24 – Oct 25

Where these dates come from

ZIP code 03262 is matched to the NOAA station Lincoln Nepp, NH, 1.3 km away, at 807 ft elevation (30 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Lincoln Nepp, NH (used)807 ftMay 7Oct 4
Waterville Valley Nepp, NH1,429 ftMay 15Sep 28
Benton 5 Sw, NH1,200 ftMay 15Sep 28
Wentworth, NH653 ftMay 12Oct 6

Frost dates near North Woodstock

Frequently asked questions

When is the last frost in North Woodstock, NH?
For ZIP code 03262, the average last spring frost (32°F) is May 7, based on NOAA 1991-2020 climate normals for the Lincoln Nepp, NH weather station. There is a 1-in-10 chance of a frost after May 19.
When is the first frost in North Woodstock, NH?
The average first fall frost (32°F) is October 4. There is a 1-in-10 chance of frost by September 22, so tender plants are at risk from that point on.
How long is the growing season in 03262?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 149 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.