Frost Dates for Stratford, CT

Based on data from Bridgeport Sikorsky Mem AP weather station, 2 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 5
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 6
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost April 9
First Fall Frost November 1

Hard Freeze (28°F)

Last Spring Hard Freeze March 26
First Fall Hard Freeze November 19
41.18°N, -73.13°W © OpenStreetMap

Growing Season

215 Days April 5 to November 6

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 7a

Avg. annual minimum: 0 to 5°F (−18 to −15°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

20° 40° 60° 80°
31°
High: 38°F
Avg: 31°F
Low: 24°F
Jan
33°
High: 41°F
Avg: 33°F
Low: 26°F
Feb
40°
High: 47°F
Avg: 40°F
Low: 32°F
Mar
50°
High: 58°F
Avg: 50°F
Low: 42°F
Apr
60°
High: 68°F
Avg: 60°F
Low: 52°F
May
70°
High: 78°F
Avg: 70°F
Low: 62°F
Jun
76°
High: 83°F
Avg: 76°F
Low: 68°F
Jul
75°
High: 82°F
Avg: 75°F
Low: 67°F
Aug
68°
High: 75°F
Avg: 68°F
Low: 60°F
Sep
56°
High: 64°F
Avg: 56°F
Low: 48°F
Oct
46°
High: 54°F
Avg: 46°F
Low: 38°F
Nov
37°
High: 44°F
Avg: 37°F
Low: 30°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 6.5"
4.5"
4.50"
Jan
4.3"
4.32"
Feb
5.6"
5.58"
Mar
5.1"
5.14"
Apr
4.5"
4.52"
May
4.7"
4.68"
Jun
5.8"
5.75"
Jul
6.5"
6.46"
Aug
5.9"
5.94"
Sep
5.2"
5.20"
Oct
4.9"
4.93"
Nov
5.6"
5.63"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14.5h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:20 AM – 4:40 PM · 9h 21m
Feb: 6:48 AM – 5:12 PM · 10h 25m
Mar: 6:10 AM – 5:50 PM · 11h 40m
Apr: 5:27 AM – 6:33 PM · 13h 07m
May: 4:51 AM – 7:09 PM · 14h 18m
Jun: 4:31 AM – 7:29 PM · 14h 57m
Jul: 4:39 AM – 7:21 PM · 14h 41m
Aug: 5:10 AM – 6:50 PM · 13h 39m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:34 AM – 5:26 PM · 10h 52m
Nov: 7:11 AM – 4:49 PM · 9h 39m
Dec: 7:29 AM – 4:31 PM · 9h 03m
Daylight Longest: 14h 58m · Shortest: 9h 02m

Nearby Stations

Ansonia 1 Ne, CT April 25 - October 17 Setauket Strong, NY April 15 - November 10 New Haven Tweed AP, CT April 17 - October 27 Mt Sinai, NYApril 4 - November 7 Mt Carmel, CT April 18 - October 26 Stamford 5 N, CT April 17 - October 23

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview