Frost dates for Plainfield, Vermont
Half of years have their last spring frost by May 25, but 1 year in 10 still frosts after June 7.
A frost date is really a percentile from 30 years of records at a nearby weather station: in about half of years a frost still comes after the median date. Both numbers are below, so you can choose the risk yourself.
The odds
Last spring frost
How often a frost still comes on or after each date.
- 1 year in 10
- June 7
- 1 year in 5
- June 3
- 3 years in 10
- May 31
- 2 years in 5
- May 28
- Half of years (the median)
- May 25
First fall freeze
How often the first freeze comes on or before each date.
- 1 year in 10
- September 9
- 1 year in 5
- September 13
- 3 years in 10
- September 16
- 2 years in 5
- September 19
- Half of years (the median)
- September 22
- Growing season
- about 119 days
- Hardiness zones nearby
- 4b, 5a
- Summer days
- a usual high of about 25 °C78 °F
- Lettuce and spinach run to seed
- July to August, in hot, long days (how we know)
Summer and rain
A growing garden needs about 25 mm1 in of water a week, rain and watering together. Here is what a normal month brings.
Month by month
- January
- high ~-4 °C25 °F · low ~-16 °C3 °F · rain ~69 mm2.7 in
- February
- high ~-2 °C29 °F · low ~-16 °C4 °F · rain ~62 mm2.4 in
- March
- high ~3 °C38 °F · low ~-10 °C14 °F · rain ~66 mm2.6 in
- April
- high ~11 °C52 °F · low ~-3 °C27 °F · rain ~80 mm3.2 in
- May
- high ~19 °C66 °F · low ~4 °C39 °F · rain ~91 mm3.6 in
- June
- high ~24 °C75 °F · low ~9 °C48 °F · rain ~116 mm4.6 in
- July
- high ~27 °C80 °F · low ~12 °C53 °F · rain ~119 mm4.7 in
- August
- high ~26 °C78 °F · low ~10 °C51 °F · rain ~86 mm3.4 in
- September
- high ~21 °C71 °F · low ~6 °C43 °F · rain ~88 mm3.4 in
- October
- high ~13 °C56 °F · low ~0 °C32 °F · rain ~109 mm4.3 in
- November
- high ~6 °C42 °F · low ~-5 °C23 °F · rain ~72 mm2.8 in
- December
- high ~-1 °C31 °F · low ~-11 °C12 °F · rain ~83 mm3.3 in
Where these numbers come from
NOAA NCEI 1991–2020 Climate Normals, the Plainfield station (listed by NOAA as Plainfield, USC00436391), at 44.28, -72.42. These are that station’s own records, unshifted. The further your garden is from it, the less exactly they describe your ground. The planner finds the nearest station to your garden and lowers its confidence with distance, so no number is presented as if it were measured in your garden.
Cold air also pools in low ground on the clear, still nights when frost happens, so a hollow can freeze while a slope a few hundred feet away does not. No table can know that about your garden. A few seasons of your own logged frosts can.
ZIP codes nearest this station
05046, 05069, 05641, 05649, 05651, 05658, 05667, 05678, 05862.
Nearby stations
The nearest stations and how their last-frost dates compare. Together they show how frost varies across your area.
- Johnson 2 N, VT, last frost by May 9
- S Hero, VT, last frost by April 28
- E Sandwich, NH, last frost by May 6
- Newport, NH, last frost by May 14
- Peru, VT, last frost by May 16
- Hopkinton Lake, NH, last frost by May 6
When do I plant? · Where the dates come from
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