Last frost date in Milford, CT

Average last frost
April 5

Expect the last frost in Milford around April 5. Frost after April 17 happens in only one year out of ten. The first fall frost usually arrives about November 6, which leaves 216 frost-free days. An early freeze before October 25 happens one year in ten.

Safe after (10% risk)
Apr 17
Average first frost
Nov 6
Frost-free season
216 days
Hard freeze (28°F) ends
Mar 26
Next 7 nights in Milford

Frost possible in low spots Fri night, low 35°F

Earlier than usual: the average first frost here is November 6.

National Weather Service forecast, updated Oct 22, 12:57 UTC

  1. ThuOct 2239°
  2. FriOct 2335°possible frost
  3. SatOct 2436°possible frost
  4. SunOct 2542°
  5. MonOct 2647°
  6. TueOct 2744°
  7. WedOct 2845°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 5First frost Nov 6216 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND216 frost-free days
Frost risk through the year at Bridgeport Sikorsky Mem Airport, 5.6 miles from Milford.

Planting calendar for Milford

Windows count forward or back from the average frost dates above. Click a crop for dates across Connecticut.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesApr 12–Apr 26
PumpkinsApr 19–May 3
SunflowersApr 5–Apr 26
CucumbersApr 19–Apr 26
CornApr 12–Apr 26
Sweet potatoesApr 26–May 10
WatermelonApr 19–May 3
Green beansApr 12–May 3
ZucchiniApr 12–Apr 26
OkraApr 26–May 10
PeppersApr 19–May 3
BasilApr 12–Apr 26
Butternut squashApr 12–Apr 26
CantaloupeApr 19–May 3
EggplantApr 19–May 3
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 8–Mar 22
OnionsFeb 22–Mar 15
CarrotsMar 15–Apr 19
LettuceMar 22–Apr 12
BroccoliMar 8–Mar 22
BeetsMar 8–Apr 19
PeasFeb 22–Mar 8
CabbageMar 8–Mar 22
RadishesMar 1–Apr 12
Brussels sproutsMar 22–Apr 5
SpinachFeb 22–Mar 15
CilantroMar 22–Apr 12
KaleMar 8–Mar 22
Collard greensMar 8–Mar 22
TurnipsMar 8–Mar 22
DillApr 5–Apr 19
CeleryApr 12–Apr 19
CauliflowerMar 22–Apr 5
LeeksMar 22–Apr 5
Swiss chardMar 22–Apr 19
ParsleyMar 22–Apr 12
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 23–Nov 27
GarlicOct 16–Nov 20
Daffodil bulbsOct 9–Nov 20
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 8–Mar 22
AsparagusMar 8–Mar 22

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 25Apr 5Apr 17Oct 25Nov 6Nov 20
Hard freeze, 28°FMar 11Mar 26Apr 6Nov 6Nov 19Dec 5

Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.

Where these numbers come from

NOAA station Bridgeport Sikorsky Mem Airport (USW00094702) sits 5.6 miles from the center of Milford at 5 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.

Questions

When is the last frost in Milford, CT?

The average last frost date in Milford is April 5, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 17.

When is the first frost in Milford?

The first frost in fall usually comes around November 6. One year in ten it arrives before October 25.

How long is the growing season in Milford?

About 216 days between the average last and first frost.

When should I plant tomatoes in Milford?

Plant tomato seedlings outside from April 12 to April 26. Start seeds indoors six to eight weeks earlier.

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