Frost Dates for Dunbar, PA

Based on data from Connellsville 2 Ssw weather station, 2 miles away

Elevation: 1047 ft

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 22
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 27

30% Probability

Only 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 30
First Fall Frost October 22

Hard Freeze (28°F)

Last Spring Hard Freeze April 7
First Fall Hard Freeze November 8
39.98°N, 79.61°W © OpenStreetMap

Growing Season

188 Days April 22 to October 27

USDA Hardiness Zone

Hardiness 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 6b

Avg. annual minimum: −5 to 0°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January38°30°21°
February42°32°21°
March51°39°28°
April64°51°38°
May73°61°49°
June80°69°58°
July84°73°62°
August83°72°61°
September77°65°54°
October66°54°43°
November53°43°32°
December43°35°26°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January2.8
February2.7
March3.4
April4.3
May5.2
June5.5
July6.0
August5.1
September4.6
October4.2
November3.2
December2.8

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 14h 51m · Shortest: 9h 09m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:44 AM5:11 PM9h 27m
February7:19 AM5:47 PM10h 29m
March7:38 AM7:19 PM11h 41m
April6:47 AM7:51 PM13h 04m
May6:08 AM8:21 PM14h 13m
June5:54 AM8:43 PM14h 50m
July6:07 AM8:41 PM14h 35m
August6:35 AM8:10 PM13h 35m
September7:05 AM7:20 PM12h 15m
October7:36 AM6:31 PM10h 55m
November7:11 AM4:56 PM9h 45m
December7:39 AM4:49 PM9h 10m

Nearby Stations

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