FrostDateByZip

Frost dates for 02916Rumford, RI

The average last spring frost in Rumford is April 11 and the average first fall frost is October 30, giving a typical growing season of about 199 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 11

Safer after Apr 23 (1-in-10 risk)

Average first fall frost
Oct 30

Possible by Oct 16 (1-in-10 risk)

Growing season
199 days

Last frost typically in 161 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)Apr 14 · Apr 26 · May 7Oct 5 · Oct 18 · Nov 1175 days100%
Frost / freeze (32°F)Apr 1 · Apr 11 · Apr 23Oct 16 · Oct 30 · Nov 12199 days100%
Hard freeze (28°F)Mar 18 · Apr 1 · Apr 11Oct 29 · Nov 9 · Nov 26221 days100%

Planting calendar for Rumford

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 indoorsMar 11 – May 17
TomatoesTransplant outdoorsApr 27 – Jul 10
PeppersStart seeds indoorsMar 11 – Apr 11
PeppersTransplant outdoorsMay 11 – Jun 11
EggplantStart seeds indoorsMar 28 – Apr 26
EggplantTransplant outdoorsMay 11 – Jun 11
CucumbersSow outdoorsMay 11 – Jul 20
Summer squashSow outdoorsApr 27 – Jun 11
Winter squash & pumpkinsSow outdoorsMay 11 – Jun 11
Snap beansSow outdoorsApr 27 – Aug 12
Sweet cornSow outdoorsApr 27 – Jul 10
Watermelon & cantaloupeSow outdoorsMay 11 – Jun 11
OkraSow outdoorsMay 4 – May 27
PeasSow outdoors (spring)Mar 11 – Apr 26
PotatoesPlant outdoors (spring)Mar 11 – May 11
OnionsStart seeds indoors (spring)Jan 28 – Feb 24
OnionsTransplant outdoors (spring)Mar 28 – Apr 26
BroccoliStart seeds indoors (spring)Feb 21 – Mar 27
BroccoliTransplant outdoors (spring)Mar 28 – Apr 26
BroccoliStart seeds indoors (fall)Jun 30 – Jul 10
BroccoliTransplant outdoors (fall)Jul 30 – Aug 10
CabbageStart seeds indoors (spring)Feb 11 – Mar 11
CabbageTransplant outdoors (spring)Mar 11 – Apr 11
CabbageStart seeds indoors (fall)Jun 20 – Jul 20
CabbageTransplant outdoors (fall)Jul 20 – Aug 20
Leaf lettuceSow outdoors (spring)Mar 11 – May 27
Leaf lettuceSow outdoors (fall)Jul 20 – Sep 5
SpinachSow outdoors (spring)Mar 4 – Apr 17
SpinachSow outdoors (fall)Aug 6 – Sep 10
RadishesSow outdoors (spring)Mar 11 – May 1
RadishesSow outdoors (fall)Jul 20 – Sep 20
KaleSow outdoors (spring)Mar 28 – Apr 17
KaleSow outdoors (fall)Jul 13 – Aug 20
CarrotsSow outdoors (spring)Apr 11 – May 27
CarrotsSow outdoors (fall)Jun 20 – Aug 5
GarlicPlant outdoors (fall)Oct 20 – Nov 20

Where these dates come from

ZIP code 02916 is matched to the NOAA station Providence T F Green Ap, RI, 14.8 km away, at 60 ft elevation (2 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Providence T F Green Ap, RI (used)60 ftApr 11Oct 30
Woonsocket, RI110 ftApr 22Oct 19
Nws Boston/Norton, MA85 ftApr 23Oct 17
Norton W, MA95 ftApr 27Oct 15

Frost dates near Rumford

Frequently asked questions

When is the last frost in Rumford, RI?
For ZIP code 02916, the average last spring frost (32°F) is April 11, based on NOAA 1991-2020 climate normals for the Providence T F Green Ap, RI weather station. There is a 1-in-10 chance of a frost after April 23.
When is the first frost in Rumford, RI?
The average first fall frost (32°F) is October 30. There is a 1-in-10 chance of frost by October 16, so tender plants are at risk from that point on.
How long is the growing season in 02916?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 199 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.