Frost Dates for Bellport, NY

Based on data from Shirley Brookhaven AP weather station, 6 miles away

Elevation: 26 ft

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 18
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. October 28
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 23
First Fall Frost October 21

Hard Freeze (28°F)

Last Spring Hard Freeze April 3
First Fall Hard Freeze November 9
40.76°N, -72.94°W © OpenStreetMap

Growing Season

193 Days April 18 to October 28

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°
32°
High: 39°F
Avg: 32°F
Low: 24°F
Jan
33°
High: 41°F
Avg: 33°F
Low: 25°F
Feb
39°
High: 47°F
Avg: 39°F
Low: 31°F
Mar
49°
High: 58°F
Avg: 49°F
Low: 40°F
Apr
59°
High: 68°F
Avg: 59°F
Low: 49°F
May
68°
High: 77°F
Avg: 68°F
Low: 60°F
Jun
74°
High: 83°F
Avg: 74°F
Low: 66°F
Jul
73°
High: 81°F
Avg: 73°F
Low: 65°F
Aug
66°
High: 74°F
Avg: 66°F
Low: 57°F
Sep
55°
High: 64°F
Avg: 55°F
Low: 46°F
Oct
45°
High: 54°F
Avg: 45°F
Low: 37°F
Nov
37°
High: 45°F
Avg: 37°F
Low: 29°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" 6.0"
4.3"
4.27"
Jan
4.0"
3.98"
Feb
4.8"
4.82"
Mar
4.3"
4.25"
Apr
3.6"
3.57"
May
4.1"
4.08"
Jun
3.9"
3.94"
Jul
3.1"
3.11"
Aug
2.2"
2.21"
Sep
3.0"
3.02"
Oct
4.9"
4.94"
Nov
6.0"
6.05"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14.5h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:19 AM – 4:42 PM · 9h 23m
Feb: 6:53 AM – 5:19 PM · 10h 26m
Mar: 7:11 AM – 6:51 PM · 11h 40m
Apr: 6:19 AM – 7:25 PM · 13h 06m
May: 5:39 AM – 7:56 PM · 14h 17m
Jun: 5:24 AM – 8:19 PM · 14h 55m
Jul: 5:37 AM – 8:17 PM · 14h 39m
Aug: 6:07 AM – 7:45 PM · 13h 38m
Sep: 6:38 AM – 6:54 PM · 12h 15m
Oct: 7:10 AM – 6:03 PM · 10h 53m
Nov: 6:46 AM – 4:27 PM · 9h 40m
Dec: 7:15 AM – 4:20 PM · 9h 05m
Daylight Eastern Time (ET) Longest: 14h 56m · Shortest: 9h 04m

Nearby Stations

Upton Coop - Nwsfo New York, NY April 21 - October 24 Baiting Hollow, NY April 24 - October 25 Mt Sinai, NYApril 4 - November 7 Islip Li Macarthur AP, NY April 10 - November 2 Westhamptn Gabreski AP, NY May 7 - October 14 Riverhead Rsch Farm, NY April 6 - November 9

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